fix(tui): use event union for data handling

2026-10-20 04:07:02 +08:00 · 2026-06-26 16:38:54 -04:00
126 changed files with 1524 additions and 1947 deletions
@@ -205,9 +205,13 @@
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      },
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@@ -6254,6 +6263,8 @@

    "gaxios/node-fetch": ["node-fetch@3.3.2", "", { "dependencies": { "data-uri-to-buffer": "^4.0.0", "fetch-blob": "^3.1.4", "formdata-polyfill": "^4.0.10" } }, "sha512-dRB78srN/l6gqWulah9SrxeYnxeddIG30+GOqK/9OlLVyLg3HPnr6SqOWTWOXKRwC2eGYCkZ59NNuSgvSrpgOA=="],

+    "gitlab-ai-provider/openai": ["openai@6.39.1", "", { "peerDependencies": { "ws": "^8.18.0", "zod": "^3.25 || ^4.0" }, "optionalPeers": ["ws", "zod"], "bin": { "openai": "bin/cli" } }, "sha512-z3dO9fEWOXBzlXynVb/xZ/tujzUjFWQWn3C0n0mw6Vo0zJTbEkaN4b2cLWjhJ6haJQx8LlREoafHRl+Gu/Hl+A=="],
+
    "gitlab-ai-provider/zod": ["zod@3.25.76", "", {}, "sha512-gzUt/qt81nXsFGKIFcC3YnfEAx5NkunCfnDlvuBSSFS02bcXu4Lmea0AFIUwbLWxWPx3d9p8S5QoaujKcNQxcQ=="],

    "globby/ignore": ["ignore@5.3.2", "", {}, "sha512-hsBTNUqQTDwkWtcdYI2i06Y/nUBEsNEDJKjWdigLvegy8kDuJAS8uRlpkkcQpyEXL0Z/pjDy5HBmMjRCJ2gq+g=="],
@@ -6320,6 +6331,10 @@

    "nypm/tinyexec": ["tinyexec@1.2.4", "", {}, "sha512-SHf/r48b7vOrjve9PxJo3MN5v5yuyjHvdUcrQffT3WXMUfnGmHDVbC4k3sHJaJTgZCwpUplIaAo5ANtMyp3YHg=="],

+    "opencode/@ai-sdk/openai": ["@ai-sdk/openai@3.0.53", "", { "dependencies": { "@ai-sdk/provider": "3.0.8", "@ai-sdk/provider-utils": "4.0.23" }, "peerDependencies": { "zod": "^3.25.76 || ^4.1.8" } }, "sha512-Wld+Rbc05KaUn08uBt06eEuwcgalcIFtIl32Yp+GxuZXUQwOb6YeAuq+C6da4ch6BurFoqEaLemJVwjBb7x+PQ=="],
+
+    "opencode/@ai-sdk/openai-compatible": ["@ai-sdk/openai-compatible@2.0.41", "", { "dependencies": { "@ai-sdk/provider": "3.0.8", "@ai-sdk/provider-utils": "4.0.23" }, "peerDependencies": { "zod": "^3.25.76 || ^4.1.8" } }, "sha512-kNAGINk71AlOXx10Dq/PXw4t/9XjdK8uxfpVElRwtSFMdeSiLVt58p9TPx4/FJD+hxZuVhvxYj9r42osxWq79g=="],
+
    "opencode/@solid-primitives/scheduled": ["@solid-primitives/scheduled@1.5.2", "", { "peerDependencies": { "solid-js": "^1.6.12" } }, "sha512-/j2igE0xyNaHhj6kMfcUQn5rAVSTLbAX+CDEBm25hSNBmNiHLu2lM7Usj2kJJ5j36D67bE8wR1hBNA8hjtvsQA=="],

    "opencode/minimatch": ["minimatch@10.0.3", "", { "dependencies": { "@isaacs/brace-expansion": "^5.0.0" } }, "sha512-IPZ167aShDZZUMdRk66cyQAW3qr0WzbHkPdMYa8bzZhlHhO3jALbKdxcaak7W9FfT2rZNpQuUu4Od7ILEpXSaw=="],
@@ -6510,6 +6525,10 @@

    "@ai-sdk/mistral/@ai-sdk/provider-utils/@standard-schema/spec": ["@standard-schema/spec@1.1.0", "", {}, "sha512-l2aFy5jALhniG5HgqrD6jXLi/rUWrKvqN/qJx6yoJsgKhblVd+iqqU4RCXavm/jPityDo5TCvKMnpjKnOriy0w=="],

+    "@ai-sdk/openai-compatible/@ai-sdk/provider-utils/@standard-schema/spec": ["@standard-schema/spec@1.1.0", "", {}, "sha512-l2aFy5jALhniG5HgqrD6jXLi/rUWrKvqN/qJx6yoJsgKhblVd+iqqU4RCXavm/jPityDo5TCvKMnpjKnOriy0w=="],
+
+    "@ai-sdk/openai/@ai-sdk/provider-utils/@standard-schema/spec": ["@standard-schema/spec@1.1.0", "", {}, "sha512-l2aFy5jALhniG5HgqrD6jXLi/rUWrKvqN/qJx6yoJsgKhblVd+iqqU4RCXavm/jPityDo5TCvKMnpjKnOriy0w=="],
+
    "@ai-sdk/perplexity/@ai-sdk/provider-utils/@standard-schema/spec": ["@standard-schema/spec@1.1.0", "", {}, "sha512-l2aFy5jALhniG5HgqrD6jXLi/rUWrKvqN/qJx6yoJsgKhblVd+iqqU4RCXavm/jPityDo5TCvKMnpjKnOriy0w=="],

    "@ai-sdk/togetherai/@ai-sdk/provider-utils/@standard-schema/spec": ["@standard-schema/spec@1.1.0", "", {}, "sha512-l2aFy5jALhniG5HgqrD6jXLi/rUWrKvqN/qJx6yoJsgKhblVd+iqqU4RCXavm/jPityDo5TCvKMnpjKnOriy0w=="],
@@ -68,7 +68,6 @@ import { archiveHomeSession } from "./home-session-archive"
 import { showToast } from "@/utils/toast"

