feat(codemode): add Web extension with policy-bound fetch

Co-authored-by: rekram1-node <rekram1-node@users.noreply.github.com>

bun.lock

@@ -353,6 +353,7 @@
         "@ff-labs/fff-node": "0.10.5",
         "@lydell/node-pty": "catalog:",
         "@modelcontextprotocol/client": "2.0.0",
+        "@modelcontextprotocol/core": "2.0.0",
         "@opencode-ai/pty": "0.1.13",
         "@opencode/ai": "workspace:*",
         "@opencode/codemode": "workspace:*",

nix/hashes.json

@@ -1,8 +1,8 @@
 {
   "nodeModules": {
-    "x86_64-linux": "sha256-E5T4o3wNivOg8q4wRV7yE4CUNaUq4QNPxZsnvLaGUcg=",
-    "aarch64-linux": "sha256-xQQi7LgxInZQVCznASfa0Pm+cNGBo5j4Tfp0E/bKnNw=",
-    "aarch64-darwin": "sha256-qxb371dCf7WG09VvQE+HZ/x3EURpFIr11bdnQwGTHhw=",
-    "x86_64-darwin": "sha256-xi1qiYr41hzbgAQl+I3xdtnkiPx2SIcA/0OMpN78qXw="
+    "x86_64-linux": "sha256-U9IuP/ev6w4urvogOwQyl3rdumY6W4YaY18NkFaOVHU=",
+    "aarch64-linux": "sha256-Wc8OT2DRZpVo56KaoGE0Hsj1NDknakbWXO9w2qy6j+0=",
+    "aarch64-darwin": "sha256-wAea8+jajnMDxZ6XJL+Hsrf0621hwtBtWyD1+dS45dE=",
+    "x86_64-darwin": "sha256-g8PCNBSV6rO+VQjKU9AtYqj+r18o+fhLDXEQq+X2EZ4="
   }
 }

packages/ai/src/protocols/open-responses-channel.ts

@@ -168,6 +168,10 @@ export const transport = <Body>(options: Options): Transport<Body, Prepared, str
                 }
               })
             : undefined
+        if (input.webSocket && !channel)
+          yield* Effect.logWarning(`${options.name} does not offer WebSocket for this endpoint; using HTTP`, {
+            url: parts.url,
+          })
         return {
           http: {
             request: ProviderShared.jsonPost({ url: parts.url, body: parts.bodyText, headers: parts.headers }),

packages/ai/src/protocols/open-responses.ts

@@ -67,7 +67,6 @@ type MessagePhase = Schema.Schema.Type<typeof MessagePhase>
 
 export const MessageMetadata = Schema.Struct({
   itemId: Schema.optional(Schema.String),
-  type: Schema.optional(Schema.Literal("message")),
   status: Schema.optional(Schema.String),
   phase: Schema.optional(MessagePhase),
 })
@@ -174,12 +173,12 @@ type ConfigurationUpdate = Schema.Schema.Type<typeof ConfigurationUpdate>
 
 export const InputItem = Schema.Union([
   CompactionItem,
-  Schema.Struct({ role: Schema.tag("system"), content: Schema.String }),
-  Schema.Struct({ role: Schema.tag("developer"), content: Schema.String }),
+  Schema.Struct({ type: Schema.tag("message"), role: Schema.tag("system"), content: Schema.String }),
+  Schema.Struct({ type: Schema.tag("message"), role: Schema.tag("developer"), content: Schema.String }),
   Schema.Struct({
+    type: Schema.tag("message"),
     role: Schema.tag("user"),
     content: Schema.Array(OpenResponsesInputContent),
-    type: Schema.optional(Schema.Literal("message")),
     id: Schema.optional(Schema.String),
     status: Schema.optional(Schema.String),
   }),
@@ -666,6 +665,7 @@ const lowerMessages = Effect.fn("OpenResponses.lowerMessages")(function* (
         continue
       }
       input.push({
+        type: "message",
         role: "developer",
         content: ProviderShared.joinText(yield* ProviderShared.systemUpdateText(adapter.name, message)),
       })
@@ -675,7 +675,7 @@ const lowerMessages = Effect.fn("OpenResponses.lowerMessages")(function* (
     if (message.role === "user") {
       const content = yield* Effect.forEach(message.content, (part) => lowerUserContent(part, request, adapter))
       if (content.length > 0)
-        input.push({ role: "user", content, type: metadata?.type, id: metadata?.itemId, status: metadata?.status })
+        input.push({ type: "message", role: "user", content, id: metadata?.itemId, status: metadata?.status })
       continue
     }
 
@@ -766,6 +766,7 @@ const lowerMessages = Effect.fn("OpenResponses.lowerMessages")(function* (
               ? part.result.value
               : [{ type: "text", text: ProviderShared.toolResultText(part) }]
           input.push({
+            type: "message",
             role: "user",
             content: yield* Effect.forEach(content, (item) => lowerHostedToolResultContentItem(item, request, adapter)),
           })

packages/ai/src/protocols/openai-chat.ts

@@ -715,7 +715,10 @@ const detectZaiToolStream = (provider: string, baseURL: string | undefined, mode
 
 const lowerOptions = (request: LLMRequest, supportsStore: boolean) => {
   const options = OpenAIOptions.resolve(request)
-  const cacheKey = ProviderShared.promptCacheKey(request)
+  // Default off: strict providers 400 on unknown body fields, so only send
+  // the key where compatibility explicitly allows it. Header-based affinity
+  // (x-session-affinity, x-grok-conv-id, ...) is unaffected.
+  const cacheKey = (request.model.compatibility?.supportsPromptCacheKey ?? false) ? ProviderShared.promptCacheKey(request) : undefined
   return {
     ...(supportsStore && options.store !== undefined ? { store: options.store } : {}),
     // For providers that support `store`, ensure stateless `store:false` is sent

packages/ai/src/providers/azure.ts

@@ -1,4 +1,3 @@
-import { Headers } from "effect/unstable/http"
 import { Auth } from "../route/auth.js"
 import { type AtLeastOne, type ProviderAuthOption } from "../route/auth-options.js"
 import type { Route, RouteDefaultsInput, CompactionOperations } from "../route/client.js"
@@ -61,11 +60,6 @@ const responsesRoute = OpenAIResponses.route.with({
       url.searchParams.delete("api-version")
       return url.toString()
     },
-    headers: (headers) => {
-      const apiKey = headers["api-key"]
-      if (!apiKey) return headers
-      return Headers.remove(Headers.set(headers, "authorization", `Bearer ${apiKey}`), "api-key")
-    },
   }),
 })
 
@@ -135,7 +129,7 @@ export const configure = (input: Config) => {
   const chat = (modelID: string | ModelID) =>
     configuredRoute(chatRoute, input, modelID)
       .with(withOpenAIOptions(modelID, modelDefaults))
-      .model<OpenAIProviderOptionsInput>({ id: modelID })
+      .model<OpenAIProviderOptionsInput>({ id: modelID, compatibility: { supportsPromptCacheKey: true } })
 
   return {
     id,

packages/ai/src/providers/cerebras.ts

@@ -44,7 +44,7 @@ export const configure = (input: LanguageModelOptions = {}) => {
     model: (modelID: string | ModelID) =>
       configured.model<OpenAIProviderOptionsInput>({
         id: modelID,
-        compatibility: { maxTokensField: "max_tokens", reasoningField: "reasoning", supportsStore: false },
+        compatibility: { maxTokensField: "max_tokens", reasoningField: "reasoning", supportsStore: false, supportsPromptCacheKey: true },
       }),
     configure,
   }

packages/ai/src/providers/deepinfra.ts

@@ -47,7 +47,7 @@ export const configure = (input: LanguageModelOptions = {}) => {
     model: (modelID: string | ModelID) =>
       configured.model<OpenAIProviderOptionsInput>({
         id: modelID,
-        compatibility: { maxTokensField: "max_tokens", reasoningField: "reasoning_content", supportsStore: false },
+        compatibility: { maxTokensField: "max_tokens", reasoningField: "reasoning_content", supportsStore: false, supportsPromptCacheKey: true },
       }),
     configure,
   }

packages/ai/src/providers/fireworks.ts

@@ -41,7 +41,8 @@ export const configure = (input: LanguageModelOptions = {}) => {
   })
   return {
     id,
-    model: (modelID: string | ModelID) => configured.model<OpenAIProviderOptionsInput>({ id: modelID }),
+    model: (modelID: string | ModelID) =>
+      configured.model<OpenAIProviderOptionsInput>({ id: modelID, compatibility: { supportsPromptCacheKey: true } }),
     configure,
   }
 }

packages/ai/src/providers/meta.ts

@@ -132,7 +132,7 @@ export const configure = (input: LanguageModelOptions = {}) => {
   const chat = (modelID: string | ModelID) =>
     configuredChat.model<OpenResponsesProviderOptionsInput>({
       id: modelID,
-      compatibility: { maxTokensField: "max_completion_tokens", supportsStore: false },
+      compatibility: { maxTokensField: "max_completion_tokens", supportsStore: false, supportsPromptCacheKey: true },
     })
   const messages = (modelID: string | ModelID) =>
     configuredMessages.model<MessagesOptionsInput>({

packages/ai/src/providers/moonshot.ts

@@ -112,6 +112,7 @@ export const configure = (input: Config = {}) => {
         maxTokensField: "max_tokens",
         supportsStore: false,
         supportsStrictMode: false,
+        supportsPromptCacheKey: true,
         toolSchema: "moonshot",
         reasoningField: "reasoning_content",
       },

packages/ai/src/providers/openai.ts

@@ -91,7 +91,10 @@ export const configure = (input: Config = {}) => {
       .with(withOpenAIOptions(id, modelDefaults, { textVerbosity: true }))
       .model<OpenAIProviderOptionsInput>({ id })
   const chat = (id: string | ModelID) =>
-    chatRoute.with(withOpenAIOptions(id, modelDefaults)).model<OpenAIProviderOptionsInput>({ id })
+    chatRoute.with(withOpenAIOptions(id, modelDefaults)).model<OpenAIProviderOptionsInput>({
+      id,
+      compatibility: { supportsPromptCacheKey: true },
+    })
   const image = (modelID: string | ModelID) =>
     OpenAIImages.model({
       id: modelID,

packages/ai/src/providers/openrouter.ts

@@ -183,7 +183,8 @@ export const configure = (input: LanguageModelOptions = {}) => {
   const route = configuredRoute(input)
   return {
     id,
-    model: (modelID: string | ModelID) => route.model<OpenRouterProviderOptionsInput>({ id: modelID }),
+    model: (modelID: string | ModelID) =>
+      route.model<OpenRouterProviderOptionsInput>({ id: modelID, compatibility: { supportsPromptCacheKey: true } }),
     configure,
   }
 }

packages/ai/src/schema/options.ts

@@ -168,6 +168,9 @@ export class LanguageModelCompatibility extends Schema.Class<LanguageModelCompat
   supportsStore: Schema.optional(Schema.Boolean),
   supportsUsageInStreaming: Schema.optional(Schema.Boolean),
   supportsStrictMode: Schema.optional(Schema.Boolean),
+  // Accepts `prompt_cache_key` in the Chat Completions body. Chat omits the
+  // key unless this is set; session-affinity headers still flow regardless.
+  supportsPromptCacheKey: Schema.optional(Schema.Boolean),
   zaiToolStream: Schema.optional(Schema.Boolean),
   requireSignature: Schema.optional(Schema.Boolean),
   /** Supports Anthropic's thinking-prefix mismatch controls. Overrides model-ID detection. */

packages/ai/test/effort-updates.test.ts

@@ -263,9 +263,9 @@ describe("OpenAI Responses effort updates", () => {
 
       expect(prepared.body.reasoning).toEqual({ effort: "high" })
       expect(prepared.body.input).toEqual([
-        { role: "user", content: [{ type: "input_text", text: "Before." }] },
+        { type: "message", role: "user", content: [{ type: "input_text", text: "Before." }] },
         { type: "configuration_update", reasoning: { effort: "low" } },
-        { role: "user", content: [{ type: "input_text", text: "After." }] },
+        { type: "message", role: "user", content: [{ type: "input_text", text: "After." }] },
       ])
     }),
   )
@@ -287,9 +287,9 @@ describe("OpenAI Responses effort updates", () => {
 
       expect(prepared.body.reasoning).toEqual({ effort: "medium" })
       expect(prepared.body.input).toEqual([
-        { role: "user", content: [{ type: "input_text", text: "Before." }] },
+        { type: "message", role: "user", content: [{ type: "input_text", text: "Before." }] },
         { type: "configuration_update", reasoning: { effort: "xhigh" } },
-        { role: "user", content: [{ type: "input_text", text: "After." }] },
+        { type: "message", role: "user", content: [{ type: "input_text", text: "After." }] },
       ])
     }),
   )
@@ -404,9 +404,9 @@ describe("OpenAI Responses effort updates", () => {
         const body = JSON.parse(text)
         expect(body.reasoning).toEqual({ effort: "high" })
         expect(body.input).toEqual([
-          { role: "user", content: [{ type: "input_text", text: "Before." }] },
+          { type: "message", role: "user", content: [{ type: "input_text", text: "Before." }] },
           { type: "configuration_update", reasoning: { effort: "low" } },
-          { role: "user", content: [{ type: "input_text", text: "After." }] },
+          { type: "message", role: "user", content: [{ type: "input_text", text: "After." }] },
           { type: "compaction_trigger" },
         ])
         return respond(sseEvents({ type: "response.completed", response: { id: "resp_1", output: [checkpoint] } }), {
@@ -426,8 +426,8 @@ describe("OpenAI Responses effort updates", () => {
       Effect.sync(() => {
         expect(new URL(request.url).pathname).toEndWith("/responses/compact")
         expect(JSON.parse(text).input).toEqual([
-          { role: "user", content: [{ type: "input_text", text: "Before." }] },
-          { role: "user", content: [{ type: "input_text", text: "After." }] },
+          { type: "message", role: "user", content: [{ type: "input_text", text: "Before." }] },
+          { type: "message", role: "user", content: [{ type: "input_text", text: "After." }] },
         ])
         return respond(JSON.stringify({ object: "response.compaction", output: [checkpoint] }))
       }),

packages/ai/test/fixtures/recordings/alibaba-responses/qwen-3-7-plus-streams-thinking-disabled.json

@@ -10,7 +10,7 @@
       "usage"
     ],
     "name": "alibaba-responses/qwen-3-7-plus-streams-thinking-disabled",
-    "recordedAt": "2026-09-08T03:11:07.495Z"
+    "recordedAt": "2026-09-15T04:23:38.279Z"
   },
   "interactions": [
     {
@@ -21,14 +21,14 @@
         "headers": {
           "content-type": "application/json"
         },
-        "body": "{\"model\":\"qwen3.7-plus\",\"input\":[{\"role\":\"user\",\"content\":[{\"type\":\"input_text\",\"text\":\"What is 173 multiplied by 219? Reply with only the final integer.\"}]}],\"max_output_tokens\":4096,\"enable_thinking\":false,\"stream\":true}"
+        "body": "{\"model\":\"qwen3.7-plus\",\"input\":[{\"type\":\"message\",\"role\":\"user\",\"content\":[{\"type\":\"input_text\",\"text\":\"What is 173 multiplied by 219? Reply with only the final integer.\"}]}],\"max_output_tokens\":4096,\"enable_thinking\":false,\"stream\":true}"
       },
       "response": {
         "status": 200,
         "headers": {
           "content-type": "text/event-stream;charset=UTF-8"
         },
-        "body": "id:1\nevent:response.created\n:HTTP_STATUS/200\ndata:{\"sequence_number\":0,\"type\":\"response.created\",\"response\":{\"top_logprobs\":0,\"metadata\":{},\"presence_penalty\":0.0,\"created_at\":1788837067,\"store\":true,\"tools\":[],\"output\":[],\"top_p\":1.0,\"completed_at\":1788837067,\"frequency_penalty\":0.0,\"parallel_tool_calls\":true,\"background\":false,\"temperature\":1.0,\"tool_choice\":\"auto\",\"model\":\"qwen3.7-plus\",\"service_tier\":\"default\",\"id\":\"resp_493607bf-baef-9ced-9e36-2e2a583b6177\",\"max_output_tokens\":4096,\"object\":\"response\",\"status\":\"queued\"}}\n\nid:2\nevent:response.in_progress\n:HTTP_STATUS/200\ndata:{\"sequence_number\":1,\"type\":\"response.in_progress\",\"response\":{\"top_logprobs\":0,\"metadata\":{},\"presence_penalty\":0.0,\"created_at\":1788837067,\"store\":true,\"tools\":[],\"output\":[],\"top_p\":1.0,\"completed_at\":1788837067,\"frequency_penalty\":0.0,\"parallel_tool_calls\":true,\"background\":false,\"temperature\":1.0,\"tool_choice\":\"auto\",\"model\":\"qwen3.7-plus\",\"service_tier\":\"default\",\"id\":\"resp_493607bf-baef-9ced-9e36-2e2a583b6177\",\"max_output_tokens\":4096,\"object\":\"response\",\"status\":\"in_progress\"}}\n\nid:3\nevent:response.output_item.added\n:HTTP_STATUS/200\ndata:{\"sequence_number\":2,\"item\":{\"id\":\"msg_509c6dec-e527-41b5-a9c9-7f02fecb7a3f\",\"role\":\"assistant\",\"type\":\"message\",\"content\":[],\"status\":\"in_progress\"},\"output_index\":0,\"type\":\"response.output_item.added\"}\n\nid:4\nevent:response.content_part.added\n:HTTP_STATUS/200\ndata:{\"sequence_number\":3,\"output_index\":0,\"type\":\"response.content_part.added\",\"content_index\":0,\"item_id\":\"msg_509c6dec-e527-41b5-a9c9-7f02fecb7a3f\",\"part\":{\"type\":\"output_text\",\"annotations\":[],\"text\":\"\"}}\n\nid:5\nevent:response.output_text.delta\n:HTTP_STATUS/200\ndata:{\"sequence_number\":4,\"content_index\":0,\"item_id\":\"msg_509c6dec-e527-41b5-a9c9-7f02fecb7a3f\",\"delta\":\"3\",\"output_index\":0,\"type\":\"response.output_text.delta\",\"logprobs\":[]}\n\nid:6\nevent:response.output_text.delta\n:HTTP_STATUS/200\ndata:{\"sequence_number\":5,\"content_index\":0,\"item_id\":\"msg_509c6dec-e527-41b5-a9c9-7f02fecb7a3f\",\"delta\":\"7887\",\"output_index\":0,\"type\":\"response.output_text.delta\",\"logprobs\":[]}\n\nid:7\nevent:response.output_text.delta\n:HTTP_STATUS/200\ndata:{\"sequence_number\":6,\"content_index\":0,\"item_id\":\"msg_509c6dec-e527-41b5-a9c9-7f02fecb7a3f\",\"delta\":\"\",\"output_index\":0,\"type\":\"response.output_text.delta\",\"logprobs\":[]}\n\nid:8\nevent:response.output_text.done\n:HTTP_STATUS/200\ndata:{\"sequence_number\":7,\"content_index\":0,\"item_id\":\"msg_509c6dec-e527-41b5-a9c9-7f02fecb7a3f\",\"text\":\"37887\",\"output_index\":0,\"type\":\"response.output_text.done\",\"logprobs\":[]}\n\nid:9\nevent:response.content_part.done\n:HTTP_STATUS/200\ndata:{\"sequence_number\":8,\"output_index\":0,\"type\":\"response.content_part.done\",\"content_index\":0,\"item_id\":\"msg_509c6dec-e527-41b5-a9c9-7f02fecb7a3f\",\"part\":{\"type\":\"output_text\",\"annotations\":[],\"text\":\"37887\"}}\n\nid:10\nevent:response.output_item.done\n:HTTP_STATUS/200\ndata:{\"sequence_number\":9,\"item\":{\"id\":\"msg_509c6dec-e527-41b5-a9c9-7f02fecb7a3f\",\"role\":\"assistant\",\"type\":\"message\",\"content\":[{\"type\":\"output_text\",\"annotations\":[],\"text\":\"37887\"}],\"status\":\"completed\"},\"output_index\":0,\"type\":\"response.output_item.done\"}\n\nid:11\nevent:response.completed\n:HTTP_STATUS/200\ndata:{\"sequence_number\":10,\"type\":\"response.completed\",\"response\":{\"top_logprobs\":0,\"metadata\":{},\"presence_penalty\":0.0,\"usage\":{\"total_tokens\":73,\"input_tokens_details\":{\"cached_tokens\":0},\"output_tokens\":5,\"input_tokens\":68,\"output_tokens_details\":{\"reasoning_tokens\":0},\"x_details\":[{\"total_tokens\":73,\"x_billing_type\":\"response_api\",\"output_tokens\":5,\"input_tokens\":68,\"prompt_tokens_details\":{\"cached_tokens\":0}}]},\"created_at\":1788837067,\"store\":true,\"tools\":[],\"output\":[{\"id\":\"msg_509c6dec-e527-41b5-a9c9-7f02fecb7a3f\",\"role\":\"assistant\",\"type\":\"message\",\"content\":[{\"type\":\"output_text\",\"annotations\":[],\"text\":\"37887\"}],\"status\":\"completed\"}],\"top_p\":1.0,\"completed_at\":1788837067,\"frequency_penalty\":0.0,\"parallel_tool_calls\":true,\"background\":false,\"temperature\":1.0,\"tool_choice\":\"auto\",\"model\":\"qwen3.7-plus\",\"service_tier\":\"default\",\"id\":\"resp_493607bf-baef-9ced-9e36-2e2a583b6177\",\"max_output_tokens\":4096,\"object\":\"response\",\"status\":\"completed\"}}\n\n"
+        "body": "id:1\nevent:response.created\n:HTTP_STATUS/200\ndata:{\"sequence_number\":0,\"type\":\"response.created\",\"response\":{\"top_logprobs\":0,\"metadata\":{},\"presence_penalty\":0.0,\"created_at\":1789446218,\"store\":true,\"tools\":[],\"output\":[],\"top_p\":1.0,\"completed_at\":1789446218,\"frequency_penalty\":0.0,\"parallel_tool_calls\":true,\"background\":false,\"temperature\":1.0,\"tool_choice\":\"auto\",\"model\":\"qwen3.7-plus\",\"service_tier\":\"default\",\"id\":\"resp_d854ed07-da8a-96a3-bbef-73a033e388b1\",\"max_output_tokens\":4096,\"object\":\"response\",\"status\":\"queued\"}}\n\nid:2\nevent:response.in_progress\n:HTTP_STATUS/200\ndata:{\"sequence_number\":1,\"type\":\"response.in_progress\",\"response\":{\"top_logprobs\":0,\"metadata\":{},\"presence_penalty\":0.0,\"created_at\":1789446218,\"store\":true,\"tools\":[],\"output\":[],\"top_p\":1.0,\"completed_at\":1789446218,\"frequency_penalty\":0.0,\"parallel_tool_calls\":true,\"background\":false,\"temperature\":1.0,\"tool_choice\":\"auto\",\"model\":\"qwen3.7-plus\",\"service_tier\":\"default\",\"id\":\"resp_d854ed07-da8a-96a3-bbef-73a033e388b1\",\"max_output_tokens\":4096,\"object\":\"response\",\"status\":\"in_progress\"}}\n\nid:3\nevent:response.output_item.added\n:HTTP_STATUS/200\ndata:{\"sequence_number\":2,\"item\":{\"id\":\"msg_a65411dd-b721-4232-be0c-eba901cd2241\",\"role\":\"assistant\",\"type\":\"message\",\"content\":[],\"status\":\"in_progress\"},\"output_index\":0,\"type\":\"response.output_item.added\"}\n\nid:4\nevent:response.content_part.added\n:HTTP_STATUS/200\ndata:{\"sequence_number\":3,\"output_index\":0,\"type\":\"response.content_part.added\",\"content_index\":0,\"item_id\":\"msg_a65411dd-b721-4232-be0c-eba901cd2241\",\"part\":{\"type\":\"output_text\",\"annotations\":[],\"text\":\"\"}}\n\nid:5\nevent:response.output_text.delta\n:HTTP_STATUS/200\ndata:{\"sequence_number\":4,\"content_index\":0,\"item_id\":\"msg_a65411dd-b721-4232-be0c-eba901cd2241\",\"delta\":\"3\",\"output_index\":0,\"type\":\"response.output_text.delta\",\"logprobs\":[]}\n\nid:6\nevent:response.output_text.delta\n:HTTP_STATUS/200\ndata:{\"sequence_number\":5,\"content_index\":0,\"item_id\":\"msg_a65411dd-b721-4232-be0c-eba901cd2241\",\"delta\":\"788\",\"output_index\":0,\"type\":\"response.output_text.delta\",\"logprobs\":[]}\n\nid:7\nevent:response.output_text.delta\n:HTTP_STATUS/200\ndata:{\"sequence_number\":6,\"content_index\":0,\"item_id\":\"msg_a65411dd-b721-4232-be0c-eba901cd2241\",\"delta\":\"7\",\"output_index\":0,\"type\":\"response.output_text.delta\",\"logprobs\":[]}\n\nid:8\nevent:response.output_text.delta\n:HTTP_STATUS/200\ndata:{\"sequence_number\":7,\"content_index\":0,\"item_id\":\"msg_a65411dd-b721-4232-be0c-eba901cd2241\",\"delta\":\"\",\"output_index\":0,\"type\":\"response.output_text.delta\",\"logprobs\":[]}\n\nid:9\nevent:response.output_text.done\n:HTTP_STATUS/200\ndata:{\"sequence_number\":8,\"content_index\":0,\"item_id\":\"msg_a65411dd-b721-4232-be0c-eba901cd2241\",\"text\":\"37887\",\"output_index\":0,\"type\":\"response.output_text.done\",\"logprobs\":[]}\n\nid:10\nevent:response.content_part.done\n:HTTP_STATUS/200\ndata:{\"sequence_number\":9,\"output_index\":0,\"type\":\"response.content_part.done\",\"content_index\":0,\"item_id\":\"msg_a65411dd-b721-4232-be0c-eba901cd2241\",\"part\":{\"type\":\"output_text\",\"annotations\":[],\"text\":\"37887\"}}\n\nid:11\nevent:response.output_item.done\n:HTTP_STATUS/200\ndata:{\"sequence_number\":10,\"item\":{\"id\":\"msg_a65411dd-b721-4232-be0c-eba901cd2241\",\"role\":\"assistant\",\"type\":\"message\",\"content\":[{\"type\":\"output_text\",\"annotations\":[],\"text\":\"37887\"}],\"status\":\"completed\"},\"output_index\":0,\"type\":\"response.output_item.done\"}\n\nid:12\nevent:response.completed\n:HTTP_STATUS/200\ndata:{\"sequence_number\":11,\"type\":\"response.completed\",\"response\":{\"top_logprobs\":0,\"metadata\":{},\"presence_penalty\":0.0,\"usage\":{\"total_tokens\":73,\"input_tokens_details\":{\"cached_tokens\":0},\"output_tokens\":5,\"input_tokens\":68,\"output_tokens_details\":{\"reasoning_tokens\":0},\"x_details\":[{\"total_tokens\":73,\"x_billing_type\":\"response_api\",\"output_tokens\":5,\"input_tokens\":68,\"prompt_tokens_details\":{\"cached_tokens\":0}}]},\"created_at\":1789446218,\"store\":true,\"tools\":[],\"output\":[{\"id\":\"msg_a65411dd-b721-4232-be0c-eba901cd2241\",\"role\":\"assistant\",\"type\":\"message\",\"content\":[{\"type\":\"output_text\",\"annotations\":[],\"text\":\"37887\"}],\"status\":\"completed\"}],\"top_p\":1.0,\"completed_at\":1789446218,\"frequency_penalty\":0.0,\"parallel_tool_calls\":true,\"background\":false,\"temperature\":1.0,\"tool_choice\":\"auto\",\"model\":\"qwen3.7-plus\",\"service_tier\":\"default\",\"id\":\"resp_d854ed07-da8a-96a3-bbef-73a033e388b1\",\"max_output_tokens\":4096,\"object\":\"response\",\"status\":\"completed\"}}\n\n"
       }
     }
   ]

packages/ai/test/fixtures/recordings/alibaba-responses/qwen-3-8-max-continues-a-stored-response.json

@@ -10,7 +10,7 @@
       "storage"
     ],
     "name": "alibaba-responses/qwen-3-8-max-continues-a-stored-response",
-    "recordedAt": "2026-09-08T03:12:42.429Z"
+    "recordedAt": "2026-09-15T04:23:50.347Z"
   },
   "interactions": [
     {
@@ -21,14 +21,14 @@
         "headers": {
           "content-type": "application/json"
         },
-        "body": "{\"model\":\"qwen3.8-max\",\"input\":[{\"role\":\"user\",\"content\":[{\"type\":\"input_text\",\"text\":\"Remember the password word apricot. Reply OK.\"}]}],\"store\":true,\"reasoning\":{\"effort\":\"none\"},\"max_output_tokens\":1024,\"stream\":true}"
+        "body": "{\"model\":\"qwen3.8-max\",\"input\":[{\"type\":\"message\",\"role\":\"user\",\"content\":[{\"type\":\"input_text\",\"text\":\"Remember the password word apricot. Reply OK.\"}]}],\"store\":true,\"reasoning\":{\"effort\":\"none\"},\"max_output_tokens\":1024,\"stream\":true}"
       },
       "response": {
         "status": 200,
         "headers": {
           "content-type": "text/event-stream;charset=UTF-8"
         },
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+        "body": "id:1\nevent:response.created\n:HTTP_STATUS/200\ndata:{\"sequence_number\":0,\"type\":\"response.created\",\"response\":{\"top_logprobs\":0,\"metadata\":{},\"presence_penalty\":0.0,\"reasoning\":{\"effort\":\"none\"},\"created_at\":1789446229,\"store\":true,\"tools\":[],\"output\":[],\"top_p\":1.0,\"completed_at\":1789446229,\"frequency_penalty\":0.0,\"parallel_tool_calls\":true,\"background\":false,\"temperature\":1.0,\"tool_choice\":\"auto\",\"model\":\"qwen3.8-max\",\"service_tier\":\"default\",\"id\":\"resp_69640198-a315-9e88-9b70-679d545ee9ca\",\"max_output_tokens\":1024,\"object\":\"response\",\"status\":\"queued\"}}\n\nid:2\nevent:response.in_progress\n:HTTP_STATUS/200\ndata:{\"sequence_number\":1,\"type\":\"response.in_progress\",\"response\":{\"top_logprobs\":0,\"metadata\":{},\"presence_penalty\":0.0,\"reasoning\":{\"effort\":\"none\"},\"created_at\":1789446229,\"store\":true,\"tools\":[],\"output\":[],\"top_p\":1.0,\"completed_at\":1789446229,\"frequency_penalty\":0.0,\"parallel_tool_calls\":true,\"background\":false,\"temperature\":1.0,\"tool_choice\":\"auto\",\"model\":\"qwen3.8-max\",\"service_tier\":\"default\",\"id\":\"resp_69640198-a315-9e88-9b70-679d545ee9ca\",\"max_output_tokens\":1024,\"object\":\"response\",\"status\":\"in_progress\"}}\n\nid:3\nevent:response.output_item.added\n:HTTP_STATUS/200\ndata:{\"sequence_number\":2,\"item\":{\"id\":\"msg_68f76c07-ac47-483d-a90d-da5972f7af3d\",\"role\":\"assistant\",\"type\":\"message\",\"content\":[],\"status\":\"in_progress\"},\"output_index\":0,\"type\":\"response.output_item.added\"}\n\nid:4\nevent:response.content_part.added\n:HTTP_STATUS/200\ndata:{\"sequence_number\":3,\"output_index\":0,\"type\":\"response.content_part.added\",\"content_index\":0,\"item_id\":\"msg_68f76c07-ac47-483d-a90d-da5972f7af3d\",\"part\":{\"type\":\"output_text\",\"annotations\":[],\"text\":\"\"}}\n\nid:5\nevent:response.output_text.delta\n:HTTP_STATUS/200\ndata:{\"sequence_number\":4,\"content_index\":0,\"item_id\":\"msg_68f76c07-ac47-483d-a90d-da5972f7af3d\",\"delta\":\"OK\",\"output_index\":0,\"type\":\"response.output_text.delta\",\"logprobs\":[]}\n\nid:6\nevent:response.output_text.delta\n:HTTP_STATUS/200\ndata:{\"sequence_number\":5,\"content_index\":0,\"item_id\":\"msg_68f76c07-ac47-483d-a90d-da5972f7af3d\",\"delta\":\".\",\"output_index\":0,\"type\":\"response.output_text.delta\",\"logprobs\":[]}\n\nid:7\nevent:response.output_text.delta\n:HTTP_STATUS/200\ndata:{\"sequence_number\":6,\"content_index\":0,\"item_id\":\"msg_68f76c07-ac47-483d-a90d-da5972f7af3d\",\"delta\":\"\",\"output_index\":0,\"type\":\"response.output_text.delta\",\"logprobs\":[]}\n\nid:8\nevent:response.output_text.done\n:HTTP_STATUS/200\ndata:{\"sequence_number\":7,\"content_index\":0,\"item_id\":\"msg_68f76c07-ac47-483d-a90d-da5972f7af3d\",\"text\":\"OK.\",\"output_index\":0,\"type\":\"response.output_text.done\",\"logprobs\":[]}\n\nid:9\nevent:response.content_part.done\n:HTTP_STATUS/200\ndata:{\"sequence_number\":8,\"output_index\":0,\"type\":\"response.content_part.done\",\"content_index\":0,\"item_id\":\"msg_68f76c07-ac47-483d-a90d-da5972f7af3d\",\"part\":{\"type\":\"output_text\",\"annotations\":[],\"text\":\"OK.\"}}\n\nid:10\nevent:response.output_item.done\n:HTTP_STATUS/200\ndata:{\"sequence_number\":9,\"item\":{\"id\":\"msg_68f76c07-ac47-483d-a90d-da5972f7af3d\",\"role\":\"assistant\",\"type\":\"message\",\"content\":[{\"type\":\"output_text\",\"annotations\":[],\"text\":\"OK.\"}],\"status\":\"completed\"},\"output_index\":0,\"type\":\"response.output_item.done\"}\n\nid:11\nevent:response.completed\n:HTTP_STATUS/200\ndata:{\"sequence_number\":10,\"type\":\"response.completed\",\"response\":{\"top_logprobs\":0,\"metadata\":{},\"presence_penalty\":0.0,\"reasoning\":{\"effort\":\"none\"},\"usage\":{\"total_tokens\":60,\"input_tokens_details\":{\"cached_tokens\":0},\"output_tokens\":2,\"input_tokens\":58,\"output_tokens_details\":{\"reasoning_tokens\":0},\"x_details\":[{\"total_tokens\":60,\"x_billing_type\":\"response_api\",\"output_tokens\":2,\"input_tokens\":58,\"prompt_tokens_details\":{\"cached_tokens\":0}}]},\"created_at\":1789446229,\"store\":true,\"tools\":[],\"output\":[{\"id\":\"msg_68f76c07-ac47-483d-a90d-da5972f7af3d\",\"role\":\"assistant\",\"type\":\"message\",\"content\":[{\"type\":\"output_text\",\"annotations\":[],\"text\":\"OK.\"}],\"status\":\"completed\"}],\"top_p\":1.0,\"completed_at\":1789446229,\"frequency_penalty\":0.0,\"parallel_tool_calls\":true,\"background\":false,\"temperature\":1.0,\"tool_choice\":\"auto\",\"model\":\"qwen3.8-max\",\"service_tier\":\"default\",\"id\":\"resp_69640198-a315-9e88-9b70-679d545ee9ca\",\"max_output_tokens\":1024,\"object\":\"response\",\"status\":\"completed\"}}\n\n"
       }
     },
     {
@@ -39,14 +39,14 @@
         "headers": {
           "content-type": "application/json"
         },
-        "body": "{\"model\":\"qwen3.8-max\",\"input\":[{\"role\":\"user\",\"content\":[{\"type\":\"input_text\",\"text\":\"What word did I ask you to remember? Reply with only the word.\"}]}],\"store\":true,\"reasoning\":{\"effort\":\"none\"},\"max_output_tokens\":1024,\"previous_response_id\":\"resp_97f8cd28-c7ab-9d51-9c14-4fc531decdc8\",\"stream\":true}"
+        "body": "{\"model\":\"qwen3.8-max\",\"input\":[{\"type\":\"message\",\"role\":\"user\",\"content\":[{\"type\":\"input_text\",\"text\":\"What word did I ask you to remember? Reply with only the word.\"}]}],\"store\":true,\"reasoning\":{\"effort\":\"none\"},\"max_output_tokens\":1024,\"previous_response_id\":\"resp_69640198-a315-9e88-9b70-679d545ee9ca\",\"stream\":true}"
       },
       "response": {
         "status": 200,
         "headers": {
           "content-type": "text/event-stream;charset=UTF-8"
         },
-        "body": "id:1\nevent:response.created\n:HTTP_STATUS/200\ndata:{\"sequence_number\":0,\"type\":\"response.created\",\"response\":{\"top_logprobs\":0,\"metadata\":{},\"presence_penalty\":0.0,\"reasoning\":{\"effort\":\"none\"},\"created_at\":1788837162,\"store\":true,\"tools\":[],\"output\":[],\"top_p\":1.0,\"completed_at\":1788837162,\"previous_response_id\":\"resp_97f8cd28-c7ab-9d51-9c14-4fc531decdc8\",\"frequency_penalty\":0.0,\"parallel_tool_calls\":true,\"background\":false,\"temperature\":1.0,\"tool_choice\":\"auto\",\"model\":\"qwen3.8-max\",\"service_tier\":\"default\",\"id\":\"resp_1d81d34c-d3ec-9f98-ab59-5d4641d4217a\",\"max_output_tokens\":1024,\"object\":\"response\",\"status\":\"queued\"}}\n\nid:2\nevent:response.in_progress\n:HTTP_STATUS/200\ndata:{\"sequence_number\":1,\"type\":\"response.in_progress\",\"response\":{\"top_logprobs\":0,\"metadata\":{},\"presence_penalty\":0.0,\"reasoning\":{\"effort\":\"none\"},\"created_at\":1788837162,\"store\":true,\"tools\":[],\"output\":[],\"top_p\":1.0,\"completed_at\":1788837162,\"previous_response_id\":\"resp_97f8cd28-c7ab-9d51-9c14-4fc531decdc8\",\"frequency_penalty\":0.0,\"parallel_tool_calls\":true,\"background\":false,\"temperature\":1.0,\"tool_choice\":\"auto\",\"model\":\"qwen3.8-max\",\"service_tier\":\"default\",\"id\":\"resp_1d81d34c-d3ec-9f98-ab59-5d4641d4217a\",\"max_output_tokens\":1024,\"object\":\"response\",\"status\":\"in_progress\"}}\n\nid:3\nevent:response.output_item.added\n:HTTP_STATUS/200\ndata:{\"sequence_number\":2,\"item\":{\"id\":\"msg_7bc50c33-8fbd-4b10-91fc-4f2533bb2091\",\"role\":\"assistant\",\"type\":\"message\",\"content\":[],\"status\":\"in_progress\"},\"output_index\":0,\"type\":\"response.output_item.added\"}\n\nid:4\nevent:response.content_part.added\n:HTTP_STATUS/200\ndata:{\"sequence_number\":3,\"output_index\":0,\"type\":\"response.content_part.added\",\"content_index\":0,\"item_id\":\"msg_7bc50c33-8fbd-4b10-91fc-4f2533bb2091\",\"part\":{\"type\":\"output_text\",\"annotations\":[],\"text\":\"\"}}\n\nid:5\nevent:response.output_text.delta\n:HTTP_STATUS/200\ndata:{\"sequence_number\":4,\"content_index\":0,\"item_id\":\"msg_7bc50c33-8fbd-4b10-91fc-4f2533bb2091\",\"delta\":\"ap\",\"output_index\":0,\"type\":\"response.output_text.delta\",\"logprobs\":[]}\n\nid:6\nevent:response.output_text.delta\n:HTTP_STATUS/200\ndata:{\"sequence_number\":5,\"content_index\":0,\"item_id\":\"msg_7bc50c33-8fbd-4b10-91fc-4f2533bb2091\",\"delta\":\"ricot\",\"output_index\":0,\"type\":\"response.output_text.delta\",\"logprobs\":[]}\n\nid:7\nevent:response.output_text.delta\n:HTTP_STATUS/200\ndata:{\"sequence_number\":6,\"content_index\":0,\"item_id\":\"msg_7bc50c33-8fbd-4b10-91fc-4f2533bb2091\",\"delta\":\"\",\"output_index\":0,\"type\":\"response.output_text.delta\",\"logprobs\":[]}\n\nid:8\nevent:response.output_text.done\n:HTTP_STATUS/200\ndata:{\"sequence_number\":7,\"content_index\":0,\"item_id\":\"msg_7bc50c33-8fbd-4b10-91fc-4f2533bb2091\",\"text\":\"apricot\",\"output_index\":0,\"type\":\"response.output_text.done\",\"logprobs\":[]}\n\nid:9\nevent:response.content_part.done\n:HTTP_STATUS/200\ndata:{\"sequence_number\":8,\"output_index\":0,\"type\":\"response.content_part.done\",\"content_index\":0,\"item_id\":\"msg_7bc50c33-8fbd-4b10-91fc-4f2533bb2091\",\"part\":{\"type\":\"output_text\",\"annotations\":[],\"text\":\"apricot\"}}\n\nid:10\nevent:response.output_item.done\n:HTTP_STATUS/200\ndata:{\"sequence_number\":9,\"item\":{\"id\":\"msg_7bc50c33-8fbd-4b10-91fc-4f2533bb2091\",\"role\":\"assistant\",\"type\":\"message\",\"content\":[{\"type\":\"output_text\",\"annotations\":[],\"text\":\"apricot\"}],\"status\":\"completed\"},\"output_index\":0,\"type\":\"response.output_item.done\"}\n\nid:11\nevent:response.completed\n:HTTP_STATUS/200\ndata:{\"sequence_number\":10,\"type\":\"response.completed\",\"response\":{\"top_logprobs\":0,\"metadata\":{},\"presence_penalty\":0.0,\"reasoning\":{\"effort\":\"none\"},\"usage\":{\"total_tokens\":92,\"input_tokens_details\":{\"cached_tokens\":0},\"output_tokens\":3,\"input_tokens\":89,\"output_tokens_details\":{\"reasoning_tokens\":0},\"x_details\":[{\"total_tokens\":92,\"x_billing_type\":\"response_api\",\"output_tokens\":3,\"input_tokens\":89,\"prompt_tokens_details\":{\"cached_tokens\":0}}]},\"created_at\":1788837162,\"store\":true,\"tools\":[],\"output\":[{\"id\":\"msg_7bc50c33-8fbd-4b10-91fc-4f2533bb2091\",\"role\":\"assistant\",\"type\":\"message\",\"content\":[{\"type\":\"output_text\",\"annotations\":[],\"text\":\"apricot\"}],\"status\":\"completed\"}],\"top_p\":1.0,\"completed_at\":1788837162,\"previous_response_id\":\"resp_97f8cd28-c7ab-9d51-9c14-4fc531decdc8\",\"frequency_penalty\":0.0,\"parallel_tool_calls\":true,\"background\":false,\"temperature\":1.0,\"tool_choice\":\"auto\",\"model\":\"qwen3.8-max\",\"service_tier\":\"default\",\"id\":\"resp_1d81d34c-d3ec-9f98-ab59-5d4641d4217a\",\"max_output_tokens\":1024,\"object\":\"response\",\"status\":\"completed\"}}\n\n"
+        "body": "id:1\nevent:response.created\n:HTTP_STATUS/200\ndata:{\"sequence_number\":0,\"type\":\"response.created\",\"response\":{\"top_logprobs\":0,\"metadata\":{},\"presence_penalty\":0.0,\"reasoning\":{\"effort\":\"none\"},\"created_at\":1789446230,\"store\":true,\"tools\":[],\"output\":[],\"top_p\":1.0,\"completed_at\":1789446230,\"previous_response_id\":\"resp_69640198-a315-9e88-9b70-679d545ee9ca\",\"frequency_penalty\":0.0,\"parallel_tool_calls\":true,\"background\":false,\"temperature\":1.0,\"tool_choice\":\"auto\",\"model\":\"qwen3.8-max\",\"service_tier\":\"default\",\"id\":\"resp_2c1473fa-ac55-9733-817f-30994dd0a4e9\",\"max_output_tokens\":1024,\"object\":\"response\",\"status\":\"queued\"}}\n\nid:2\nevent:response.in_progress\n:HTTP_STATUS/200\ndata:{\"sequence_number\":1,\"type\":\"response.in_progress\",\"response\":{\"top_logprobs\":0,\"metadata\":{},\"presence_penalty\":0.0,\"reasoning\":{\"effort\":\"none\"},\"created_at\":1789446230,\"store\":true,\"tools\":[],\"output\":[],\"top_p\":1.0,\"completed_at\":1789446230,\"previous_response_id\":\"resp_69640198-a315-9e88-9b70-679d545ee9ca\",\"frequency_penalty\":0.0,\"parallel_tool_calls\":true,\"background\":false,\"temperature\":1.0,\"tool_choice\":\"auto\",\"model\":\"qwen3.8-max\",\"service_tier\":\"default\",\"id\":\"resp_2c1473fa-ac55-9733-817f-30994dd0a4e9\",\"max_output_tokens\":1024,\"object\":\"response\",\"status\":\"in_progress\"}}\n\nid:3\nevent:response.output_item.added\n:HTTP_STATUS/200\ndata:{\"sequence_number\":2,\"item\":{\"id\":\"msg_7162b038-5ed9-4abc-86d2-0620bfa653ad\",\"role\":\"assistant\",\"type\":\"message\",\"content\":[],\"status\":\"in_progress\"},\"output_index\":0,\"type\":\"response.output_item.added\"}\n\nid:4\nevent:response.content_part.added\n:HTTP_STATUS/200\ndata:{\"sequence_number\":3,\"output_index\":0,\"type\":\"response.content_part.added\",\"content_index\":0,\"item_id\":\"msg_7162b038-5ed9-4abc-86d2-0620bfa653ad\",\"part\":{\"type\":\"output_text\",\"annotations\":[],\"text\":\"\"}}\n\nid:5\nevent:response.output_text.delta\n:HTTP_STATUS/200\ndata:{\"sequence_number\":4,\"content_index\":0,\"item_id\":\"msg_7162b038-5ed9-4abc-86d2-0620bfa653ad\",\"delta\":\"ap\",\"output_index\":0,\"type\":\"response.output_text.delta\",\"logprobs\":[]}\n\nid:6\nevent:response.output_text.delta\n:HTTP_STATUS/200\ndata:{\"sequence_number\":5,\"content_index\":0,\"item_id\":\"msg_7162b038-5ed9-4abc-86d2-0620bfa653ad\",\"delta\":\"ricot\",\"output_index\":0,\"type\":\"response.output_text.delta\",\"logprobs\":[]}\n\nid:7\nevent:response.output_text.delta\n:HTTP_STATUS/200\ndata:{\"sequence_number\":6,\"content_index\":0,\"item_id\":\"msg_7162b038-5ed9-4abc-86d2-0620bfa653ad\",\"delta\":\"\",\"output_index\":0,\"type\":\"response.output_text.delta\",\"logprobs\":[]}\n\nid:8\nevent:response.output_text.done\n:HTTP_STATUS/200\ndata:{\"sequence_number\":7,\"content_index\":0,\"item_id\":\"msg_7162b038-5ed9-4abc-86d2-0620bfa653ad\",\"text\":\"apricot\",\"output_index\":0,\"type\":\"response.output_text.done\",\"logprobs\":[]}\n\nid:9\nevent:response.content_part.done\n:HTTP_STATUS/200\ndata:{\"sequence_number\":8,\"output_index\":0,\"type\":\"response.content_part.done\",\"content_index\":0,\"item_id\":\"msg_7162b038-5ed9-4abc-86d2-0620bfa653ad\",\"part\":{\"type\":\"output_text\",\"annotations\":[],\"text\":\"apricot\"}}\n\nid:10\nevent:response.output_item.done\n:HTTP_STATUS/200\ndata:{\"sequence_number\":9,\"item\":{\"id\":\"msg_7162b038-5ed9-4abc-86d2-0620bfa653ad\",\"role\":\"assistant\",\"type\":\"message\",\"content\":[{\"type\":\"output_text\",\"annotations\":[],\"text\":\"apricot\"}],\"status\":\"completed\"},\"output_index\":0,\"type\":\"response.output_item.done\"}\n\nid:11\nevent:response.completed\n:HTTP_STATUS/200\ndata:{\"sequence_number\":10,\"type\":\"response.completed\",\"response\":{\"top_logprobs\":0,\"metadata\":{},\"presence_penalty\":0.0,\"reasoning\":{\"effort\":\"none\"},\"usage\":{\"total_tokens\":92,\"input_tokens_details\":{\"cached_tokens\":0},\"output_tokens\":3,\"input_tokens\":89,\"output_tokens_details\":{\"reasoning_tokens\":0},\"x_details\":[{\"total_tokens\":92,\"x_billing_type\":\"response_api\",\"output_tokens\":3,\"input_tokens\":89,\"prompt_tokens_details\":{\"cached_tokens\":0}}]},\"created_at\":1789446230,\"store\":true,\"tools\":[],\"output\":[{\"id\":\"msg_7162b038-5ed9-4abc-86d2-0620bfa653ad\",\"role\":\"assistant\",\"type\":\"message\",\"content\":[{\"type\":\"output_text\",\"annotations\":[],\"text\":\"apricot\"}],\"status\":\"completed\"}],\"top_p\":1.0,\"completed_at\":1789446230,\"previous_response_id\":\"resp_69640198-a315-9e88-9b70-679d545ee9ca\",\"frequency_penalty\":0.0,\"parallel_tool_calls\":true,\"background\":false,\"temperature\":1.0,\"tool_choice\":\"auto\",\"model\":\"qwen3.8-max\",\"service_tier\":\"default\",\"id\":\"resp_2c1473fa-ac55-9733-817f-30994dd0a4e9\",\"max_output_tokens\":1024,\"object\":\"response\",\"status\":\"completed\"}}\n\n"
       }
     }
   ]

packages/ai/test/fixtures/recordings/minimax-responses/m3-streams-text-with-effort-none.json

@@ -11,7 +11,7 @@
       "thinking-off"
     ],
     "name": "minimax-responses/m3-streams-text-with-effort-none",
-    "recordedAt": "2026-09-07T16:53:21.223Z"
+    "recordedAt": "2026-09-15T04:25:23.202Z"
   },
   "interactions": [
     {
@@ -22,14 +22,14 @@
         "headers": {
           "content-type": "application/json"
         },
-        "body": "{\"model\":\"MiniMax-M3\",\"input\":[{\"role\":\"user\",\"content\":[{\"type\":\"input_text\",\"text\":\"What is 173 multiplied by 219? Reply with only the final integer.\"}]}],\"reasoning\":{\"effort\":\"none\"},\"max_output_tokens\":1536,\"stream\":true}"
+        "body": "{\"model\":\"MiniMax-M3\",\"input\":[{\"type\":\"message\",\"role\":\"user\",\"content\":[{\"type\":\"input_text\",\"text\":\"What is 173 multiplied by 219? Reply with only the final integer.\"}]}],\"reasoning\":{\"effort\":\"none\"},\"max_output_tokens\":1536,\"stream\":true}"
       },
       "response": {
         "status": 200,
         "headers": {
           "content-type": "text/event-stream; charset=utf-8"
         },
-        "body": "event: response.created\ndata: {\"type\":\"response.created\",\"sequence_number\":0,\"response\":{\"id\":\"40d878e9c7ecc67905d069cdf9bec7c0\",\"object\":\"response\",\"created_at\":1788800001,\"model\":\"MiniMax-M3\",\"status\":\"in_progress\",\"output\":[],\"output_text\":null,\"usage\":null,\"error\":null,\"incomplete_details\":null,\"instructions\":null,\"metadata\":{},\"tools\":null,\"tool_choice\":\"auto\",\"temperature\":1,\"top_p\":0.95,\"text\":{\"format\":{\"type\":\"text\"}},\"reasoning\":{\"effort\":\"none\",\"summary\":null},\"max_output_tokens\":1536,\"parallel_tool_calls\":true,\"previous_response_id\":null,\"conversation\":null,\"store\":false,\"service_tier\":\"standard\",\"safety_identifier\":null,\"truncation\":\"disabled\"}}\n\nevent: response.in_progress\ndata: {\"type\":\"response.in_progress\",\"sequence_number\":1,\"response\":{\"id\":\"40d878e9c7ecc67905d069cdf9bec7c0\",\"object\":\"response\",\"created_at\":1788800001,\"model\":\"MiniMax-M3\",\"status\":\"in_progress\",\"output\":[],\"output_text\":null,\"usage\":null,\"error\":null,\"incomplete_details\":null,\"instructions\":null,\"metadata\":{},\"tools\":null,\"tool_choice\":\"auto\",\"temperature\":1,\"top_p\":0.95,\"text\":{\"format\":{\"type\":\"text\"}},\"reasoning\":{\"effort\":\"none\",\"summary\":null},\"max_output_tokens\":1536,\"parallel_tool_calls\":true,\"previous_response_id\":null,\"conversation\":null,\"store\":false,\"service_tier\":\"standard\",\"safety_identifier\":null,\"truncation\":\"disabled\"}}\n\nevent: response.output_item.added\ndata: {\"type\":\"response.output_item.added\",\"sequence_number\":2,\"item\":{\"id\":\"40d878e9c7ecc67905d069cdf9bec7c0_msg\",\"type\":\"message\",\"status\":\"in_progress\",\"role\":\"assistant\",\"content\":[]},\"output_index\":0}\n\nevent: response.content_part.added\ndata: {\"type\":\"response.content_part.added\",\"sequence_number\":3,\"part\":{\"type\":\"output_text\",\"text\":\"\",\"annotations\":[]},\"output_index\":0,\"content_index\":0,\"item_id\":\"40d878e9c7ecc67905d069cdf9bec7c0_msg\"}\n\nevent: response.output_text.delta\ndata: {\"type\":\"response.output_text.delta\",\"sequence_number\":4,\"output_index\":0,\"content_index\":0,\"item_id\":\"40d878e9c7ecc67905d069cdf9bec7c0_msg\",\"delta\":\"378\"}\n\nevent: response.output_text.delta\ndata: {\"type\":\"response.output_text.delta\",\"sequence_number\":5,\"output_index\":0,\"content_index\":0,\"item_id\":\"40d878e9c7ecc67905d069cdf9bec7c0_msg\",\"delta\":\"87\"}\n\nevent: response.output_text.done\ndata: {\"type\":\"response.output_text.done\",\"sequence_number\":6,\"output_index\":0,\"content_index\":0,\"item_id\":\"40d878e9c7ecc67905d069cdf9bec7c0_msg\",\"text\":\"37887\"}\n\nevent: response.content_part.done\ndata: {\"type\":\"response.content_part.done\",\"sequence_number\":7,\"part\":{\"type\":\"output_text\",\"text\":\"37887\",\"annotations\":[]},\"output_index\":0,\"content_index\":0,\"item_id\":\"40d878e9c7ecc67905d069cdf9bec7c0_msg\"}\n\nevent: response.output_item.done\ndata: {\"type\":\"response.output_item.done\",\"sequence_number\":8,\"item\":{\"status\":\"completed\",\"role\":\"assistant\",\"content\":[{\"type\":\"output_text\",\"text\":\"37887\",\"annotations\":[]}],\"id\":\"40d878e9c7ecc67905d069cdf9bec7c0_msg\",\"type\":\"message\"},\"output_index\":0}\n\nevent: response.completed\ndata: {\"type\":\"response.completed\",\"sequence_number\":9,\"response\":{\"id\":\"40d878e9c7ecc67905d069cdf9bec7c0\",\"object\":\"response\",\"created_at\":1788800001,\"model\":\"MiniMax-M3\",\"status\":\"completed\",\"output\":[{\"id\":\"40d878e9c7ecc67905d069cdf9bec7c0_msg\",\"type\":\"message\",\"status\":\"completed\",\"role\":\"assistant\",\"content\":[{\"type\":\"output_text\",\"text\":\"37887\",\"annotations\":null}]}],\"output_text\":\"37887\",\"usage\":{\"input_tokens\":179,\"output_tokens\":3,\"total_tokens\":182,\"input_tokens_details\":{\"cached_tokens\":128}},\"error\":null,\"incomplete_details\":null,\"instructions\":null,\"metadata\":{},\"tools\":null,\"tool_choice\":\"auto\",\"temperature\":1,\"top_p\":0.95,\"text\":{\"format\":{\"type\":\"text\"}},\"reasoning\":{\"effort\":\"none\",\"summary\":null},\"max_output_tokens\":1536,\"parallel_tool_calls\":true,\"previous_response_id\":null,\"conversation\":null,\"store\":false,\"service_tier\":\"standard\",\"safety_identifier\":null,\"truncation\":\"disabled\"}}\n\n"
+        "body": "event: response.created\ndata: {\"type\":\"response.created\",\"sequence_number\":0,\"response\":{\"id\":\"dd8176b3bdefd70688853863475c9cd3\",\"object\":\"response\",\"created_at\":1789446323,\"model\":\"MiniMax-M3\",\"status\":\"in_progress\",\"output\":[],\"output_text\":null,\"usage\":null,\"error\":null,\"incomplete_details\":null,\"instructions\":null,\"metadata\":{},\"tools\":null,\"tool_choice\":\"auto\",\"temperature\":1,\"top_p\":0.95,\"text\":{\"format\":{\"type\":\"text\"}},\"reasoning\":{\"effort\":\"none\",\"summary\":null},\"max_output_tokens\":1536,\"parallel_tool_calls\":true,\"previous_response_id\":null,\"conversation\":null,\"store\":false,\"service_tier\":\"standard\",\"safety_identifier\":null,\"truncation\":\"disabled\"}}\n\nevent: response.in_progress\ndata: {\"type\":\"response.in_progress\",\"sequence_number\":1,\"response\":{\"id\":\"dd8176b3bdefd70688853863475c9cd3\",\"object\":\"response\",\"created_at\":1789446323,\"model\":\"MiniMax-M3\",\"status\":\"in_progress\",\"output\":[],\"output_text\":null,\"usage\":null,\"error\":null,\"incomplete_details\":null,\"instructions\":null,\"metadata\":{},\"tools\":null,\"tool_choice\":\"auto\",\"temperature\":1,\"top_p\":0.95,\"text\":{\"format\":{\"type\":\"text\"}},\"reasoning\":{\"effort\":\"none\",\"summary\":null},\"max_output_tokens\":1536,\"parallel_tool_calls\":true,\"previous_response_id\":null,\"conversation\":null,\"store\":false,\"service_tier\":\"standard\",\"safety_identifier\":null,\"truncation\":\"disabled\"}}\n\nevent: response.output_item.added\ndata: {\"type\":\"response.output_item.added\",\"sequence_number\":2,\"item\":{\"id\":\"dd8176b3bdefd70688853863475c9cd3_msg\",\"type\":\"message\",\"status\":\"in_progress\",\"role\":\"assistant\",\"content\":[]},\"output_index\":0}\n\nevent: response.content_part.added\ndata: {\"type\":\"response.content_part.added\",\"sequence_number\":3,\"part\":{\"annotations\":[],\"type\":\"output_text\",\"text\":\"\"},\"output_index\":0,\"content_index\":0,\"item_id\":\"dd8176b3bdefd70688853863475c9cd3_msg\"}\n\nevent: response.output_text.delta\ndata: {\"type\":\"response.output_text.delta\",\"sequence_number\":4,\"output_index\":0,\"content_index\":0,\"item_id\":\"dd8176b3bdefd70688853863475c9cd3_msg\",\"delta\":\"378\"}\n\nevent: response.output_text.delta\ndata: {\"type\":\"response.output_text.delta\",\"sequence_number\":5,\"output_index\":0,\"content_index\":0,\"item_id\":\"dd8176b3bdefd70688853863475c9cd3_msg\",\"delta\":\"87\"}\n\nevent: response.output_text.done\ndata: {\"type\":\"response.output_text.done\",\"sequence_number\":6,\"output_index\":0,\"content_index\":0,\"item_id\":\"dd8176b3bdefd70688853863475c9cd3_msg\",\"text\":\"37887\"}\n\nevent: response.content_part.done\ndata: {\"type\":\"response.content_part.done\",\"sequence_number\":7,\"part\":{\"text\":\"37887\",\"annotations\":[],\"type\":\"output_text\"},\"output_index\":0,\"content_index\":0,\"item_id\":\"dd8176b3bdefd70688853863475c9cd3_msg\"}\n\nevent: response.output_item.done\ndata: {\"type\":\"response.output_item.done\",\"sequence_number\":8,\"item\":{\"id\":\"dd8176b3bdefd70688853863475c9cd3_msg\",\"type\":\"message\",\"status\":\"completed\",\"role\":\"assistant\",\"content\":[{\"type\":\"output_text\",\"text\":\"37887\",\"annotations\":[]}]},\"output_index\":0}\n\nevent: response.completed\ndata: {\"type\":\"response.completed\",\"sequence_number\":9,\"response\":{\"id\":\"dd8176b3bdefd70688853863475c9cd3\",\"object\":\"response\",\"created_at\":1789446323,\"model\":\"MiniMax-M3\",\"status\":\"completed\",\"output\":[{\"id\":\"dd8176b3bdefd70688853863475c9cd3_msg\",\"type\":\"message\",\"status\":\"completed\",\"role\":\"assistant\",\"content\":[{\"type\":\"output_text\",\"text\":\"37887\",\"annotations\":null}]}],\"output_text\":\"37887\",\"usage\":{\"input_tokens\":179,\"output_tokens\":3,\"total_tokens\":182,\"input_tokens_details\":{\"cached_tokens\":128}},\"error\":null,\"incomplete_details\":null,\"instructions\":null,\"metadata\":{},\"tools\":null,\"tool_choice\":\"auto\",\"temperature\":1,\"top_p\":0.95,\"text\":{\"format\":{\"type\":\"text\"}},\"reasoning\":{\"effort\":\"none\",\"summary\":null},\"max_output_tokens\":1536,\"parallel_tool_calls\":true,\"previous_response_id\":null,\"conversation\":null,\"store\":false,\"service_tier\":\"standard\",\"safety_identifier\":null,\"truncation\":\"disabled\"}}\n\n"
       }
     }
   ]

packages/ai/test/fixtures/recordings/moonshot-responses/k3-rejects-unsupported-tool-choice-none.json

@@ -2,9 +2,16 @@
   "version": 1,
   "metadata": {
     "model": "kimi-k3",
-    "tags": ["prefix:moonshot-responses", "provider:moonshot", "protocol:responses", "tool", "tool-choice", "error"],
+    "tags": [
+      "prefix:moonshot-responses",
+      "provider:moonshot",
+      "protocol:responses",
+      "tool",
+      "tool-choice",
+      "error"
+    ],
     "name": "moonshot-responses/k3-rejects-unsupported-tool-choice-none",
-    "recordedAt": "2026-09-07T20:38:12.966Z"
+    "recordedAt": "2026-09-15T04:26:05.011Z"
   },
   "interactions": [
     {
@@ -15,7 +22,7 @@
         "headers": {
           "content-type": "application/json"
         },
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+        "body": "{\"model\":\"kimi-k3\",\"input\":[{\"type\":\"message\",\"role\":\"user\",\"content\":[{\"type\":\"input_text\",\"text\":\"Use get_weather to look up the current weather in Paris.\"}]}],\"tools\":[{\"type\":\"function\",\"name\":\"get_weather\",\"description\":\"Get the current weather in a city\",\"parameters\":{\"type\":\"object\",\"properties\":{\"city\":{\"type\":\"string\",\"enum\":[\"Paris\"]}},\"required\":[\"city\"],\"additionalProperties\":false},\"strict\":false}],\"tool_choice\":\"none\",\"reasoning\":{\"effort\":\"low\"},\"max_output_tokens\":4096,\"stream\":true}"
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packages/ai/test/fixtures/recordings/moonshot-responses/k3-rejects-unsupported-tool-choice-required.json

@@ -2,9 +2,16 @@
   "version": 1,
   "metadata": {
     "model": "kimi-k3",
-    "tags": ["prefix:moonshot-responses", "provider:moonshot", "protocol:responses", "tool", "tool-choice", "error"],
+    "tags": [
+      "prefix:moonshot-responses",
+      "provider:moonshot",
+      "protocol:responses",
+      "tool",
+      "tool-choice",
+      "error"
+    ],
     "name": "moonshot-responses/k3-rejects-unsupported-tool-choice-required",
-    "recordedAt": "2026-09-07T20:38:12.717Z"
+    "recordedAt": "2026-09-15T04:26:04.715Z"
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@@ -15,7 +22,7 @@
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packages/ai/test/fixtures/recordings/openai-responses-websocket/continues-a-tool-call-over-one-socket.json

@@ -1,8 +1,6 @@
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@@ -14,7 +12,7 @@
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     "name": "openai-responses-websocket/continues-a-tool-call-over-one-socket",
-    "recordedAt": "2026-08-20T00:00:00.000Z"
+    "recordedAt": "2026-09-15T04:26:14.118Z"
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+          "body": "{\"type\":\"response.completed\",\"response\":{\"id\":\"resp_0d9a44b6df400533016aa8c8e57f0c87d1be4c46b4c1d01c71\",\"object\":\"response\",\"created_at\":1789446373,\"status\":\"completed\",\"background\":false,\"completed_at\":1789446374,\"error\":null,\"frequency_penalty\":0.0,\"incomplete_details\":null,\"instructions\":\"Call get_weather once, then reply exactly: Paris is sunny.\",\"max_output_tokens\":50,\"max_tool_calls\":null,\"model\":\"gpt-5.5-2026-04-23\",\"moderation\":null,\"output\":[{\"id\":\"msg_0d9a44b6df400533016aa8c8e61a4487d1b1f1c08b9d79b591\",\"type\":\"message\",\"status\":\"completed\",\"content\":[{\"type\":\"output_text\",\"annotations\":[],\"logprobs\":[],\"text\":\"Paris is sunny.\"}],\"phase\":\"final_answer\",\"role\":\"assistant\"}],\"parallel_tool_calls\":true,\"presence_penalty\":0.0,\"previous_response_id\":\"resp_0d9a44b6df400533016aa8c8e36de887d1be260913d131b2ca\",\"prompt_cache_key\":null,\"prompt_cache_retention\":\"24h\",\"reasoning\":{\"context\":\"current_turn\",\"effort\":\"medium\",\"mode\":\"standard\",\"summary\":\"detailed\"},\"safety_identifier\":null,\"service_tier\":\"default\",\"store\":false,\"temperature\":1.0,\"text\":{\"format\":{\"type\":\"text\"},\"verbosity\":\"low\"},\"tool_choice\":\"auto\",\"tool_usage\":{\"image_gen\":{\"input_tokens\":0,\"input_tokens_details\":{\"image_tokens\":0,\"text_tokens\":0},\"output_tokens\":0,\"output_tokens_details\":{\"image_tokens\":0,\"text_tokens\":0},\"total_tokens\":0},\"web_search\":{\"num_requests\":0}},\"tools\":[{\"type\":\"function\",\"description\":\"Get current weather for a city.\",\"name\":\"get_weather\",\"output_schema\":null,\"parameters\":{\"type\":\"object\",\"properties\":{\"city\":{\"type\":\"string\"}},\"required\":[\"city\"],\"additionalProperties\":false},\"strict\":false}],\"top_logprobs\":0,\"top_p\":0.98,\"truncation\":\"disabled\",\"usage\":{\"input_tokens\":135,\"input_tokens_details\":{\"cache_write_tokens\":0,\"cached_tokens\":0},\"output_tokens\":8,\"output_tokens_details\":{\"reasoning_tokens\":0},\"total_tokens\":143},\"user\":null,\"metadata\":{}},\"sequence_number\":11}"
         }
       ]
     }

packages/ai/test/fixtures/recordings/openai-responses-websocket/reconstructs-full-context-after-reconnect.json