 const HOME_SESSION_LIMIT = 64
-const SHOW_HOME_SESSION_ARCHIVE = false
 const HOME_ROW_LAYOUT =
  "flex min-w-0 w-full shrink-0 cursor-default items-center rounded-[6px] bg-transparent text-left transition-[background-color,color,box-shadow] duration-[120ms] ease-in-out focus-visible:outline-none"
 const HOME_ROW_BASE = `${HOME_ROW_LAYOUT} border-0`
@@ -1190,24 +1189,22 @@ function HomeSessionRow(props: {
          </span>
        </Show>
      </button>
-      <Show when={SHOW_HOME_SESSION_ARCHIVE}>
-        <div class="hover-reveal absolute right-1.5 top-1/2 flex -translate-y-1/2 items-center gap-1 group-hover/session:opacity-100 focus-within:opacity-100">
-          <TooltipV2 class="flex shrink-0 items-center" placement="bottom" value={language.t("common.archive")}>
-            <IconButtonV2
-              data-action="home-session-archive"
-              variant="ghost-muted"
-              size="large"
-              icon={<IconV2 name="archive" />}
-              aria-label={language.t("common.archive")}
-              onClick={(event) => {
-                event.preventDefault()
-                event.stopPropagation()
-                void props.archiveSession(props.record.session)
-              }}
-            />
-          </TooltipV2>
-        </div>
-      </Show>
+      <div class="hover-reveal absolute right-1.5 top-1/2 flex -translate-y-1/2 items-center gap-1 group-hover/session:opacity-100 focus-within:opacity-100">
+        <TooltipV2 class="flex shrink-0 items-center" placement="bottom" value={language.t("common.archive")}>
+          <IconButtonV2
+            data-action="home-session-archive"
+            variant="ghost-muted"
+            size="large"
+            icon={<IconV2 name="archive" />}
+            aria-label={language.t("common.archive")}
+            onClick={(event) => {
+              event.preventDefault()
+              event.stopPropagation()
+              void props.archiveSession(props.record.session)
+            }}
+          />
+        </TooltipV2>
+      </div>
    </div>
  )
 }
@@ -12,13 +12,18 @@
    "@cloudflare/workers-types": "catalog:",
    "@tsconfig/node22": "22.0.2",
    "@types/node": "catalog:",
+    "openai": "5.11.0",
    "typescript": "catalog:",
    "@typescript/native-preview": "catalog:"
  },
  "dependencies": {
+    "@ai-sdk/anthropic": "3.0.82",
+    "@ai-sdk/openai": "3.0.48",
+    "@ai-sdk/openai-compatible": "2.0.37",
    "@opencode-ai/console-core": "workspace:*",
    "@opencode-ai/console-resource": "workspace:*",
    "@openauthjs/openauth": "0.0.0-20250322224806",
+    "ai": "catalog:",
    "zod": "catalog:"
  }
 }
@@ -16,8 +16,6 @@
    "opencode": "./bin/opencode"
  },
  "exports": {
-    "./effect/layer-node": "./src/effect/layer-node/index.ts",
-    "./effect/node": "./src/effect/node.ts",
    "./session/runner": "./src/session/runner/index.ts",
    "./system-context": "./src/system-context/index.ts",
    "./*": "./src/*.ts"
@@ -1,6 +1,5 @@
 export * as AgentV2 from "./agent"

-import { makeLocationNode } from "./effect/node"
 import { Array, Context, Effect, Layer, Types } from "effect"
 import { Agent } from "@opencode-ai/schema/agent"
 import { State } from "./state"
@@ -107,5 +106,3 @@ export const layer = Layer.effect(
 )

 export const locationLayer = layer
-
-export const node = makeLocationNode({ service: Service, layer, deps: [] })
@@ -1,6 +1,5 @@
 export * as AISDK from "./aisdk"

-import { makeLocationNode } from "./effect/node"
 import type { LanguageModelV3 } from "@ai-sdk/provider"
 import { Cause, Context, Effect, Layer, Schema, Scope } from "effect"
 import { ModelV2 } from "./model"
@@ -232,6 +231,4 @@ export const locationLayer = Layer.effect(
  }),
 )

-export const node = makeLocationNode({ service: Service, layer: locationLayer, deps: [] })
-
 export const defaultLayer = locationLayer
@@ -2,7 +2,6 @@ export * as BackgroundJob from "./background-job"

 import { Cause, Clock, Context, Deferred, Effect, Exit, Layer, Scope, SynchronizedRef } from "effect"
 import { Identifier } from "./id/id"
-import { makeGlobalNode } from "./effect/node"

 export type Status = "running" | "completed" | "error" | "cancelled"

@@ -363,5 +362,3 @@ export const make = Effect.gen(function* () {
 export const layer = Layer.effect(Service, make)

 export const defaultLayer = layer
-
-export const node = makeGlobalNode({ service: Service, layer, deps: [] })
@@ -1,6 +1,5 @@
 export * as Catalog from "./catalog"

-import { makeLocationNode } from "./effect/node"
 import { Array, Context, Effect, Layer, Option, Order, pipe, Schema } from "effect"
 import { Catalog } from "@opencode-ai/schema/catalog"
 import { ModelV2 } from "./model"
@@ -297,5 +296,3 @@ export const locationLayer = layer.pipe(
  Layer.provideMerge(Integration.locationLayer),
  Layer.provideMerge(Policy.locationLayer),
 )
-
-export const node = makeLocationNode({ service: Service, layer, deps: [EventV2.node, Policy.node, Integration.node] })
@@ -1,6 +1,5 @@
 export * as CommandV2 from "./command"

-import { makeLocationNode } from "./effect/node"
 import { Context, Effect, Layer, Types } from "effect"
 import { Command } from "@opencode-ai/schema/command"
 import { State } from "./state"
@@ -60,5 +59,3 @@ export const layer = Layer.effect(
 )

 export const locationLayer = layer
-
-export const node = makeLocationNode({ service: Service, layer, deps: [] })
@@ -1,6 +1,5 @@
 export * as Config from "./config"

-import { makeLocationNode } from "./effect/node"
 import path from "path"
 import { type ParseError, parse } from "jsonc-parser"
 import { Context, Effect, Layer, Option, Schema } from "effect"
@@ -219,9 +218,3 @@ export const layer = Layer.effect(
 )

 export const locationLayer = layer.pipe(Layer.provideMerge(Policy.locationLayer))
-
-export const node = makeLocationNode({
-  service: Service,
-  layer,
-  deps: [FSUtil.node, Global.node, Location.node, Policy.node],
-})
@@ -5,7 +5,6 @@ import { Context, Effect, Layer, Schema } from "effect"
 import { Credential } from "@opencode-ai/schema/credential"
 import { Integration } from "@opencode-ai/schema/integration"
 import { Database } from "./database/database"
-import { makeGlobalNode } from "./effect/node"
 import { CredentialTable } from "./credential/sql"

 export const ID = Credential.ID
@@ -136,5 +135,3 @@ export const layer = Layer.effect(
 )

 export const defaultLayer = layer.pipe(Layer.provide(Database.defaultLayer))
-
-export const node = makeGlobalNode({ service: Service, layer, deps: [Database.node] })
@@ -24,7 +24,7 @@ import {
 import * as NodeChildProcess from "node:child_process"
 import { PassThrough } from "node:stream"
 import launch from "cross-spawn"
-import { makeGlobalNode } from "./effect/node"
+import { LayerNode } from "./effect/layer-node"
 import { filesystem, path } from "./effect/layer-node-platform"

 const toError = (err: unknown): Error => (err instanceof globalThis.Error ? err : new globalThis.Error(String(err)))
@@ -503,6 +503,6 @@ export const layer: Layer.Layer<ChildProcessSpawner, never, FileSystem.FileSyste
 )

 export const defaultLayer = layer.pipe(Layer.provide(NodeFileSystem.layer), Layer.provide(NodePath.layer))
-export const node = makeGlobalNode({ service: ChildProcessSpawner, layer, deps: [filesystem, path] })
+export const node = LayerNode.make({ service: ChildProcessSpawner, layer, deps: [filesystem, path] })

 export * as CrossSpawnSpawner from "./cross-spawn-spawner"
@@ -8,7 +8,7 @@ import { Flag } from "../flag/flag"
 import { isAbsolute, join } from "path"
 import { DatabaseMigration } from "./migration"
 import { InstallationChannel } from "../installation/version"
-import { makeGlobalNode } from "../effect/node"
+import { LayerNode } from "../effect/layer-node"

 const makeDatabase = EffectDrizzleSqlite.makeWithDefaults()
 type DatabaseShape = Effect.Success<typeof makeDatabase>
@@ -60,4 +60,4 @@ export const defaultLayer = Layer.unwrap(
  }),
 ).pipe(Layer.provide(Global.defaultLayer))

-export const node = makeGlobalNode({ service: Service, layer: layerFromPath(path()), deps: [] })
+export const node = LayerNode.make({ service: Service, layer: layerFromPath(path()), deps: [] })
@@ -3,16 +3,16 @@ import { LLMClient, RequestExecutor } from "@opencode-ai/llm/route"
 import { FileSystem, Path } from "effect"
 import { FetchHttpClient } from "effect/unstable/http"
 import { HttpClient } from "effect/unstable/http"
-import { makeGlobalNode } from "./node"
+import { LayerNode } from "./layer-node"