@@ -1,8 +1,6 @@
 {
   "version": 1,
   "metadata": {
-    "provider": "openai",
-    "protocol": "openai-responses",
     "transport": "websocket",
     "model": "gpt-5.5",
     "tags": [
@@ -14,7 +12,7 @@
       "full-context"
     ],
     "name": "openai-responses-websocket/reconstructs-full-context-after-reconnect",
-    "recordedAt": "2026-08-20T00:00:00.000Z"
+    "recordedAt": "2026-09-15T04:27:52.291Z"
   },
   "interactions": [
     {
@@ -32,37 +30,67 @@
         {
           "direction": "client",
           "kind": "text",
-          "body": "{\"type\":\"response.create\",\"model\":\"gpt-5.5\",\"input\":[{\"role\":\"user\",\"content\":[{\"type\":\"input_text\",\"text\":\"Reply exactly: Alpha.\"}]}],\"store\":false,\"max_output_tokens\":30,\"include\":[\"reasoning.encrypted_content\"],\"reasoning\":{\"effort\":\"medium\",\"summary\":\"auto\"},\"text\":{\"verbosity\":\"low\"},\"instructions\":\"Follow the user's exact reply instruction.\"}"
+          "body": "{\"type\":\"response.create\",\"model\":\"gpt-5.5\",\"input\":[{\"type\":\"message\",\"role\":\"user\",\"content\":[{\"type\":\"input_text\",\"text\":\"Reply exactly: Alpha.\"}]}],\"instructions\":\"Follow the user's exact reply instruction.\",\"store\":false,\"include\":[\"reasoning.encrypted_content\"],\"reasoning\":{\"effort\":\"medium\",\"summary\":\"auto\"},\"text\":{\"verbosity\":\"low\"},\"max_output_tokens\":30}"
         },
         {
           "direction": "server",
           "kind": "text",
-          "body": "{\"type\":\"response.created\",\"response\":{\"id\":\"resp_ws_reconnect_1\"}}"
+          "body": "{\"type\":\"response.created\",\"response\":{\"id\":\"resp_0a6277dd90b94da1016aa8c94635e487d1b05f52fdfb9b7de3\",\"object\":\"response\",\"created_at\":1789446470,\"status\":\"in_progress\",\"background\":false,\"completed_at\":null,\"error\":null,\"frequency_penalty\":0.0,\"incomplete_details\":null,\"instructions\":\"Follow the user's exact reply instruction.\",\"max_output_tokens\":30,\"max_tool_calls\":null,\"model\":\"gpt-5.5-2026-04-23\",\"moderation\":null,\"output\":[],\"parallel_tool_calls\":true,\"presence_penalty\":0.0,\"previous_response_id\":null,\"prompt_cache_key\":null,\"prompt_cache_retention\":\"24h\",\"reasoning\":{\"context\":\"current_turn\",\"effort\":\"medium\",\"mode\":\"standard\",\"summary\":\"detailed\"},\"safety_identifier\":null,\"service_tier\":\"auto\",\"store\":false,\"temperature\":1.0,\"text\":{\"format\":{\"type\":\"text\"},\"verbosity\":\"low\"},\"tool_choice\":\"auto\",\"tool_usage\":{\"image_gen\":{\"input_tokens\":0,\"input_tokens_details\":{\"image_tokens\":0,\"text_tokens\":0},\"output_tokens\":0,\"output_tokens_details\":{\"image_tokens\":0,\"text_tokens\":0},\"total_tokens\":0},\"web_search\":{\"num_requests\":0}},\"tools\":[],\"top_logprobs\":0,\"top_p\":0.98,\"truncation\":\"disabled\",\"usage\":null,\"user\":null,\"metadata\":{}},\"sequence_number\":0}"
         },
         {
           "direction": "server",
           "kind": "text",
-          "body": "{\"type\":\"response.output_item.added\",\"item\":{\"type\":\"message\",\"id\":\"msg_ws_reconnect_1\",\"role\":\"assistant\",\"content\":[]}}"
+          "body": "{\"type\":\"response.in_progress\",\"response\":{\"id\":\"resp_0a6277dd90b94da1016aa8c94635e487d1b05f52fdfb9b7de3\",\"object\":\"response\",\"created_at\":1789446470,\"status\":\"in_progress\",\"background\":false,\"completed_at\":null,\"error\":null,\"frequency_penalty\":0.0,\"incomplete_details\":null,\"instructions\":\"Follow the user's exact reply instruction.\",\"max_output_tokens\":30,\"max_tool_calls\":null,\"model\":\"gpt-5.5-2026-04-23\",\"moderation\":null,\"output\":[],\"parallel_tool_calls\":true,\"presence_penalty\":0.0,\"previous_response_id\":null,\"prompt_cache_key\":null,\"prompt_cache_retention\":\"24h\",\"reasoning\":{\"context\":\"current_turn\",\"effort\":\"medium\",\"mode\":\"standard\",\"summary\":\"detailed\"},\"safety_identifier\":null,\"service_tier\":\"auto\",\"store\":false,\"temperature\":1.0,\"text\":{\"format\":{\"type\":\"text\"},\"verbosity\":\"low\"},\"tool_choice\":\"auto\",\"tool_usage\":{\"image_gen\":{\"input_tokens\":0,\"input_tokens_details\":{\"image_tokens\":0,\"text_tokens\":0},\"output_tokens\":0,\"output_tokens_details\":{\"image_tokens\":0,\"text_tokens\":0},\"total_tokens\":0},\"web_search\":{\"num_requests\":0}},\"tools\":[],\"top_logprobs\":0,\"top_p\":0.98,\"truncation\":\"disabled\",\"usage\":null,\"user\":null,\"metadata\":{}},\"sequence_number\":1}"
         },
         {
           "direction": "server",
           "kind": "text",
-          "body": "{\"type\":\"response.output_text.delta\",\"item_id\":\"msg_ws_reconnect_1\",\"delta\":\"Alpha.\"}"
+          "body": "{\"type\":\"response.output_item.added\",\"item\":{\"id\":\"rs_0a6277dd90b94da1016aa8c946e33487d1b725d8e9dc874d82\",\"type\":\"reasoning\",\"content\":[],\"encrypted_content\":\"gAAAAABqqMlGU6VDsubzNyei9ZguJbtE8djsfaMGt1HYio6WGnP-8LNkfhUm9xhUBGxB8oqGcXBiqzUQa-aVgxTrxguZC_iD3ZyML4xXDWadyHkkZNerJyLBz8vTrFoZTnSBIVl460rTHLNoaUGTKlCHPMh_JsUtqN2tm4QG-6uYfNA7B5Mo-2JX-0Y3OoTOJsBwCgyTAcN_r_R9DCsXiuo_DemYFtjHlkurYc4wEaKAZ5EL9LHR3DhiSqXqJbO06zn_fSUKeMLxwK1TIHir88CV-b44rQcR5FCPX_PYfmWLXUbKtq6r_gsP1QFLRMOv90IQuVMpwSOa13tRbEDXN1ALNsbrFJDhzV1X2wKW7ovUiQoSLva0uKWqhjLo3VycjTksIBejFA3UeBEzSgrP_Kgiqk3FhTBFQAuEoeRMd4slQkL_kWZiOhcAnTRgW5VS-o9HaRR_-SgVFnXat8nxBgrv-eWocnKwEAU8NK-ZgS0IjJxNkuB3BPjFhNXljd0Ywaty4AITNfTE34yS_1zf3s9yIIQY8fd8lG6UeSU_WhjHBwmWpmMwZJHpzNGQquINGdGRZePCEptlilZquQkwgtI1UQbpG70uA-rvBtANpzBCV07oQl-MAgC6_PKXNrKt6njmyICJqvtiGhi9nl9B8rfktxoJqLtk8GUQpmRg-D8Xu5nQp_l6qg5jcyQm8rE3WHiHVUgQkPpjpmyIdypqH4PMOxJ2Qw-tXl9wMhQ9VdsFWHM81IBm5QDyGTl4yqiAasa-zz0kgj_ilAGuAyI4Y0xSAUELK6F_sAAlAGRdq0w3q_XPrMrdTuZfoBfsACoNxT4qawaU0VXhVb_6PuJAPjNIH8GFNMKATuQLOFvB3cuS6yraaAQa4G2YkGSVTiwZDVcoGWQRdLaLlUMpSQFuzO3Q_VlB3ZnOqcGXhdctGKiiln3ant8LT9LEqjb2s_uYP3vgbJi-QYkjsWud_35rNhyTgXg1rlVRrJ4Sd0UCtWD5fnrrhCgtr_oqPmefzCuhOrULpudQSkzYl8EAIkSjcV-NdfwQdar5GCmluHnGQ8qUcWRsEGmZF1ZX2b_Ni5HQhPvVWn-7283HKUy0Mqxl25ZPNRXq8XErU06N6bZvm5lQbdOjz06DzsPYRm1MkOsnW8wb9QzGlk_ZO_j_ROuh51nyMRmB1-r-tA==\",\"summary\":[]},\"output_index\":0,\"sequence_number\":2}"
         },
         {
           "direction": "server",
           "kind": "text",
-          "body": "{\"type\":\"response.output_text.done\",\"item_id\":\"msg_ws_reconnect_1\",\"text\":\"Alpha.\"}"
+          "body": "{\"type\":\"response.output_item.done\",\"item\":{\"id\":\"rs_0a6277dd90b94da1016aa8c946e33487d1b725d8e9dc874d82\",\"type\":\"reasoning\",\"content\":[],\"encrypted_content\":\"gAAAAABqqMlHtG6yltzgW_UjUcYxvl2hoMkk7cSEH5SJMe9CR5gKIaCwCh4peUo8XZrd-EU-tPCXthv7JzHxYXGVG1fIgTJ7BjBoOh-jgd_oGlyCHj2jVPj7nVoB763tZHdyw_ovL3V7GpJ6VeLGIsRGqNTnBz47ZuKikTKrbTDupn6fT2wOM_69zwdg4-UVnoF2J9E_jIS0E5XRtRwOidqANl61HCwo7LV-Ut1aqCbXb-59vkrVGWPxD_8n4smf7Qjywc0FCH9zwuEDX4cPdqj3MmjvYPrn0jand9LKkAy9rblaKFJSQfVuritbHrdQrnF7hLxu7QCpehOzNXOkpNEqTmXnAZjfMc53hq-ahH6_KoyYlZpompwyGPngFeI2fKRqP8rlpDilD1BHBsh-bl7kXzI8HQ_jameXwPZ1La6gjtFkThXp53BD6BOx11SB9Nypqolu2at5rR32UYcGrYeGtTu-HmYGp0oHVFkHumTNuHKmGXV14dI9swgryfygLhX8EAJrWrjm3e8rvAkHKpAZ0IkmlCcp15UCFDKNeS560fQVRaKXWnQ7m0Ih3C1xG0ifJ89j27c8GHo1kAhEJk-lSB1-FZr9Ls_w7N772kmZ2a7LLswu3kNW78kPas_CtcOnBOHwE1DhcVh5YpxwNftOHZnK1v8NPNF8EWqio4ArZy1thMCzH5zXBNcFzgd8tePMFukBblSP8QGQoVYRqTne2sFoOZXjslXnDvEe-Ycj8X38zWgRiwAk7guOloFC7Se36KCDP357773Vah86gWCt55mSEyhVW_GF1oTuHvJ18GZsXcyN21scF1PSr8YaCM_jR7ZkU1GYXbQK2Y4oTAV9XDptQA5YzEREnn7muC_6v5ZTAglZF1lhn9Q0NwmylZEAXJdSGHaqXt1Hv-vQlprA_9m22vrreBOTLPnVK946J8absKrwfe-jK_1n_9YQR43uwH8XwFBFND0c4lICCQGbxwM8pX4ACWR0c19aORCYm-M5FrJsxmG29_aDVNhcvkoQ3mlP7ITQeqzkrjfytSwLb2BYpXYZKjEHNfV9j3JoxJobUkK5hrxXBhTvZzbVBnE0LSXQNwR-JAcOliP_jXBEeQ-28B-aGW8TI1vEP2i260QKgzOzPC-pOoFp0-vCvxojNO0kE16ECVTLfDNLNGSMZs9vekdLJP2akBp6PsUXsQUTbWO_wr1E2oNU7ctfMRxoh-yP0ZW2_xz_NjE72O5LF_6zuDVV7Q==\",\"summary\":[]},\"output_index\":0,\"sequence_number\":3}"
         },
         {
           "direction": "server",
           "kind": "text",
-          "body": "{\"type\":\"response.output_item.done\",\"item\":{\"type\":\"message\",\"id\":\"msg_ws_reconnect_1\",\"role\":\"assistant\",\"content\":[{\"type\":\"output_text\",\"text\":\"Alpha.\"}]}}"
+          "body": "{\"type\":\"response.output_item.added\",\"item\":{\"id\":\"msg_0a6277dd90b94da1016aa8c947253887d184c150fcbcbcd8da\",\"type\":\"message\",\"status\":\"in_progress\",\"content\":[],\"phase\":\"final_answer\",\"role\":\"assistant\"},\"output_index\":1,\"sequence_number\":4}"
         },
         {
           "direction": "server",
           "kind": "text",
-          "body": "{\"type\":\"response.completed\",\"response\":{\"id\":\"resp_ws_reconnect_1\"}}"
+          "body": "{\"type\":\"response.content_part.added\",\"content_index\":0,\"item_id\":\"msg_0a6277dd90b94da1016aa8c947253887d184c150fcbcbcd8da\",\"output_index\":1,\"part\":{\"type\":\"output_text\",\"annotations\":[],\"logprobs\":[],\"text\":\"\"},\"sequence_number\":5}"
+        },
+        {
+          "direction": "server",
+          "kind": "text",
+          "body": "{\"type\":\"response.output_text.delta\",\"content_index\":0,\"delta\":\"Alpha\",\"item_id\":\"msg_0a6277dd90b94da1016aa8c947253887d184c150fcbcbcd8da\",\"logprobs\":[],\"obfuscation\":\"wGOuc4A33dI\",\"output_index\":1,\"sequence_number\":6}"
+        },
+        {
+          "direction": "server",
+          "kind": "text",
+          "body": "{\"type\":\"response.output_text.delta\",\"content_index\":0,\"delta\":\".\",\"item_id\":\"msg_0a6277dd90b94da1016aa8c947253887d184c150fcbcbcd8da\",\"logprobs\":[],\"obfuscation\":\"KCxWfYMrSVrn8yA\",\"output_index\":1,\"sequence_number\":7}"
+        },
+        {
+          "direction": "server",
+          "kind": "text",
+          "body": "{\"type\":\"response.output_text.done\",\"content_index\":0,\"item_id\":\"msg_0a6277dd90b94da1016aa8c947253887d184c150fcbcbcd8da\",\"logprobs\":[],\"output_index\":1,\"sequence_number\":8,\"text\":\"Alpha.\"}"
+        },
+        {
+          "direction": "server",
+          "kind": "text",
+          "body": "{\"type\":\"response.content_part.done\",\"content_index\":0,\"item_id\":\"msg_0a6277dd90b94da1016aa8c947253887d184c150fcbcbcd8da\",\"output_index\":1,\"part\":{\"type\":\"output_text\",\"annotations\":[],\"logprobs\":[],\"text\":\"Alpha.\"},\"sequence_number\":9}"
+        },
+        {
+          "direction": "server",
+          "kind": "text",
+          "body": "{\"type\":\"response.output_item.done\",\"item\":{\"id\":\"msg_0a6277dd90b94da1016aa8c947253887d184c150fcbcbcd8da\",\"type\":\"message\",\"status\":\"completed\",\"content\":[{\"type\":\"output_text\",\"annotations\":[],\"logprobs\":[],\"text\":\"Alpha.\"}],\"phase\":\"final_answer\",\"role\":\"assistant\"},\"output_index\":1,\"sequence_number\":10}"
+        },
+        {
+          "direction": "server",
+          "kind": "text",
+          "body": "{\"type\":\"response.completed\",\"response\":{\"id\":\"resp_0a6277dd90b94da1016aa8c94635e487d1b05f52fdfb9b7de3\",\"object\":\"response\",\"created_at\":1789446470,\"status\":\"completed\",\"background\":false,\"completed_at\":1789446471,\"error\":null,\"frequency_penalty\":0.0,\"incomplete_details\":null,\"instructions\":\"Follow the user's exact reply instruction.\",\"max_output_tokens\":30,\"max_tool_calls\":null,\"model\":\"gpt-5.5-2026-04-23\",\"moderation\":null,\"output\":[{\"id\":\"rs_0a6277dd90b94da1016aa8c946e33487d1b725d8e9dc874d82\",\"type\":\"reasoning\",\"content\":[],\"encrypted_content\":\"gAAAAABqqMlHAUEp7fOISGE4K9cq9a5CnGGpEQfe8UAd2LG_ZPCXUTjxIXWjHlK4WTB2a3HuGTI0Xe04whY-De7v9o_I63UqHHNMypHcucLABooY1oXaj5w1Vaj76sDaaIOm6kKlJaSwQEuDEDsh3TsNxC1wLZJ06FC5OrSGHcP_XKQ4EMOAy2INOaA8ONlqJ3ozUdLCcbh4ihmov-UMrVjEuzXHqg_xZ5TCDDZVmAQecxHOKnVnx9JqMHtAI5dz10KMpE910pGioPY1l_dKoYtlr-uc04Xje-kEXWiA52Gehf6bwWx9jokYIH-ymEVeitMMsVxx4MpK59F9byeUQgFMvx6-QaPYl6rgteZjcAHi3Tqgt4W3gzJC376V6_av_EgzfzvmicEQcmGU3-Ia1jf7F41J6NjxDMwpCpBBLK5UVUVXFZK7n4cRe9x7FdLbXRT1OK275Vu_q8g445POWvDB7q6lA6nY68wur1wcQREbBJ_jwViswKlg4b95jl9nigR4i6JHn3kpqPydmRZ2NUYDwvOdUnxARpWy1E7y2eql32NXaq5SaVezhwqnaAvgZusmXuVaA9MyoCbWNGawjUnEHP6nGk4106e_0kv0ByD9eLrCG1UtZ9OnfodTXSANNpQSw-AkcutWklrngg4Tp7gMBHiP0TPg2mo1NRtEAC62vvSBxA_IkJvLGt0ImGG-aLsSqgQFj5r3h8_sZCh6Uc4dOXXTwWIZ5rblzBlheejGYpc0KDBgvsMxUa29DI6APe5RJ7oy1lMtHttTedEYolJ0yWv9c2gfNynGwez4eZHMWON5mOvJus5uZQKUTBBG0qMMjnwHiVph-8Du7kE0vTTqGe8a6z9eErSDumwjokgiMux4nzRZTTTptj_7G00kEhcg3-BuGk64ASnZjnW1VRjbgaor3kaXbprXD6bU5tGrke2TD2_NTafYsaQ2e6mU7I8d0okK5lGsWfucH6dihiBuaNcwvwjuav8VmmO6s_GSubNkXnlSueFL8j8FfInko_oXOJ5EQxwFzg_StfINKBUgicJjIMTP3Oxe_CVMIKnDrde4EeX6RRRyk2hMOgTRXti_72DIrLG29iUPnA59DDLmPv07OOOkEoek9_A8JibqYye5CwnFJ7P0nMmWE4gjq2BLNlWLHVsjOtZ7U4fmUH_DgUnWWsnyp-hebStJgK_SSH5VOfpULDIDrCOBVXAx7w8avQUTYLdTnaBMdtWFbwHD8LfictodLw==\",\"summary\":[]},{\"id\":\"msg_0a6277dd90b94da1016aa8c947253887d184c150fcbcbcd8da\",\"type\":\"message\",\"status\":\"completed\",\"content\":[{\"type\":\"output_text\",\"annotations\":[],\"logprobs\":[],\"text\":\"Alpha.\"}],\"phase\":\"final_answer\",\"role\":\"assistant\"}],\"parallel_tool_calls\":true,\"presence_penalty\":0.0,\"previous_response_id\":null,\"prompt_cache_key\":null,\"prompt_cache_retention\":\"24h\",\"reasoning\":{\"context\":\"current_turn\",\"effort\":\"medium\",\"mode\":\"standard\",\"summary\":\"detailed\"},\"safety_identifier\":null,\"service_tier\":\"default\",\"store\":false,\"temperature\":1.0,\"text\":{\"format\":{\"type\":\"text\"},\"verbosity\":\"low\"},\"tool_choice\":\"auto\",\"tool_usage\":{\"image_gen\":{\"input_tokens\":0,\"input_tokens_details\":{\"image_tokens\":0,\"text_tokens\":0},\"output_tokens\":0,\"output_tokens_details\":{\"image_tokens\":0,\"text_tokens\":0},\"total_tokens\":0},\"web_search\":{\"num_requests\":0}},\"tools\":[],\"top_logprobs\":0,\"top_p\":0.98,\"truncation\":\"disabled\",\"usage\":{\"input_tokens\":22,\"input_tokens_details\":{\"cache_write_tokens\":0,\"cached_tokens\":0},\"output_tokens\":18,\"output_tokens_details\":{\"reasoning_tokens\":10},\"total_tokens\":40},\"user\":null,\"metadata\":{}},\"sequence_number\":11}"
         }
       ]
     },
@@ -81,37 +109,67 @@
         {
           "direction": "client",
           "kind": "text",
-          "body": "{\"type\":\"response.create\",\"model\":\"gpt-5.5\",\"input\":[{\"role\":\"user\",\"content\":[{\"type\":\"input_text\",\"text\":\"Reply exactly: Alpha.\"}]},{\"type\":\"message\",\"id\":\"msg_ws_reconnect_1\",\"role\":\"assistant\",\"status\":\"completed\",\"content\":[{\"type\":\"output_text\",\"text\":\"Alpha.\"}]},{\"role\":\"user\",\"content\":[{\"type\":\"input_text\",\"text\":\"Reply exactly: Beta.\"}]}],\"store\":false,\"max_output_tokens\":30,\"include\":[\"reasoning.encrypted_content\"],\"reasoning\":{\"effort\":\"medium\",\"summary\":\"auto\"},\"text\":{\"verbosity\":\"low\"},\"instructions\":\"Follow the user's exact reply instruction.\"}"
+          "body": "{\"type\":\"response.create\",\"model\":\"gpt-5.5\",\"input\":[{\"type\":\"message\",\"role\":\"user\",\"content\":[{\"type\":\"input_text\",\"text\":\"Reply exactly: Alpha.\"}]},{\"type\":\"reasoning\",\"id\":\"rs_0a6277dd90b94da1016aa8c946e33487d1b725d8e9dc874d82\",\"summary\":[],\"encrypted_content\":\"gAAAAABqqMlHtG6yltzgW_UjUcYxvl2hoMkk7cSEH5SJMe9CR5gKIaCwCh4peUo8XZrd-EU-tPCXthv7JzHxYXGVG1fIgTJ7BjBoOh-jgd_oGlyCHj2jVPj7nVoB763tZHdyw_ovL3V7GpJ6VeLGIsRGqNTnBz47ZuKikTKrbTDupn6fT2wOM_69zwdg4-UVnoF2J9E_jIS0E5XRtRwOidqANl61HCwo7LV-Ut1aqCbXb-59vkrVGWPxD_8n4smf7Qjywc0FCH9zwuEDX4cPdqj3MmjvYPrn0jand9LKkAy9rblaKFJSQfVuritbHrdQrnF7hLxu7QCpehOzNXOkpNEqTmXnAZjfMc53hq-ahH6_KoyYlZpompwyGPngFeI2fKRqP8rlpDilD1BHBsh-bl7kXzI8HQ_jameXwPZ1La6gjtFkThXp53BD6BOx11SB9Nypqolu2at5rR32UYcGrYeGtTu-HmYGp0oHVFkHumTNuHKmGXV14dI9swgryfygLhX8EAJrWrjm3e8rvAkHKpAZ0IkmlCcp15UCFDKNeS560fQVRaKXWnQ7m0Ih3C1xG0ifJ89j27c8GHo1kAhEJk-lSB1-FZr9Ls_w7N772kmZ2a7LLswu3kNW78kPas_CtcOnBOHwE1DhcVh5YpxwNftOHZnK1v8NPNF8EWqio4ArZy1thMCzH5zXBNcFzgd8tePMFukBblSP8QGQoVYRqTne2sFoOZXjslXnDvEe-Ycj8X38zWgRiwAk7guOloFC7Se36KCDP357773Vah86gWCt55mSEyhVW_GF1oTuHvJ18GZsXcyN21scF1PSr8YaCM_jR7ZkU1GYXbQK2Y4oTAV9XDptQA5YzEREnn7muC_6v5ZTAglZF1lhn9Q0NwmylZEAXJdSGHaqXt1Hv-vQlprA_9m22vrreBOTLPnVK946J8absKrwfe-jK_1n_9YQR43uwH8XwFBFND0c4lICCQGbxwM8pX4ACWR0c19aORCYm-M5FrJsxmG29_aDVNhcvkoQ3mlP7ITQeqzkrjfytSwLb2BYpXYZKjEHNfV9j3JoxJobUkK5hrxXBhTvZzbVBnE0LSXQNwR-JAcOliP_jXBEeQ-28B-aGW8TI1vEP2i260QKgzOzPC-pOoFp0-vCvxojNO0kE16ECVTLfDNLNGSMZs9vekdLJP2akBp6PsUXsQUTbWO_wr1E2oNU7ctfMRxoh-yP0ZW2_xz_NjE72O5LF_6zuDVV7Q==\"},{\"type\":\"message\",\"id\":\"msg_0a6277dd90b94da1016aa8c947253887d184c150fcbcbcd8da\",\"role\":\"assistant\",\"content\":[{\"type\":\"output_text\",\"text\":\"Alpha.\"}],\"phase\":\"final_answer\",\"status\":\"completed\"},{\"type\":\"message\",\"role\":\"user\",\"content\":[{\"type\":\"input_text\",\"text\":\"Reply exactly: Beta.\"}]}],\"instructions\":\"Follow the user's exact reply instruction.\",\"store\":false,\"include\":[\"reasoning.encrypted_content\"],\"reasoning\":{\"effort\":\"medium\",\"summary\":\"auto\"},\"text\":{\"verbosity\":\"low\"},\"max_output_tokens\":30}"
         },
         {
           "direction": "server",
           "kind": "text",
-          "body": "{\"type\":\"response.created\",\"response\":{\"id\":\"resp_ws_reconnect_2\"}}"
+          "body": "{\"type\":\"response.created\",\"response\":{\"id\":\"resp_0a6277dd90b94da1016aa8c94776f487d19683416e4d24a143\",\"object\":\"response\",\"created_at\":1789446471,\"status\":\"in_progress\",\"background\":false,\"completed_at\":null,\"error\":null,\"frequency_penalty\":0.0,\"incomplete_details\":null,\"instructions\":\"Follow the user's exact reply instruction.\",\"max_output_tokens\":30,\"max_tool_calls\":null,\"model\":\"gpt-5.5-2026-04-23\",\"moderation\":null,\"output\":[],\"parallel_tool_calls\":true,\"presence_penalty\":0.0,\"previous_response_id\":null,\"prompt_cache_key\":null,\"prompt_cache_retention\":\"24h\",\"reasoning\":{\"context\":\"current_turn\",\"effort\":\"medium\",\"mode\":\"standard\",\"summary\":\"detailed\"},\"safety_identifier\":null,\"service_tier\":\"auto\",\"store\":false,\"temperature\":1.0,\"text\":{\"format\":{\"type\":\"text\"},\"verbosity\":\"low\"},\"tool_choice\":\"auto\",\"tool_usage\":{\"image_gen\":{\"input_tokens\":0,\"input_tokens_details\":{\"image_tokens\":0,\"text_tokens\":0},\"output_tokens\":0,\"output_tokens_details\":{\"image_tokens\":0,\"text_tokens\":0},\"total_tokens\":0},\"web_search\":{\"num_requests\":0}},\"tools\":[],\"top_logprobs\":0,\"top_p\":0.98,\"truncation\":\"disabled\",\"usage\":null,\"user\":null,\"metadata\":{}},\"sequence_number\":0}"
         },
         {
           "direction": "server",
           "kind": "text",
-          "body": "{\"type\":\"response.output_item.added\",\"item\":{\"type\":\"message\",\"id\":\"msg_ws_reconnect_2\",\"role\":\"assistant\",\"content\":[]}}"
+          "body": "{\"type\":\"response.in_progress\",\"response\":{\"id\":\"resp_0a6277dd90b94da1016aa8c94776f487d19683416e4d24a143\",\"object\":\"response\",\"created_at\":1789446471,\"status\":\"in_progress\",\"background\":false,\"completed_at\":null,\"error\":null,\"frequency_penalty\":0.0,\"incomplete_details\":null,\"instructions\":\"Follow the user's exact reply instruction.\",\"max_output_tokens\":30,\"max_tool_calls\":null,\"model\":\"gpt-5.5-2026-04-23\",\"moderation\":null,\"output\":[],\"parallel_tool_calls\":true,\"presence_penalty\":0.0,\"previous_response_id\":null,\"prompt_cache_key\":null,\"prompt_cache_retention\":\"24h\",\"reasoning\":{\"context\":\"current_turn\",\"effort\":\"medium\",\"mode\":\"standard\",\"summary\":\"detailed\"},\"safety_identifier\":null,\"service_tier\":\"auto\",\"store\":false,\"temperature\":1.0,\"text\":{\"format\":{\"type\":\"text\"},\"verbosity\":\"low\"},\"tool_choice\":\"auto\",\"tool_usage\":{\"image_gen\":{\"input_tokens\":0,\"input_tokens_details\":{\"image_tokens\":0,\"text_tokens\":0},\"output_tokens\":0,\"output_tokens_details\":{\"image_tokens\":0,\"text_tokens\":0},\"total_tokens\":0},\"web_search\":{\"num_requests\":0}},\"tools\":[],\"top_logprobs\":0,\"top_p\":0.98,\"truncation\":\"disabled\",\"usage\":null,\"user\":null,\"metadata\":{}},\"sequence_number\":1}"
         },
         {
           "direction": "server",
           "kind": "text",
-          "body": "{\"type\":\"response.output_text.delta\",\"item_id\":\"msg_ws_reconnect_2\",\"delta\":\"Beta.\"}"
+          "body": "{\"type\":\"response.output_item.added\",\"item\":{\"id\":\"rs_0a6277dd90b94da1016aa8c9480f6487d1a070a12dafc69e6a\",\"type\":\"reasoning\",\"content\":[],\"encrypted_content\":\"gAAAAABqqMlI9VZgFUiN_kctOUHXqwezRPZvkNVoD0xlUTiMU0SRYwrKB81mG-G3pcMVbgzfSb9WZ4Zywz-aEFa3nEsGGqi9W6UfFwKGM-APFrQkCxKkP43x230UnhDfb8Kf3yw-KB0o2OJFSgUxd2tJP1xo6JYbwubAv7IhrjZPESbWuAR0wfqGwmorHOvUmHIQr0XCTdtDlVcfopybb-ZTIo1UhCnAud48ze73p6K_yNU12k6auOpIu8prj2bn4O5kNS8tNIO5YsSVtaUqAMyUG6XmWCB0XiYerjvIYBSQb526_ex79YZrNwsQNE76iGO_sT-Vy2F36nqBhgAlHZBRxL2CWYEDgCehrNDktz3CUFKrahuLYBUk6oJb-85sZfAZO-MY6UqlkXZqTHcwBHGJdj8bkl8XTGUmOgAQC3StISb3zXYGtj8Vtdl5eYNh3Vhm2sSGrsgYOAlELTo-tqi4QtmrX1AHYbGPCmuj1sNieV7RcKSVaalHCj1WmCDbRGVPKgvRnQQ8WK5VnN_CPUL3pKJO3b617Yx1wneNzUsVFaUVOemkXd8G81qEZr_YmGBW-dSFqkNiSJH06ULFNvrmkFPhlEHtaiTC8lJFC45aGlM7BGm-cGw1ONt199FtL56t6u8p32wx2C6BvhvxiAyBeJpMQQw_I1NBBPO9REHtTbI0jtGClP9g5BBV0rzWlMsmjhyVwSC7d7xyqLIDuMuZ9nq11SA2BZDZtTQRryZU2DAUuJ6Cu_CAbPxmmscCEScVUJXUq8Y4rupf6GRrch6yocWn409ybBWzsUDXf9omAllM-FEWeLAH3Yg2BVVfBiHUblDgWpz2wXO9HIxY6amt7N8GpNiUYBl4c8EvalyoD7j7eLGqsdwrneS5mMMaozsnXw4bTcCYSMZ8yhtOWHeG7OLAGeb4gVwUFbH7LUz6A8cLKftljtshRFBm9E41NQ6J-KEG2Ia_AjOVgA0zCFZsaJFZ_LP-KVoj4At9k1yvSZyWSOJX_hfazXo3eHsi5p3j4wHz9U_ogQYPRkiMqQvUCtwwX_R7GX2D29NPSI4MlGKLoVhETUBcTOvTf4_6RxWhnBjl-1flGo6BtOMZ_s_mamho7jj8w3F_excGoM1NyvrM7fTy1-kCDMm48q1QyANxHCuQ9TwOgXJnmK3J-rWVNjuTCAKNdQ==\",\"summary\":[]},\"output_index\":0,\"sequence_number\":2}"
         },
         {
           "direction": "server",
           "kind": "text",
-          "body": "{\"type\":\"response.output_text.done\",\"item_id\":\"msg_ws_reconnect_2\",\"text\":\"Beta.\"}"
+          "body": "{\"type\":\"response.output_item.done\",\"item\":{\"id\":\"rs_0a6277dd90b94da1016aa8c9480f6487d1a070a12dafc69e6a\",\"type\":\"reasoning\",\"content\":[],\"encrypted_content\":\"gAAAAABqqMlIaef7g4rrAJk05lFmziUYNLhpLqHcXC0CflH7X2Khf98dbAp53eKCZdS1vUdbbqBmIbW5av324WBrWupcwKKNZUxqUBcHBuI6VxqI6Wi95Z8jHkWUBUXPlgHB3KshumV-AhNKhagzdoe9NVgbTV4ki2Y6EwW-xM2yCKAtl7U05G9W8xq37MmmRL2PM68eIMYPjq7rLU24bEOC6yCs1Z708MTAAwKiCZY93q1pkOOl7dMkm82HmnmN_0tgKIT9UgX9tH2LUgKEmYj_xVWAArMvK1aujod6HtoA2E3P0Dcq_pkR49WdNENaFY4NWikxDeTfqw7xNCSmBZ5oo00sAnCndYhwPvvXy6dvnz66_-Tl6-uOxWmcFVedLiic0yML1O8MT7x6lz63vR1fjFqimo0_3ik-fqkXtQrxVSJpY_FTJH3rsAHiCSu0K9G6tytat3m-VrgxXyHguL-xn6JkXoBUFv-njlWc9R9DVIQFPPQLGwFxmQPwBYGlQRroU6q81C81ALkwvvbHws8a3lzRgJeSQFJNnzaHEFbdMyIW9Rem7wNISJyaZgcqRT531BCB-0UfVZTOUtl1eugXV0w_uvaLUcrGoA-beAaN6XbcTEuhQ5oXNiXdEQpt94glIwEd32oa3Ly3Sdb7-VcsOtKWfLHE4CnVDHv5Q4bx8GYTIkov4ZX6Y3lBB1G0xnAS45ucZZSi_crYa4c4dL2QY_LMqJgfZBdopttKrV43toK3aB2BjiehyP_2EjuK26S6UqiB-BDCX59LNu8cd3Ye-GK_bceFTPEbsoKIHn4Ne_DQgnVMKQ0M66jcoMuVXMhkoCjsAkTkVNM_rXbSFDxcnI6pGtliyGpeTNVs2LmSqpaTAJ1WywhPCP5jPL_1Xk2uXg3iS_EWJ0pDUOmpv1SKkWAkL-I_3y9IzcG4KB5bfJAf4SASB3GaAHfWPmFT70nVD5TtuEuxrhqXP1h9U0AAc4Y2aX9kSEIEJ4TWILyZfBN-7YKbH1R-LftmeccJsNfPAHjVHvMb2RLKjedFU3jhxHGblPDWAibkcQEv4ZOND3mhomtjqM8HaB2bhiVYl5KT9RqjcJGimgOr5-xbkyvHiojkZkl35doEHuuaF6b3_wibYpJANpBxFN0cDBZ0bAmBdx452c20EDsdHPvYWapI-gdYx2aHHMIgk-Xx9iZx1t1bnbY5yeKxJeZoFH4pV0vB01DZPmw-CpCRnOGp96Zdu26rjp4F9w==\",\"summary\":[]},\"output_index\":0,\"sequence_number\":3}"
         },
         {
           "direction": "server",
           "kind": "text",
-          "body": "{\"type\":\"response.output_item.done\",\"item\":{\"type\":\"message\",\"id\":\"msg_ws_reconnect_2\",\"role\":\"assistant\",\"content\":[{\"type\":\"output_text\",\"text\":\"Beta.\"}]}}"
+          "body": "{\"type\":\"response.output_item.added\",\"item\":{\"id\":\"msg_0a6277dd90b94da1016aa8c948516487d1a9818eaf4845bd4f\",\"type\":\"message\",\"status\":\"in_progress\",\"content\":[],\"phase\":\"final_answer\",\"role\":\"assistant\"},\"output_index\":1,\"sequence_number\":4}"
         },
         {
           "direction": "server",
           "kind": "text",
-          "body": "{\"type\":\"response.completed\",\"response\":{\"id\":\"resp_ws_reconnect_2\"}}"
+          "body": "{\"type\":\"response.content_part.added\",\"content_index\":0,\"item_id\":\"msg_0a6277dd90b94da1016aa8c948516487d1a9818eaf4845bd4f\",\"output_index\":1,\"part\":{\"type\":\"output_text\",\"annotations\":[],\"logprobs\":[],\"text\":\"\"},\"sequence_number\":5}"
+        },
+        {
+          "direction": "server",
+          "kind": "text",
+          "body": "{\"type\":\"response.output_text.delta\",\"content_index\":0,\"delta\":\"Beta\",\"item_id\":\"msg_0a6277dd90b94da1016aa8c948516487d1a9818eaf4845bd4f\",\"logprobs\":[],\"obfuscation\":\"WqDiBoHEYYfz\",\"output_index\":1,\"sequence_number\":6}"
+        },
+        {
+          "direction": "server",
+          "kind": "text",
+          "body": "{\"type\":\"response.output_text.delta\",\"content_index\":0,\"delta\":\".\",\"item_id\":\"msg_0a6277dd90b94da1016aa8c948516487d1a9818eaf4845bd4f\",\"logprobs\":[],\"obfuscation\":\"PIv3yLskbYILa6g\",\"output_index\":1,\"sequence_number\":7}"
+        },
+        {
+          "direction": "server",
+          "kind": "text",
+          "body": "{\"type\":\"response.output_text.done\",\"content_index\":0,\"item_id\":\"msg_0a6277dd90b94da1016aa8c948516487d1a9818eaf4845bd4f\",\"logprobs\":[],\"output_index\":1,\"sequence_number\":8,\"text\":\"Beta.\"}"
+        },
+        {
+          "direction": "server",
+          "kind": "text",
+          "body": "{\"type\":\"response.content_part.done\",\"content_index\":0,\"item_id\":\"msg_0a6277dd90b94da1016aa8c948516487d1a9818eaf4845bd4f\",\"output_index\":1,\"part\":{\"type\":\"output_text\",\"annotations\":[],\"logprobs\":[],\"text\":\"Beta.\"},\"sequence_number\":9}"
+        },
+        {
+          "direction": "server",
+          "kind": "text",
+          "body": "{\"type\":\"response.output_item.done\",\"item\":{\"id\":\"msg_0a6277dd90b94da1016aa8c948516487d1a9818eaf4845bd4f\",\"type\":\"message\",\"status\":\"completed\",\"content\":[{\"type\":\"output_text\",\"annotations\":[],\"logprobs\":[],\"text\":\"Beta.\"}],\"phase\":\"final_answer\",\"role\":\"assistant\"},\"output_index\":1,\"sequence_number\":10}"
+        },
+        {
+          "direction": "server",
+          "kind": "text",
+          "body": "{\"type\":\"response.completed\",\"response\":{\"id\":\"resp_0a6277dd90b94da1016aa8c94776f487d19683416e4d24a143\",\"object\":\"response\",\"created_at\":1789446471,\"status\":\"completed\",\"background\":false,\"completed_at\":1789446472,\"error\":null,\"frequency_penalty\":0.0,\"incomplete_details\":null,\"instructions\":\"Follow the user's exact reply instruction.\",\"max_output_tokens\":30,\"max_tool_calls\":null,\"model\":\"gpt-5.5-2026-04-23\",\"moderation\":null,\"output\":[{\"id\":\"rs_0a6277dd90b94da1016aa8c9480f6487d1a070a12dafc69e6a\",\"type\":\"reasoning\",\"content\":[],\"encrypted_content\":\"gAAAAABqqMlI1N6KzakCxDtgF9wHTAVvBjMChBW3G-Ys0eorlfORBx5SY6N5M_jQQ0xsc0C9iOJOsp1PFw68lHqNXrGBmmZ-Vh6LqYK20Wp7kX6oy2hizTvdgzZtszGxl56mES1XdVU7H1CdtX5ycdgwvE9vkx0to5Y-K1S_y2VPC1TluybnftIQkuKRs-97xQNeNH6hXq_YaMukTbzr-OKn28tYPx7k2u1oY5LeNCpYGTOtEyRFc56uzy66Z3bVpRVk0huvB43_NiA3p43coZVyKMQ0k3yzli1GqNaup1riouQRuqGXVgvN_Eix8oE6QaaOj4h3PaS6Z25Map-SAxq-3FMOiCGWwewjMvWYp3VmrvHOLfXzzUMIcYBRBdlNlvfMhT0dWhTS9_YR4QFixdCVemIUg4nv6292K1FHeXDT3HWGoJPsq4I3hLpqSd0PIXImJ3NVHchhV6KhV98Entde92sZv_y8f2JUvXRhPKsuC5uDIHHPoGl81AiDWNLyyu6SzBHFolHrLWH-lsqH-wHPl03qfh7dE_IcAVkyQl5UK1oHwsa7xEZsK2VoZvkUneUyYyGVT6H2uXKQEU4veY5HhWAoRq7lqgBqN7dD2xQelACMvYupUKB_bEJFSRiD3Rrkfhb-VItgbUjj44-T_DnYB5T8kjnWEWx767BPM1dmNrJK1NI5hD1vBVcrVknblccJDGlsBPSing24UGtkNJqJyclKUNBN9umZq7inBs-XDnqzMPfPX9X1nSP1cLGqbDlYNvDWgRritY3rySUZcu4rFRZ7J2RyiAuc7RgJTUXCyzouLVpGqfyWhDlFRJxS20zQfKUBHbywZ8pkcVav7TCdvIPXy7MMdxqJY8m3uhw2sLYvWs--U20fGVTY8_X3LN8ShyNbHQNj5OYMrG4uyrALiDtKbSTGgaC0uX0I6Ovu3OFrheLyWG9GNlAGn2ob5eZXPGq1uB-fJjnTftwQ8B3feDYq7SyBT5-LnBDd93QDdBvtsyHQHvtqv8c-S0ntAtcqP9lDNd1OkLjiFd7qcEDcq1Nxyn_9d2cPjYgGdiASW8X9FIE8Kf4nNTC9omgzAdPyS7RPj6Ke271QrWhjTjUuhWGvsiN5JSfGTIqe_4e1A5k990n5Q97Mjg-63N9HNJmUm5bJ6vCbYzet-bg2-jD-4_eUdkA2h1pFO56rlWItR7uxrnEWBwVwY438KezON-wa51JBjnqGQRSsBXvLt4wOb0xyPXfXVQ==\",\"summary\":[]},{\"id\":\"msg_0a6277dd90b94da1016aa8c948516487d1a9818eaf4845bd4f\",\"type\":\"message\",\"status\":\"completed\",\"content\":[{\"type\":\"output_text\",\"annotations\":[],\"logprobs\":[],\"text\":\"Beta.\"}],\"phase\":\"final_answer\",\"role\":\"assistant\"}],\"parallel_tool_calls\":true,\"presence_penalty\":0.0,\"previous_response_id\":null,\"prompt_cache_key\":null,\"prompt_cache_retention\":\"24h\",\"reasoning\":{\"context\":\"current_turn\",\"effort\":\"medium\",\"mode\":\"standard\",\"summary\":\"detailed\"},\"safety_identifier\":null,\"service_tier\":\"default\",\"store\":false,\"temperature\":1.0,\"text\":{\"format\":{\"type\":\"text\"},\"verbosity\":\"low\"},\"tool_choice\":\"auto\",\"tool_usage\":{\"image_gen\":{\"input_tokens\":0,\"input_tokens_details\":{\"image_tokens\":0,\"text_tokens\":0},\"output_tokens\":0,\"output_tokens_details\":{\"image_tokens\":0,\"text_tokens\":0},\"total_tokens\":0},\"web_search\":{\"num_requests\":0}},\"tools\":[],\"top_logprobs\":0,\"top_p\":0.98,\"truncation\":\"disabled\",\"usage\":{\"input_tokens\":39,\"input_tokens_details\":{\"cache_write_tokens\":0,\"cached_tokens\":0},\"output_tokens\":18,\"output_tokens_details\":{\"reasoning_tokens\":10},\"total_tokens\":57},\"user\":null,\"metadata\":{}},\"sequence_number\":11}"
         }
       ]
     }

packages/ai/test/fixtures/recordings/openai-responses-websocket/recovers-from-explicit-continuation-rejection.json

@@ -1,8 +1,6 @@
 {
   "version": 1,
   "metadata": {
-    "provider": "openai",
-    "protocol": "openai-responses",
     "transport": "websocket",
     "model": "gpt-5.5",
     "tags": [
@@ -14,7 +12,7 @@
       "recovery"
     ],
     "name": "openai-responses-websocket/recovers-from-explicit-continuation-rejection",
-    "recordedAt": "2026-08-20T00:00:00.000Z"
+    "recordedAt": "2026-09-15T04:31:59.100Z"
   },
   "interactions": [
     {
@@ -32,37 +30,67 @@
         {
           "direction": "client",
           "kind": "text",
-          "body": "{\"type\":\"response.create\",\"model\":\"gpt-5.5\",\"input\":[{\"role\":\"user\",\"content\":[{\"type\":\"input_text\",\"text\":\"Reply exactly: Ready.\"}]}],\"store\":false,\"max_output_tokens\":30,\"include\":[\"reasoning.encrypted_content\"],\"reasoning\":{\"effort\":\"medium\",\"summary\":\"auto\"},\"text\":{\"verbosity\":\"low\"},\"instructions\":\"Follow the user's exact reply instruction.\"}"
+          "body": "{\"type\":\"response.create\",\"model\":\"gpt-5.5\",\"input\":[{\"type\":\"message\",\"role\":\"user\",\"content\":[{\"type\":\"input_text\",\"text\":\"Reply exactly: Ready.\"}]}],\"instructions\":\"Follow the user's exact reply instruction.\",\"store\":false,\"include\":[\"reasoning.encrypted_content\"],\"reasoning\":{\"effort\":\"medium\",\"summary\":\"auto\"},\"text\":{\"verbosity\":\"low\"},\"max_output_tokens\":30}"
         },
         {
           "direction": "server",
           "kind": "text",
-          "body": "{\"type\":\"response.created\",\"response\":{\"id\":\"resp_ws_rejection_1\"}}"
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@@ -81,47 +109,77 @@
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           "kind": "text",
-          "body": "{\"type\":\"response.created\",\"response\":{\"id\":\"resp_ws_rejection_2\"}}"
+          "body": "{\"type\":\"response.created\",\"response\":{\"id\":\"resp_01cc0cda24c36acf016aa8ca3de54c87d1b3f522e8bd2f6982\",\"object\":\"response\",\"created_at\":1789446717,\"status\":\"in_progress\",\"background\":false,\"completed_at\":null,\"error\":null,\"frequency_penalty\":0.0,\"incomplete_details\":null,\"instructions\":\"Follow the user's exact reply instruction.\",\"max_output_tokens\":30,\"max_tool_calls\":null,\"model\":\"gpt-5.5-2026-04-23\",\"moderation\":null,\"output\":[],\"parallel_tool_calls\":true,\"presence_penalty\":0.0,\"previous_response_id\":null,\"prompt_cache_key\":null,\"prompt_cache_retention\":\"24h\",\"reasoning\":{\"context\":\"current_turn\",\"effort\":\"medium\",\"mode\":\"standard\",\"summary\":\"detailed\"},\"safety_identifier\":null,\"service_tier\":\"auto\",\"store\":false,\"temperature\":1.0,\"text\":{\"format\":{\"type\":\"text\"},\"verbosity\":\"low\"},\"tool_choice\":\"auto\",\"tool_usage\":{\"image_gen\":{\"input_tokens\":0,\"input_tokens_details\":{\"image_tokens\":0,\"text_tokens\":0},\"output_tokens\":0,\"output_tokens_details\":{\"image_tokens\":0,\"text_tokens\":0},\"total_tokens\":0},\"web_search\":{\"num_requests\":0}},\"tools\":[],\"top_logprobs\":0,\"top_p\":0.98,\"truncation\":\"disabled\",\"usage\":null,\"user\":null,\"metadata\":{}},\"sequence_number\":0}"
         },
         {
           "direction": "server",
           "kind": "text",
-          "body": "{\"type\":\"response.output_item.added\",\"item\":{\"type\":\"message\",\"id\":\"msg_ws_rejection_2\",\"role\":\"assistant\",\"content\":[]}}"
+          "body": "{\"type\":\"response.in_progress\",\"response\":{\"id\":\"resp_01cc0cda24c36acf016aa8ca3de54c87d1b3f522e8bd2f6982\",\"object\":\"response\",\"created_at\":1789446717,\"status\":\"in_progress\",\"background\":false,\"completed_at\":null,\"error\":null,\"frequency_penalty\":0.0,\"incomplete_details\":null,\"instructions\":\"Follow the user's exact reply instruction.\",\"max_output_tokens\":30,\"max_tool_calls\":null,\"model\":\"gpt-5.5-2026-04-23\",\"moderation\":null,\"output\":[],\"parallel_tool_calls\":true,\"presence_penalty\":0.0,\"previous_response_id\":null,\"prompt_cache_key\":null,\"prompt_cache_retention\":\"24h\",\"reasoning\":{\"context\":\"current_turn\",\"effort\":\"medium\",\"mode\":\"standard\",\"summary\":\"detailed\"},\"safety_identifier\":null,\"service_tier\":\"auto\",\"store\":false,\"temperature\":1.0,\"text\":{\"format\":{\"type\":\"text\"},\"verbosity\":\"low\"},\"tool_choice\":\"auto\",\"tool_usage\":{\"image_gen\":{\"input_tokens\":0,\"input_tokens_details\":{\"image_tokens\":0,\"text_tokens\":0},\"output_tokens\":0,\"output_tokens_details\":{\"image_tokens\":0,\"text_tokens\":0},\"total_tokens\":0},\"web_search\":{\"num_requests\":0}},\"tools\":[],\"top_logprobs\":0,\"top_p\":0.98,\"truncation\":\"disabled\",\"usage\":null,\"user\":null,\"metadata\":{}},\"sequence_number\":1}"
         },
         {
           "direction": "server",
           "kind": "text",
-          "body": "{\"type\":\"response.output_text.delta\",\"item_id\":\"msg_ws_rejection_2\",\"delta\":\"Recovered.\"}"
+          "body": "{\"type\":\"response.output_item.added\",\"item\":{\"id\":\"rs_01cc0cda24c36acf016aa8ca3ebf4087d18e71282a5ea4bc04\",\"type\":\"reasoning\",\"content\":[],\"encrypted_content\":\"gAAAAABqqMo-dtBCl_gnEkmEpBqej9pZjra5vIb7stkXTCmIZF_R073a3SEI66YOhJlTwQOoLnzXCdKku5QKF3HWUTITgGcEYVoH9mR5b0iDs_KMJ5XSBr-TslHOj9msVlDvDeBbbXJ5Yuq0hfmZS7wwwyyR-D429_wvAR_sKJnnf_RbPSY9Wmd9EZciG7VOsBsBJg4hXiB8W_0LmbfxJgLpxubA69UTC8keEzfl6YNLdPH3MYpdclyuYWdnM9o1EG-kkcXjElN1ATS4lt2qTXFSmi2akPyDTQNRRiYAJxwmmf_bTotggvtW1EkGeuCUcet_8vzvG371m83kEQpCyhgXnofjdOyloVpcxwij6Avc63lD4oiHy4ic0em_BgmJfOTvEaBMBSuB8KM2lWscWRYfD_zgnifXYRVaLsZ9cRspJ2hO7-3pBu2_j_gLs8SAxW1YhHyY2rMbMNJbnSiEanCbATplivIc6wzB-41zR2h3U-wGwkv4pywLg0A_aMAnqypW7iYugtVoaFXYq7o24sW6JvkVLEpEXABpfbbjT_SdBfL08Ta-pwmptkKKmP4lzV38JgbXynB4N-pbSAD6Q5At79qn-0KETydNuyPNn-ymQQKOIidlRjXfb8Z8PGoaqmRXCkyxcXTD81EE5UVBWsJeQN6T5RzQYYUggo0KjshBr2FAub7b9MqBjUSXnsTxwcmPZFeP3WZfTbuT-r0qxH6Ni8BcTy5K4c0qmiEdzF2OvCFIwZOh__tprFFiiUmIxwKrcI-hMEU9ilq-nFzC5QleS31l8WkzpAKC2iWRpKz_EK5FJ-XoAFw3rtmAN-6mPt2_aZlZNdFAXn4JUr3lccT3jzyCN6-6WLorKHNpYgi715WfpQoDjYbGKwpCjvIj6R7Msw-QELH73FRL4dUj2R0kciA04KFIa_eFiS1mwSuVorX8WGM8bYkCrctkbeP4ExrUMoix4g-cMvryOvRG6cngk2PplXF67v8xL_0FtFYaxzK8OpEwDlUuEclqiJS-uF-kVcR_FE7sQgz6gUqfm2fCKq99bZ1K2ylyPd8jTFu3dcZ4gr1BOm9IHMTt3QBSV1l6q-A_6v6FBZoJrbty_x-hamWuWgpemzG0d9iF6MppFiSNd6PlrMH112Yp0Aqv8pJ1wyNOhWtWwcH6O-LD3K1vMNeRt3q13w==\",\"summary\":[]},\"output_index\":0,\"sequence_number\":2}"
         },
         {
           "direction": "server",
           "kind": "text",
-          "body": "{\"type\":\"response.output_text.done\",\"item_id\":\"msg_ws_rejection_2\",\"text\":\"Recovered.\"}"
+          "body": "{\"type\":\"response.output_item.done\",\"item\":{\"id\":\"rs_01cc0cda24c36acf016aa8ca3ebf4087d18e71282a5ea4bc04\",\"type\":\"reasoning\",\"content\":[],\"encrypted_content\":\"gAAAAABqqMo_jv-Y0S-TLI5hac6vAjiuTBsft7PJge5P9vpm8zR-PFxA6DDAm92Ff8_hWSyrqSjSv5amBU4yqqANYzJx3reX0fSFHBMmW3BDTifJ9rVSw_jnhK8_3o4m0wPDzbhk-jlVE6wU72_7AZzb0xt7Uo3cvh-PYtvomA9oJx_P3G06DDvJ6D0ea-5C6fYkHkMCW2BIED5oNrX88Ety__OPiNP__cX0AuODa80Ls-_lGKJI15AaLaJGMVvgZZvB86wjMHT_UBK7xwAvyKziCWgp3oh4jR6SUnTtkF5EwZs5sQbmXN3dG0DN7P7c-DL7qLM4y3bIqjhKjNJJ1fBpE56pAkAkWFGjuxM9W8zLDuv-xMyun2B4ttdKVdl7eubr8Jz_cNieGTXtpfYsntuxDEIl-bYSxlhOLkpiWACXQlbFxCCKb3e4Tijke-Z0I8OiarvRgKZyzCn_wXF7nNqvXNj_AkYV8FQuF9d2iqSata399K_w8sM1Zt3pbbJB6_9Yxspp89TVlvRITXWH_0xSOWDG1D3f4AiOQ2y9xSUmweHHTUgxRLfhAJlrgGzE7lDRLKEe_SOSXfx3ONEprhQpeHW_kWAVxXaQjuMaIwzsl6REmtZAZjjvw1q5TIAkB_hMDhmnpsB9_XFVR97il9NwTLnpkLmFerxo6i5Z0-ElUuy8QbzM0xuuBY5B4UqKpZI42C3znxGn_vzct4DNYffVEdA5KMIg_om4Dbsuz2QPfo-8WSOwCcme9AqPpiPPi8ieGR7VsVoq26qeuB-nEr9kxZnBZvWakSZsAIue22ZP3nJqxUgi0zvnftPxN21HvQHzhUNw69WnmGLSE_sfehdlKDCfSIC0irNpW8NH8w_gIp9zCHIaG6mfqY6aERoEw6R4oDQxEimJP2E6zoJzLWfObBasmWrJBScB_K_Q7sopD3fSaHUAhI4o-U3hL-8v_1BpfSMuZWRhDb781WjNY4BSpB9WfqAM-jEWzdbfp60G7Q1ZdDVgqny5a1KFyalyxb44imnoPlNh-fl_c2iqEZRAy4-TSo0RxfjwKSIvF2GCnR8jG7tKH5dYFgCeKWbzWFgX22Gg_4ZdLh5-kmMqEKIzQkqswOYmiCBvCzK7QZPl8KZkSpvmXkkQvKKlR7nakIdOpkqzb087KXWOxzkCc5uudq0nxPvGkMoDS1g1mEE4qFX5w_ZJYaW6ULENzcK8NR6BaMmwvU0L\",\"summary\":[]},\"output_index\":0,\"sequence_number\":3}"
         },
         {
           "direction": "server",
           "kind": "text",
-          "body": "{\"type\":\"response.output_item.done\",\"item\":{\"type\":\"message\",\"id\":\"msg_ws_rejection_2\",\"role\":\"assistant\",\"content\":[{\"type\":\"output_text\",\"text\":\"Recovered.\"}]}}"
+          "body": "{\"type\":\"response.output_item.added\",\"item\":{\"id\":\"msg_01cc0cda24c36acf016aa8ca3f17f887d1aa91596ed4fd7a68\",\"type\":\"message\",\"status\":\"in_progress\",\"content\":[],\"phase\":\"final_answer\",\"role\":\"assistant\"},\"output_index\":1,\"sequence_number\":4}"
         },
         {
           "direction": "server",
           "kind": "text",
-          "body": "{\"type\":\"response.completed\",\"response\":{\"id\":\"resp_ws_rejection_2\"}}"
+          "body": "{\"type\":\"response.content_part.added\",\"content_index\":0,\"item_id\":\"msg_01cc0cda24c36acf016aa8ca3f17f887d1aa91596ed4fd7a68\",\"output_index\":1,\"part\":{\"type\":\"output_text\",\"annotations\":[],\"logprobs\":[],\"text\":\"\"},\"sequence_number\":5}"
+        },
+        {
+          "direction": "server",
+          "kind": "text",
+          "body": "{\"type\":\"response.output_text.delta\",\"content_index\":0,\"delta\":\"Recovered\",\"item_id\":\"msg_01cc0cda24c36acf016aa8ca3f17f887d1aa91596ed4fd7a68\",\"logprobs\":[],\"obfuscation\":\"Gd6uxmr\",\"output_index\":1,\"sequence_number\":6}"
+        },
+        {
+          "direction": "server",
+          "kind": "text",
+          "body": "{\"type\":\"response.output_text.delta\",\"content_index\":0,\"delta\":\".\",\"item_id\":\"msg_01cc0cda24c36acf016aa8ca3f17f887d1aa91596ed4fd7a68\",\"logprobs\":[],\"obfuscation\":\"4yZd9PKDNMCzGFV\",\"output_index\":1,\"sequence_number\":7}"
+        },
+        {
+          "direction": "server",
+          "kind": "text",
+          "body": "{\"type\":\"response.output_text.done\",\"content_index\":0,\"item_id\":\"msg_01cc0cda24c36acf016aa8ca3f17f887d1aa91596ed4fd7a68\",\"logprobs\":[],\"output_index\":1,\"sequence_number\":8,\"text\":\"Recovered.\"}"
+        },
+        {
+          "direction": "server",
+          "kind": "text",
+          "body": "{\"type\":\"response.content_part.done\",\"content_index\":0,\"item_id\":\"msg_01cc0cda24c36acf016aa8ca3f17f887d1aa91596ed4fd7a68\",\"output_index\":1,\"part\":{\"type\":\"output_text\",\"annotations\":[],\"logprobs\":[],\"text\":\"Recovered.\"},\"sequence_number\":9}"
+        },
+        {
+          "direction": "server",
+          "kind": "text",
+          "body": "{\"type\":\"response.output_item.done\",\"item\":{\"id\":\"msg_01cc0cda24c36acf016aa8ca3f17f887d1aa91596ed4fd7a68\",\"type\":\"message\",\"status\":\"completed\",\"content\":[{\"type\":\"output_text\",\"annotations\":[],\"logprobs\":[],\"text\":\"Recovered.\"}],\"phase\":\"final_answer\",\"role\":\"assistant\"},\"output_index\":1,\"sequence_number\":10}"
+        },
+        {
+          "direction": "server",
+          "kind": "text",
+          "body": "{\"type\":\"response.completed\",\"response\":{\"id\":\"resp_01cc0cda24c36acf016aa8ca3de54c87d1b3f522e8bd2f6982\",\"object\":\"response\",\"created_at\":1789446717,\"status\":\"completed\",\"background\":false,\"completed_at\":1789446719,\"error\":null,\"frequency_penalty\":0.0,\"incomplete_details\":null,\"instructions\":\"Follow the user's exact reply instruction.\",\"max_output_tokens\":30,\"max_tool_calls\":null,\"model\":\"gpt-5.5-2026-04-23\",\"moderation\":null,\"output\":[{\"id\":\"rs_01cc0cda24c36acf016aa8ca3ebf4087d18e71282a5ea4bc04\",\"type\":\"reasoning\",\"content\":[],\"encrypted_content\":\"gAAAAABqqMo_tTrOofpc1jivBwgDV6YyVCiZNC4DHnW2mXBF8Yaw6kA3-psWdVLAwpZiAYNDSlXLdFZlYfiBGuT7StE00bzH5sXfOz9ioSiCr-GMdJ74UEw_V6OeuRwTEcPHh2ILuKI4o4U0eP1xg7fye14XhnOAEwbd1kkkP2nl6llT-nixDOj7eGVgl4MdVbVnp__XVkio7trNK1EoZO4zc9SN7MRU-EbBxjFJPXZNey3jsv2rNjsfzbI7pEMFAS9OwY9FpX1r-8p1l2MBOeiSPl4eFLBou0ACrfiray-WHQ-d6Mkxzjgx268oLrfqIv_DGLVZOISC09kWUoqXSqqRBKV_IM-0lHqUx5pUUi9l4reUQzH9EynPvIMOHD_FapHVI8--CJp-Bkm8qbBKVclonOXqaZtGQ8N0Dnp-1WwSrt_5dE8-k7aU1gQABgfs1g_EaE09tnjfld64jgTwZrfFP4WxhzyINnTXpPtX8Lwf3Cjlu2_xbu0VEy2i4_s7rZ2IIu7zDN-yakOkiqbe38xT5KX2YRPCeB88pdSM17hjIjbyKDFx1TZbZyTSSGvs9XjyaEDr899CeMjNyMaBfJwhrMdFW5P7H6BlIASKVJhJw27RYW4EuQtslXVFzpzmtRnqebPLtijXT_krg7icWL7a5YAS2q5V-XXmWLSuKJW6wNpp1vdHpxl8ZOWfeNvkKlqO0cd8grYBd_l9Evx4EoF0YSIXXUCWpMIMhJgLEPt8eOW4RBG3aPk83C8FINyReXl3Rq9aVYcEowwKAxIGHyuXRjnx-Di2JqmtaH_G5kpuPkACEhSKjWp7Sv175lWdBpUvGAKDA6GDSHLz5vtJsPDFIyYecAxLyDZ0VYVosaIfW6otisr6sIWuxL4AXoLAD9fiXh6y_s2Gbb-DSQesjF7oJvftcHMxnL2j5gZ6_Z1d03C4UjbqYS9vy2vSOOQ4VR8CX4QhNIXbYeEUhxWdmtWM27zcJ_yCm_H4hmo4QAAv83C64qP9eVZ3Z7g84T-IYz8C-8oM9n8ceitghRZ-G7X6uVUUiOUj1Tmx1uekDrFNEbHg9XeWGMua2z7Y3UUl9iq0r_oJwBxxBY3QEk03Pwulk6cx6LRDoP_30MHV-oLRcHKeWKBjIld4qio5z_xoDZKD2b_KB5i43gfPk8B-vzI9tBmtNLsPKOIsbSyj8Oo9CJv_1sXgU8IoM1uxtPDpg2W8pGL4rkEC\",\"summary\":[]},{\"id\":\"msg_01cc0cda24c36acf016aa8ca3f17f887d1aa91596ed4fd7a68\",\"type\":\"message\",\"status\":\"completed\",\"content\":[{\"type\":\"output_text\",\"annotations\":[],\"logprobs\":[],\"text\":\"Recovered.\"}],\"phase\":\"final_answer\",\"role\":\"assistant\"}],\"parallel_tool_calls\":true,\"presence_penalty\":0.0,\"previous_response_id\":null,\"prompt_cache_key\":null,\"prompt_cache_retention\":\"24h\",\"reasoning\":{\"context\":\"current_turn\",\"effort\":\"medium\",\"mode\":\"standard\",\"summary\":\"detailed\"},\"safety_identifier\":null,\"service_tier\":\"default\",\"store\":false,\"temperature\":1.0,\"text\":{\"format\":{\"type\":\"text\"},\"verbosity\":\"low\"},\"tool_choice\":\"auto\",\"tool_usage\":{\"image_gen\":{\"input_tokens\":0,\"input_tokens_details\":{\"image_tokens\":0,\"text_tokens\":0},\"output_tokens\":0,\"output_tokens_details\":{\"image_tokens\":0,\"text_tokens\":0},\"total_tokens\":0},\"web_search\":{\"num_requests\":0}},\"tools\":[],\"top_logprobs\":0,\"top_p\":0.98,\"truncation\":\"disabled\",\"usage\":{\"input_tokens\":40,\"input_tokens_details\":{\"cache_write_tokens\":0,\"cached_tokens\":0},\"output_tokens\":17,\"output_tokens_details\":{\"reasoning_tokens\":9},\"total_tokens\":57},\"user\":null,\"metadata\":{}},\"sequence_number\":11}"
         }
       ]
     }

packages/ai/test/provider/bedrock-mantle.test.ts

@@ -169,7 +169,7 @@ describe("Amazon Bedrock Mantle provider", () => {
           summary: [{ type: "summary_text", text: "Considering." }],
           encrypted_content: "mantle-state",
         },
-        { role: "user", content: [{ type: "input_text", text: "Continue." }] },
+        { type: "message", role: "user", content: [{ type: "input_text", text: "Continue." }] },
       ])
     }),
   )

packages/ai/test/provider/conversation-lowering.test.ts

@@ -22,7 +22,7 @@ it.effect("conversation lowering excludes generation settings and tool definitio
       model: "fixture",
       instructions: "Keep the context",
       input: [
-        { role: "user", content: [{ type: "input_text", text: "hello" }] },
+        { type: "message", role: "user", content: [{ type: "input_text", text: "hello" }] },
         { type: "message", role: "assistant", status: "completed", content: [{ type: "output_text", text: "hi" }] },
       ],
     })

packages/ai/test/provider/explicit-compaction.test.ts

@@ -32,7 +32,7 @@ testEffect(
       if (new URL(request.url).pathname.endsWith("/compact")) {
         expect(JSON.parse(text)).toEqual({
           model: "overlaid",
-          input: [{ role: "user", content: [{ type: "input_text", text: "hello" }] }],
+          input: [{ type: "message", role: "user", content: [{ type: "input_text", text: "hello" }] }],
           instructions: "request instructions",
           previous_response_id: "resp_previous",
         })
@@ -253,7 +253,7 @@ for (const overlay of [undefined, { service_tier: "priority", prompt_cache_key:
       Effect.sync(() => {
         expect(JSON.parse(text)).toEqual({
           model: "fixture",
-          input: [{ role: "user", content: [{ type: "input_text", text: "hello" }] }],
+          input: [{ type: "message", role: "user", content: [{ type: "input_text", text: "hello" }] }],
           service_tier: overlay?.service_tier ?? "flex",
           prompt_cache_key: overlay?.prompt_cache_key ?? "affinity",
           prompt_cache_retention: "24h",
@@ -394,7 +394,7 @@ for (const model of [
         if (new URL(request.url).pathname.endsWith("/responses/compact")) {
           expect(body).toEqual({
             model: model.id,
-            input: [{ role: "user", content: [{ type: "input_text", text: "original" }] }],
+            input: [{ type: "message", role: "user", content: [{ type: "input_text", text: "original" }] }],
             instructions: "system",
           })
           return respond(
@@ -407,7 +407,7 @@ for (const model of [
           )
         }
         expect(new URL(request.url).pathname.endsWith("/responses")).toBe(true)
-        expect(body.input).toEqual([...output, { role: "user", content: [{ type: "input_text", text: "continue" }] }])
+        expect(body.input).toEqual([...output, { type: "message", role: "user", content: [{ type: "input_text", text: "continue" }] }])
         return respond(sseEvents({ type: "response.completed", response: { id: "resp_1", output: [] } }), {
           headers: { "content-type": "text/event-stream" },
         })

packages/ai/test/provider/open-responses-replay.test.ts

@@ -66,7 +66,7 @@ for (const model of [
               content: [{ type: "output_text", text: `Final ${index}` }],
             },
           ]),
-          { role: "user", status: "incomplete", content: [{ type: "input_text", text: "Continue" }] },
+          { type: "message", role: "user", status: "incomplete", content: [{ type: "input_text", text: "Continue" }] },
         ])
       }),
     )
@@ -112,7 +112,7 @@ for (const model of [
             status: "completed",
             content: [{ type: "output_text", text: "The next step is" }],
           },
-          { role: "user", content: [{ type: "input_text", text: "Continue" }] },
+          { type: "message", role: "user", content: [{ type: "input_text", text: "Continue" }] },
         ])
       }),
     )

packages/ai/test/provider/openai-chat.test.ts

@@ -248,7 +248,23 @@ describe("OpenAI Chat route", () => {
     }),
   )
 
-  it.effect("maps the request prompt cache key", () =>
+  it.effect("maps the request prompt cache key when the compatibility flag is set", () =>
+    Effect.gen(function* () {
+      const prepared = yield* compileRequest(
+        LLM.request({
+          model: OpenAIChat.route
+            .with({ endpoint: { baseURL: "https://api.compatible.test/v1" }, auth: Auth.bearer("test") })
+            .model({ id: "compatible-model", compatibility: { supportsPromptCacheKey: true } }),
+          prompt: "Hello",
+          promptCacheKey: "session_123",
+        }),
+      )
+
+      expect(prepared.body.prompt_cache_key).toBe("session_123")
+    }),
+  )
+
+  it.effect("omits the prompt cache key without the compatibility flag", () =>
     Effect.gen(function* () {
       const prepared = yield* compileRequest(
         LLM.request({
@@ -261,7 +277,7 @@ describe("OpenAI Chat route", () => {
         }),
       )
 
-      expect(prepared.body.prompt_cache_key).toBe("session_123")
+      expect(prepared.body).not.toHaveProperty("prompt_cache_key")
     }),
   )
 
@@ -280,7 +296,7 @@ describe("OpenAI Chat route", () => {
     }),
   )
 
-  it.effect("maps the xAI Chat prompt cache key to conversation affinity", () =>
+  it.effect("maps the xAI Chat prompt cache key to conversation affinity header only", () =>
     LLMClient.generate(
       LLM.request({
         model: XAI.configure({ apiKey: "test", baseURL: "https://api.x.ai/v1" }).chat("grok-4.5"),
@@ -294,7 +310,8 @@ describe("OpenAI Chat route", () => {
             const web = yield* HttpClientRequest.toWeb(input.request).pipe(Effect.orDie)
             expect(web.headers.get("x-grok-conv-id")).toBe("session_123")
             const body = decodeJson(yield* Effect.promise(() => web.text()))
-            expect(ProviderShared.isRecord(body) ? body.prompt_cache_key : undefined).toBe("session_123")
+            // Chat uses the header; prompt_cache_key is Responses-only.
+            expect(ProviderShared.isRecord(body) ? body.prompt_cache_key : undefined).toBeUndefined()
             return input.respond(sseEvents(deltaChunk({}, "stop")), {
               headers: { "content-type": "text/event-stream" },
             })

packages/ai/test/provider/openai-compatible-responses.test.ts

@@ -47,7 +47,7 @@ describe("Open Responses-compatible route", () => {
       })
       expect(prepared.body).toEqual({
         model: "example-model",
-        input: [{ role: "user", content: [{ type: "input_text", text: "Say hello." }] }],
+        input: [{ type: "message", role: "user", content: [{ type: "input_text", text: "Say hello." }] }],
         instructions: "You are concise.",
         stream: true,
         store: false,
@@ -89,8 +89,8 @@ describe("Open Responses-compatible route", () => {
 
       expect(prepared.body.instructions).toBe("Initial instructions.")
       expect(prepared.body.input).toEqual([
-        { role: "user", content: [{ type: "input_text", text: "Before." }] },
-        { role: "developer", content: "Operator update." },
+        { type: "message", role: "user", content: [{ type: "input_text", text: "Before." }] },
+        { type: "message", role: "developer", content: "Operator update." },
         { type: "message", role: "assistant", status: "completed", content: [{ type: "output_text", text: "After." }] },
       ])
     }),
@@ -111,8 +111,8 @@ describe("Open Responses-compatible route", () => {
       )
 
       expect(prepared.body.input).toEqual([
-        { role: "user", content: [{ type: "input_text", text: "Before." }] },
-        { role: "user", content: [{ type: "input_text", text: "After." }] },
+        { type: "message", role: "user", content: [{ type: "input_text", text: "Before." }] },
+        { type: "message", role: "user", content: [{ type: "input_text", text: "After." }] },
       ])
     }),
   )
@@ -143,6 +143,7 @@ describe("Open Responses-compatible route", () => {
 
       expect(prepared.body.input).toEqual([
         {
+          type: "message",
           role: "user",
           content: [{ type: "input_file", filename: "input.pdf", file_data: pdf }],
         },
@@ -360,9 +361,9 @@ describe("Open Responses-compatible route", () => {
 
       expect(prepared.body.input).toEqual([
         items[0],
-        { role: "user", content: [{ type: "input_text", text: JSON.stringify(items[1]) }] },
-        { role: "user", content: [{ type: "input_text", text: JSON.stringify(items[2]) }] },
-        { role: "user", content: [{ type: "input_text", text: JSON.stringify(items[3]) }] },
+        { type: "message", role: "user", content: [{ type: "input_text", text: JSON.stringify(items[1]) }] },
+        { type: "message", role: "user", content: [{ type: "input_text", text: JSON.stringify(items[2]) }] },
+        { type: "message", role: "user", content: [{ type: "input_text", text: JSON.stringify(items[3]) }] },
       ])
     }),
   )

packages/ai/test/provider/openai-responses-websocket.recorded.test.ts

@@ -34,6 +34,13 @@ const observationFrame = (observation: ChannelObservation) => {
 
 const terminal = (observation: ChannelObservation) => observation.type !== "frame"
 
+// Whether the model emits an encrypted reasoning item ahead of its reply varies
+// between recordings, so full-context assertions compare the conversation without it.
+const conversation = (body: unknown) => {
+  const input = (body as { input: ReadonlyArray<{ type?: string }> }).input
+  return input.filter((item) => item.type !== "reasoning")
+}
+
 // This channel fixture supports sequential test traffic.
 const makeChannel = Effect.gen(function* () {
   const constructor = yield* Socket.WebSocketConstructor
@@ -167,14 +174,12 @@ describe("OpenAI Responses WebSocket recorded", () => {
       expect(second.text).toBe("Beta.")
       expect(channel.opens()).toBe(2)
       expect(channel.sent[1]).not.toHaveProperty("previous_response_id")
-      expect(channel.sent[1]).toMatchObject({
-        instructions: "Follow the user's exact reply instruction.",
-        input: [
-          { role: "user", content: [{ type: "input_text", text: "Reply exactly: Alpha." }] },
-          { role: "assistant", status: "completed", content: [{ type: "output_text", text: "Alpha." }] },
-          { role: "user", content: [{ type: "input_text", text: "Reply exactly: Beta." }] },
-        ],
-      })
+      expect(channel.sent[1]).toMatchObject({ instructions: "Follow the user's exact reply instruction." })
+      expect(conversation(channel.sent[1])).toMatchObject([
+        { type: "message", role: "user", content: [{ type: "input_text", text: "Reply exactly: Alpha." }] },
+        { role: "assistant", status: "completed", content: [{ type: "output_text", text: "Alpha." }] },
+        { type: "message", role: "user", content: [{ type: "input_text", text: "Reply exactly: Beta." }] },
+      ])
     }),
   )
 