-export const filesystem = makeGlobalNode({ service: FileSystem.FileSystem, layer: NodeFileSystem.layer, deps: [] })
-export const path = makeGlobalNode({ service: Path.Path, layer: NodePath.layer, deps: [] })
-export const httpClient = makeGlobalNode({ service: HttpClient.HttpClient, layer: FetchHttpClient.layer, deps: [] })
-export const requestExecutor = makeGlobalNode({
+export const filesystem = LayerNode.make({ service: FileSystem.FileSystem, layer: NodeFileSystem.layer, deps: [] })
+export const path = LayerNode.make({ service: Path.Path, layer: NodePath.layer, deps: [] })
+export const httpClient = LayerNode.make({ service: HttpClient.HttpClient, layer: FetchHttpClient.layer, deps: [] })
+export const requestExecutor = LayerNode.make({
  service: RequestExecutor.Service,
  layer: RequestExecutor.layer,
  deps: [httpClient],
 })
-export const llmClient = makeGlobalNode({ service: LLMClient.Service, layer: LLMClient.layer, deps: [requestExecutor] })
+export const llmClient = LayerNode.make({ service: LLMClient.Service, layer: LLMClient.layer, deps: [requestExecutor] })

 export * as LayerNodePlatform from "./layer-node-platform"
@@ -0,0 +1,248 @@
+import { Brand, Context, Layer } from "effect"
+
+type RuntimeLayer = Layer.Layer<never, unknown, unknown>
+type AnyNode = Node<unknown, unknown, any>
+type NodeList<Item extends AnyNode = AnyNode> = readonly [] | readonly [Item, ...Item[]]
+type Output<Item> = [Item] extends [never] ? never : Item extends Node<infer A, unknown, any> ? A : never
+type Error<Item> = [Item] extends [never] ? never : Item extends Node<unknown, infer E, any> ? E : never
+type Missing<Required, Dependencies extends NodeList> = Exclude<Required, Output<Dependencies[number]>>
+type CheckDependencies<Implementation extends Layer.Any, Dependencies extends NodeList> = [
+  Missing<Layer.Services<Implementation>, Dependencies>,
+] extends [never]
+  ? unknown
+  : { readonly "Missing dependencies": Missing<Layer.Services<Implementation>, Dependencies> }
+declare const $OutputType: unique symbol
+declare const $ErrorType: unique symbol
+
+export type Tier<Name extends string = string> = Name & Brand.Brand<"LayerNode.Tier">
+
+const makeTier = Brand.nominal<Tier>()
+
+export type Node<A, E = never, T extends Tier | undefined = undefined> = {
+  readonly kind: "layer" | "group"
+  readonly name: string
+  readonly service?: Context.Service.Any
+  readonly implementation?: Layer.Any
+  readonly dependencies: readonly AnyNode[]
+  readonly tier?: T
+  readonly [$OutputType]?: () => A
+  readonly [$ErrorType]?: () => E
+}
+
+type NodeIdentity =
+  | { readonly service: Context.Service.Any; readonly name?: never }
+  | { readonly name: string; readonly service?: never }
+type DistributiveOmit<A, K extends PropertyKey> = A extends unknown ? Omit<A, K> : never
+
+type NodeInput<
+  Implementation extends Layer.Any,
+  Items extends NodeList,
+  T extends Tier | undefined = undefined,
+> = NodeIdentity & {
+  readonly layer: Implementation
+  readonly deps: Items & CheckDependencies<Implementation, NoInfer<Items>>
+  readonly tier?: T
+}
+
+export function make<
+  const Implementation extends Layer.Any,
+  const Items extends NodeList,
+  const T extends Tier | undefined = undefined,
+>(
+  input: NodeInput<Implementation, Items, T>,
+): Node<Layer.Success<Implementation>, Layer.Error<Implementation> | Error<Items[number]>, T> {
+  return {
+    kind: "layer",
+    name: input.service !== undefined ? input.service.key : input.name,
+    service: input.service,
+    implementation: input.layer,
+    dependencies: input.deps,
+    tier: input.tier,
+  }
+}
+
+export function group<const Items extends NodeList>(
+  dependencies: Items,
+): Node<Output<Items[number]>, Error<Items[number]>> {
+  return { kind: "group", name: "group", dependencies }
+}
+
+type AllowedTierNames<Names extends readonly string[], Name extends Names[number]> = Names extends readonly [
+  infer Head extends string,
+  ...infer Tail extends readonly string[],
+]
+  ? Head extends Name
+    ? Head | Tail[number]
+    : AllowedTierNames<Tail, Name>
+  : never
+
+type NodeInTiers<Names extends string> = Node<unknown, unknown, Tier<Names>>
+
+export interface Tiers<Names extends readonly [string, ...string[]]> {
+  readonly names: Names
+  readonly values: { readonly [K in Names[number]]: Tier<K> }
+  readonly make: <Name extends Names[number]>(
+    name: Name,
+  ) => <
+    const Implementation extends Layer.Any,
+    const Items extends NodeList<NodeInTiers<AllowedTierNames<Names, Name>>>,
+  >(
+    input: DistributiveOmit<NodeInput<Implementation, Items, Tier<Name>>, "tier">,
+  ) => Node<Layer.Success<Implementation>, Layer.Error<Implementation> | Error<Items[number]>, Tier<Name>>
+}
+
+export function tiers<const Names extends readonly [string, ...string[]]>(names: Names): Tiers<Names> {
+  const values = Object.fromEntries(names.map((name) => [name, makeTier(name)])) as Tiers<Names>["values"]
+  return {
+    names,
+    values,
+    make: ((name: Names[number]) => (input: DistributiveOmit<NodeInput<Layer.Any, NodeList, Tier>, "tier">) =>
+      make({ ...input, tier: values[name] })) as Tiers<Names>["make"],
+  }
+}
+
+const defaultTiers = tiers(["untiered"])
+const untiered = defaultTiers.values.untiered
+
+export type Replacement = {
+  readonly source: Layer.Any
+  readonly replacement: Layer.Any
+}
+
+type CheckReplacementErrors<SourceError, ReplacementError> = [Exclude<ReplacementError, SourceError>] extends [never]
+  ? unknown
+  : { readonly "New replacement errors": Exclude<ReplacementError, SourceError> }
+
+export function replace<A, E, R, E2>(
+  source: Layer.Layer<A, E, R>,
+  replacement: Layer.Layer<NoInfer<A>, E2, never> & CheckReplacementErrors<E, NoInfer<E2>>,
+): Replacement {
+  return { source, replacement }
+}
+
+export function buildLayer<
+  A,
+  E,
+  const Names extends readonly [string, ...string[]] = readonly ["untiered"],
+  const Built extends Layer.Any = Layer.Layer<never, never, never>,
+>(
+  node: Node<A, E, any>,
+  options?: {
+    readonly tiers?: Tiers<Names>
+    readonly buildTier?: (tier: Names[number], layers: readonly Layer.Any[]) => Built
+    readonly replacements?: readonly Replacement[]
+  },
+): Layer.Layer<A | Layer.Success<Built>, E | Layer.Error<Built>, never> {
+  const tiers = options?.tiers ?? (defaultTiers as unknown as Tiers<Names>)
+  const replacementMap = new Map(options?.replacements?.map((item) => [item.source, item.replacement]))
+  const plans = plan(node, tiers, replacementMap)
+  const layers: RuntimeLayer[] = tiers.names.map((name) => {
+    const tier = tiers.values[name as Names[number]]
+    const layers = plans.get(tier) ?? []
+    return (options?.buildTier?.(name, layers) ?? combine(layers)) as RuntimeLayer
+  })
+  if (layers.length === 0) return Layer.empty as never
+  return layers.slice(1).reduce((result, layer) => result.pipe(Layer.provideMerge(layer)), layers[0]) as never
+}
+
+export function combine(layers: readonly Layer.Any[]): RuntimeLayer {
+  return layers.reduce<RuntimeLayer>(
+    (result, layer) => (layer as RuntimeLayer).pipe(Layer.provideMerge(result)),
+    Layer.empty as RuntimeLayer,
+  )
+}
+
+function plan(
+  root: AnyNode,
+  tiers: Tiers<readonly [string, ...string[]]>,
+  replacements: ReadonlyMap<Layer.Any, Layer.Any>,
+) {
+  const indexes = new Map(tiers.names.map((name, index) => [tiers.values[name], index]))
+  const plans = new Map<Tier, Layer.Any[]>()
+  const activeImplementations = new Map<Tier, Map<string, AnyNode>>()