@@ -204,14 +209,12 @@ describe("OpenAI Responses WebSocket recorded", () => {
       expect(channel.opens()).toBe(2)
       expect(channel.sent[1]).toHaveProperty("previous_response_id", expect.any(String))
       expect(channel.sent[2]).not.toHaveProperty("previous_response_id")
-      expect(channel.sent[2]).toMatchObject({
-        instructions: "Follow the user's exact reply instruction.",
-        input: [
-          { role: "user", content: [{ type: "input_text", text: "Reply exactly: Ready." }] },
-          { role: "assistant", status: "completed", content: [{ type: "output_text", text: "Ready." }] },
-          { role: "user", content: [{ type: "input_text", text: "Reply exactly: Recovered." }] },
-        ],
-      })
+      expect(channel.sent[2]).toMatchObject({ instructions: "Follow the user's exact reply instruction." })
+      expect(conversation(channel.sent[2])).toMatchObject([
+        { type: "message", role: "user", content: [{ type: "input_text", text: "Reply exactly: Ready." }] },
+        { role: "assistant", status: "completed", content: [{ type: "output_text", text: "Ready." }] },
+        { type: "message", role: "user", content: [{ type: "input_text", text: "Reply exactly: Recovered." }] },
+      ])
     }),
   )
 })

packages/ai/test/provider/openai-responses.test.ts

@@ -1,5 +1,5 @@
 import { describe, expect } from "bun:test"
-import { ConfigProvider, Effect, Layer, Ref, Schema, Stream } from "effect"
+import { ConfigProvider, Effect, Layer, Logger, Ref, Schema, Stream } from "effect"
 import { Headers, HttpClientRequest } from "effect/unstable/http"
 import {
   LLM,
@@ -141,7 +141,7 @@ describe("OpenAI Responses route", () => {
 
       expect(prepared.body).toEqual({
         model: "gpt-4.1-mini",
-        input: [{ role: "user", content: [{ type: "input_text", text: "Say hello." }] }],
+        input: [{ type: "message", role: "user", content: [{ type: "input_text", text: "Say hello." }] }],
         instructions: "You are concise.",
         store: false,
         include: ["reasoning.encrypted_content"],
@@ -409,8 +409,8 @@ describe("OpenAI Responses route", () => {
       )
 
       expect(prepared.body.input).toEqual([
-        { role: "user", content: [{ type: "input_text", text: "Before." }] },
-        { role: "developer", content: "Operator update." },
+        { type: "message", role: "user", content: [{ type: "input_text", text: "Before." }] },
+        { type: "message", role: "developer", content: "Operator update." },
         { type: "message", role: "assistant", status: "completed", content: [{ type: "output_text", text: "After." }] },
       ])
     }),
@@ -504,7 +504,7 @@ describe("OpenAI Responses route", () => {
       expect(JSON.parse(sent[0])).toEqual({
         type: "response.create",
         model: "gpt-4.1-mini",
-        input: [{ role: "user", content: [{ type: "input_text", text: "Say hello." }] }],
+        input: [{ type: "message", role: "user", content: [{ type: "input_text", text: "Say hello." }] }],
         store: false,
         include: ["reasoning.encrypted_content"],
       })
@@ -592,7 +592,7 @@ describe("OpenAI Responses route", () => {
           type: "response.create",
           model: "gpt-5.2",
           store: false,
-          input: [{ role: "user", content: [{ type: "input_text", text: "Weather?" }] }],
+          input: [{ type: "message", role: "user", content: [{ type: "input_text", text: "Weather?" }] }],
         }
         const first = continuationDriver(firstRequest)
         const firstCreate = yield* first.create(undefined)
@@ -642,7 +642,7 @@ describe("OpenAI Responses route", () => {
         type: "response.create",
         model: "gpt-5.2",
         store: false,
-        input: [{ role: "user", content: [{ type: "input_text", text: "Weather?" }] }],
+        input: [{ type: "message", role: "user", content: [{ type: "input_text", text: "Weather?" }] }],
       }
       const first = continuationDriver(firstRequest)
       const firstCreate = yield* first.create(undefined)
@@ -689,7 +689,7 @@ describe("OpenAI Responses route", () => {
   it.effect("continues a promoted steer after assistant output with response-only text metadata", () =>
     Effect.forEach([undefined, []], (output) =>
       Effect.gen(function* () {
-        const firstInput = [{ role: "user", content: [{ type: "input_text", text: "First" }] }]
+        const firstInput = [{ type: "message", role: "user", content: [{ type: "input_text", text: "First" }] }]
         const first = continuationDriver({ type: "response.create", model: "gpt-5.2", store: false, input: firstInput })
         const create = yield* first.create(undefined)
         yield* first.observe(
@@ -711,7 +711,7 @@ describe("OpenAI Responses route", () => {
             ProviderShared.encodeJson({ type: "response.completed", response: { id: "resp_1", output } }),
           ),
         )
-        const steer = { role: "user", content: [{ type: "input_text", text: "Actually, be brief" }] }
+        const steer = { type: "message", role: "user", content: [{ type: "input_text", text: "Actually, be brief" }] }
         const next = continuationDriver({
           type: "response.create",
           model: "gpt-5.2",
@@ -732,7 +732,7 @@ describe("OpenAI Responses route", () => {
 
   it.effect("continues streamed reasoning when completion re-encrypts the same item", () =>
     Effect.gen(function* () {
-      const firstInput = [{ role: "user", content: [{ type: "input_text", text: "Think" }] }]
+      const firstInput = [{ type: "message", role: "user", content: [{ type: "input_text", text: "Think" }] }]
       const request = { type: "response.create", model: "gpt-5.2", store: false, input: firstInput }
       const reasoning = {
         type: "reasoning",
@@ -760,7 +760,11 @@ describe("OpenAI Responses route", () => {
       )
       const next = continuationDriver({
         ...request,
-        input: [...firstInput, reasoning, { role: "user", content: [{ type: "input_text", text: "Continue" }] }],
+        input: [
+          ...firstInput,
+          reasoning,
+          { type: "message", role: "user", content: [{ type: "input_text", text: "Continue" }] },
+        ],
       })
 
       const continued = yield* next.create(saved)
@@ -768,7 +772,7 @@ describe("OpenAI Responses route", () => {
       expect(continued.mode).toBe("incremental")
       expect(ProviderShared.decodeJson(continued.message)).toMatchObject({
         previous_response_id: "resp_1",
-        input: [{ role: "user", content: [{ type: "input_text", text: "Continue" }] }],
+        input: [{ type: "message", role: "user", content: [{ type: "input_text", text: "Continue" }] }],
       })
       const edited = yield* continuationDriver({
         ...request,
@@ -785,7 +789,7 @@ describe("OpenAI Responses route", () => {
         model: "gpt-5.2",
         store: false,
         metadata: { source: "one" },
-        input: [{ role: "user", content: [{ type: "input_text", text: "First" }] }],
+        input: [{ type: "message", role: "user", content: [{ type: "input_text", text: "First" }] }],
       }
       const first = continuationDriver(request)
       const create = yield* first.create(undefined)
@@ -795,7 +799,10 @@ describe("OpenAI Responses route", () => {
           ProviderShared.encodeJson({ type: "response.completed", response: { id: "resp_1" } }),
         ),
       )
-      const appended = [...request.input, { role: "user", content: [{ type: "input_text", text: "Second" }] }]
+      const appended = [
+        ...request.input,
+        { type: "message", role: "user", content: [{ type: "input_text", text: "Second" }] },
+      ]
       const changes = [
         { ...request, model: "gpt-5.3", input: appended },
         { ...request, instructions: "Changed", input: appended },
@@ -804,7 +811,10 @@ describe("OpenAI Responses route", () => {
         { ...request, metadata: { source: "two" }, input: appended },
         {
           ...request,
-          input: [{ role: "user", content: [{ type: "input_text", text: "Rewritten history" }] }, appended[1]],
+          input: [
+            { type: "message", role: "user", content: [{ type: "input_text", text: "Rewritten history" }] },
+            appended[1],
+          ],
         },
       ]
 
@@ -888,7 +898,7 @@ describe("OpenAI Responses route", () => {
         type: "response.create",
         model: "gpt-5.2",
         store: false,
-        input: [{ role: "user", content: [{ type: "input_text", text: "First" }] }],
+        input: [{ type: "message", role: "user", content: [{ type: "input_text", text: "First" }] }],
       }
       const first = continuationDriver(firstRequest, classifyingChannelDriver)
       const saved = checkpoint(
@@ -900,7 +910,10 @@ describe("OpenAI Responses route", () => {
       const second = continuationDriver(
         {
           ...firstRequest,
-          input: [...firstRequest.input, { role: "user", content: [{ type: "input_text", text: "Second" }] }],
+          input: [
+            ...firstRequest.input,
+            { type: "message", role: "user", content: [{ type: "input_text", text: "Second" }] },
+          ],
         },
         classifyingChannelDriver,
       )
@@ -947,11 +960,14 @@ describe("OpenAI Responses route", () => {
         model: "grok-4.6",
         store: true,
         instructions: "You are terse.",
-        input: [{ role: "user", content: [{ type: "input_text", text: "First" }] }],
+        input: [{ type: "message", role: "user", content: [{ type: "input_text", text: "First" }] }],
       }
       const secondRequest = {
         ...firstRequest,
-        input: [...firstRequest.input, { role: "user", content: [{ type: "input_text", text: "Second" }] }],
+        input: [
+          ...firstRequest.input,
+          { type: "message", role: "user", content: [{ type: "input_text", text: "Second" }] },
+        ],
       }
       const saved = checkpoint(
         yield* continuationDriver(firstRequest).observe(
@@ -971,7 +987,7 @@ describe("OpenAI Responses route", () => {
         model: "grok-4.6",
         store: true,
         previous_response_id: "resp_1",
-        input: [{ role: "user", content: [{ type: "input_text", text: "Second" }] }],
+        input: [{ type: "message", role: "user", content: [{ type: "input_text", text: "Second" }] }],
       })
 
       // Declining the continuation sends the step in full and never sends a previous_response_id.
@@ -1082,7 +1098,9 @@ describe("OpenAI Responses route", () => {
       )
 
       const expected = {
-        input: [{ role: "user", content: [{ type: "input_text", text: "Say \uFFFDhello \u{1F600}." }] }],
+        input: [
+          { type: "message", role: "user", content: [{ type: "input_text", text: "Say \uFFFDhello \u{1F600}." }] },
+        ],
         metadata: { source: "overlay\uFFFD" },
       }
       expect(JSON.parse(yield* Ref.get(message))).toMatchObject(expected)
@@ -1124,7 +1142,9 @@ describe("OpenAI Responses route", () => {
     }),
   )
 
-  it.effect("builds Azure WebSocket requests with v1 URLs and bearer auth", () =>
+  // Azure's WebSocket upgrade accepts the same credential header as HTTP: `api-key` for keys,
+  // `Authorization: Bearer` for Entra tokens. Rewriting a key into a bearer is rejected.
+  it.effect("builds Azure WebSocket requests with v1 URLs and the route's auth header", () =>
     Effect.gen(function* () {
       const deps = Layer.succeed(
         RequestExecutor.Service,
@@ -1133,13 +1153,13 @@ describe("OpenAI Responses route", () => {
       const cases = [
         {
           model: Azure.configure({ resourceName: "opencode-test", apiKey: "azure-key" }).responses("deployment"),
-          authorization: "Bearer azure-key",
+          headers: { "api-key": "azure-key", authorization: undefined },
         },
         {
           model: Azure.configure({ resourceName: "opencode-test", auth: Auth.bearer("entra-token") }).responses(
             "deployment",
           ),
-          authorization: "Bearer entra-token",
+          headers: { "api-key": undefined, authorization: "Bearer entra-token" },
         },
       ]
 
@@ -1150,8 +1170,8 @@ describe("OpenAI Responses route", () => {
               Effect.gen(function* () {
                 expect(exchange.connect.url).toBe("wss://opencode-test.openai.azure.com/openai/v1/responses")
                 expect(exchange.connect.rotateAfterMs).toBe(55 * 60 * 1000)
-                expect(exchange.connect.headers.authorization).toBe(item.authorization)
-                expect(exchange.connect.headers["api-key"]).toBeUndefined()
+                expect(exchange.connect.headers.authorization).toBe(item.headers.authorization)
+                expect(exchange.connect.headers["api-key"]).toBe(item.headers["api-key"])
                 expect(exchange.connect.headers["openai-beta"]).toBeUndefined()
                 expect(JSON.parse((yield* exchange.driver.create(undefined)).message)).toMatchObject({
                   type: "response.create",
@@ -1199,6 +1219,11 @@ describe("OpenAI Responses route", () => {
         },
       ]
 
+      const warnings: string[] = []
+      const logger = Logger.make((entry) => {
+        if (entry.logLevel !== "Warn") return
+        warnings.push(String(Array.isArray(entry.message) ? entry.message[0] : entry.message))
+      })
       yield* Effect.forEach(cases, (item) =>
         LLMClient.generate(LLM.request({ model: item.model, prompt: "Say hello." }), {
           webSocket: { execute: () => Effect.die("unexpected WebSocket request") },
@@ -1214,6 +1239,9 @@ describe("OpenAI Responses route", () => {
             ),
           ),
         ),
+      ).pipe(Effect.provide(Logger.layer([logger])))
+      expect(warnings).toEqual(
+        cases.map(() => "Azure OpenAI Responses does not offer WebSocket for this endpoint; using HTTP"),
       )
     }),
   )
@@ -1513,7 +1541,7 @@ describe("OpenAI Responses route", () => {
       expect(prepared.body).toEqual({
         model: "gpt-4.1-mini",
         input: [
-          { role: "user", content: [{ type: "input_text", text: "What is the weather?" }] },
+          { type: "message", role: "user", content: [{ type: "input_text", text: "What is the weather?" }] },
           { type: "function_call", call_id: "call_1", name: "lookup", arguments: '{"query":"weather"}' },
           { type: "function_call_output", call_id: "call_1", output: '{"forecast":"sunny"}' },
         ],
@@ -1829,6 +1857,7 @@ describe("OpenAI Responses route", () => {
         instructions: "You are concise. Continue from the provided history.",
         input: [
           {
+            type: "message",
             role: "user",
             content: [
               { type: "input_text", text: "What is shown here?" },
@@ -1841,11 +1870,16 @@ describe("OpenAI Responses route", () => {
             summary: [{ type: "summary_text", text: "I inspected the previous turn." }],
           },
           { role: "assistant", content: [{ type: "output_text", text: "It shows a small test image." }] },
-          { role: "user", content: [{ type: "input_text", text: "Check the weather in Paris before continuing." }] },
+          {
+            type: "message",
+            role: "user",
+            content: [{ type: "input_text", text: "Check the weather in Paris before continuing." }],
+          },
           { type: "function_call", call_id: "call_weather_1", name: "get_weather", arguments: '{"city":"Paris"}' },
           { type: "function_call_output", call_id: "call_weather_1", output: '{"temperature":22}' },
           { role: "assistant", content: [{ type: "output_text", text: "Paris is 22 degrees." }] },
           {
+            type: "message",
             role: "user",
             content: [{ type: "input_text", text: "Continue from this conversation in one short sentence." }],
           },
@@ -3354,7 +3388,7 @@ describe("OpenAI Responses route", () => {
               const body = yield* Effect.promise(() => web.json())
               expect(body).toMatchObject({
                 input: [
-                  { role: "user", content: [{ type: "input_text", text: "What changed?" }] },
+                  { type: "message", role: "user", content: [{ type: "input_text", text: "What changed?" }] },
                   {
                     type: "reasoning",
                     id: "rs_1",
@@ -3362,7 +3396,7 @@ describe("OpenAI Responses route", () => {
                     summary: [{ type: "summary_text", text: "Checked the previous diff." }],
                   },
                   { role: "assistant", content: [{ type: "output_text", text: "The parser changed." }] },
-                  { role: "user", content: [{ type: "input_text", text: "Summarize it." }] },
+                  { type: "message", role: "user", content: [{ type: "input_text", text: "Summarize it." }] },
                 ],
               })
               return input.respond(
@@ -3487,7 +3521,7 @@ describe("OpenAI Responses route", () => {
 
       expect(prepared.body.input).toEqual([
         item,
-        { role: "user", content: [{ type: "input_text", text: "Continue." }] },
+        { type: "message", role: "user", content: [{ type: "input_text", text: "Continue." }] },
       ])
     }),
   )
@@ -3524,9 +3558,9 @@ describe("OpenAI Responses route", () => {
       )
 
       expect(prepared.body.input).toEqual([
-        { role: "user", content: [{ type: "input_text", text: "Search." }] },
+        { type: "message", role: "user", content: [{ type: "input_text", text: "Search." }] },
         { type: "web_search_call", id: "ws_1", status: "completed" },
-        { role: "user", content: [{ type: "input_text", text: "Continue." }] },
+        { type: "message", role: "user", content: [{ type: "input_text", text: "Continue." }] },
       ])
     }),
   )
@@ -3556,8 +3590,8 @@ describe("OpenAI Responses route", () => {
 
       expect(prepared.body.input).toEqual([
         items[0],
-        { role: "user", content: [{ type: "input_text", text: JSON.stringify(items[1]) }] },
-        { role: "user", content: [{ type: "input_text", text: JSON.stringify(items[2]) }] },
+        { type: "message", role: "user", content: [{ type: "input_text", text: JSON.stringify(items[1]) }] },
+        { type: "message", role: "user", content: [{ type: "input_text", text: JSON.stringify(items[2]) }] },
       ])
     }),
   )
@@ -3594,10 +3628,11 @@ describe("OpenAI Responses route", () => {
 
       expect(prepared.body.input).toEqual([
         {
+          type: "message",
           role: "user",
           content: [{ type: "input_text", text: '{"type":"web_search_call","id":"ws_1","status":"completed"}' }],
         },
-        { role: "user", content: [{ type: "input_text", text: "Continue." }] },
+        { type: "message", role: "user", content: [{ type: "input_text", text: "Continue." }] },
       ])
     }),
   )
@@ -3624,6 +3659,7 @@ describe("OpenAI Responses route", () => {
 
       expect(prepared.body.input).toEqual([
         {
+          type: "message",
           role: "user",
           content: [{ type: "input_text", text: '{"type":"web_search_call","id":"ws_other","status":"completed"}' }],
         },
@@ -3760,6 +3796,7 @@ describe("OpenAI Responses route", () => {
       expect(prepared.body.input).toEqual([
         { type: "web_search_call", id: "ws_1", status: "completed" },
         {
+          type: "message",
           role: "user",
           content: [{ type: "input_text", text: '{"type":"web_search_call","id":"bad ref","status":"completed"}' }],
         },
@@ -3802,9 +3839,9 @@ describe("OpenAI Responses route", () => {
 
       expect(prepared.body.store).toBe(false)
       expect(prepared.body.input).toEqual([
-        { role: "user", content: [{ type: "input_text", text: "Generate a black triangle." }] },
-        { role: "user", content: [{ type: "input_image", image_url: "data:image/png;base64,AQID" }] },
-        { role: "user", content: [{ type: "input_text", text: "Make it blue." }] },
+        { type: "message", role: "user", content: [{ type: "input_text", text: "Generate a black triangle." }] },
+        { type: "message", role: "user", content: [{ type: "input_image", image_url: "data:image/png;base64,AQID" }] },
+        { type: "message", role: "user", content: [{ type: "input_text", text: "Make it blue." }] },
       ])
     }),
   )
@@ -3841,7 +3878,7 @@ describe("OpenAI Responses route", () => {
       )
 
       expect(prepared.body.input).toEqual([
-        { role: "user", content: [{ type: "input_image", image_url: "data:image/png;base64,AQID" }] },
+        { type: "message", role: "user", content: [{ type: "input_image", image_url: "data:image/png;base64,AQID" }] },
       ])
     }),
   )
@@ -3913,7 +3950,7 @@ describe("OpenAI Responses route", () => {
 
       expect(prepared.body).toMatchObject({
         input: [
-          { role: "user", content: [{ type: "input_text", text: "What changed?" }] },
+          { type: "message", role: "user", content: [{ type: "input_text", text: "What changed?" }] },
           {
             type: "reasoning",
             id: "rs_1",
@@ -3921,7 +3958,7 @@ describe("OpenAI Responses route", () => {
             encrypted_content: null,
           },
           { role: "assistant", content: [{ type: "output_text", text: "The parser changed." }] },
-          { role: "user", content: [{ type: "input_text", text: "Summarize it." }] },
+          { type: "message", role: "user", content: [{ type: "input_text", text: "Summarize it." }] },
         ],
         store: false,
       })
@@ -4594,8 +4631,20 @@ describe("OpenAI Responses route", () => {
         compileRequest(LLM.request({ model, messages: [response.message], providerOptions: { store } })),
       )
       expect(prepared.map((request) => request.body.input)).toEqual([
-        [{ role: "user", content: [{ type: "input_image", image_url: "data:image/png;base64,AQID" }] }],
-        [{ role: "user", content: [{ type: "input_image", image_url: "data:image/png;base64,AQID" }] }],
+        [
+          {
+            type: "message",
+            role: "user",
+            content: [{ type: "input_image", image_url: "data:image/png;base64,AQID" }],
+          },
+        ],
+        [
+          {
+            type: "message",
+            role: "user",
+            content: [{ type: "input_image", image_url: "data:image/png;base64,AQID" }],
+          },
+        ],
       ])
     }),
   )
@@ -4629,6 +4678,7 @@ describe("OpenAI Responses route", () => {
       )
       expect(prepared.body.input).toEqual([
         {
+          type: "message",
           role: "user",
           content: [{ type: "input_text", text: '{"code":"search_failed","message":"Search unavailable"}' }],
         },
@@ -4712,6 +4762,7 @@ describe("OpenAI Responses route", () => {
 
       expect(prepared.body.input).toEqual([
         {
+          type: "message",
           role: "user",
           content: [
             { type: "input_image", image_url: "data:image/png;base64,AAECAw==" },
@@ -4744,6 +4795,7 @@ describe("OpenAI Responses route", () => {
 
       expect(prepared.body.input).toEqual([
         {
+          type: "message",
           role: "user",
           content: [
             {
@@ -4769,6 +4821,7 @@ describe("OpenAI Responses route", () => {
 
       expect(prepared.body.input).toEqual([
         {
+          type: "message",
           role: "user",
           content: [
             {
@@ -4803,6 +4856,7 @@ describe("OpenAI Responses route", () => {
 
       expect(prepared.body.input).toEqual([
         {
+          type: "message",
           role: "user",
           content: [
             { type: "input_image", image_url: "https://example.com/image.png" },

packages/ai/test/provider/xai-responses.test.ts

@@ -193,7 +193,7 @@ describe("xAI Responses route", () => {
       expect(prepared.body.input).toEqual([
         items[0],
         items[1],
-        { role: "user", content: [{ type: "input_text", text: JSON.stringify(items[2]) }] },
+        { type: "message", role: "user", content: [{ type: "input_text", text: JSON.stringify(items[2]) }] },
       ])
     }),
   )
@@ -252,7 +252,7 @@ describe("xAI Responses route", () => {
         store: true,
         include: ["reasoning.encrypted_content"],
         previous_response_id: "resp_1",
-        input: [{ role: "user", content: [{ type: "input_text", text: "Second" }] }],
+        input: [{ type: "message", role: "user", content: [{ type: "input_text", text: "Second" }] }],
       })
 
       // The connection cache only serves stored responses, so the default store: false never chains.
@@ -262,8 +262,8 @@ describe("xAI Responses route", () => {
         instructions: "You are terse.",
         store: false,
         input: [
-          { role: "user", content: [{ type: "input_text", text: "First" }] },
-          { role: "user", content: [{ type: "input_text", text: "Second" }] },
+          { type: "message", role: "user", content: [{ type: "input_text", text: "First" }] },
+          { type: "message", role: "user", content: [{ type: "input_text", text: "Second" }] },
         ],
       })
       expect(JSON.parse(unstored.message).previous_response_id).toBeUndefined()

packages/app/e2e/regression/session-summary.spec.ts

@@ -23,6 +23,7 @@ for (const custom of [false, true]) {
     await page.goto(stressSessionHref(fixture.sourceID))
     const trigger = page.getByRole("button", { name: "Session details", exact: true })
     const summary = page.getByRole("dialog", { name: "Session details", exact: true })
+    await expect(page.locator('[data-component="composer-editor"]')).toBeEditable()
     await expect(trigger).toBeEnabled()
     await trigger.hover()
     const tooltip = page.getByRole("tooltip")

packages/app/e2e/regression/terminal-hidden.spec.ts

@@ -278,7 +278,11 @@ async function installMotionProbe(page: Page) {
           probe.resetAnchorOnMotion = false
         }
         probe.terminalAnchorGaps.push(anchorGap)
-        if (panelGap && terminalRegion.getBoundingClientRect().height > 1)
+        if (
+          panelGap &&
+          reviewRegion.getBoundingClientRect().height > 1 &&
+          terminalRegion.getBoundingClientRect().height > 1
+        )
           probe.panelGaps.push(panelGap.getBoundingClientRect().height)
         if (!review) return
         probe.paintGaps.push({

packages/cli/script/service-smoke.ts

@@ -33,7 +33,7 @@ const processes: Array<ReturnType<typeof Bun.spawn>> = []
 const errors: Array<Promise<string>> = []
 let failure: unknown
 try {
-  await fs.mkdir(path.join(root, ".opencode"))
+  await fs.mkdir(path.join(root, ".opencode", "plugins"), { recursive: true })
   spawnService()
   spawnService()
   const registration = await waitForRegistration()
@@ -54,7 +54,6 @@ try {
   if (tokenOpenApi.status !== 200) throw new Error("Compiled application rejected query authentication")
   if ((await pluginIDs(info.url, headers)).includes("smoke")) throw new Error("Smoke plugin existed before creation")
   const plugin = path.join(root, ".opencode", "plugins", "smoke.ts")
-  await fs.mkdir(path.dirname(plugin), { recursive: true })
   await fs.writeFile(plugin, pluginSource())
   await waitForPlugin(info.url, headers)
 

packages/client/src/promise/generated/types.ts

@@ -206,12 +206,9 @@ export type ModelMaxTokensField = "max_completion_tokens" | "max_tokens"
 
 export type ProviderCompaction = { mode: "local" } | { mode: "provider"; threshold?: number }
 
-export type ModelCapabilities = {
-  tools: boolean
-  input: Array<string>
-  output: Array<string>
-  responsesWebsockets?: boolean
-}
+export type ProviderTransport = "http" | "websocket"
+
+export type ModelCapabilities = { tools: boolean; input: Array<string>; output: Array<string> }
 
 export type ModelVariant = {
   id: string
@@ -1345,6 +1342,7 @@ export type ModelCompatibility = {
   maxTokensField?: ModelMaxTokensField
   requireFinishReason?: boolean
   requireAssistantAfterTool?: boolean
+  supportsPromptCacheKey?: boolean
 }
 
 export type ProviderInfo = {
@@ -1355,7 +1353,7 @@ export type ProviderInfo = {
   activation: "auto" | "enabled" | "disabled"
   package: string
   compaction?: ProviderCompaction
-  websocket?: boolean
+  transport?: ProviderTransport
   settings?: { [x: string]: any }
   headers?: { [x: string]: string }
   body?: { [x: string]: any }
@@ -1818,7 +1816,7 @@ export type ModelInfo = {
   compatibility?: ModelCompatibility
   package?: string
   compaction?: ProviderCompaction
-  websocket?: boolean
+  transport?: ProviderTransport
   settings?: { [x: string]: any }
   headers?: { [x: string]: string }
   body?: { [x: string]: any }
@@ -2014,6 +2012,7 @@ export type ConfigEntry =
                         scope?: string
                         callback_port?: number
                         redirect_uri?: string
+                        auth_server_metadata_url?: string
                       }
                     | false
                   disabled?: boolean
@@ -2049,7 +2048,7 @@ export type ConfigEntry =
         providers?: {
           [x: string]: {
             compaction?: ProviderCompaction
-            websocket?: boolean
+            transport?: ProviderTransport
             canonical?: string
             name?: string
             env?: Array<string>
@@ -2060,7 +2059,7 @@ export type ConfigEntry =
             models?: {
               [x: string]: {
                 compaction?: ProviderCompaction
-                websocket?: boolean
+                transport?: ProviderTransport
                 modelID?: string
                 family?: string
                 name?: string
@@ -4669,6 +4668,7 @@ export type McpAddInput = {
                 readonly scope?: string
                 readonly callback_port?: number
                 readonly redirect_uri?: string
+                readonly auth_server_metadata_url?: string
               }
             | false
           readonly disabled?: boolean

packages/codemode/README.md

@@ -97,6 +97,26 @@ input; `onToolCallEnd` observes settled outcomes and duration. Both hooks return
 `Values.RegExp`, `Values.Map`, `Values.Set`, and `Values.Promise`. The interpreter recognizes these by class; a
 program's `new URL(...)` is a `Values.URL` wrapping the host `URL`. `Values.isValue` narrows to the data-like kinds.
 
+### `Extension.make` and `Web.make`
+
+An extension is a set of named host functions installed as globals. Arguments arrive as copies, results return as
+copies, and a function inside a result is callable the same way. Extension calls are not tool calls and are not shown
+in the tool catalog, so hosts describe them in their own instructions.
+
+`Web.make` is the built-in outbound HTTP extension. Nothing is reachable unless a host lists it:
+
+```ts
+const runtime = CodeMode.make({
+  extensions: [Web.make({ allow: ["https://api.example.com"], methods: ["GET", "POST"], maxBodyBytes: 1_048_576 })],
+})
+// program: const res = await fetch("https://api.example.com/users"); return await res.json()
+```
+
+`fetch(url, init?)` accepts `method`, `headers`, and a `string`, `Uint8Array`, or `URLSearchParams` body, and
+resolves to `{ url, status, statusText, ok, redirected, headers: { get, has, entries }, text(), json(), bytes() }`.
+Every redirect hop is checked against `allow`, bodies larger than `maxBodyBytes` are refused, and `timeoutMs` bounds
+the whole request. `Web.signature` is the model-facing signature for host instructions.
+
 ### OpenAPI tools
 
 `OpenAPI.fromSpec` converts an OpenAPI 3.x document into one tool per supported operation. Dotted `operationId` values

packages/codemode/interpreter-support.md

@@ -19,15 +19,17 @@ ultimate source of truth. Upstream test262 files run verbatim from `test/test262
       TypeScript is transpiled first; the emitted JavaScript must still use the supported subset.
 - [x] Top-level `await` and `return` through the program's implicit async-function scope.
 - [x] Explicit `return`, final top-level expression as a REPL-style result, and `null` when no value is produced.
-- [x] Program results use JSON-like boundaries, with `undefined` and non-finite numbers normalized to `null`. Tool
-      arguments follow JSON serialization semantics before their schema applies (see the tools section). Own
-      `__proto__` keys are dropped wherever a host object crosses to the host, so merging tool inputs or results
-      cannot replace a prototype; `JSON.stringify` still emits the key, like JS, since a string cannot pollute.
-- [x] Values `JSON.stringify` would flatten to `{}` cross the host boundary in a useful form instead: a Set as an
-      array, a RegExp as `"/source/flags"`, a URLSearchParams as its query string. A Map still crosses as `{}`.
-      Functions, generators, promises, and extension handles are rejected with a hint. In-program `JSON.stringify`
-      keeps JS behavior for all of these.
-- [x] Live Date, RegExp, Map, Set, URL, and URLSearchParams values inside CodeMode.
+- [x] The host boundary is `JSON.stringify` plus a short table. The program result and tool arguments cross as
+      what `JSON.stringify` would serialize: `toJSON` is honored, functions and `undefined` properties vanish,
+      `undefined` array elements and non-finite numbers become `null`, a cyclic value throws the same `TypeError`,
+      and Map, RegExp, and generators serialize as `{}`. A bare `undefined` result is `null`.
+      Tool results come back the way `JSON.parse(JSON.stringify(result))` would. The table, where a value cannot
+      be JSON but what the program meant is clear: a promise is awaited (a rejection fails the program), a Set
+      crosses as an array, a URLSearchParams as its query string, an Error as `{ name, message, ...own }`, a
+      Uint8Array is rejected with a hint to encode as text, and own `__proto__` keys are dropped so merging tool
+      inputs or results cannot replace a prototype. In-program `JSON.stringify` keeps JS behavior except for the
+      Error form and a promise, which is a `TypeError` with an await hint rather than a silent `{}`.
+- [x] Live Date, RegExp, Map, Set, URL, URLSearchParams, and Uint8Array values inside CodeMode.
 - [x] Tool calls through the host-provided `tools` tree only.
 - [x] The global `search(...)` built-in: synchronous tool discovery that counts as an admitted tool call and is
       shadowable by program declarations like other globals.
@@ -190,7 +192,7 @@ ultimate source of truth. Upstream test262 files run verbatim from `test/test262
 - [x] Prefix and postfix `++` and `--`.
 - [x] Plain, arithmetic, bitwise, and logical assignment operators.
 - [x] Property deletion on plain data objects and arrays, including computed and optional forms; deleting an array index
-      creates a hole without changing its length. Deleting a non-configurable property (`length`, `lastIndex`) or
+      creates a hole without changing its length. Deleting a non-configurable property (`length`) or
       assigning a read-only one (`Math.PI`, `fn.name`) throws a `TypeError`, as in strict mode.
 - [ ] Operators, `switch` discriminants, template interpolation, and coercion helpers such as `String` and `isNaN`
       applied to functions and namespaces; JavaScript coerces them, the interpreter rejects non-data operands.
@@ -231,8 +233,8 @@ ultimate source of truth. Upstream test262 files run verbatim from `test/test262
       callables that settle the promise exactly once (they may escape the executor and settle later); an executor
       throw rejects unless the promise already settled, resolving with a promise or callable thenable adopts it, and
       resolving with the promise itself rejects with a `TypeError`. Resolver callables work anywhere callbacks are
-      accepted, including `.then`/`.catch` handlers and collection callbacks, but remain opaque references that cannot
-      cross the data boundary.
+      accepted, including `.then`/`.catch` handlers and collection callbacks, and vanish at the data boundary like
+      any function.
 - [x] Recursive assimilation of objects with an own callable `then` field across `Promise.resolve`, combinators,
       constructors, reactions, `finally`, `await`, and async returns. Thenable methods run deferred, receive
       first-call-wins resolve/reject functions, and ignore throws after settlement. Inherited/accessor `then` fields
@@ -240,11 +242,9 @@ ultimate source of truth. Upstream test262 files run verbatim from `test/test262
 - [x] Dotted tool names are canonicalized into namespace paths; a path can be both callable and a namespace, and the
       last tool supplied for a canonical path wins.
 - [x] Tool path segments may be named `constructor`, `prototype`, or `__proto__` because paths use inert Map keys.
-- [x] Outbound tool arguments follow JSON serialization semantics, like `JSON.stringify`: object properties with
-      `undefined` values are dropped, `undefined` array elements and non-finite numbers become `null`, and sparse
-      arrays densify. Tools never receive `undefined` inside their input object, though a bare `tools.t(undefined)`
-      argument still reaches schema decoding as `undefined`. Program results keep the stricter
-      normalization where every `undefined` becomes `null`.
+- [x] Outbound tool arguments are what `JSON.stringify` would serialize (see the boundary rule above). Tools never
+      receive `undefined` inside their input object, though a bare `tools.t(undefined)` argument still reaches schema
+      decoding as `undefined`.
 - [ ] Tokenize and case-fold non-ASCII tool paths, descriptions, and queries for tool search.
 
 ## Objects and properties
@@ -394,7 +394,9 @@ ultimate source of truth. Upstream test262 files run verbatim from `test/test262
       `unicodeSets`, and `dotAll`.
 - [x] Captures, named groups, match `.index` and `.input`, and stateful global matching.
 - [x] Integration with supported String methods, including function replacers.
-- [x] Writable `lastIndex`.
+- [x] Writable `lastIndex`, shared by `exec`, `test`, and the String methods. It is a prototype accessor that stores
+      a number, so `re.lastIndex = "12"` reads back `12`, `delete` is a no-op, and `hasOwnProperty("lastIndex")` is
+      `false`.
 - [x] Match `indices` metadata for the `d` flag, including named groups on `exec`, `match`, and `matchAll` results.
 - [x] `RegExp.escape`.
 
@@ -424,39 +426,68 @@ ultimate source of truth. Upstream test262 files run verbatim from `test/test262
       `entries`, `toString`, and `size`.
 - [x] URL values serialize to their href; URLSearchParams serialize to `{}`.
 
+## Uint8Array
+
+The only binary type. Bytes stay inside the program or cross to extensions as copies; the tool boundary rejects them
+with a hint to encode as text first (`TextDecoder`, `toBase64`, `toHex`).
+
+- [x] `new Uint8Array(length | array | iterable | Uint8Array)`, `Uint8Array.from`, `Uint8Array.of`, `fromBase64`,
+      and `fromHex`. Lengths are capped like arrays.
+- [x] Index reads and writes with JS byte semantics: values wrap modulo 256, out-of-range writes are ignored, indexes
+      cannot be deleted. `length` is a prototype accessor, so `Object.keys` lists only indexes.
+- [x] `at`, `slice`, `subarray` (a view on the same bytes), `set`, `fill`, `reverse`, `indexOf`, `lastIndexOf`,
+      `includes`, `join`, `toString`, `toBase64`, `toHex`, and materialized `keys`, `values`, and `entries` arrays.
+- [x] Spread, destructuring, `for...of`, `yield*`, `Array.from`, and `new Set(bytes)`. `Array.isArray` is false.
+- [x] String coercion joins with commas; `JSON.stringify` gives `{"0":1,...}`; `console.log` prints
+      `Uint8Array(n) [...]`.
+- [ ] Callback methods (`forEach`, `map`, `filter`, `find`, `reduce`, ...); use `Array.from(bytes, fn)` meanwhile.
+- [ ] `ArrayBuffer`, `DataView`, and other typed arrays.
+
 ## Web platform helpers
 
 - [x] `atob` and `btoa` with forgiving-base64 decoding and WebIDL string conversion; invalid input throws a
       `TypeError`, since there is no `DOMException`.
-- [x] `crypto.randomUUID()`.
-- [ ] `crypto.getRandomValues` and `crypto.subtle`, `TextEncoder`/`TextDecoder`, and `Blob`: these need a binary
-      value type, which the JSON-like data model does not have yet.
+- [x] `crypto.randomUUID()` and `crypto.getRandomValues(uint8Array)`.
+- [x] `TextEncoder` and `TextDecoder` for UTF-8 only: any other label is a `RangeError`. `TextDecoder` accepts the
+      `fatal` and `ignoreBOM` options; `decode` takes a Uint8Array or nothing.
+- [ ] `crypto.subtle`, `Blob`, and `TextDecoder` streaming or non-UTF-8 encodings.
 
 ## Extensions
 
-Host classes and functions a host opts in through `Extension.make({ name, globals })` and `CodeMode.make({ extensions })`.
+Host functions a host opts in through `Extension.make({ name, globals })` and `CodeMode.make({ extensions })`.
 Nothing is exposed unless a host provides it; extension calls are not tool calls.
 
-- [x] Each global is a class or a function, exposed as-is: constructors with `new`, prototype methods, accessors,
-      and statics (including through an exposed subclass, so `new this()` works), plus inheritance
-      up to the nearest exposed ancestor. A global that shadows a built-in or another extension throws at `make`.
-- [x] Instances of exposed classes stay on the host; the program holds a handle whose only members are the class's.
-      The same host instance is always the same handle within a run, so identity and `instanceof` hold. Handles
-      cannot cross the data boundary: returning, stringifying, throwing, or passing one to a tool fails.
+- [x] Each global is a function, callable but not constructible, run with `this` undefined. A global that shadows
+      a built-in or another extension throws at `make`.
 - [x] Every value crossing in either direction is converted, never shared: plain objects and arrays are copied,
-      `Date`, `RegExp`, `URL`, `URLSearchParams`, `Map`, and `Set` become fresh copies with their contents converted,
+      `Date`, `RegExp`, `URL`, `URLSearchParams`, `Map`, `Set`, and `Uint8Array` become fresh copies with their
+      contents converted (a host `ArrayBuffer` comes in as a `Uint8Array`; other typed arrays cannot come out),
       errors cross as errors with their name and message, and a `__proto__` key is dropped. Functions, generators,
-      un-awaited promises, and symbols cannot be passed in; an instance of an unexposed class, a symbol, or a BigInt
-      cannot come out.
+      un-awaited promises, and symbols cannot be passed in; a class instance, a symbol, or a BigInt cannot come out.
+- [x] A host function inside a result becomes a program function whose calls cross the same way, so a result can
+      carry methods (`res.json()`) whose host closures keep the host state. Diagnostics name it by its path
+      (`fetch.json`). Like any program function it vanishes at the data boundary.
 - [x] A host `Promise` becomes a program promise. Whatever host code returns, resolves, throws, or rejects with
       crosses the same way, so `catch (e)` receives a copy of the thrown value (an `Error` of the matching type, or
-      plain data). A getter must be synchronous.
-- [x] A prototype member runs only with a handle of its own class as `this`; a detached call, a plain object, or a
-      handle of another class throws `TypeError: Illegal invocation`. Program edits to an exposed prototype affect
-      that run only. Data properties on a class or prototype are not exposed, since a program write would change the
-      host class itself; expose one through an accessor.
+      plain data).
 - [ ] Program functions as arguments to extension code (callbacks such as `forEach`).
-- [ ] Binary values (`Uint8Array`, `ArrayBuffer`) at the extension boundary; needs the binary value type above.
+- [ ] Host classes. Stateful host objects are expressed as closures; a declared method table would be the next
+      step if `new X()` in a program is ever needed.
+
+### Web
+
+`Web.make({ allow, methods, maxBodyBytes, timeoutMs })` is an extension exposing `fetch`. It is unavailable unless a
+host provides it.
+
+- [x] `fetch(url, init?)` with `method`, `headers` (record or pairs), and a `string`, `Uint8Array`, or
+      `URLSearchParams` body. The response is a plain object: `url`, `status`, `statusText`, `ok`, `redirected`,
+      `headers.get/has/entries`, and `text()`, `json()`, `bytes()` over the fully read body.
+- [x] Policy is enforced before any request: origins outside `allow` (or `"*"`), methods outside `methods` (default
+      `GET`, `HEAD`), non-http(s) URLs, and unsupported `init` keys (`signal`, `credentials`, ...) throw a
+      `TypeError` naming the problem. Redirects are followed by hand with each hop checked against `allow`, at most
+      five hops; 303 and 301/302-after-POST switch to GET like browsers. Bodies over `maxBodyBytes` throw a
+      `RangeError`; `timeoutMs` bounds the whole request.
+- [ ] `Headers`, `Response`, and `Request` as runtime types; streaming bodies; `AbortSignal`; `FormData`; `Blob`.
 
 ## Errors and diagnostics
 

packages/codemode/src/codemode.ts

@@ -37,7 +37,7 @@ export type ResolvedExecutionLimits = {
 export type Options<Provided extends Record<string, unknown> = {}> = ToolRuntime.ToolCallHooks<Services<Provided>> & {
   /** Explicit tools exposed to the program as `tools`. */
   tools?: Provided & Tools<Services<Provided>>
-  /** Host classes and functions exposed as globals; see `Extension.make`. */
+  /** Host functions exposed as globals; see `Extension.make`. */
   extensions?: ReadonlyArray<Extension>
   /** Resource limits enforced on each execution. */
   limits?: ExecutionLimits
@@ -148,6 +148,6 @@ export const make = <const Provided extends Record<string, unknown> = {}>(
   }
   return {
     catalog: prepared.catalog,
-    execute: (code) => executeProgram(code, prepared, limits, options, (host) => extensionGlobals(host, extensions)),
+    execute: (code) => executeProgram(code, prepared, limits, options, (ctx) => extensionGlobals(ctx, extensions)),
   }
 }

packages/codemode/src/data.ts

@@ -1,229 +1,115 @@
 export * as Data from "./data.js"
 
-import type { DiagnosticKind } from "./codemode.js"
-import type { Prototypes } from "./interpreter/intrinsics.js"
+import { Effect, type Schema } from "effect"
+import type { Interpreter } from "./interpreter/interpreter.js"
+import { MAX_VALUE_DEPTH } from "./interpreter/limits.js"
+import { invalidData, rangeError, typeError } from "./interpreter/model.js"
 import {
+  Arr,
+  Bytes,
   Callable,
   define,
-  entries,
+  ErrorObj,
   get,
-  isWrapper,
-  parseArrayIndex,
-  ProgramArray,
-  ProgramDate,
-  ProgramError,
-  ProgramGenerator,
-  ProgramHandle,
-  ProgramMap,
-  ProgramObject,
-  ProgramPromise,
-  ProgramRegExp,
-  ProgramSet,
-  ProgramURL,
-  ProgramURLSearchParams,
+  keys,
+  Obj,
+  PromiseObj,
+  record,
+  SetObj,
+  URLSearchParamsObj,
 } from "./interpreter/objects.js"
+import { typeofValue } from "./interpreter/references.js"
 
-export const MAX_VALUE_DEPTH = 32
+export type Json = Schema.Json
 
-export class ToolRuntimeError extends Error {
-  constructor(
-    readonly kind: Extract<
-      DiagnosticKind,
-      "UnknownTool" | "InvalidToolInput" | "InvalidToolOutput" | "InvalidDataValue" | "ToolCallLimitExceeded"
-    >,
-    message: string,
-    readonly suggestions: ReadonlyArray<string> = [],
-  ) {
-    super(message)
-    this.name = "ToolRuntimeError"
-  }
+type Replacer<R> = (args: Array<unknown>) => Effect.Effect<unknown, unknown, R>
+
+/**
+ * What `JSON.stringify` would serialize for a program value, as host JSON: `toJSON` is honored, functions and
+ * `undefined` vanish, non-finite numbers become null, and everything else is copied. Two departures from JS
+ * so a mistake is not a silent `{}`: an Error serializes as `{ name, message, ...own }`, and a promise throws.
+ */
+export const toJson = <R>(ctx: Interpreter<R>, value: unknown, replacer?: Replacer<R>) =>
+  walk(ctx, value, replacer, false)
+
+/**
+ * The host boundary: `toJson`, plus what a program most likely meant when a value cannot be JSON. A promise is
+ * awaited, a Set crosses as an array, a URLSearchParams as its query string, a Uint8Array asks to be encoded as
+ * text first, and a `__proto__` key is dropped so host code can never receive one.
+ */
+export const toBoundary = <R>(ctx: Interpreter<R>, value: unknown) => walk(ctx, value, undefined, true)
+
+const walk = <R>(
+  ctx: Interpreter<R>,
+  value: unknown,
+  replacer: Replacer<R> | undefined,
+  boundary: boolean,
+): Effect.Effect<Json | undefined, unknown, R> => {
+  const stack = new Set<object>()
+  const visit = (holder: Obj, key: string, depth: number): Effect.Effect<Json | undefined, unknown, R> =>
+    Effect.gen(function* () {
+      if (depth > MAX_VALUE_DEPTH) throw rangeError(`Value exceeds the maximum depth of ${MAX_VALUE_DEPTH}.`)
+      const raw = get(holder, key)
+      if (raw instanceof PromiseObj && !boundary) {
+        throw invalidData(
+          "JSON.stringify received an un-awaited Promise; await it first - e.g. `const result = await tools.ns.tool(...)`.",
+        )
+      }
+      const settled = raw instanceof PromiseObj ? yield* ctx.await(raw) : raw
+      const toJSON = settled instanceof Obj ? get(settled, "toJSON") : undefined
+      const own = toJSON instanceof Callable ? yield* ctx.call(toJSON, settled, [key]) : settled
+      const value = replacer === undefined ? own : yield* replacer([key, own])
+      if (value === undefined || typeofValue(value) === "function") return undefined
+      if (typeof value === "number") return Number.isFinite(value) ? value : null
+      if (value === null || typeof value === "string" || typeof value === "boolean") return value
+      if (!(value instanceof Obj)) return {}
+      if (boundary && value instanceof Bytes) {
+        throw invalidData(
+          "A Uint8Array cannot cross to the host; pass text instead, e.g. `new TextDecoder().decode(bytes)` or `bytes.toBase64()`.",
+        )
+      }
+      if (boundary && value instanceof URLSearchParamsObj) return value.params.toString()
+      const target = boundary && value instanceof SetObj ? new Arr(ctx.builtins.Array, [...value.set]) : value
+      if (stack.has(target)) throw typeError("Converting circular structure to JSON.")
+      stack.add(target)
+      if (target instanceof Arr) {
+        const items: Array<Json> = []
+        for (let index = 0; index < target.items.length; index += 1) {
+          items.push((yield* visit(target, String(index), depth + 1)) ?? null)
+        }
+        stack.delete(target)
+        return items
+      }
+      const copied: Record<string, Json> = {}
+      // Own data property regardless of the key, so "__proto__" never reaches the Object.prototype setter.
+      const put = (name: string, item: Json | undefined) => {
+        if (item !== undefined)
+          Object.defineProperty(copied, name, { value: item, enumerable: true, writable: true, configurable: true })
+      }
+      // Errors serialize as { name, message, ...own }: both may be inherited, and neither is enumerable in JS.
+      if (target instanceof ErrorObj) {
+        put("name", yield* visit(target, "name", depth + 1))
+        put("message", yield* visit(target, "message", depth + 1))
+      }
+      for (const name of keys(target)) {
+        if (boundary && name === "__proto__") continue
+        put(name, yield* visit(target, name, depth + 1))
+      }
+      stack.delete(target)
+      return copied
+    })
+  return visit(record(ctx.builtins.Object, { "": value }), "", 0)
 }
 
-/**
- * Brings a host-produced value into the program: program values pass through, host Date, RegExp,
- * Map, Set, URL, and URLSearchParams become their built-in wrappers, and host objects and arrays
- * are copied.
- */
-export const toProgram = (protos: Prototypes, value: unknown, label: string): unknown =>
-  copy(value, label, "program", 0, new Set(), protos)
-
-/**
- * Brings host data into the program: Date and URL become strings, other host collections become
- * empty objects, and objects become program copies. Used for tool results and parsed JSON.
- */
-export const fromData = (protos: Prototypes, value: unknown, label: string): unknown =>
-  copy(value, label, "data", 0, new Set(), protos)
-
-/**
- * Takes a program value out as plain JSON: runtime values serialize like `JSON.stringify` would,
- * non-finite numbers become null, and array holes become null. `undefined` object properties are
- * dropped ("json") or become null ("result", for program results where the consumer must never see
- * undefined); a bare `undefined` follows the same rule.
- *
- * At the host boundary (tool arguments and program results) `__proto__` keys are dropped and values
- * `JSON.stringify` would flatten to `{}` cross in a useful form instead: a Set as an array, a RegExp
- * and URLSearchParams as their strings. `JSON.stringify` itself passes `boundary: false` to keep JS
- * behavior.
- */
-export const toData = (
-  value: unknown,
-  label: string,
-  undefinedAs: "json" | "result" = "json",
-  boundary = true,
-): unknown => copy(value, label, undefinedAs, 0, new Set(), undefined, boundary)
-
-// "program" and "data" build program objects; "json" and "result" build ordinary objects for the host.
-type Mode = "program" | "data" | "json" | "result"
-
-const copy = (
-  value: unknown,
-  label: string,
-  mode: Mode,
-  depth: number,
-  seen: Set<object>,
-  protos?: Prototypes,
-  boundary = true,
-): unknown => {
-  const next = (item: unknown) => copy(item, label, mode, depth + 1, seen, protos, boundary)
-  if (depth > MAX_VALUE_DEPTH) {
-    throw new ToolRuntimeError("InvalidDataValue", `${label} exceeds the maximum value depth of ${MAX_VALUE_DEPTH}.`)
-  }
-  if (value === undefined) return mode === "result" ? null : undefined
-  if (typeof value === "number") return (mode === "json" || mode === "result") && !Number.isFinite(value) ? null : value
-  if (value === null || typeof value === "string" || typeof value === "boolean") return value
-  if (typeof value !== "object") {
-    throw new ToolRuntimeError("InvalidDataValue", `${label} must contain data only.`)
-  }
-  if (value instanceof ProgramPromise) {
-    throw new ToolRuntimeError(
-      "InvalidDataValue",
-      `${label} contains an un-awaited Promise; await tool calls (e.g. \`const result = await tools.ns.tool(...)\`) before using their results.`,
+/** Host JSON as program values: objects and arrays are copied, primitives pass through. */
+export const fromJson = <R>(ctx: Interpreter<R>, value: unknown): unknown => {
+  if (value === null || typeof value !== "object") return value
+  if (Array.isArray(value))
+    return new Arr(
+      ctx.builtins.Array,
+      value.map((item) => fromJson(ctx, item)),
     )
-  }
-  if ((value instanceof Callable || value instanceof ProgramGenerator) && mode !== "program") {
-    throw new ToolRuntimeError("InvalidDataValue", `${label} must contain data only.`)
-  }
-  if (value instanceof ProgramHandle && mode !== "program") {
-    throw new ToolRuntimeError(
-      "InvalidDataValue",
-      `${label} contains a ${value.instance.constructor.name}, which only extension functions accept.`,
-    )
-  }
-  // Host-produced input never holds program objects; one arriving here would come back as a host object.
-  if (value instanceof ProgramObject && mode === "data") {
-    throw new ToolRuntimeError("InvalidDataValue", `${label} must be host data, not a program value.`)
-  }
-
-  if (protos !== undefined && mode === "program") {
-    if (value instanceof ProgramObject) return value
-    if (value instanceof Date) return new ProgramDate(protos.Date, value.getTime())
-    if (value instanceof RegExp) return new ProgramRegExp(protos.RegExp, value.source, value.flags)
-    if (value instanceof Map) {
-      const wrapped = new ProgramMap(protos.Map)
-      for (const [key, item] of value.entries()) wrapped.map.set(next(key), next(item))
-      return wrapped
-    }
-    if (value instanceof Set) {
-      const wrapped = new ProgramSet(protos.Set)
-      for (const item of value.values()) wrapped.set.add(next(item))
-      return wrapped
-    }
-    if (value instanceof URL) return new ProgramURL(protos.URL, protos.URLSearchParams, new URL(value.href))
-    if (value instanceof URLSearchParams)
-      return new ProgramURLSearchParams(protos.URLSearchParams, new URLSearchParams(value))
-  }
-
-  if (value instanceof ProgramDate) return Number.isFinite(value.time) ? new Date(value.time).toISOString() : null
-  if (value instanceof Date) return Number.isFinite(value.getTime()) ? value.toISOString() : null
-  if (value instanceof ProgramURL) return value.url.href
-  if (value instanceof URL) return value.href
-  if (boundary && protos === undefined) {
-    if (value instanceof ProgramRegExp) return String(value.regex)
-    if (value instanceof ProgramURLSearchParams) return value.params.toString()
-    if (value instanceof ProgramSet) {
-      if (seen.has(value)) throw new ToolRuntimeError("InvalidDataValue", `${label} contains a circular value.`)
-      seen.add(value)
-      const copied = Array.from(value.set, (item) => next(item) ?? null)
-      seen.delete(value)
-      return copied
-    }
-  }
-  // Remaining wrappers and their host counterparts serialize as empty objects, like JSON.stringify.
-  if (
-    isWrapper(value) ||
-    value instanceof RegExp ||
-    value instanceof Map ||
-    value instanceof Set ||
-    value instanceof URLSearchParams
-  ) {
-    return protos !== undefined ? new ProgramObject(protos.Object) : {}
-  }
-
-  if (seen.has(value)) {
-    throw new ToolRuntimeError("InvalidDataValue", `${label} contains a circular value.`)
-  }
-  seen.add(value)
-
-  if (value instanceof ProgramArray) {
-    const copied = Array.from(value.items, (item) => next(item) ?? null)
-    seen.delete(value)
-    return copied
-  }
-  if (value instanceof ProgramObject) {
-    const copied: Record<string, unknown> = {}
-    // Errors serialize as { name, message, ...own }: both may be inherited, and neither is enumerable in JS.
-    if (value instanceof ProgramError) {
-      defineHost(copied, "name", next(get(value, "name")))
-      defineHost(copied, "message", next(get(value, "message")))
-    }
-    for (const [key, item] of entries(value)) {
-      if (boundary && key === "__proto__") continue
-      const copiedItem = next(item)
-      if (copiedItem === undefined && mode === "json") continue
-      defineHost(copied, key, copiedItem)
-    }
-    seen.delete(value)
-    return copied
-  }
-
-  if (Array.isArray(value)) {
-    if (protos !== undefined) {
-      const copied = new ProgramArray(protos.Array, value.map(next))
-      for (const [key, item] of Object.entries(value)) {
-        if (parseArrayIndex(key) === undefined) define(copied, key, next(item))
-      }
-      seen.delete(value)
-      return copied
-    }
-    const copied = Array.from(value, (item) => next(item) ?? null)
-    seen.delete(value)
-    return copied
-  }
-
-  const prototype = Object.getPrototypeOf(value)
-  if (prototype !== Object.prototype && prototype !== null) {
-    throw new ToolRuntimeError("InvalidDataValue", `${label} must contain plain objects only.`)
-  }
-
-  if (protos !== undefined) {
-    const copied = new ProgramObject(protos.Object)
-    for (const [key, item] of Object.entries(value)) define(copied, key, next(item))
-    seen.delete(value)
-    return copied
-  }
-  const copied: Record<string, unknown> = {}
-  for (const [key, item] of Object.entries(value)) {
-    if (boundary && key === "__proto__") continue
-    const copiedItem = next(item)
-    if (copiedItem === undefined && mode === "json") continue
-    defineHost(copied, key, copiedItem)
-  }
-  seen.delete(value)
+  const copied = new Obj(ctx.builtins.Object)
+  for (const [key, item] of Object.entries(value)) define(copied, key, fromJson(ctx, item))
   return copied
 }
-
-// Own data property regardless of the target's prototype, so a "__proto__" key on a host object
-// never reaches the Object.prototype setter.
-const defineHost = (target: object, key: string, value: unknown): void => {
-  Object.defineProperty(target, key, { value, enumerable: true, writable: true, configurable: true })
-}

packages/codemode/src/extension.ts

@@ -1,20 +1,19 @@
 export * as Extension from "./extension.js"
 
 /**
- * Host classes and functions a program uses directly, like JavaScript. Values crossing in either direction are
- * converted, never shared: plain data is copied, instances of the classes stay on the host behind program-side
- * handles. Extension calls are not tool calls.
+ * Host functions a program calls directly as globals. Values crossing in either direction are converted, never
+ * shared: arguments come in as copies, results go out as copies, and a function inside a result is callable the
+ * same way. Extension calls are not tool calls.
  */
 export type Extension = {
   readonly name: string
-  /** Each value is a class or a function; everything on a class is exposed, including statics and accessors. */
   readonly globals: Readonly<Record<string, Function>>
 }
 
 export const make = (options: Extension): Extension => {
   for (const [name, value] of Object.entries(options.globals)) {
     if (typeof value !== "function") {
-      throw new TypeError(`Extension "${options.name}" global "${name}" must be a class or a function.`)
+      throw new TypeError(`Extension "${options.name}" global "${name}" must be a function.`)
     }
   }
   return { name: options.name, globals: { ...options.globals } }

packages/codemode/src/index.ts

@@ -2,6 +2,7 @@ export * as CodeMode from "./codemode.js"
 export * as Extension from "./extension.js"
 export * as Namespace from "./namespace.js"
 export * as Tool from "./tool.js"
+export * as Web from "./web.js"
 export * as OpenAPI from "./openapi/index.js"
 export { searchSignature, toolExpression } from "./codemode.js"
 export { ToolError, toolError } from "./tool-error.js"

packages/codemode/src/interpreter/callback.ts

@@ -1,8 +1,8 @@
 import { Effect, Exit } from "effect"
 import { coerceToNumber, coerceToString } from "../stdlib/value.js"
-import type { Prototypes } from "./intrinsics.js"
+import type { Interpreter } from "./interpreter.js"
 import { typeError } from "./model.js"
-import { Callable, get, NativeFunction, ProgramDate, ProgramObject, ProgramPromise } from "./objects.js"
+import { Callable, get, Native, DateObj, Obj } from "./objects.js"
 import { typeofValue } from "./references.js"
 
 export type IteratorCursor<R> = {
@@ -10,18 +10,6 @@ export type IteratorCursor<R> = {
   readonly close: Effect.Effect<void, unknown, R>
 }
 
-/** Everything a native function needs from the realm: calling back into the program and its intrinsic objects. */
-export type Runner<R> = {
-  readonly invokeCallable: (
-    callable: unknown,
-    thisValue: unknown,
-    args: Array<unknown>,
-  ) => Effect.Effect<unknown, unknown, R>
-  readonly settlePromise: (promise: ProgramPromise) => Effect.Effect<unknown, unknown, never>
-  readonly syncIterator: (value: unknown) => Effect.Effect<IteratorCursor<R> | undefined, unknown, R>
-  readonly prototypes: Prototypes
-}
-
 export const preserveConsumerError = <A, R>(
   cursor: IteratorCursor<R>,
   effect: Effect.Effect<A, unknown, R>,
@@ -37,39 +25,39 @@ export const preserveConsumerError = <A, R>(
  * default hint as "string", like their `Symbol.toPrimitive`.
  */
 export const toPrimitive = <R>(
-  runner: Runner<R>,
+  ctx: Interpreter<R>,
   value: unknown,
   hint: "number" | "string" | "default",
 ): Effect.Effect<unknown, unknown, R> => {
-  if (!(value instanceof ProgramObject)) return Effect.succeed(value)
-  const asString = hint === "string" || (hint === "default" && value instanceof ProgramDate)
+  if (!(value instanceof Obj)) return Effect.succeed(value)
+  const asString = hint === "string" || (hint === "default" && value instanceof DateObj)
   const order = asString ? ["toString", "valueOf"] : ["valueOf", "toString"]
   return Effect.gen(function* () {
     for (const method of order) {
       const callable = get(value, method)
       if (!(callable instanceof Callable)) continue
-      const result = yield* runner.invokeCallable(callable, value, [])
+      const result = yield* ctx.call(callable, value, [])
       if (result === null || (typeof result !== "object" && typeof result !== "function")) return result
     }
     throw typeError("Cannot convert object to primitive value.")
   })
 }
 
-export const toPrimitiveString = <R>(runner: Runner<R>, value: unknown) =>
-  Effect.map(toPrimitive(runner, value, "string"), coerceToString)
+export const toPrimitiveString = <R>(ctx: Interpreter<R>, value: unknown) =>
+  Effect.map(toPrimitive(ctx, value, "string"), coerceToString)
 
-export const toPrimitiveNumber = <R>(runner: Runner<R>, value: unknown) =>
-  Effect.map(toPrimitive(runner, value, "number"), coerceToNumber)
+export const toPrimitiveNumber = <R>(ctx: Interpreter<R>, value: unknown) =>
+  Effect.map(toPrimitive(ctx, value, "number"), coerceToNumber)
 
 // The single acceptance list for callbacks: collections, sort, string replacers,
 // Array.from mappers, and promise reactions all admit exactly these callables.
 // Admission means dispatchable, not necessarily invocable: new-requiring
 // constructors pass the gate and throw a TypeError on call, like JS.
 export const isSupportedCallback = (value: unknown): value is Callable =>
-  value instanceof Callable && !(value instanceof NativeFunction && !value.callback)
+  value instanceof Callable && !(value instanceof Native && !value.callback)
 
 export const applyCollectionCallback = <R>(
-  runner: Runner<R>,
+  ctx: Interpreter<R>,
   callback: unknown,
   name: string,
 ): ((args: Array<unknown>) => Effect.Effect<unknown, unknown, R>) => {
@@ -81,5 +69,5 @@ export const applyCollectionCallback = <R>(
     }
     throw typeError(`${name} expects a function callback.`)
   }
-  return (callbackArgs) => runner.invokeCallable(callback, undefined, callbackArgs)
+  return (callbackArgs) => ctx.call(callback, undefined, callbackArgs)
 }

packages/codemode/src/interpreter/errors.ts

@@ -1,22 +1,14 @@
 import { Effect } from "effect"
 import type { Diagnostic } from "../codemode.js"
 import { ToolError } from "../tool-error.js"
-import { toData, ToolRuntimeError } from "../data.js"
-import { type AstNode, formatLocation, PendingThrow, ProgramThrow, sourceLocation, typeError } from "./model.js"
+import { ToolRuntimeError } from "../tool-runtime.js"
+import { type AstNode, formatLocation, PendingThrow, Throw, sourceLocation, typeError } from "./model.js"
 import { containsRuntimeReference } from "./references.js"
 import { createErrorValue, type ErrorType, isErrorType } from "./intrinsics.js"
 import { constructor, methods, prototypeFrom, receiver } from "./native.js"
-import {
-  type Callable,
-  define,
-  get,
-  hidden,
-  type NativeFunction,
-  ProgramArray,
-  ProgramError,
-  ProgramObject,
-} from "./objects.js"
-import { type Runner } from "./runner.js"
+import { type Callable, define, get, hidden, type Native, Arr, ErrorObj, Obj } from "./objects.js"
+import type { Interpreter } from "./interpreter.js"
+import { formatValue } from "../stdlib/console.js"
 import { coerceToString } from "../stdlib/value.js"
 
 export const normalizeError = (error: unknown): Diagnostic => {
@@ -41,9 +33,9 @@ export const normalizeError = (error: unknown): Diagnostic => {
     return { kind: "ToolFailure", message: error.message }
   }
 
-  if (error instanceof ProgramThrow) {
+  if (error instanceof Throw) {
     const value = error.value
-    if (value instanceof ProgramError) {
+    if (value instanceof ErrorObj) {
       return value.host ? normalizeError(value.host) : { kind: "ExecutionFailure", message: errorToString(value) }
     }
     let message: string
@@ -53,11 +45,7 @@ export const normalizeError = (error: unknown): Diagnostic => {
     } else if (typeof value === "string") {
       message = value
     } else {
-      try {
-        message = JSON.stringify(toData(value, "Thrown value")) ?? String(value)
-      } catch {
-        message = String(value)
-      }
+      message = formatValue(value)
     }
     return { kind: "ExecutionFailure", message: `Uncaught: ${message}` }
   }
@@ -98,22 +86,22 @@ export const locate = (error: unknown, node?: AstNode): unknown => {
 }
 
 /** The program value a handler receives for a failure; one failure always yields the same value. */
-export const materialize = <R>(runner: Runner<R>, thrown: unknown): unknown => {
-  if (thrown instanceof ProgramThrow) return thrown.value
-  const prototypes = runner.prototypes
+export const materialize = <R>(ctx: Interpreter<R>, thrown: unknown): unknown => {
+  if (thrown instanceof Throw) return thrown.value
+  const builtins = ctx.builtins
   if (thrown instanceof PendingThrow) {
     if (thrown.value === undefined) {
-      thrown.value = createErrorValue(prototypes[thrown.type], thrown.message)
+      thrown.value = createErrorValue(builtins[thrown.type], thrown.message)
       thrown.value.host = thrown
     }
     return thrown.value
   }
   const type = thrown instanceof Error && isErrorType(thrown.name) ? thrown.name : "Error"
-  return createErrorValue(prototypes[type], normalizeError(thrown).message)
+  return createErrorValue(builtins[type], normalizeError(thrown).message)
 }
 
 /** Error.prototype.toString: `name: message`, omitting whichever side is empty. */
-const errorToString = (self: ProgramObject): string => {
+const errorToString = (self: Obj): string => {
   const name = get(self, "name")
   const message = get(self, "message")
   const shownName = name === undefined ? "Error" : coerceToString(name)
@@ -124,53 +112,53 @@ const errorToString = (self: ProgramObject): string => {
 }
 
 export const createAggregateErrorValue = <R>(
-  runner: Runner<R>,
+  ctx: Interpreter<R>,
   errors: Array<unknown>,
   message: string,
-  proto: ProgramObject = runner.prototypes.AggregateError,
+  proto: Obj = ctx.builtins.AggregateError,
 ) => {
   const value = createErrorValue(proto, message)
-  define(value, "errors", new ProgramArray(runner.prototypes.Array, errors), { ...hidden })
+  define(value, "errors", new Arr(ctx.builtins.Array, errors), { ...hidden })
   return value
 }
 
 const constructAggregateErrorValue = <R>(
-  runner: Runner<R>,
+  ctx: Interpreter<R>,
   args: Array<unknown>,
-  proto: ProgramObject,
-): Effect.Effect<ProgramError, unknown, R> =>
+  proto: Obj,
+): Effect.Effect<ErrorObj, unknown, R> =>
   Effect.gen(function* () {
-    const cursor = yield* runner.syncIterator(args[0])
+    const cursor = yield* ctx.iterate(args[0])
     if (cursor === undefined) throw typeError("new AggregateError(...) expects a synchronous iterable of errors.")
     const errors: Array<unknown> = []
     while (true) {
       const step = yield* cursor.next
       if (step.done) {
-        return createAggregateErrorValue(runner, errors, args[1] === undefined ? "" : coerceToString(args[1]), proto)
+        return createAggregateErrorValue(ctx, errors, args[1] === undefined ? "" : coerceToString(args[1]), proto)
       }
       errors.push(step.value)
     }
   })
 
 /** An error constructor such as `Error` or `TypeError`; callable with or without `new`, like JS. */
-export const errorGlobal = <R>(type: ErrorType, runner: Runner<R>) => {
-  const protos = runner.prototypes
-  const prototype = protos[type]
+export const errorGlobal = <R>(type: ErrorType, ctx: Interpreter<R>) => {
+  const builtins = ctx.builtins
+  const prototype = builtins[type]
   const construct = (args: Array<unknown>, newTarget: Callable) => {
     const proto = prototypeFrom(newTarget, prototype)
     return type === "AggregateError"
-      ? constructAggregateErrorValue(runner, args, proto)
+      ? constructAggregateErrorValue(ctx, args, proto)
       : Effect.sync(() => createErrorValue(proto, args[0] === undefined ? undefined : coerceToString(args[0])))
   }
-  const ctor: NativeFunction<R> = constructor<R>(protos, prototype, {
+  const ctor: Native<R> = constructor<R>(builtins, prototype, {
     name: type,
     length: type === "AggregateError" ? 2 : 1,
     call: (_, args) => construct(args, ctor),
     construct,
   })
   if (type === "Error") {
-    methods(protos, prototype, [
-      ["toString", 0, (thisValue) => errorToString(receiver(ProgramObject, thisValue, "Error.prototype.toString"))],
+    methods(builtins, prototype, [
+      ["toString", 0, (thisValue) => errorToString(receiver(Obj, thisValue, "Error.prototype.toString"))],
     ])
   }
   return ctor

packages/codemode/src/interpreter/execute.ts

@@ -4,21 +4,20 @@ import { Cause, Effect, Scope } from "effect"
 // pass-through on workerd (the compiler is ~11 MiB and can't init there).
 import { transpile } from "#transpile"
 import type { DataValue, Diagnostic, ResolvedExecutionLimits, Result } from "../codemode.js"
-import { toData } from "../data.js"
+import { toBoundary } from "../data.js"
 import { ToolRuntime } from "../tool-runtime.js"
 import { normalizeError } from "./errors.js"
-import { createPrototypes } from "./intrinsics.js"
-import type { Host } from "./globals.js"
+import { createBuiltins } from "./intrinsics.js"
 import { PendingThrow } from "./model.js"
-import { PromiseRuntime } from "./promises.js"
-import { Runtime } from "./runtime.js"
+import { Pending } from "./promises.js"
+import { Interpreter } from "./interpreter.js"
 
 export const executeProgram = <R>(
   code: string,
   prepared: ToolRuntime.Prepared<R>,
   limits: ResolvedExecutionLimits,
   hooks: ToolRuntime.ToolCallHooks<R>,
-  extraGlobals?: (host: Host<R>) => ReadonlyArray<readonly [string, unknown]>,
+  globals?: (ctx: Interpreter<R>) => ReadonlyArray<readonly [string, unknown]>,
 ): Effect.Effect<Result, never, R> => {
   if (code.trim().length === 0) {
     return Effect.succeed({
@@ -30,31 +29,23 @@ export const executeProgram = <R>(
 