+  const serviceTiers = new Map<string, Tier>()
+  const visiting = new Set<AnyNode>()
+  const stack: AnyNode[] = []
+  const boundaryVisited = new Map<AnyNode, Set<Tier>>()
+  const boundaryServices = new Map<Tier, Map<string, AnyNode>>()
+
+  const validateBoundary = (node: AnyNode, origin: Tier) => {
+    const checked = boundaryVisited.get(node) ?? new Set<Tier>()
+    boundaryVisited.set(node, checked)
+    if (checked.has(origin)) return false
+    checked.add(origin)
+    const services = boundaryServices.get(origin) ?? new Map<string, AnyNode>()
+    boundaryServices.set(origin, services)
+    const key = node.name
+    const existing = services.get(key)
+    if (existing && existing !== node) {
+      throw new Error(`Tier ${origin} has conflicting implementations for ${key}`)
+    }
+    services.set(key, node)
+    return true
+  }
+
+  const visit = (node: AnyNode, currentTier?: Tier, origins: readonly Tier[] = []) => {
+    if (node.kind === "group") {
+      node.dependencies.forEach((dependency) => visit(dependency, currentTier, origins))
+      return
+    }
+
+    const tier = node.tier ?? untiered
+    if (!indexes.has(tier)) throw new Error(`Node ${node.name} is not in the tier configuration`)
+    const key = node.name
+    const serviceTier = serviceTiers.get(key)
+    if (serviceTier && serviceTier !== tier) {
+      throw new Error(`Service ${key} belongs to both tier ${serviceTier} and tier ${tier}`)
+    }
+    serviceTiers.set(key, tier)
+    const nextOrigins = [...origins]
+    if (currentTier) {
+      const current = indexes.get(currentTier)!
+      const required = indexes.get(tier)!
+      if (required < current) {
+        throw new Error(`Tier ${currentTier} cannot depend on lower tier ${tier}`)
+      }
+      if (required > current) nextOrigins.push(currentTier)
+    }
+    const unseenOrigins = nextOrigins.filter((origin) => validateBoundary(node, origin))
+
+    // A node may need to be emitted more than once because the final output is a
+    // flat list of layers applied with Layer.provideMerge. If another node for
+    // the same service was emitted afterward, this node is no longer the active
+    // implementation for subsequent consumers. Re-emitting restores the intended
+    // implementation ordering while Effect memoization avoids reacquiring the layer.
+    const implementations = activeImplementations.get(tier) ?? new Map<string, AnyNode>()
+    activeImplementations.set(tier, implementations)
+    if (implementations.get(key) === node && unseenOrigins.length === 0) return
+
+    if (visiting.has(node)) {
+      const start = stack.indexOf(node)
+      throw new Error(
+        `Cycle detected in layer graph: ${[...stack.slice(start), node].map((item) => item.name).join(" -> ")}`,
+      )
+    }
+
+    visiting.add(node)
+    stack.push(node)
+    try {
+      node.dependencies.forEach((dependency) => visit(dependency, tier, unseenOrigins))
+      const layers = plans.get(tier) ?? []
+      plans.set(tier, layers)
+      layers.push(replacements.get(node.implementation!) ?? node.implementation!)
+      implementations.set(key, node)
+    } finally {
+      stack.pop()
+      visiting.delete(node)
+    }
+  }
+
+  visit(root)
+  return plans
+}
+
+function requireTier(node: AnyNode, indexes: ReadonlyMap<Tier, number>) {
+  if (!node.tier || !indexes.has(node.tier)) throw new Error(`Node ${node.name} is not in the tier configuration`)
+}
+
+export * as LayerNode from "./layer-node"
@@ -1,2 +0,0 @@
-export * from "./layer-node"
-export * as LayerNodeTree from "./layer-node-tree"
@@ -1,118 +0,0 @@
-import { Layer } from "effect"
-import { LayerNode } from "./layer-node"
-
-type AnyNode = LayerNode.Node<unknown, unknown, any>
-type RuntimeLayer = Layer.Layer<never, unknown, unknown>
-
-export function hoist<A, E, T extends LayerNode.Tag>(
-  root: LayerNode.Node<A, E, any>,
-  tag: T,
-): {
-  readonly node: LayerNode.Node<A, E>
-  readonly hoisted: LayerNode.Node<unknown, E>
-} {
-  const visited = new Map<AnyNode, AnyNode>()
-  const hoisted = new Map<string, AnyNode>()
-  const visiting = new Set<AnyNode>()
-  const stack: AnyNode[] = []
-
-  const visit = (node: AnyNode): AnyNode => {
-    if (node.kind === "group") {
-      return { ...node, dependencies: node.dependencies.map(visit) }
-    }
-
-    const existingNode = visited.get(node)
-    if (existingNode) return existingNode
-
-    if (node.tag === tag) {
-      const existing = hoisted.get(node.name)
-      if (existing && existing !== node) {
-        throw new Error(`Tag ${tag} has conflicting implementations for ${node.name}`)
-      }
-      hoisted.set(node.name, node)
-      const empty = LayerNode.group([])
-      visited.set(node, empty)
-      return empty
-    }
-    if (node.kind === "unbound") {
-      return node
-    }
-
-    if (visiting.has(node)) {
-      const start = stack.indexOf(node)
-      throw new Error(
-        `Cycle detected in layer tree: ${[...stack.slice(start), node].map((item) => item.name).join(" -> ")}`,
-      )
-    }
-    visiting.add(node)
-    stack.push(node)
-    try {
-      const dependencies = node.dependencies.map(visit)
-      const clone = { ...node, dependencies }
-      visited.set(node, clone)
-      return clone
-    } finally {
-      stack.pop()
-      visiting.delete(node)
-    }
-  }
-
-  return {
-    node: visit(root) as LayerNode.Node<A, E>,
-    hoisted: LayerNode.group(Array.from(hoisted.values())) as LayerNode.Node<unknown, E>,
-  }
-}
-
-export function compile<A, E>(
-  root: LayerNode.Node<A, E, any>,
-  replacements?: ReadonlyMap<Layer.Any, Layer.Any>,
-): Layer.Layer<A, E> {
-  const cache = new Map<AnyNode, RuntimeLayer>()
-  const compileNode = (node: AnyNode): RuntimeLayer => {
-    if (node.kind === "unbound") throw new Error(`Unbound layer node: ${node.name}`)
-    const cached = cache.get(node)
-    if (cached) return cached
-    const dependencies = node.dependencies.flatMap(flatten).map(compileNode)
-    const implementation = (replacements?.get(node.implementation!) ?? node.implementation!) as RuntimeLayer
-    const layer =
-      dependencies.length === 0
-        ? implementation
-        : implementation.pipe(Layer.provide(dependencies as [RuntimeLayer, ...RuntimeLayer[]]))
-    cache.set(node, layer)
-    return layer
-  }
-  const layers = flatten(root).map((node) => compileNode(node))
-  const layer = layers.reduce<RuntimeLayer>((result, layer) => layer.pipe(Layer.provideMerge(result)), Layer.empty)
-  return layer as Layer.Layer<A, E>
-}
-
-export function bind<A, E, T extends LayerNode.Tag | undefined>(
-  root: LayerNode.Node<A, E, T>,
-  source: AnyNode,
-  replacement: AnyNode,
-): LayerNode.Node<A, E, T> {
-  if (source.kind !== "unbound") throw new Error(`Cannot bind non-unbound layer node: ${source.name}`)
-  if (source.name !== replacement.name) {
-    throw new Error(`Cannot bind ${source.name} to ${replacement.name}`)
-  }
-  if (source.tag !== replacement.tag) {
-    throw new Error(`Cannot bind ${source.name} across tags`)
-  }
-  const visited = new Map<AnyNode, AnyNode>()
-  const visit = (node: AnyNode): AnyNode => {
-    if (node === source) return replacement
-    const existing = visited.get(node)
-    if (existing) return existing
-    if (node.kind === "unbound") return node
-    const clone = { ...node, dependencies: node.dependencies.map(visit) }
-    visited.set(node, clone)
-    return clone
-  }
-  return visit(root) as LayerNode.Node<A, E, T>
-}
-
-function flatten(node: AnyNode): readonly AnyNode[] {
-  return node.kind === "group" ? node.dependencies.flatMap(flatten) : [node]
-}
-
-export * as LayerNodeTree from "./layer-node-tree"
@@ -1,127 +0,0 @@
-import { Brand, Context, Layer } from "effect"
-
-type AnyNode = Node<unknown, unknown, any>
-type NodeList<Item extends AnyNode = AnyNode> = readonly [] | readonly [Item, ...Item[]]
-export type Output<Item> = [Item] extends [never] ? never : Item extends Node<infer A, unknown, any> ? A : never
-export type Error<Item> = [Item] extends [never] ? never : Item extends Node<unknown, infer E, any> ? E : never
-type NodeTag<Item> = [Item] extends [never] ? undefined : Item extends Node<unknown, unknown, infer T> ? T : never
-type Missing<Required, Dependencies extends NodeList> = Exclude<Required, Output<Dependencies[number]>>
-type CheckDependencies<Implementation extends Layer.Any, Dependencies extends NodeList> = [
-  Missing<Layer.Services<Implementation>, Dependencies>,
-] extends [never]
-  ? unknown
-  : { readonly "Missing dependencies": Missing<Layer.Services<Implementation>, Dependencies> }
-declare const $OutputType: unique symbol
-declare const $ErrorType: unique symbol
-
-export type Tag<Name extends string = string> = Name & Brand.Brand<"LayerNode.Tag">
-
-const makeTag = Brand.nominal<Tag>()
-
-export interface Node<A, E = never, T extends Tag | undefined = undefined> {
-  readonly kind: "layer" | "unbound" | "group"
-  readonly name: string
-  readonly service?: Context.Service.Any
-  readonly implementation?: Layer.Any
-  readonly dependencies: readonly AnyNode[]
-  readonly tag?: T
-  readonly [$OutputType]?: () => A
-  readonly [$ErrorType]?: () => E
-}
-
-type NodeIdentity =
-  | { readonly service: Context.Service.Any; readonly name?: never }
-  | { readonly name: string; readonly service?: never }
-type DistributiveOmit<A, K extends PropertyKey> = A extends unknown ? Omit<A, K> : never
-
-type MakeInput<
-  Implementation extends Layer.Any,
-  Items extends NodeList,
-  T extends Tag | undefined = undefined,
-> = NodeIdentity & {
-  readonly layer: Implementation
-  readonly deps: Items & CheckDependencies<Implementation, NoInfer<Items>>
-  readonly tag?: T
-}
-
-export function make<
-  const Implementation extends Layer.Any,
-  const Items extends NodeList,
-  const T extends Tag | undefined = undefined,
->(
-  input: MakeInput<Implementation, Items, T>,
-): Node<Layer.Success<Implementation>, Layer.Error<Implementation> | Error<Items[number]>, T> {
-  return {
-    kind: "layer",
-    name: input.service !== undefined ? input.service.key : input.name,
-    service: input.service,
-    implementation: input.layer,
-    dependencies: input.deps,
-    tag: input.tag,
-  }
-}
-
-export function unbound<R, Shape, const T extends Tag>(service: Context.Key<R, Shape>, tag: T): Node<R, never, T> {
-  return {
-    kind: "unbound",
-    name: service.key,
-    service,
-    dependencies: [],
-    tag,
-  }
-}
-
-export function group<const Items extends readonly AnyNode[]>(
-  dependencies: Items,
-): Node<Output<Items[number]>, Error<Items[number]>, NodeTag<Items[number]>> {
-  return { kind: "group", name: "group", dependencies }
-}
-
-export type TagConfig = Readonly<Record<string, readonly string[]>>
-type TagNames<Config extends TagConfig> = keyof Config & string
-type NodeInTags<Names extends string> = Node<unknown, unknown, Tag<Names> | undefined>
-type CheckTags<Items extends NodeList, Names extends string> = [Exclude<Items[number], NodeInTags<Names>>] extends [
-  never,
-]
-  ? unknown
-  : { readonly "Invalid tag dependencies": Exclude<Items[number], NodeInTags<Names>> }
-
-export interface Tags<Config extends TagConfig> {
-  readonly values: { readonly [Name in TagNames<Config>]: Tag<Name> }
-  readonly make: <Name extends TagNames<Config>>(
-    name: Name,
-  ) => <const Implementation extends Layer.Any, const Items extends NodeList>(
-    input: DistributiveOmit<MakeInput<Implementation, Items, Tag<Name>>, "tag"> &
-      CheckTags<Items, Name | Extract<Config[Name][number], string>>,
-  ) => Node<Layer.Success<Implementation>, Layer.Error<Implementation> | Error<Items[number]>, Tag<Name>>
-}
-
-export function tags<const Config extends { readonly [Name in keyof Config]: readonly (keyof Config & string)[] }>(
-  config: Config,
-): Tags<Config> {
-  const names = Object.keys(config) as TagNames<Config>[]
-  const values = Object.fromEntries(names.map((name) => [name, makeTag(name)])) as Tags<Config>["values"]
-  return {
-    values,
-    make: ((name: TagNames<Config>) => (input: DistributiveOmit<MakeInput<Layer.Any, NodeList, Tag>, "tag">) =>
-      make({ ...input, tag: values[name] })) as Tags<Config>["make"],
-  }
-}
-
-export type Replacement = {
-  readonly source: Layer.Any
-  readonly replacement: Layer.Any
-}
-
-type CheckReplacementErrors<SourceError, ReplacementError> = [Exclude<ReplacementError, SourceError>] extends [never]
-  ? unknown
-  : { readonly "New replacement errors": Exclude<ReplacementError, SourceError> }
-
-export function replace<A, E, R, E2>(
-  source: Layer.Layer<A, E, R>,
-  replacement: Layer.Layer<NoInfer<A>, E2, never> & CheckReplacementErrors<E, NoInfer<E2>>,
-): Replacement {
-  return { source, replacement }
-}
-
-export * as LayerNode from "./layer-node"
@@ -1,18 +0,0 @@
-import { Layer } from "effect"
-import { buildLocationServiceMap } from "../location-services"
-import { LocationServiceMap } from "../location-service-map"
-import { LayerNode, LayerNodeTree } from "./layer-node"
-import { makeGlobalNode } from "./node"
-
-export function build<A, E>(root: LayerNode.Node<A, E, any>, replacements?: readonly LayerNode.Replacement[]) {
-  const replacementMap = new Map(replacements?.map((item) => [item.source, item.replacement]))
-
-  const locationMap = buildLocationServiceMap(replacementMap)
-  const locationMapNode = makeGlobalNode({ service: LocationServiceMap.Service, layer: locationMap, deps: [] })
-
-  const app = LayerNodeTree.bind(root, LocationServiceMap.node, locationMapNode)
-
-  return LayerNodeTree.compile(app, replacementMap)
-}
-
-export * as NodeBuild from "./node-build"
@@ -1,14 +0,0 @@
-import { LayerNode } from "./layer-node"
-
-export const tags = LayerNode.tags({
-  location: ["global"],
-  global: [],
-})
-
-export type GlobalNode<A, E = never> = LayerNode.Node<A, E, (typeof tags.values)["global"]>
-export type LocationNode<A, E = never> = LayerNode.Node<A, E, (typeof tags.values)["location"]>
-
-export const makeGlobalNode = tags.make("global")
-export const makeLocationNode = tags.make("location")
-
-export * as Node from "./node"
@@ -0,0 +1,11 @@
+import { LayerNode } from "./layer-node"
+
+export const tiers = LayerNode.tiers(["location", "global"])
+
+export type GlobalNode<A, E = never> = LayerNode.Node<A, E, (typeof tiers.values)["global"]>
+export type LocationNode<A, E = never> = LayerNode.Node<A, E, (typeof tiers.values)["location"]>
+
+export const makeGlobalNode = tiers.make("global")
+export const makeLocationNode = tiers.make("location")
+
+export * as ScopedNode from "./scoped-node"
@@ -7,7 +7,7 @@ import { and, asc, eq, gt, inArray } from "drizzle-orm"
 import { Database } from "./database/database"
 import { EventSequenceTable, EventTable } from "./event/sql"
 import { Location } from "./location"
-import { makeGlobalNode } from "./effect/node"
+import { LayerNode } from "./effect/layer-node"
 import { isDeepStrictEqual } from "node:util"
 import { Durable } from "@opencode-ai/schema/durable-event-manifest"