   // Allocate execution state inside suspension so reused Effects never share it.
   return Effect.suspend(() => {
-    const prototypes = createPrototypes()
-    const tools = ToolRuntime.make(prepared, prototypes, limits.maxToolCalls, hooks)
+    const builtins = createBuiltins()
+    const tools = ToolRuntime.make(prepared, limits.maxToolCalls, hooks)
     const logs: Array<string> = []
     const logged = () => (logs.length > 0 ? { logs: [...logs] } : {})
     // Set only after copy-out so timeouts cannot report invalid values as completed.
-    let returned: { value: DataValue; promises: PromiseRuntime<R> } | undefined
+    let returned: { value: DataValue; pending: Pending<R> } | undefined
 
     const base = Effect.acquireUseRelease(
       Scope.make("parallel"),
       (scope) =>
         Effect.gen(function* () {
           const program = parseProgram(code)
-          const promises = new PromiseRuntime<R>(scope, prototypes.Promise)
-          const value = yield* new Runtime<R>(
-            tools.execute,
-            tools.search,
-            tools.keys,
-            promises,
-            prototypes,
-            logs,
-            extraGlobals,
-          ).run(program)
-          const result = toData(value, "Execution result", "result") as DataValue
-          returned = { value: result, promises }
-          const warnings = yield* promises.interrupt()
+          const pending = new Pending<R>(scope, builtins.Promise)
+          const ctx = new Interpreter<R>({ tools, pending, builtins, logs, globals })
+          const result = (yield* toBoundary(ctx, yield* ctx.run(program))) ?? null
+          returned = { value: result, pending }
+          const warnings = yield* pending.interrupt()
           return {
             ok: true,
             value: result,
@@ -91,7 +82,7 @@ export const executeProgram = <R>(
                         kind: "TimeoutExceeded",
                         message: `The program returned, but background work was still running at the ${timeoutMs}ms timeout and was interrupted. Await all started promises.`,
                       },
-                      ...returned.promises.diagnostics(),
+                      ...returned.pending.diagnostics(),
                     ],
                     ...logged(),
                     toolCalls: tools.calls,

packages/codemode/src/interpreter/extensions.ts

@@ -1,59 +1,42 @@
 import { Effect } from "effect"
-import { MAX_VALUE_DEPTH } from "../data.js"
 import type { Extension } from "../extension.js"
 import { coerceToString } from "../stdlib/value.js"
-import type { Host } from "./globals.js"
+import type { Interpreter } from "./interpreter.js"
 import { createErrorValue, isErrorType } from "./intrinsics.js"
-import { ProgramThrow, typeError } from "./model.js"
-import { constructor, fn } from "./native.js"
+import { MAX_VALUE_DEPTH } from "./limits.js"
+import { Throw, typeError } from "./model.js"
+import { fn } from "./native.js"
 import {
   Callable,
   define,
-  defineAccessor,
   entries,
   get,
-  hidden,
-  type NativeFunction,
-  ProgramArray,
-  ProgramDate,
-  ProgramError,
-  ProgramGenerator,
-  ProgramHandle,
-  ProgramMap,
-  ProgramObject,
-  ProgramPromise,
-  ProgramRegExp,
-  ProgramSet,
-  ProgramURL,
-  ProgramURLSearchParams,
+  type Native,
+  Arr,
+  Bytes,
+  DateObj,
+  ErrorObj,
+  GeneratorObj,
+  MapObj,
+  Obj,
+  PromiseObj,
+  RegExpObj,
+  SetObj,
+  URLObj,
+  URLSearchParamsObj,
 } from "./objects.js"
 import { describeValue } from "./references.js"
 
-type Class = Function & { readonly prototype: object }
-
-const isClass = (value: unknown): value is Class =>
-  typeof value === "function" && typeof value.prototype === "object" && value.prototype !== null
-
-// Own keys the native function already carries.
-const ownFunctionKeys = new Set(["length", "name", "prototype"])
-const ownPrototypeKeys = new Set(["constructor"])
-
 /**
- * The global bindings of one run's extensions. Everything crossing the boundary is converted: plain data is
- * copied, built-in wrappers are copied, instances of exposed classes travel as handles, and a host Promise becomes
- * a program promise. Prototypes, constructors, and handle identity are all per run.
+ * The global bindings of one run's extensions. Everything crossing the boundary is converted: plain data and
+ * built-in wrappers are copied, a host function becomes a program function whose calls cross the same way, and a
+ * host Promise becomes a program promise.
  */
 export const extensionGlobals = <R>(
-  host: Host<R>,
+  ctx: Interpreter<R>,
   extensions: ReadonlyArray<Extension>,
 ): ReadonlyArray<readonly [string, unknown]> => {
-  const protos = host.runner.prototypes
-  const classes = new Set(extensions.flatMap((extension) => Object.values(extension.globals)).filter(isClass))
-  // Host prototype object → this run's program prototype, so an instance wraps as its most-derived exposed class.
-  const prototypes = new Map<object, ProgramObject>()
-  const exposed = new Map<Class, { ctor: NativeFunction<R>; proto: ProgramObject }>()
-  const classOf = new Map<unknown, Class>()
-  const handles = new WeakMap<object, ProgramHandle>()
+  const builtins = ctx.builtins
 
   const toHost = (value: unknown, label: string, depth = 0, seen = new Set<object>()): unknown => {
     if (depth > MAX_VALUE_DEPTH) throw typeError(`${label} exceeds the maximum value depth of ${MAX_VALUE_DEPTH}.`)
@@ -61,32 +44,32 @@ export const extensionGlobals = <R>(
       if (isPrimitive(value)) return value
       throw typeError(`${label} contains ${describeValue(value)}, which cannot be passed to an extension.`)
     }
-    if (value instanceof ProgramHandle) return value.instance
-    if (value instanceof ProgramDate) return new Date(value.time)
-    if (value instanceof ProgramRegExp) return new RegExp(value.regex.source, value.regex.flags)
-    if (value instanceof ProgramURL) return new URL(value.url.href)
-    if (value instanceof ProgramURLSearchParams) return new URLSearchParams(value.params)
+    if (value instanceof Bytes) return new Uint8Array(value.bytes)
+    if (value instanceof DateObj) return new Date(value.time)
+    if (value instanceof RegExpObj) return new RegExp(value.regex.source, value.regex.flags)
+    if (value instanceof URLObj) return new URL(value.url.href)
+    if (value instanceof URLSearchParamsObj) return new URLSearchParams(value.params)
     const next = (item: unknown) => toHost(item, label, depth + 1, seen)
-    if (value instanceof ProgramMap) return new Map([...value.map].map(([key, item]) => [next(key), next(item)]))
-    if (value instanceof ProgramSet) return new Set([...value.set].map(next))
+    if (value instanceof MapObj) return new Map([...value.map].map(([key, item]) => [next(key), next(item)]))
+    if (value instanceof SetObj) return new Set([...value.set].map(next))
     if (
-      !(value instanceof ProgramObject) ||
+      !(value instanceof Obj) ||
       value instanceof Callable ||
-      value instanceof ProgramGenerator ||
-      value instanceof ProgramPromise
+      value instanceof GeneratorObj ||
+      value instanceof PromiseObj
     ) {
       throw typeError(`${label} contains ${describeValue(value)}, which cannot be passed to an extension.`)
     }
-    if (value instanceof ProgramError) {
+    if (value instanceof ErrorObj) {
       const name = coerceToString(get(value, "name"))
       const message = get(value, "message")
       const text = message === undefined ? "" : coerceToString(message)
-      return name === "AggregateError" ? new AggregateError([], text) : new (hostErrors[name] ?? Error)(text)
+      return name === "AggregateError" ? new AggregateError([], text) : new (hostErrors.get(name) ?? Error)(text)
     }
     if (seen.has(value)) throw typeError(`${label} contains a circular value.`)
     seen.add(value)
     const copied =
-      value instanceof ProgramArray
+      value instanceof Arr
         ? value.items.map(next)
         : Object.fromEntries(
             entries(value)
@@ -100,46 +83,44 @@ export const extensionGlobals = <R>(
   const fromHost = (value: unknown, label: string, depth = 0, seen = new Set<object>()): unknown => {
     if (depth > MAX_VALUE_DEPTH) throw typeError(`${label} exceeds the maximum value depth of ${MAX_VALUE_DEPTH}.`)
     if (isPrimitive(value)) return value
+    if (typeof value === "function") return wrap(value, label)
     if (value !== null && typeof value === "object") {
-      const existing = handles.get(value)
-      if (existing !== undefined) return existing
-      const proto = handlePrototype(value)
-      if (proto !== undefined) {
-        const handle = new ProgramHandle(proto, value)
-        handles.set(value, handle)
-        return handle
-      }
-      if (value instanceof Date) return new ProgramDate(protos.Date, value.getTime())
-      if (value instanceof RegExp) return new ProgramRegExp(protos.RegExp, value.source, value.flags)
+      if (value instanceof Date) return new DateObj(builtins.Date, value.getTime())
+      if (value instanceof RegExp) return new RegExpObj(builtins.RegExp, value.source, value.flags)
+      if (value instanceof Uint8Array) return new Bytes(builtins.Uint8Array, new Uint8Array(value))
+      if (value instanceof ArrayBuffer) return new Bytes(builtins.Uint8Array, new Uint8Array(value.slice(0)))
       if (value instanceof Error) {
-        return createErrorValue(protos[isErrorType(value.name) ? value.name : "Error"], value.message)
+        return createErrorValue(builtins[isErrorType(value.name) ? value.name : "Error"], value.message)
       }
-      if (value instanceof URL) return new ProgramURL(protos.URL, protos.URLSearchParams, new URL(value.href))
+      if (value instanceof URL) return new URLObj(builtins.URL, builtins.URLSearchParams, new URL(value.href))
       if (value instanceof URLSearchParams) {
-        return new ProgramURLSearchParams(protos.URLSearchParams, new URLSearchParams(value))
+        return new URLSearchParamsObj(builtins.URLSearchParams, new URLSearchParams(value))
       }
-      const next = (item: unknown) => fromHost(item, label, depth + 1, seen)
+      const next = (item: unknown, path: string) => fromHost(item, path, depth + 1, seen)
       if (value instanceof Map) {
-        const wrapped = new ProgramMap(protos.Map)
-        for (const [key, item] of value) wrapped.map.set(next(key), next(item))
+        const wrapped = new MapObj(builtins.Map)
+        for (const [key, item] of value) wrapped.map.set(next(key, label), next(item, label))
         return wrapped
       }
       if (value instanceof Set) {
-        const wrapped = new ProgramSet(protos.Set)
-        for (const item of value) wrapped.set.add(next(item))
+        const wrapped = new SetObj(builtins.Set)
+        for (const item of value) wrapped.set.add(next(item, label))
         return wrapped
       }
       if (seen.has(value)) throw typeError(`${label} produced a circular value.`)
       seen.add(value)
       if (Array.isArray(value)) {
-        const copied = new ProgramArray(protos.Array, value.map(next))
+        const copied = new Arr(
+          builtins.Array,
+          value.map((item, index) => next(item, `${label}[${index}]`)),
+        )
         seen.delete(value)
         return copied
       }
       const prototype = Object.getPrototypeOf(value)
       if (prototype === Object.prototype || prototype === null) {
-        const copied = new ProgramObject(protos.Object)
-        for (const [key, item] of Object.entries(value)) define(copied, key, next(item))
+        const copied = new Obj(builtins.Object)
+        for (const [key, item] of Object.entries(value)) define(copied, key, next(item, `${label}.${key}`))
         seen.delete(value)
         return copied
       }
@@ -147,153 +128,37 @@ export const extensionGlobals = <R>(
     throw typeError(`${label} produced ${describeHost(value)}, which the program cannot hold.`)
   }
 
-  const handlePrototype = (instance: object): ProgramObject | undefined => {
-    for (let level = Object.getPrototypeOf(instance); level !== null; level = Object.getPrototypeOf(level)) {
-      const proto = prototypes.get(level)
-      if (proto !== undefined) return proto
-    }
-    return undefined
-  }
-
-  // Runs host code with already-converted inputs. Whatever it returns, resolves, throws, or rejects with crosses
-  // the same way, so the program catches what the author threw.
-  const invoke = (run: () => unknown, label: string): Effect.Effect<unknown, unknown, R> => {
-    const thrown = (reason: unknown) => new ProgramThrow(fromHost(reason, label))
-    let result: unknown
-    try {
-      result = run()
-    } catch (reason) {
-      return Effect.fail(thrown(reason))
-    }
-    if (!(result instanceof Promise)) return Effect.succeed(fromHost(result, label))
-    return host.promises.create(
-      Effect.map(Effect.tryPromise({ try: () => result, catch: thrown }), (settled) => fromHost(settled, label)),
-    )
-  }
-
-  const args = (values: Array<unknown>, label: string): Array<unknown> =>
-    values.map((value, index) => toHost(value, `Argument ${index + 1} to ${label}`))
-
-  // Own members of each level from `from` up to (excluding) `root`, child first, as JS resolves them.
-  const members = (
-    target: ProgramObject,
-    from: object,
-    root: object,
-    skip: ReadonlySet<string>,
-    label: string,
-    receiver: (thisValue: unknown, member: string) => unknown,
-  ): void => {
-    for (let level: object | null = from; level !== null && level !== root; level = Object.getPrototypeOf(level)) {
-      for (const [key, descriptor] of Object.entries(Object.getOwnPropertyDescriptors(level))) {
-        if (skip.has(key) || target.props.has(key)) continue
-        const name = `${label}.${key}`
-        if (typeof descriptor.value === "function") {
-          const method: Function = descriptor.value
-          const impl = (thisValue: unknown, values: Array<unknown>) => {
-            const self = receiver(thisValue, name)
-            const converted = args(values, name)
-            return invoke(() => method.apply(self, converted), name)
-          }
-          define(target, key, fn<R>(protos, key, method.length, impl), hidden)
-          continue
-        }
-        // Data properties stay host-side: a program write to one would change the host class itself.
-        if ("value" in descriptor) continue
-        const get = descriptor.get
-        const set = descriptor.set
-        defineAccessor(
-          target,
-          key,
-          get === undefined
-            ? undefined
-            : (thisValue) => {
-                const value = get.call(receiver(thisValue, name))
-                if (value instanceof Promise)
-                  throw typeError(`${name} returned a Promise; a getter must be synchronous.`)
-                return fromHost(value, name)
-              },
-          set === undefined
-            ? undefined
-            : (thisValue, value) => {
-                set.call(receiver(thisValue, name), toHost(value, `${name} value`))
-              },
-        )
+  // A host function as a program function: arguments cross in, and whatever it returns, resolves, throws, or
+  // rejects with crosses out, so the program catches what the author threw.
+  const wrap = (value: Function, label: string): Native<R> =>
+    fn<R>(builtins, value.name, value.length, (_, values) => {
+      const converted = values.map((item, index) => toHost(item, `Argument ${index + 1} to ${label}`))
+      const thrown = (reason: unknown) => new Throw(fromHost(reason, label))
+      let result: unknown
+      try {
+        result = value.apply(undefined, converted)
+      } catch (reason) {
+        return Effect.fail(thrown(reason))
       }
-    }
-  }
-
-  const expose = (cls: Class): { ctor: NativeFunction<R>; proto: ProgramObject } => {
-    const existing = exposed.get(cls)
-    if (existing !== undefined) return existing
-    const ancestor = exposedAncestor(cls)
-    const base = ancestor === undefined ? undefined : expose(ancestor)
-    const proto = new ProgramObject(base === undefined ? protos.Object : base.proto)
-    prototypes.set(cls.prototype, proto)
-    const name = cls.name
-    const ctor = constructor<R>(protos, proto, {
-      name,
-      length: cls.length,
-      call: (_, values) => {
-        const converted = args(values, name)
-        return invoke(() => cls.apply(undefined, converted), name)
-      },
-      construct: (values) => {
-        const label = `new ${name}`
-        const construct = cls as new (...values: Array<unknown>) => object
-        const converted = args(values, label)
-        return invoke(() => new construct(...converted), label)
-      },
+      if (!(result instanceof Promise)) return fromHost(result, label)
+      return ctx.pending.create(
+        Effect.map(Effect.tryPromise({ try: () => result, catch: thrown }), (settled) => fromHost(settled, label)),
+      )
     })
-    if (base !== undefined) ctor.proto = base.ctor
-    const entry = { ctor, proto }
-    exposed.set(cls, entry)
-    classOf.set(ctor, cls)
-    // A static called through an exposed subclass sees that subclass as `this`, like JS.
-    members(ctor, cls, ancestor ?? Function.prototype, ownFunctionKeys, name, (thisValue) => {
-      const called = classOf.get(thisValue)
-      return called !== undefined && (called === cls || called.prototype instanceof cls) ? called : cls
-    })
-    members(
-      proto,
-      cls.prototype,
-      ancestor?.prototype ?? Object.prototype,
-      ownPrototypeKeys,
-      `${name}.prototype`,
-      (thisValue, member) => {
-        if (thisValue instanceof ProgramHandle && thisValue.instance instanceof cls) return thisValue.instance
-        throw typeError(`Illegal invocation: ${member} called on ${describeValue(thisValue)}.`)
-      },
-    )
-    return entry
-  }
-
-  const exposedAncestor = (cls: Class): Class | undefined => {
-    for (let level = Object.getPrototypeOf(cls); isClass(level); level = Object.getPrototypeOf(level)) {
-      if (classes.has(level)) return level
-    }
-    return undefined
-  }
 
   return extensions.flatMap((extension) =>
-    Object.entries(extension.globals).map(([name, value]) => {
-      if (isClass(value)) return [name, expose(value).ctor] as const
-      const impl = (_: unknown, values: Array<unknown>) => {
-        const converted = args(values, name)
-        return invoke(() => value.apply(undefined, converted), name)
-      }
-      return [name, fn<R>(protos, name, value.length, impl)] as const
-    }),
+    Object.entries(extension.globals).map(([name, value]) => [name, wrap(value, name)] as const),
   )
 }
 
-const hostErrors: Record<string, ErrorConstructor | undefined> = {
-  TypeError,
-  RangeError,
-  SyntaxError,
-  ReferenceError,
-  EvalError,
-  URIError,
-}
+const hostErrors = new Map<string, ErrorConstructor>([
+  ["TypeError", TypeError],
+  ["RangeError", RangeError],
+  ["SyntaxError", SyntaxError],
+  ["ReferenceError", ReferenceError],
+  ["EvalError", EvalError],
+  ["URIError", URIError],
+])
 
 // The primitives the interpreter operates on; symbols and BigInts are not among them.
 const isPrimitive = (value: unknown): boolean =>
@@ -304,7 +169,6 @@ const isPrimitive = (value: unknown): boolean =>
   typeof value === "boolean"
 
 const describeHost = (value: unknown): string => {
-  if (typeof value === "function") return "a function"
   if (typeof value !== "object" || value === null) return `a ${typeof value}`
   const name = (value as { constructor?: { name?: string } }).constructor?.name
   return name === undefined || name === "" ? "an object" : `a ${name}`

packages/codemode/src/interpreter/generators.ts

@@ -1,30 +1,29 @@
 import { Effect } from "effect"
 import { fn, type Method, methods, receiver } from "./native.js"
 import { AsyncIteratorSymbol, type GeneratorRequestKind, IteratorSymbol } from "./model.js"
-import { define, hidden, ProgramGenerator } from "./objects.js"
-import type { PromiseRuntime } from "./promises.js"
-import type { Runner } from "./runner.js"
+import { define, hidden, GeneratorObj } from "./objects.js"
+import type { Interpreter } from "./interpreter.js"
 
 /** `next`/`return`/`throw` on the generator prototypes; async generators answer with promises. */
-export const generatorGlobals = <R>(runner: Runner<R>, promises: PromiseRuntime<R>): void => {
-  const protos = runner.prototypes
+export const generatorGlobals = <R>(ctx: Interpreter<R>): void => {
+  const builtins = ctx.builtins
   const install = (asynchronous: boolean) => {
-    const proto = asynchronous ? protos.AsyncGenerator : protos.Generator
+    const proto = asynchronous ? builtins.AsyncGenerator : builtins.Generator
     const label = asynchronous ? "AsyncGenerator" : "Generator"
     const request = (kind: GeneratorRequestKind): Method => [
       kind,
       1,
       (thisValue: unknown, args: Array<unknown>) => {
-        const generator = receiver(ProgramGenerator, thisValue, `${label}.prototype.${kind}`)
+        const generator = receiver(GeneratorObj, thisValue, `${label}.prototype.${kind}`)
         const requested = generator.request(kind, args[0]) as Effect.Effect<unknown, unknown, R>
-        return generator.asynchronous ? promises.create(requested) : requested
+        return generator.asynchronous ? ctx.pending.create(requested) : requested
       },
     ]
-    methods(protos, proto, [request("next"), request("return"), request("throw")])
+    methods(builtins, proto, [request("next"), request("return"), request("throw")])
     define(
-      asynchronous ? protos.AsyncIterator : protos.Iterator,
+      asynchronous ? builtins.AsyncIterator : builtins.Iterator,
       asynchronous ? AsyncIteratorSymbol : IteratorSymbol,
-      fn(protos, asynchronous ? "[Symbol.asyncIterator]" : "[Symbol.iterator]", 0, (thisValue) => thisValue),
+      fn(builtins, asynchronous ? "[Symbol.asyncIterator]" : "[Symbol.iterator]", 0, (thisValue) => thisValue),
       hidden,
     )
   }

packages/codemode/src/interpreter/globals.ts

@@ -1,5 +1,6 @@
 import { Effect } from "effect"
 import { arrayGlobal } from "../stdlib/array.js"
+import { textDecoderGlobal, textEncoderGlobal, uint8ArrayGlobal } from "../stdlib/bytes.js"
 import { mapGlobal, setGlobal } from "../stdlib/collections.js"
 import { consoleGlobal } from "../stdlib/console.js"
 import { dateGlobal } from "../stdlib/date.js"
@@ -18,25 +19,16 @@ import { errorTypes } from "./intrinsics.js"
 import { constants, constructor, native } from "./native.js"
 import { AsyncIteratorSymbol, IteratorSymbol, typeError } from "./model.js"
 import { generatorGlobals } from "./generators.js"
-import { promiseGlobal, type PromiseRuntime } from "./promises.js"
-import type { Runner } from "./runner.js"
-
-/** What the built-in globals need from the interpreter that owns them. */
-export type Host<R> = {
-  readonly runner: Runner<R>
-  readonly promises: PromiseRuntime<R>
-  readonly search: (args: Array<unknown>) => Effect.Effect<unknown, unknown, R>
-  readonly toolKeys: (path: ReadonlyArray<string>) => ReadonlyArray<string>
-  readonly logs: Array<string>
-}
+import { promiseGlobal } from "./promises.js"
+import type { Interpreter } from "./interpreter.js"
 
 // Function.prototype.constructor exists so `fn.constructor === Function` holds; dynamic code is unsupported.
-const functionGlobal = <R>(runner: Runner<R>) => {
+const functionGlobal = <R>(ctx: Interpreter<R>) => {
   const reject = () =>
     Effect.sync(() => {
       throw typeError("The Function constructor is not supported; write the function inline.")
     })
-  return constructor<R>(runner.prototypes, runner.prototypes.Function, {
+  return constructor<R>(ctx.builtins, ctx.builtins.Function, {
     name: "Function",
     length: 1,
     call: reject,
@@ -44,8 +36,8 @@ const functionGlobal = <R>(runner: Runner<R>) => {
   })
 }
 
-const symbolGlobal = <R>(runner: Runner<R>) => {
-  const symbol = native<R>(runner.prototypes, {
+const symbolGlobal = <R>(ctx: Interpreter<R>) => {
+  const symbol = native<R>(ctx.builtins, {
     name: "Symbol",
     call: () =>
       Effect.sync(() => {
@@ -57,52 +49,55 @@ const symbolGlobal = <R>(runner: Runner<R>) => {
   return symbol
 }
 
-type Factory = <R>(host: Host<R>) => unknown
+type Factory = <R>(ctx: Interpreter<R>) => unknown
 
 // A table rather than a list so the names are known before any runtime exists.
 const table: Record<string, Factory> = {
   tools: () => new ToolReference([]),
-  search: (host) =>
-    native(host.runner.prototypes, { name: "search", call: (_, args) => host.search(args), callback: false }),
+  search: (ctx) =>
+    native(ctx.builtins, { name: "search", call: (_, args) => ctx.tool(ctx.tools.search, args), callback: false }),
   undefined: () => undefined,
   NaN: () => NaN,
   Infinity: () => Infinity,
-  Object: (host) => objectGlobal(host.runner, host.toolKeys),
-  Function: (host) => functionGlobal(host.runner),
-  Array: (host) => arrayGlobal(host.runner),
-  Math: (host) => mathGlobal(host.runner),
-  JSON: (host) => jsonGlobal(host.runner),
-  console: (host) => consoleGlobal(host.runner, host.logs),
-  Promise: (host) => promiseGlobal(host.runner, host.promises),
-  Symbol: (host) => symbolGlobal(host.runner),
-  Number: (host) => numberGlobal(host.runner),
-  String: (host) => stringGlobal(host.runner),
-  Boolean: (host) => booleanGlobal(host.runner),
-  parseInt: (host) => coercion(host.runner, "parseInt", 2),
-  parseFloat: (host) => coercion(host.runner, "parseFloat"),
-  isFinite: (host) => coercion(host.runner, "isFinite"),
-  isNaN: (host) => coercion(host.runner, "isNaN"),
-  Date: (host) => dateGlobal(host.runner),
-  RegExp: (host) => regexpGlobal(host.runner),
-  Map: (host) => mapGlobal(host.runner),
-  Set: (host) => setGlobal(host.runner),
-  URL: (host) => urlGlobal(host.runner),
-  URLSearchParams: (host) => urlSearchParamsGlobal(host.runner),
-  encodeURI: (host) => uriGlobal(host.runner, "encodeURI"),
-  encodeURIComponent: (host) => uriGlobal(host.runner, "encodeURIComponent"),
-  decodeURI: (host) => uriGlobal(host.runner, "decodeURI"),
-  decodeURIComponent: (host) => uriGlobal(host.runner, "decodeURIComponent"),
-  atob: (host) => base64Global(host.runner, "atob"),
-  btoa: (host) => base64Global(host.runner, "btoa"),
-  crypto: (host) => cryptoGlobal(host.runner),
-  ...Object.fromEntries(errorTypes.map((type) => [type, <R>(host: Host<R>) => errorGlobal(type, host.runner)])),
+  Object: (ctx) => objectGlobal(ctx),
+  Function: (ctx) => functionGlobal(ctx),
+  Array: (ctx) => arrayGlobal(ctx),
+  Math: (ctx) => mathGlobal(ctx),
+  JSON: (ctx) => jsonGlobal(ctx),
+  console: (ctx) => consoleGlobal(ctx),
+  Promise: (ctx) => promiseGlobal(ctx),
+  Symbol: (ctx) => symbolGlobal(ctx),
+  Number: (ctx) => numberGlobal(ctx),
+  String: (ctx) => stringGlobal(ctx),
+  Boolean: (ctx) => booleanGlobal(ctx),
+  parseInt: (ctx) => coercion(ctx, "parseInt", 2),
+  parseFloat: (ctx) => coercion(ctx, "parseFloat"),
+  isFinite: (ctx) => coercion(ctx, "isFinite"),
+  isNaN: (ctx) => coercion(ctx, "isNaN"),
+  Date: (ctx) => dateGlobal(ctx),
+  RegExp: (ctx) => regexpGlobal(ctx),
+  Map: (ctx) => mapGlobal(ctx),
+  Set: (ctx) => setGlobal(ctx),
+  URL: (ctx) => urlGlobal(ctx),
+  URLSearchParams: (ctx) => urlSearchParamsGlobal(ctx),
+  Uint8Array: (ctx) => uint8ArrayGlobal(ctx),
+  TextEncoder: (ctx) => textEncoderGlobal(ctx),
+  TextDecoder: (ctx) => textDecoderGlobal(ctx),
+  encodeURI: (ctx) => uriGlobal(ctx, "encodeURI"),
+  encodeURIComponent: (ctx) => uriGlobal(ctx, "encodeURIComponent"),
+  decodeURI: (ctx) => uriGlobal(ctx, "decodeURI"),
+  decodeURIComponent: (ctx) => uriGlobal(ctx, "decodeURIComponent"),
+  atob: (ctx) => base64Global(ctx, "atob"),
+  btoa: (ctx) => base64Global(ctx, "btoa"),
+  crypto: (ctx) => cryptoGlobal(ctx),
+  ...Object.fromEntries(errorTypes.map((type) => [type, <R>(ctx: Interpreter<R>) => errorGlobal(type, ctx)])),
 }
 
 /** Names bound in every program before extensions apply. */
 export const globalNames: ReadonlySet<string> = new Set(Object.keys(table))
 
 /** The immutable global bindings of every program, in declaration order. */
-export const globals = <R>(host: Host<R>): ReadonlyArray<readonly [string, unknown]> => {
-  generatorGlobals(host.runner, host.promises)
-  return Object.entries(table).map(([name, factory]) => [name, factory(host)] as const)
+export const globals = <R>(ctx: Interpreter<R>): ReadonlyArray<readonly [string, unknown]> => {
+  generatorGlobals(ctx)
+  return Object.entries(table).map(([name, factory]) => [name, factory(ctx)] as const)
 }

packages/codemode/src/interpreter/interpreter.ts

@@ -42,8 +42,8 @@ import type {
   YieldExpression,
 } from "acorn"
 import { Cause, Deferred, Effect, Exit } from "effect"
-import { toProgram } from "../data.js"
-import { ToolReference } from "../tool-runtime.js"
+import { fromJson, type Json, toBoundary } from "../data.js"
+import { ToolReference, type ToolRuntime } from "../tool-runtime.js"
 import {
   type AstNode,
   AsyncIteratorSymbol,
@@ -54,7 +54,7 @@ import {
   IteratorSymbol,
   OptionalShortCircuit,
   invalidData,
-  ProgramThrow,
+  Throw,
   rangeError,
   type StatementResult,
   typeError,
@@ -62,8 +62,8 @@ import {
 } from "./model.js"
 import { checkStringLength } from "./limits.js"
 import { locate, materialize } from "./errors.js"
-import type { Prototypes } from "./intrinsics.js"
-import { globals, type Host } from "./globals.js"
+import type { Builtins } from "./intrinsics.js"
+import { globals } from "./globals.js"
 import {
   assign,
   Callable,
@@ -72,23 +72,24 @@ import {
   has,
   hasPrototype,
   keys,
-  NativeFunction,
+  Native,
   parseArrayIndex,
-  ProgramArray,
-  ProgramDate,
-  ProgramFunction,
-  ProgramGenerator,
-  ProgramMap,
-  ProgramObject,
-  ProgramPromise,
-  ProgramSet,
-  ProgramURLSearchParams,
+  Arr,
+  Bytes,
+  DateObj,
+  Fn,
+  GeneratorObj,
+  MapObj,
+  Obj,
+  PromiseObj,
+  SetObj,
+  URLSearchParamsObj,
   record,
   remove,
   set,
 } from "./objects.js"
-import { preserveConsumerError, type Runner } from "./runner.js"
-import { PromiseRuntime, resolvePromise, resolvePromiseValue } from "./promises.js"
+import { preserveConsumerError } from "./callback.js"
+import { Pending, resolvePromise, resolvePromiseValue } from "./promises.js"
 import { containsOpaqueReference, describeValue, rejectCircularInsertion, typeofValue } from "./references.js"
 import { ScopeStack } from "./scope.js"
 import { constructRegExp } from "../stdlib/regexp.js"
@@ -129,7 +130,7 @@ const instanceofValue = (lhs: unknown, rhs: unknown, node: AstNode): boolean =>
     throw typeError("The right-hand side of 'instanceof' is not callable.", node)
   }
   const prototype = get(rhs, "prototype")
-  if (!(prototype instanceof ProgramObject)) {
+  if (!(prototype instanceof Obj)) {
     throw typeError("The right-hand side of 'instanceof' has no 'prototype' object.", node)
   }
   return hasPrototype(lhs, prototype)
@@ -220,14 +221,14 @@ const loopDeclaration = (left: VariableDeclaration | Pattern, statement: "for...
 }
 
 type CustomIterator = {
-  iterator: ProgramObject
+  iterator: Obj
   next: unknown
   asynchronous: boolean
 }
 
 /** A resolved member: the object to read through and the receiver that inherited accessors see. */
 type MemberReference = {
-  target: ProgramObject
+  target: Obj
   key: PropertyKey
   receiver: unknown
 }
@@ -249,29 +250,28 @@ type GeneratorState = {
 }
 
 /** One program execution: the tool bridge, promise scheduler, captured logs, and the global scope built once. */
-export class Runtime<R> {
-  readonly runner: Runner<R>
+export class Interpreter<R> {
+  readonly tools: ToolRuntime<R>
+  readonly pending: Pending<R>
+  readonly builtins: Builtins
+  readonly logs: Array<string>
   private readonly root: Frame<R>
 
-  constructor(
-    readonly executeTool: (path: ReadonlyArray<string>, args: Array<unknown>) => Effect.Effect<unknown, unknown, R>,
-    readonly search: (args: Array<unknown>) => Effect.Effect<unknown, unknown, R>,
-    readonly toolKeys: (path: ReadonlyArray<string>) => ReadonlyArray<string>,
-    readonly promises: PromiseRuntime<R>,
-    readonly prototypes: Prototypes,
-    readonly logs: Array<string> = [],
-    extraGlobals: (host: Host<R>) => ReadonlyArray<readonly [string, unknown]> = () => [],
-  ) {
+  constructor(options: {
+    readonly tools: ToolRuntime<R>
+    readonly pending: Pending<R>
+    readonly builtins: Builtins
+    readonly logs?: Array<string>
+    readonly globals?: (ctx: Interpreter<R>) => ReadonlyArray<readonly [string, unknown]>
+  }) {
+    this.tools = options.tools
+    this.pending = options.pending
+    this.builtins = options.builtins
+    this.logs = options.logs ?? []
     const globalScope = new Map<string, Binding>()
     // Calling back into the program never reads frame state, so any frame serves; the root is always alive.
     this.root = new Frame(this, new ScopeStack([globalScope]))
-    this.runner = {
-      invokeCallable: (callable, thisValue, args) => this.root.invokeCallable(callable, thisValue, args),
-      settlePromise: (promise) => this.root.settlePromise(promise),
-      syncIterator: (value) => this.root.syncIterator(value),
-      prototypes,
-    }
-    for (const [name, value] of [...globals(this), ...extraGlobals(this)]) {
+    for (const [name, value] of [...globals(this), ...(options.globals?.(this) ?? [])]) {
       globalScope.set(name, { mutable: false, value })
     }
   }
@@ -279,6 +279,30 @@ export class Runtime<R> {
   run(program: Program): Effect.Effect<unknown, unknown, R> {
     return this.root.run(program)
   }
+
+  call(callable: unknown, thisValue: unknown, args: Array<unknown>): Effect.Effect<unknown, unknown, R> {
+    return this.root.call(callable, thisValue, args)
+  }
+
+  await(promise: PromiseObj): Effect.Effect<unknown, unknown, never> {
+    return this.root.await(promise)
+  }
+
+  iterate(value: unknown) {
+    return this.root.iterate(value)
+  }
+
+  /** Runs one host tool: arguments cross as JSON and the result comes back as program values. */
+  tool(
+    run: (args: Array<Json | undefined>) => Effect.Effect<Json | undefined, unknown, R>,
+    args: Array<unknown>,
+  ): Effect.Effect<unknown, unknown, R> {
+    const ctx = this
+    return Effect.gen(function* () {
+      const json = yield* Effect.forEach(args, (arg) => toBoundary(ctx, arg))
+      return fromJson(ctx, yield* run(json))
+    })
+  }
 }
 
 const MAX_CALL_DEPTH = 10_000
@@ -289,7 +313,7 @@ class Frame<R> {
   private generatorAsync = false
 
   constructor(
-    private readonly runtime: Runtime<R>,
+    private readonly ctx: Interpreter<R>,
     private scopes: ScopeStack,
     /** Nested call depth; resets when an await resumes, since the continuation runs from the job queue. */
     private depth = 0,
@@ -322,7 +346,7 @@ class Frame<R> {
       }
 