@@ -635,6 +635,6 @@ export const layerWith = (options?: LayerOptions) =>
  )

 export const layer = layerWith()
-export const node = makeGlobalNode({ service: Service, layer: layer, deps: [Database.node] })
+export const node = LayerNode.make({ service: Service, layer: layer, deps: [Database.node] })

 export const defaultLayer = layer.pipe(Layer.provide(Database.defaultLayer))
@@ -1,6 +1,5 @@
 export * as FileMutation from "./file-mutation"

-import { makeLocationNode } from "./effect/node"
 import { Context, Effect, Layer, Schema } from "effect"
 import { dirname } from "path"
 import { KeyedMutex } from "./effect/keyed-mutex"
@@ -193,8 +192,6 @@ function sameBytes(left: Uint8Array, right: Uint8Array) {

 export const locationLayer = layer

-export const node = makeLocationNode({ service: Service, layer, deps: [FSUtil.node] })
-
 /**
 * Deferred until the corresponding V2 integrations exist.
 */
@@ -1,6 +1,5 @@
 export * as FileSystem from "./filesystem"

-import { makeLocationNode } from "./effect/node"
 import path from "path"
 import { Context, Effect, Layer, Schema } from "effect"
 import { FSUtil } from "./fs-util"
@@ -114,9 +113,3 @@ const baseLayer = Layer.effect(
 export const layer = baseLayer.pipe(Layer.provide(FileSystemSearch.locationLayer), Layer.provide(FSUtil.defaultLayer))

 export const locationLayer = layer
-
-export const node = makeLocationNode({
-  service: Service,
-  layer: baseLayer,
-  deps: [FSUtil.node, Location.node, FileSystemSearch.node],
-})
@@ -1,6 +1,5 @@
 export * as FileSystemSearch from "./search"

-import { makeLocationNode } from "../effect/node"
 import path from "path"
 import { Context, Effect, Layer, Scope } from "effect"
 import { Fff } from "#fff"
@@ -230,8 +229,6 @@ export const fffLayer = Layer.effect(
  }),
 )

-const layer = Layer.unwrap(Effect.sync(() => (Flag.OPENCODE_DISABLE_FFF || !Fff.available() ? ripgrepLayer : fffLayer)))
-
-export const locationLayer = layer
-
-export const node = makeLocationNode({ service: Service, layer, deps: [FSUtil.node, Location.node, Ripgrep.node] })
+export const locationLayer = Layer.unwrap(
+  Effect.sync(() => (Flag.OPENCODE_DISABLE_FFF || !Fff.available() ? ripgrepLayer : fffLayer)),
+)
@@ -3,7 +3,6 @@ export * as Watcher from "./watcher"
 // @ts-ignore
 import { createWrapper } from "@parcel/watcher/wrapper"
 import type ParcelWatcher from "@parcel/watcher"
-import { makeLocationNode } from "../effect/node"
 import { Cause, Context, Effect, Layer } from "effect"
 import { FileSystemWatcher } from "@opencode-ai/schema/filesystem-watcher"
 import path from "path"
@@ -134,9 +133,3 @@ export const layer = Layer.effect(
 )

 export const locationLayer = layer.pipe(Layer.provide(Config.locationLayer), Layer.provide(Git.defaultLayer))
-
-export const node = makeLocationNode({
-  service: Service,
-  layer,
-  deps: [FSUtil.node, Location.node, Config.node, Git.node, EventV2.node],
-})
@@ -7,7 +7,7 @@ import { Context, Effect, FileSystem, Layer, Schema } from "effect"
 import type { PlatformError } from "effect/PlatformError"
 import { Glob } from "./util/glob"
 import { serviceUse } from "./effect/service-use"
-import { makeGlobalNode } from "./effect/node"
+import { LayerNode } from "./effect/layer-node"
 import { filesystem } from "./effect/layer-node-platform"

 export namespace FSUtil {
@@ -201,7 +201,7 @@ export namespace FSUtil {
  )

  export const defaultLayer = layer.pipe(Layer.provide(NodeFileSystem.layer))
-  export const node = makeGlobalNode({ service: Service, layer: layer, deps: [filesystem] })
+  export const node = LayerNode.make({ service: Service, layer: layer, deps: [filesystem] })

  // Pure helpers that don't need Effect (path manipulation, sync operations)
  export function mimeType(p: string): string {
@@ -7,7 +7,7 @@ import { ChildProcess } from "effect/unstable/process"
 import { AbsolutePath, RelativePath } from "./schema"
 import { FSUtil } from "./fs-util"
 import { AppProcess } from "./process"
-import { makeGlobalNode } from "./effect/node"
+import { LayerNode } from "./effect/layer-node"
 import { File } from "./file"
 import { KeyedMutex } from "./effect/keyed-mutex"

@@ -944,7 +944,7 @@ export const layer = Layer.effect(
 )

 export const defaultLayer = layer.pipe(Layer.provide(FSUtil.defaultLayer), Layer.provide(AppProcess.defaultLayer))
-export const node = makeGlobalNode({ service: Service, layer: layer, deps: [FSUtil.node, AppProcess.node] })
+export const node = LayerNode.make({ service: Service, layer: layer, deps: [FSUtil.node, AppProcess.node] })

 interface Result {
  readonly exitCode: number
@@ -5,7 +5,7 @@ import os from "os"
 import { Context, Effect, Layer } from "effect"
 import { Flock } from "./util/flock"
 import { Flag } from "./flag/flag"
-import { makeGlobalNode } from "./effect/node"
+import { LayerNode } from "./effect/layer-node"

 const app = "opencode"
 const data = path.join(xdgData!, app)
@@ -77,7 +77,7 @@ export const layer = Layer.effect(
 )

 export const defaultLayer = layer
-export const node = makeGlobalNode({ service: Service, layer: layer, deps: [] })
+export const node = LayerNode.make({ service: Service, layer: layer, deps: [] })

 export const layerWith = (input: Partial<Interface>) =>
  Layer.effect(
@@ -1,6 +1,5 @@
 export * as Image from "./image"