       // The implicit async body adopts returned promises before copy-out.
-      value = yield* resolvePromiseValue(self.runtime.runner, value)
+      value = yield* resolvePromiseValue(self.ctx, value)
       return value
     }).pipe(Effect.ensuring(Effect.sync(() => self.scopes.pop())))
   }
@@ -331,16 +355,16 @@ class Frame<R> {
   private createToolCallPromise(
     path: ReadonlyArray<string>,
     args: Array<unknown>,
-  ): Effect.Effect<ProgramPromise, never, R> {
-    return this.runtime.promises.create(Effect.suspend(() => this.runtime.executeTool(path, args)))
+  ): Effect.Effect<PromiseObj, never, R> {
+    return this.ctx.pending.create(this.ctx.tool((json) => this.ctx.tools.execute(path, json), args))
   }
 
   // Fiber exits make settlement idempotent; yielding prevents inline continuation.
-  settlePromise(promise: ProgramPromise): Effect.Effect<unknown, unknown, never> {
-    const promises = this.runtime.promises
+  await(promise: PromiseObj): Effect.Effect<unknown, unknown, never> {
+    const pending = this.ctx.pending
     return Effect.suspend(() => {
-      promises.markObserved(promise)
-      return Effect.flatMap(promises.await(promise), (exit) => Effect.andThen(Effect.yieldNow, exit))
+      pending.markObserved(promise)
+      return Effect.flatMap(pending.await(promise), (exit) => Effect.andThen(Effect.yieldNow, exit))
     })
   }
 
@@ -414,9 +438,9 @@ class Frame<R> {
   private createFunction(
     node: FunctionDeclaration | FunctionExpression | ArrowFunctionExpression,
     name = node.type === "ArrowFunctionExpression" ? "" : (node.id?.name ?? ""),
-  ): ProgramFunction {
-    return new ProgramFunction(
-      this.runtime.prototypes.Function,
+  ): Fn {
+    return new Fn(
+      this.ctx.builtins.Function,
       name,
       node.params,
       node.body,
@@ -626,7 +650,7 @@ class Frame<R> {
       const right = yield* self.evaluateExpression(node.right)
 
       const iterator = yield* self.customIterator(right, node, awaiting)
-      const cursor = iterator === undefined ? yield* self.syncIterator(right, node) : undefined
+      const cursor = iterator === undefined ? yield* self.iterate(right, node) : undefined
       if (iterator === undefined && cursor === undefined) {
         throw invalidData(
           `${awaiting ? "for await...of" : "for...of"} requires an array, string, Map, Set, or URLSearchParams, or custom iterator value.`,
@@ -695,9 +719,9 @@ class Frame<R> {
   }
 
   private awaitValue(value: unknown): Effect.Effect<unknown, unknown, R> {
-    return Effect.flatMap(resolvePromise(this.runtime.runner, this.runtime.promises, value), (promise) =>
+    return Effect.flatMap(resolvePromise(this.ctx, value), (promise) =>
       Effect.ensuring(
-        this.settlePromise(promise),
+        this.await(promise),
         Effect.sync(() => (this.depth = 0)),
       ),
     )
@@ -720,27 +744,29 @@ class Frame<R> {
     })
   }
 
-  syncIterator(value: unknown, node?: AstNode) {
+  iterate(value: unknown, node?: AstNode) {
     const iterator =
-      value instanceof ProgramArray
+      value instanceof Arr
         ? value.items[Symbol.iterator]()
         : typeof value === "string"
           ? value[Symbol.iterator]()
-          : value instanceof ProgramMap
+          : value instanceof MapObj
             ? value.map.entries()
-            : value instanceof ProgramSet
+            : value instanceof SetObj
               ? value.set.values()
-              : value instanceof ProgramURLSearchParams
+              : value instanceof URLSearchParamsObj
                 ? value.params.entries()
-                : undefined
+                : value instanceof Bytes
+                  ? value.bytes.values()
+                  : undefined
     if (iterator !== undefined) {
-      const proto = this.runtime.prototypes.Array
+      const proto = this.ctx.builtins.Array
       return Effect.succeed({
         next: Effect.sync(() => {
           const step = iterator.next()
           return {
             done: Boolean(step.done),
-            value: Array.isArray(step.value) ? new ProgramArray(proto, step.value) : step.value,
+            value: Array.isArray(step.value) ? new Arr(proto, step.value) : step.value,
           }
         }),
         close: Effect.void,
@@ -758,13 +784,13 @@ class Frame<R> {
   }
 
   private customIterator(value: unknown, node: AstNode | undefined, allowAsync = true) {
-    if (!(value instanceof ProgramObject)) return Effect.undefined
+    if (!(value instanceof Obj)) return Effect.undefined
     const asyncMethod = allowAsync ? get(value, AsyncIteratorSymbol) : undefined
     const method = asyncMethod ?? get(value, IteratorSymbol)
     if (method === undefined || method === null) return Effect.undefined
     const self = this
     return Effect.map(
-      this.invokeCallable(this.requireIteratorMethod(method, "Iterator method", node), value, [], node),
+      this.call(this.requireIteratorMethod(method, "Iterator method", node), value, [], node),
       (iterator) => {
         const object = self.requireIteratorObject(iterator, "Iterator method result", node)
         return {
@@ -781,14 +807,14 @@ class Frame<R> {
     return Effect.gen(function* () {
       if (iterator.asynchronous) {
         const object = self.requireIteratorObject(
-          yield* self.awaitValue(yield* self.invokeCallable(iterator.next, iterator.iterator, [], node)),
+          yield* self.awaitValue(yield* self.call(iterator.next, iterator.iterator, [], node)),
           "Iterator next() result",
           node,
         )
         return { done: Boolean(get(object, "done")), value: get(object, "value") }
       }
 
-      const called = yield* Effect.exit(self.invokeCallable(iterator.next, iterator.iterator, [], node))
+      const called = yield* Effect.exit(self.call(iterator.next, iterator.iterator, [], node))
       if (!Exit.isSuccess(called)) {
         if (awaiting) yield* Effect.yieldNow
         return yield* Effect.failCause(called.cause)
@@ -824,14 +850,14 @@ class Frame<R> {
       const method = self.requireIteratorMethod(close, "Iterator return", node)
       if (iterator.asynchronous) {
         self.requireIteratorObject(
-          yield* self.awaitValue(yield* self.invokeCallable(method, iterator.iterator, [], node)),
+          yield* self.awaitValue(yield* self.call(method, iterator.iterator, [], node)),
           "Iterator return() result",
           node,
         )
         return
       }
 
-      const called = yield* Effect.exit(self.invokeCallable(method, iterator.iterator, [], node))
+      const called = yield* Effect.exit(self.call(method, iterator.iterator, [], node))
       if (!Exit.isSuccess(called)) {
         if (awaiting) yield* Effect.yieldNow
         return yield* Effect.failCause(called.cause)
@@ -847,8 +873,8 @@ class Frame<R> {
     })
   }
 
-  private requireIteratorObject(value: unknown, context: string, node?: AstNode): ProgramObject {
-    if (value instanceof ProgramObject) return value
+  private requireIteratorObject(value: unknown, context: string, node?: AstNode): Obj {
+    if (value instanceof Obj) return value
     throw typeError(`${context} must be an object.`, node)
   }
 
@@ -859,9 +885,9 @@ class Frame<R> {
 
   // for...in over null/undefined iterates nothing, like JS.
   private enumerableKeys(value: unknown, node: AstNode): Array<string> {
-    if (value instanceof ToolReference) return [...this.runtime.toolKeys(value.path)]
+    if (value instanceof ToolReference) return [...this.ctx.tools.keys(value.path)]
     if (value === null || value === undefined) return []
-    return keys(enumerableSource(this.runtime.runner, "for...in", value, node))
+    return keys(enumerableSource(this.ctx, "for...in", value, node))
   }
 
   private evaluateForInStatement(
@@ -951,7 +977,7 @@ class Frame<R> {
   }
 
   private evaluateThrowStatement(node: ThrowStatement): Effect.Effect<StatementResult, unknown, R> {
-    return Effect.flatMap(this.evaluateExpression(node.argument), (value) => Effect.fail(new ProgramThrow(value)))
+    return Effect.flatMap(this.evaluateExpression(node.argument), (value) => Effect.fail(new Throw(value)))
   }
 
   private evaluateTryStatement(node: TryStatement): Effect.Effect<StatementResult, unknown, R> {
@@ -966,7 +992,7 @@ class Frame<R> {
           return Effect.failCause(cause)
         }
 
-        const caught = materialize(self.runtime.runner, Cause.squash(cause))
+        const caught = materialize(self.ctx, Cause.squash(cause))
         const parameter = handler.param
         self.scopes.push()
         return Effect.gen(function* () {
@@ -1043,7 +1069,7 @@ class Frame<R> {
       }
 
       if (pattern.type === "ObjectPattern") {
-        if (!(value instanceof ProgramObject)) {
+        if (!(value instanceof Obj)) {
           throw typeError(
             `Object destructuring requires a data object or array value, received ${describeValue(value)}.`,
             pattern,
@@ -1053,7 +1079,7 @@ class Frame<R> {
         const consumed = new Set<PropertyKey>()
         for (const property of pattern.properties) {
           if (property.type === "RestElement") {
-            const rest = new ProgramObject(self.runtime.prototypes.Object)
+            const rest = new Obj(self.ctx.builtins.Object)
             assign(rest, value, consumed)
             yield* self.declarePattern(property.argument, rest, mutable, property, initialize)
             continue
@@ -1102,7 +1128,7 @@ class Frame<R> {
       }
 
       if (pattern.type === "ObjectPattern") {
-        if (!(value instanceof ProgramObject)) {
+        if (!(value instanceof Obj)) {
           throw invalidData(
             `Object destructuring requires a data object or array value, received ${describeValue(value)}.`,
             pattern,
@@ -1112,7 +1138,7 @@ class Frame<R> {
         const consumed = new Set<PropertyKey>()
         for (const property of pattern.properties) {
           if (property.type === "RestElement") {
-            const rest = new ProgramObject(self.runtime.prototypes.Object)
+            const rest = new Obj(self.ctx.builtins.Object)
             assign(rest, value, consumed)
             yield* self.assignPattern(property.argument, rest, property)
             continue
@@ -1147,7 +1173,7 @@ class Frame<R> {
   ): Effect.Effect<void, unknown, R> {
     const self = this
     return Effect.gen(function* () {
-      const cursor = yield* self.syncIterator(value, pattern)
+      const cursor = yield* self.iterate(value, pattern)
       if (cursor === undefined) {
         throw typeError("Array destructuring requires a supported iterable value.", pattern)
       }
@@ -1157,7 +1183,7 @@ class Frame<R> {
           if (element === null) continue
           yield* consume(
             element.type === "RestElement" ? element.argument : element,
-            element.type === "RestElement" ? new ProgramArray(self.runtime.prototypes.Array) : undefined,
+            element.type === "RestElement" ? new Arr(self.ctx.builtins.Array) : undefined,
             element,
           )
           if (element.type === "RestElement") return
@@ -1174,7 +1200,7 @@ class Frame<R> {
             done = next.done
             if (!done) rest.push(next.value)
           }
-          yield* consume(element.argument, new ProgramArray(self.runtime.prototypes.Array, rest), element)
+          yield* consume(element.argument, new Arr(self.ctx.builtins.Array, rest), element)
           return
         }
         const consumed = consume(element, step.done ? undefined : step.value, pattern)
@@ -1201,8 +1227,9 @@ class Frame<R> {
     switch (node.type) {
       case "Literal": {
         const regex = node.regex
-        if (regex) return Effect.sync(() => constructRegExp(this.runtime.prototypes, [regex.pattern, regex.flags]))
-        return Effect.sync(() => toProgram(this.runtime.prototypes, node.value, "Literal"))
+        if (regex) return Effect.sync(() => constructRegExp(this.ctx.builtins, [regex.pattern, regex.flags]))
+        if (typeof node.value === "bigint") throw typeError("BigInt literals are not supported.", node)
+        return Effect.succeed(node.value)
       }
       case "Identifier":
         return Effect.sync(() => this.scopes.get(node.name, node))
@@ -1263,22 +1290,22 @@ class Frame<R> {
     return Effect.gen(function* () {
       const callee = yield* self.evaluateExpression(node.callee)
       // Globals are built with this interpreter's R; `instanceof` cannot recover the type argument.
-      const construct = callee instanceof NativeFunction ? (callee as NativeFunction<R>).construct : undefined
+      const construct = callee instanceof Native ? (callee as Native<R>).construct : undefined
       if (construct === undefined) {
         // `new` itself is supported, so a non-constructible callee is a TypeError like JS rather than
         // unsupported syntax. Built-ins like Number are real constructors in JS, so do not claim
         // otherwise; say `new` is unsupported for them and point at the plain call.
         const name = calleeDescription(node.callee)
         const message =
-          callee instanceof ProgramFunction
+          callee instanceof Fn
             ? `${name} cannot be constructed: user-defined constructors and classes are not supported. Call it as a function that returns a plain object instead.`
-            : callee instanceof NativeFunction
+            : callee instanceof Native
               ? `new ${name}(...) is not supported; call ${name}(...) without new instead.`
               : `${name} is not a constructor.`
         throw typeError(message, node)
       }
       const args = yield* self.evaluateCallArguments(node.arguments)
-      return yield* self.native(() => construct(args, callee as NativeFunction<R>), node)
+      return yield* self.native(() => construct(args, callee as Native<R>), node)
     })
   }
 
@@ -1291,18 +1318,14 @@ class Frame<R> {
       const lhs = yield* self.evaluateExpression(left)
       const rhs = yield* self.evaluateExpression(node.right)
       if (operator === "instanceof") return instanceofValue(lhs, rhs, node)
-      return toProgram(
-        self.runtime.prototypes,
-        self.applyBinaryOperator(operator, lhs, rhs, node),
-        "Binary expression result",
-      )
+      return self.applyBinaryOperator(operator, lhs, rhs, node)
     })
   }
 
   private applyBinaryOperator(operator: string, lhs: unknown, rhs: unknown, node: AstNode): unknown {
     if (operator === "===") return lhs === rhs
     if (operator === "!==") return lhs !== rhs
-    if (operator === "in" && rhs instanceof ProgramObject && !containsOpaqueReference(lhs)) {
+    if (operator === "in" && rhs instanceof Obj && !containsOpaqueReference(lhs)) {
       return has(rhs, lhs !== null && typeof lhs === "object" ? coerceToString(lhs) : (lhs as PropertyKey))
     }
     if (containsOpaqueReference(lhs) || containsOpaqueReference(rhs)) {
@@ -1311,7 +1334,7 @@ class Frame<R> {
     // Null-prototype data needs explicit primitive coercion; identity and `in` retain raw objects.
     // Dates use their default string hint for addition and loose equality, and epoch time elsewhere.
     const coerceOperand = (operand: unknown): unknown => {
-      if (operand instanceof ProgramDate) {
+      if (operand instanceof DateObj) {
         return operator === "+" || operator === "==" || operator === "!=" ? coerceToString(operand) : operand.time
       }
       return operand !== null && typeof operand === "object" ? coerceToString(operand) : operand
@@ -1360,7 +1383,7 @@ class Frame<R> {
       case ">>>":
         return (l as number) >>> (r as number)
       case "in":
-        if (!(rhs instanceof ProgramObject)) {
+        if (!(rhs instanceof Obj)) {
           throw typeError("The 'in' operator requires a data object on the right-hand side.", node)
         }
         return has(rhs, coerceOperand(lhs) as PropertyKey)
@@ -1396,7 +1419,7 @@ class Frame<R> {
         throw invalidData("Unary operators require data values.", node)
       }
       const operand =
-        value instanceof ProgramDate
+        value instanceof DateObj
           ? value.time
           : value !== null && typeof value === "object"
             ? coerceToString(value)
@@ -1415,7 +1438,7 @@ class Frame<R> {
         default:
           throw typeError(`Unsupported unary operator '${operator}'.`, node)
       }
-      return toProgram(this.runtime.prototypes, result, "Unary expression result")
+      return result
     })
   }
 
@@ -1437,12 +1460,7 @@ class Frame<R> {
         if (operator !== "=") {
           const current = self.scopes.get(name, left)
           const rightValue = yield* self.evaluateExpression(node.right)
-          const next = toProgram(
-            self.runtime.prototypes,
-            self.applyCompoundAssignment(operator, current, rightValue, node),
-            "Assignment result",
-          )
-          return self.scopes.set(name, next, left)
+          return self.scopes.set(name, self.applyCompoundAssignment(operator, current, rightValue, node), left)
         }
         const rightValue = yield* self.evaluateNamed(node.right, name)
         return self.scopes.set(name, rightValue, left)
@@ -1451,11 +1469,7 @@ class Frame<R> {
         return yield* self.modifyMember(left, (current) =>
           Effect.map(self.evaluateExpression(node.right), (rightValue) => {
             if (operator === "=") return { write: true, next: rightValue, result: rightValue }
-            const next = toProgram(
-              self.runtime.prototypes,
-              self.applyCompoundAssignment(operator, current, rightValue, node),
-              "Assignment result",
-            )
+            const next = self.applyCompoundAssignment(operator, current, rightValue, node)
             return { write: true, next, result: next }
           }),
         )
@@ -1551,7 +1565,7 @@ class Frame<R> {
       if ((callable === null || callable === undefined) && node.optional) return OptionalShortCircuit
 
       const args = yield* self.evaluateCallArguments(node.arguments)
-      return yield* self.invokeCallable(callable, thisValue, args, node, callee)
+      return yield* self.call(callable, thisValue, args, node, callee)
     })
   }
 
@@ -1565,7 +1579,7 @@ class Frame<R> {
   }
 
   // The single dispatch for every invocation: call expressions and callbacks share it.
-  invokeCallable(
+  call(
     callable: unknown,
     thisValue: unknown,
     args: Array<unknown>,
@@ -1580,9 +1594,9 @@ class Frame<R> {
         }
         return yield* self.createToolCallPromise(callable.path, args)
       }
-      if (callable instanceof ProgramFunction) return yield* self.invokeFunction(callable, args, node)
-      if (callable instanceof NativeFunction) {
-        return yield* self.native(() => (callable as NativeFunction<R>).call(thisValue, args), node)
+      if (callable instanceof Fn) return yield* self.invokeFunction(callable, args, node)
+      if (callable instanceof Native) {
+        return yield* self.native(() => (callable as Native<R>).call(thisValue, args), node)
       }
       throw typeError(`${calleeDescription(callee)} is not a function.`, callee ?? node)
     })
@@ -1606,7 +1620,7 @@ class Frame<R> {
       for (const argNode of argNodes) {
         if (argNode.type === "SpreadElement") {
           const spread = yield* self.evaluateExpression(argNode.argument)
-          const cursor = yield* self.syncIterator(spread, argNode)
+          const cursor = yield* self.iterate(spread, argNode)
           if (cursor === undefined) throw typeError("Spread arguments require a synchronous iterable.", argNode)
           while (true) {
             const step = yield* cursor.next
@@ -1622,12 +1636,12 @@ class Frame<R> {
   }
 
   // A callback invoked by a built-in runs below the call that invoked the built-in, so the deeper of the two counts.
-  invokeFunction(fn: ProgramFunction, args: Array<unknown>, node?: AstNode): Effect.Effect<unknown, unknown, R> {
+  invokeFunction(fn: Fn, args: Array<unknown>, node?: AstNode): Effect.Effect<unknown, unknown, R> {
     const self = this
     return Effect.flatMap(CallSite, (site) => {
       const depth = Math.max(self.depth, site.depth) + 1
       if (depth > MAX_CALL_DEPTH) throw rangeError("Maximum call stack size exceeded", node)
-      const invocation = new Frame(this.runtime, new ScopeStack([...fn.capturedScopes, new Map()]), depth)
+      const invocation = new Frame(this.ctx, new ScopeStack([...fn.capturedScopes, new Map()]), depth)
       const run = Effect.gen(function* () {
         // Seed all parameters first so defaults cannot fall through to same-named outer bindings.
         const paramScope = invocation.scopes.current()
@@ -1640,7 +1654,7 @@ class Frame<R> {
           if (parameter.type === "RestElement") {
             yield* invocation.declarePattern(
               parameter.argument,
-              new ProgramArray(self.runtime.prototypes.Array, args.slice(index)),
+              new Arr(self.ctx.builtins.Array, args.slice(index)),
               true,
               parameter,
               true,
@@ -1661,8 +1675,8 @@ class Frame<R> {
       })
       if (fn.generator) return Effect.succeed(this.createGenerator(invocation, run, fn.async))
       if (!fn.async) return run
-      return this.runtime.promises.createWithSelf((self) =>
-        Effect.flatMap(run, (value) => resolvePromiseValue(invocation.runtime.runner, value, self)),
+      return this.ctx.pending.createWithSelf((self) =>
+        Effect.flatMap(run, (value) => resolvePromiseValue(invocation.ctx, value, self)),
       )
     })
   }
@@ -1671,12 +1685,12 @@ class Frame<R> {
     invocation: Frame<R>,
     run: Effect.Effect<unknown, unknown, R>,
     asynchronous: boolean,
-  ): ProgramGenerator {
+  ): GeneratorObj {
     const state: GeneratorState = { started: false, completed: false, draining: false, pending: [], pendingIndex: 0 }
     invocation.generatorState = state
     invocation.generatorAsync = asynchronous
-    const protos = this.runtime.prototypes
-    const result = (value: unknown, done: boolean) => record(protos.Object, { value, done })
+    const builtins = this.ctx.builtins
+    const result = (value: unknown, done: boolean) => record(builtins.Object, { value, done })
     const request = (kind: GeneratorRequestKind, value: unknown) => {
       const request = { kind, value, response: Deferred.makeUnsafe<unknown, unknown>() }
       if (!asynchronous && state.active) return Effect.die(typeError("Generator is already running."))
@@ -1687,7 +1701,7 @@ class Frame<R> {
         if (state.draining) return Deferred.await(request.response)
         state.draining = true
         return Effect.andThen(
-          this.runtime.promises.fork(
+          this.ctx.pending.fork(
             invocation
               .completeGeneratorRequests(state, true)
               .pipe(Effect.ensuring(Effect.sync(() => (state.draining = false)))),
@@ -1696,12 +1710,12 @@ class Frame<R> {
         )
       }
       if (state.completed) {
-        if (kind === "throw") return Effect.fail(new ProgramThrow(value))
+        if (kind === "throw") return Effect.fail(new Throw(value))
         return Effect.succeed(result(kind === "return" ? value : undefined, true))
       }
       if (!state.started && kind !== "next") {
         state.completed = true
-        if (kind === "throw") return Effect.fail(new ProgramThrow(value))
+        if (kind === "throw") return Effect.fail(new Throw(value))
         return Effect.succeed(result(value, true))
       }
 
@@ -1735,12 +1749,12 @@ class Frame<R> {
           yield* invocation.completeGeneratorRequests(state, asynchronous)
           state.completed = true
         })
-        return Effect.andThen(this.runtime.promises.fork(body), Deferred.await(request.response))
+        return Effect.andThen(this.ctx.pending.fork(body), Deferred.await(request.response))
       }
       return Deferred.await(request.response)
     }
-    const generator = new ProgramGenerator(
-      asynchronous ? protos.AsyncGenerator : protos.Generator,
+    const generator = new GeneratorObj(
+      asynchronous ? builtins.AsyncGenerator : builtins.Generator,
       asynchronous,
       request,
     )
@@ -1749,13 +1763,13 @@ class Frame<R> {
 
   private completeGeneratorRequests(state: GeneratorState, asynchronous: boolean): Effect.Effect<void, never, R> {
     const self = this
-    const result = (value: unknown, done: boolean) => record(self.runtime.prototypes.Object, { value, done })
+    const result = (value: unknown, done: boolean) => record(self.ctx.builtins.Object, { value, done })
     return Effect.gen(function* () {
       while (true) {
         const pending = self.dequeueGeneratorRequest(state)
         if (!pending) return
         if (pending.kind === "throw") {
-          Deferred.doneUnsafe(pending.response, Exit.fail(new ProgramThrow(pending.value)))
+          Deferred.doneUnsafe(pending.response, Exit.fail(new Throw(pending.value)))
           continue
         }
         if (asynchronous && pending.kind === "return") {
@@ -1813,15 +1827,12 @@ class Frame<R> {
   private suspendGenerator(value: unknown, node: AstNode): Effect.Effect<unknown, unknown, R> {
     const state = this.generatorState
     if (!state?.active) throw typeError("Generator has no active request.", node)
-    Deferred.doneUnsafe(
-      state.active.response,
-      Exit.succeed(record(this.runtime.prototypes.Object, { value, done: false })),
-    )
+    Deferred.doneUnsafe(state.active.response, Exit.succeed(record(this.ctx.builtins.Object, { value, done: false })))
     state.active = undefined
     return Effect.flatMap(this.takeGeneratorRequest(state), (request) => {
       state.active = request
       if (request.kind === "next") return Effect.succeed(request.value)
-      if (request.kind === "throw") return Effect.fail(new ProgramThrow(request.value))
+      if (request.kind === "throw") return Effect.fail(new Throw(request.value))
       return this.generatorAsync
         ? Effect.flatMap(this.awaitValue(request.value), (value) => Effect.fail(new GeneratorReturn(value)))
         : Effect.fail(new GeneratorReturn(request.value))
@@ -1832,13 +1843,14 @@ class Frame<R> {
     const self = this
     return Effect.gen(function* () {
       if (
-        value instanceof ProgramArray ||
+        value instanceof Arr ||
         typeof value === "string" ||
-        value instanceof ProgramMap ||
-        value instanceof ProgramSet ||
-        value instanceof ProgramURLSearchParams
+        value instanceof MapObj ||
+        value instanceof SetObj ||
+        value instanceof URLSearchParamsObj ||
+        value instanceof Bytes
       ) {
-        const cursor = yield* self.syncIterator(value, node)
+        const cursor = yield* self.iterate(value, node)
         if (!cursor) throw typeError("Built-in iterator is unavailable.", node)
         while (true) {
           const step = yield* cursor.next
@@ -1852,7 +1864,7 @@ class Frame<R> {
             yield* cursor.close
             return yield* Effect.fail(error)
           }
-          if (error instanceof ProgramThrow) {
+          if (error instanceof Throw) {
             yield* cursor.close
             throw typeError("The delegated iterator does not provide a throw() method.", node)
           }
@@ -1871,7 +1883,7 @@ class Frame<R> {
           yield* self.closeIterator(iterator, node, self.generatorAsync)
           throw typeError("The delegated iterator does not provide a throw() method.", node)
         }
-        const called = yield* self.invokeCallable(
+        const called = yield* self.call(
           self.requireIteratorMethod(method, `Iterator ${kind}`, node),
           iterator.iterator,
           [input],
@@ -1899,7 +1911,7 @@ class Frame<R> {
           continue
         }
         const error: unknown = Cause.squash(resumed.cause)
-        if (!(error instanceof GeneratorReturn) && !(error instanceof ProgramThrow)) {
+        if (!(error instanceof GeneratorReturn) && !(error instanceof Throw)) {
           return yield* Effect.failCause(resumed.cause)
         }
         kind = error instanceof GeneratorReturn ? "return" : "throw"
@@ -1908,15 +1920,15 @@ class Frame<R> {
     })
   }
 
-  private evaluateObjectExpression(node: ObjectExpression): Effect.Effect<ProgramObject, unknown, R> {
-    const objectValue = new ProgramObject(this.runtime.prototypes.Object)
+  private evaluateObjectExpression(node: ObjectExpression): Effect.Effect<Obj, unknown, R> {
+    const objectValue = new Obj(this.ctx.builtins.Object)
     const self = this
     return Effect.gen(function* () {
       for (const property of node.properties) {
         if (property.type === "SpreadElement") {
           const spread = yield* self.evaluateExpression(property.argument)
           if (spread === null || spread === undefined) continue
-          assign(objectValue, enumerableSource(self.runtime.runner, "Object spread", spread, property))
+          assign(objectValue, enumerableSource(self.ctx, "Object spread", spread, property))
           continue
         }
 
@@ -1951,7 +1963,7 @@ class Frame<R> {
     })
   }
 
-  private evaluateArrayExpression(node: ArrayExpression): Effect.Effect<ProgramArray, unknown, R> {
+  private evaluateArrayExpression(node: ArrayExpression): Effect.Effect<Arr, unknown, R> {
     const values: Array<unknown> = []
 
     const self = this
@@ -1964,7 +1976,7 @@ class Frame<R> {
         }
         if (element.type === "SpreadElement") {
           const spread = yield* self.evaluateExpression(element.argument)
-          const cursor = yield* self.syncIterator(spread, element)
+          const cursor = yield* self.iterate(spread, element)
           if (cursor === undefined) throw typeError("Array spread requires a synchronous iterable.", element)
           while (true) {
             const step = yield* cursor.next
@@ -1975,7 +1987,7 @@ class Frame<R> {
           values.push(yield* self.evaluateExpression(element))
         }
       }
-      return new ProgramArray(self.runtime.prototypes.Array, values)
+      return new Arr(self.ctx.builtins.Array, values)
     })
   }
 
@@ -1998,7 +2010,7 @@ class Frame<R> {
 
         if (index < expressions.length) {
           const raw = yield* self.evaluateExpression(expressions[index])
-          output += coerceToString(toProgram(self.runtime.prototypes, raw, "Template interpolation"))
+          output += coerceToString(raw)
           checkStringLength(output.length)
         }
       }
@@ -2046,18 +2058,18 @@ class Frame<R> {
         return new ToolReference([...objectValue.path, key])
       }
 
-      if (objectValue instanceof ProgramObject) return { target: objectValue, key, receiver: objectValue }
+      if (objectValue instanceof Obj) return { target: objectValue, key, receiver: objectValue }
 
       // Primitives read through their wrapper prototype without being boxed; strings own length and indexes.
-      const protos = self.runtime.prototypes
+      const builtins = self.ctx.builtins
       if (typeof objectValue === "string") {
         if (key === "length") return { value: objectValue.length }
         const index = typeof key === "symbol" ? undefined : parseArrayIndex(key)
         if (index !== undefined) return { value: objectValue[index] }
-        return { target: protos.String, key, receiver: objectValue }
+        return { target: builtins.String, key, receiver: objectValue }
       }
-      if (typeof objectValue === "number") return { target: protos.Number, key, receiver: objectValue }
-      if (typeof objectValue === "boolean") return { target: protos.Boolean, key, receiver: objectValue }
+      if (typeof objectValue === "number") return { target: builtins.Number, key, receiver: objectValue }
+      if (typeof objectValue === "boolean") return { target: builtins.Boolean, key, receiver: objectValue }
 
       if (objectValue === null || objectValue === undefined) {
         throw typeError(`Cannot read properties of ${objectValue} (reading '${String(key)}').`, objectNode)
@@ -2068,7 +2080,7 @@ class Frame<R> {
 
   private readReference(reference: MemberReference, node: MemberExpression): unknown {
     // Reject unknown promise properties so a missing await cannot hide.
-    if (reference.target instanceof ProgramPromise && !has(reference.target, reference.key)) {
+    if (reference.target instanceof PromiseObj && !has(reference.target, reference.key)) {
       throw invalidData(
         "This value is an un-awaited Promise; await it first - e.g. `const result = await tools.ns.tool(...)`.",
         node.object,
@@ -2078,7 +2090,7 @@ class Frame<R> {
   }
 
   // Accessors throw without a location; the member or pattern that read them supplies it.
-  private readProperty(target: ProgramObject, key: PropertyKey, node: AstNode, receiver: unknown = target): unknown {
+  private readProperty(target: Obj, key: PropertyKey, node: AstNode, receiver: unknown = target): unknown {
     try {
       return get(target, key, receiver)
     } catch (error) {
@@ -2138,13 +2150,13 @@ class Frame<R> {
     })
   }
 
-  private assignToReference(target: ProgramObject, key: PropertyKey, next: unknown, node: AstNode): void {
+  private assignToReference(target: Obj, key: PropertyKey, next: unknown, node: AstNode): void {
     const written = (() => {
       try {
         rejectCircularInsertion(
           target,
           next,
-          target instanceof ProgramArray ? "Array assignment result" : "Object assignment result",
+          target instanceof Arr ? "Array assignment result" : "Object assignment result",
         )
         return set(target, key, next)
       } catch (error) {
@@ -2152,7 +2164,7 @@ class Frame<R> {
       }
     })()
     if (written) return
-    if (target instanceof ProgramArray && key === "length") throw rangeError("Invalid array length", node)
+    if (target instanceof Arr && key === "length") throw rangeError("Invalid array length", node)
     throw typeError(`Cannot assign to read only property '${String(key)}'.`, node)
   }
 

packages/codemode/src/interpreter/intrinsics.ts

@@ -1,5 +1,5 @@
 import { Effect } from "effect"
-import { define, hidden, NativeFunction, ProgramArray, ProgramError, ProgramObject } from "./objects.js"
+import { define, hidden, Native, Arr, ErrorObj, Obj } from "./objects.js"
 
 export const errorTypes = [
   "Error",
@@ -29,6 +29,9 @@ const builtins = [
   "Set",
   "URL",
   "URLSearchParams",
+  "Uint8Array",
+  "TextEncoder",
+  "TextDecoder",
   "Promise",
   "Iterator",
   "AsyncIterator",
@@ -40,24 +43,24 @@ const builtins = [
  * The built-in prototype objects of one runtime, allocated empty in dependency order. The globals populate them
  * and attach their constructors when the runtime is built.
  */
-export type Prototypes = Readonly<Record<(typeof builtins)[number] | ErrorType, ProgramObject>>
+export type Builtins = Readonly<Record<(typeof builtins)[number] | ErrorType, Obj>>
 
-export const createErrorValue = (prototype: ProgramObject, message: string | undefined): ProgramError => {
-  const value = new ProgramError(prototype)
+export const createErrorValue = (prototype: Obj, message: string | undefined): ErrorObj => {
+  const value = new ErrorObj(prototype)
   if (message !== undefined) define(value, "message", message, hidden)
   return value
 }
 
-export const createPrototypes = (): Prototypes => {
-  const object = new ProgramObject(null)
+export const createBuiltins = (): Builtins => {
+  const object = new Obj(null)
   // Function.prototype is itself callable and returns undefined.
-  const fn = new NativeFunction(object, { name: "", call: () => Effect.undefined })
-  const plain = () => new ProgramObject(object)
+  const fn = new Native(object, { name: "", call: () => Effect.undefined })
+  const plain = () => new Obj(object)
   const error = plain()
   define(error, "name", "Error", hidden)
   define(error, "message", "", hidden)
   const derived = (type: ErrorType) => {
-    const proto = new ProgramObject(error)
+    const proto = new Obj(error)
     define(proto, "name", type, hidden)
     define(proto, "message", "", hidden)
     return proto
@@ -67,7 +70,7 @@ export const createPrototypes = (): Prototypes => {
   return {
     Object: object,
     Function: fn,
-    Array: new ProgramArray(object),
+    Array: new Arr(object),
     String: plain(),
     Number: plain(),
     Boolean: plain(),
@@ -77,11 +80,14 @@ export const createPrototypes = (): Prototypes => {
     Set: plain(),
     URL: plain(),
     URLSearchParams: plain(),
+    Uint8Array: plain(),
+    TextEncoder: plain(),
+    TextDecoder: plain(),
     Promise: plain(),
     Iterator: iterator,
     AsyncIterator: asyncIterator,
-    Generator: new ProgramObject(iterator),
-    AsyncGenerator: new ProgramObject(asyncIterator),
+    Generator: new Obj(iterator),
+    AsyncGenerator: new Obj(asyncIterator),
     Error: error,
     TypeError: derived("TypeError"),
     RangeError: derived("RangeError"),

packages/codemode/src/interpreter/limits.ts

@@ -9,6 +9,8 @@ export const MAX_STRING_LENGTH = 1 << 24
 export const MAX_ARRAY_LENGTH = 10_000_000
 /** Most promises that may be pending at once. */
 export const MAX_PENDING_PROMISES = 10_000
+/** Deepest nesting a value may have when it crosses to or from the host. */
+export const MAX_VALUE_DEPTH = 32
 
 export const checkStringLength = (length: number): void => {
   if (length > MAX_STRING_LENGTH) throw rangeError("Invalid string length")