-import { makeLocationNode } from "./effect/node"
 import { Context, Effect, Layer, Schema } from "effect"
 import { Config } from "./config"
 import { FileSystem } from "./filesystem"
@@ -77,5 +76,3 @@ export const layer = Layer.effect(
 )

 export const locationLayer = layer.pipe(Layer.provide(Config.locationLayer))
-
-export const node = makeLocationNode({ service: Service, layer, deps: [Config.node] })
@@ -9,7 +9,6 @@ import { Location } from "./location"
 import { AbsolutePath } from "./schema"
 import { SystemContext } from "./system-context/index"
 import { SystemContextRegistry } from "./system-context/registry"
-import { makeLocationNode } from "./effect/node"

 class File extends Schema.Class<File>("InstructionContext.File")({
  path: AbsolutePath,
@@ -88,12 +87,6 @@ export const layer = Layer.effectDiscard(
  }),
 )

-export const node = makeLocationNode({
-  name: "instruction-context",
-  layer,
-  deps: [FSUtil.node, Global.node, Location.node, SystemContextRegistry.node],
-})
-
 function render(files: ReadonlyArray<File>) {
  return files.map((file) => `Instructions from: ${file.path}\n${file.content}`).join("\n\n")
 }
@@ -1,6 +1,5 @@
 export * as Integration from "./integration"

-import { makeLocationNode } from "./effect/node"
 import {
  Cause,
  Clock,
@@ -516,5 +515,3 @@ export const locationLayer = Layer.effect(
    })
  }),
 )
-
-export const node = makeLocationNode({ service: Service, layer: locationLayer, deps: [Credential.node, EventV2.node] })
@@ -0,0 +1,151 @@
+import { Effect, Layer, LayerMap } from "effect"
+import { Location } from "./location"
+import { Policy } from "./policy"
+import { Config } from "./config"
+import { PluginV2 } from "./plugin"
+import { Catalog } from "./catalog"
+import { Integration } from "./integration"
+import { CommandV2 } from "./command"
+import { AgentV2 } from "./agent"
+import { PluginInternal } from "./plugin/internal"
+import { Project } from "./project"
+import { ProjectCopy } from "./project/copy"
+import { ProjectDirectories } from "./project/directories"
+import { EventV2 } from "./event"
+import { Credential } from "./credential"
+import { Npm } from "./npm"
+import { ModelsDev } from "./models-dev"
+import { FSUtil } from "./fs-util"
+import { Git } from "./git"
+import { Global } from "./global"
+import { Database } from "./database/database"
+import { PermissionV2 } from "./permission"
+import { PermissionSaved } from "./permission/saved"
+import { FileSystem } from "./filesystem"
+import { Ripgrep } from "./ripgrep"
+import { Watcher } from "./filesystem/watcher"
+import { LocationMutation } from "./location-mutation"
+import { FileMutation } from "./file-mutation"
+import { Reference } from "./reference"
+import { ReferenceGuidance } from "./reference/guidance"
+import { RepositoryCache } from "./repository-cache"
+import { Pty } from "./pty"
+import { SkillV2 } from "./skill"
+import { SkillGuidance } from "./skill/guidance"
+import { BuiltInTools } from "./tool/builtins"
+import { Image } from "./image"
+import { ToolRegistry } from "./tool/registry"
+import { ApplicationTools } from "./tool/application-tools"
+import { ToolOutputStore } from "./tool-output-store"
+import { AppProcess } from "./process"
+import { SessionStore } from "./session/store"
+import { SessionTodo } from "./session/todo"
+import { QuestionV2 } from "./question"
+import { LLMClient } from "@opencode-ai/llm"
+import { RequestExecutor } from "@opencode-ai/llm/route"
+import * as SessionRunnerLLM from "./session/runner/llm"
+import { SessionRunnerModel } from "./session/runner/model"
+import { SystemContextBuiltIns } from "./system-context/builtins"
+import { FetchHttpClient } from "effect/unstable/http"
+import { Snapshot } from "./snapshot"
+
+export class LocationServiceMap extends LayerMap.Service<LocationServiceMap>()("@opencode/example/LocationServiceMap", {
+  lookup: (ref: Location.Ref) => {
+    const boot = Layer.effectDiscard(
+      Effect.logInfo("booting location services", { directory: ref.directory, workspaceID: ref.workspaceID }),
+    )
+    const location = Location.layer(ref)
+    const systemContext = SystemContextBuiltIns.locationLayer
+    const base = Layer.mergeAll(
+      location,
+      Policy.locationLayer,
+      Config.locationLayer,
+      Reference.locationLayer,
+      PluginV2.locationLayer,
+      Catalog.locationLayer,
+      Integration.locationLayer,
+      CommandV2.locationLayer,
+      AgentV2.locationLayer,
+      PluginInternal.locationLayer,
+      ProjectCopy.locationLayer,
+      FileSystem.locationLayer,
+      Watcher.locationLayer,
+      Pty.locationLayer,
+      SkillV2.locationLayer,
+      systemContext,
+      LocationMutation.locationLayer.pipe(Layer.orDie),
+    ).pipe(Layer.provideMerge(location))
+    const resources = ToolOutputStore.layer.pipe(Layer.provide(base))
+    const permissionsAndTools = ToolRegistry.layer.pipe(
+      Layer.provideMerge(PermissionV2.locationLayer),
+      Layer.provide(resources),
+      Layer.provide(base),
+    )
+    const services = Layer.mergeAll(base, resources, permissionsAndTools)
+    const image = Image.layer.pipe(Layer.provide(services))
+    const mutation = FileMutation.locationLayer.pipe(Layer.provide(services))
+    const skillGuidance = SkillGuidance.locationLayer.pipe(Layer.provide(services))
+    const referenceGuidance = ReferenceGuidance.locationLayer.pipe(Layer.provide(services))
+    const todos = SessionTodo.layer.pipe(Layer.provide(services))
+    const questions = QuestionV2.locationLayer.pipe(Layer.provide(services))
+    const builtInTools = BuiltInTools.locationLayer.pipe(
+      Layer.provide(services),
+      Layer.provide(mutation),
+      Layer.provide(resources),
+      Layer.provide(todos),
+      Layer.provide(questions),
+      Layer.provide(image),
+    )
+    const model = SessionRunnerModel.locationLayer.pipe(Layer.provide(services))
+    const snapshot = Snapshot.locationLayer.pipe(Layer.provide(services))
+    const runner = SessionRunnerLLM.defaultLayer.pipe(
+      Layer.provide(services),
+      Layer.provide(model),
+      Layer.provide(skillGuidance),
+      Layer.provide(referenceGuidance),
+      Layer.provide(snapshot),
+    )
+
+    // Kick off a background project copy refresh to update locations now that we
+    // have a location
+    const projectCopyRefresh = Layer.effectDiscard(ProjectCopy.refreshAfterBoot).pipe(Layer.provide(services))
+
+    return Layer.mergeAll(
+      boot,
+      services,
+      image,
+      mutation,
+      resources,
+      todos,
+      questions,
+      model,
+      snapshot,
+      runner,
+      builtInTools,
+      referenceGuidance,
+      projectCopyRefresh,
+    ).pipe(Layer.fresh)
+  },
+  idleTimeToLive: "60 minutes",
+  dependencies: [
+    Project.defaultLayer,
+    EventV2.defaultLayer,
+    Credential.defaultLayer,
+    Npm.defaultLayer,
+    ModelsDev.defaultLayer,
+    FSUtil.defaultLayer,
+    Git.defaultLayer,
+    AppProcess.defaultLayer,
+    Global.defaultLayer,
+    Ripgrep.defaultLayer,
+    Database.defaultLayer,
+    ProjectDirectories.defaultLayer,
+    SessionStore.layer.pipe(Layer.provide(Database.defaultLayer)),
+    PermissionSaved.defaultLayer,
+    RepositoryCache.defaultLayer,
+    LLMClient.layer.pipe(Layer.provide(RequestExecutor.defaultLayer)),
+    FetchHttpClient.layer,
+    ToolOutputStore.defaultCleanupLayer,
+    ApplicationTools.layer,
+  ],
+}) {}
@@ -1,6 +1,5 @@
 export * as LocationMutation from "./location-mutation"

-import { makeLocationNode } from "./effect/node"
 import path from "path"
 import { Context, Effect, Layer, Schema } from "effect"
 import { FSUtil } from "./fs-util"
@@ -154,9 +153,3 @@ export const layer = Layer.effect(
 )

 export const locationLayer = layer
-
-export const node = makeLocationNode({
-  service: Service,
-  layer: layer.pipe(Layer.orDie),
-  deps: [FSUtil.node, Location.node],
-})
@@ -1,18 +0,0 @@
-import { Context, Effect, Layer, LayerMap } from "effect"
-import { LayerNode } from "./effect/layer-node"
-import { Node } from "./effect/node"
-import { Location } from "./location"
-import type { LocationError, LocationServices } from "./location-services"
-
-export class Service extends Context.Service<
-  Service,
-  LayerMap.LayerMap<Location.Ref, LocationServices, LocationError>
->()("@opencode/example/LocationServiceMap") {
-  static get(ref: Location.Ref) {
-    return Layer.unwrap(Effect.map(Service, (locations) => locations.get(ref)))
-  }
-}
-
-export const node = LayerNode.unbound(Service, Node.tags.values.global)
-
-export * as LocationServiceMap from "./location-service-map"
@@ -1,112 +0,0 @@
-import { Effect, Layer, LayerMap } from "effect"
-import { AgentV2 } from "./agent"
-import { AISDK } from "./aisdk"
-import { Catalog } from "./catalog"
-import { CommandV2 } from "./command"
-import { Config } from "./config"
-import { LayerNode, LayerNodeTree } from "./effect/layer-node"
-import { Node } from "./effect/node"
-import { FileMutation } from "./file-mutation"
-import { FileSystem } from "./filesystem"
-import { FileSystemSearch } from "./filesystem/search"
-import { Watcher } from "./filesystem/watcher"
-import { Image } from "./image"
-import { Integration } from "./integration"
-import { Location } from "./location"
-import { LocationMutation } from "./location-mutation"
-import { LocationServiceMap } from "./location-service-map"
-import { PermissionV2 } from "./permission"
-import { PluginV2 } from "./plugin"
-import { PluginInternal } from "./plugin/internal"
-import { Policy } from "./policy"
-import { ProjectCopy } from "./project/copy"
-import { Pty } from "./pty"
-import { QuestionV2 } from "./question"
-import { Reference } from "./reference"
-import { ReferenceGuidance } from "./reference/guidance"
-import * as SessionRunnerLLM from "./session/runner/llm"
-import { SessionRunnerModel } from "./session/runner/model"
-import { SessionTodo } from "./session/todo"
-import { SkillV2 } from "./skill"
-import { SkillGuidance } from "./skill/guidance"
-import { Snapshot } from "./snapshot"
-import { SystemContextBuiltIns } from "./system-context/builtins"
-import { SystemContextRegistry } from "./system-context/registry"
-import { BuiltInTools } from "./tool/builtins"
-import { ReadToolFileSystem } from "./tool/read-filesystem"
-import { ToolRegistry } from "./tool/registry"
-import { ToolOutputStore } from "./tool-output-store"
-
-export { LocationServiceMap } from "./location-service-map"
-
-export const locationServices = LayerNode.group([
-  Location.node,
-  Policy.node,
-  Config.node,
-  AgentV2.node,
-  CommandV2.node,
-  Reference.node,
-  Integration.node,
-  Catalog.node,
-  AISDK.node,
-  PluginV2.node,
-  PluginInternal.node,
-  ProjectCopy.node,
-  ProjectCopy.refreshNode,
-  FileSystemSearch.node,
-  FileSystem.node,
-  Watcher.node,
-  Pty.node,
-  SkillV2.node,
-  SystemContextRegistry.node,
-  SystemContextBuiltIns.node,
-  LocationMutation.node,
-  FileMutation.node,
-  PermissionV2.node,
-  ToolOutputStore.node,
-  ToolRegistry.node,
-  ToolRegistry.toolsNode,
-  Image.node,
-  SkillGuidance.node,
-  ReferenceGuidance.node,
-  SessionTodo.node,
-  QuestionV2.node,
-  ReadToolFileSystem.node,
-  BuiltInTools.node,
-  SessionRunnerModel.node,
-  Snapshot.node,
-  SessionRunnerLLM.node,
-])
-
-export type LocationServices = LayerNode.Output<typeof locationServices>
-export type LocationError = LayerNode.Error<typeof locationServices>
-
-export function buildLocationServiceMap(
-  replacements?: ReadonlyMap<Layer.Any, Layer.Any>,
-): Layer.Layer<LocationServiceMap.Service> {
-  return Layer.effect(
-    LocationServiceMap.Service,
-    LayerMap.make(
-      (ref: Location.Ref) => {
-        const location = LayerNodeTree.hoist(
-          LayerNodeTree.bind(locationServices, Location.node, Location.boundNode(ref)),
-          Node.tags.values.global,
-        )
-        return LayerNodeTree.compile(location.node, replacements).pipe(
-          Layer.fresh,
-          Layer.tap(() =>
-            Effect.logInfo("booting location services", {
-              directory: ref.directory,
-              workspaceID: ref.workspaceID,
-            }),
-          ),
-          Layer.provide(LayerNodeTree.compile(location.hoisted, replacements)),
-        )
-      },
-      { idleTimeToLive: "60 minutes" },
-    ),
-  )
-}
-
-// This is temporary for backwards compatibility
-export const locationServiceMapLayer = buildLocationServiceMap()
@@ -1,8 +1,6 @@
 import { Context, Effect, Layer } from "effect"
 import { Info, Ref, response } from "@opencode-ai/schema/location"
 import { Project } from "./project"
-import { LayerNode } from "./effect/layer-node"
-import { makeLocationNode, tags } from "./effect/node"

 export * as Location from "./location"

@@ -14,8 +12,6 @@ export interface Interface extends Info {

 export class Service extends Context.Service<Service, Interface>()("@opencode/Location") {}

-export const node = LayerNode.unbound(Service, tags.values.location)
-
 export const layer = (ref: Ref) =>
  Layer.effect(
    Service,
@@ -30,10 +26,3 @@ export const layer = (ref: Ref) =>
      })
    }),
  )
-
-export const boundNode = (ref: Ref) =>
-  makeLocationNode({
-    service: Service,
-    layer: layer(ref),
-    deps: [Project.node],
-  })
@@ -9,7 +9,7 @@ import { Hash } from "./util/hash"
 import { FSUtil } from "./fs-util"
 import { InstallationChannel, InstallationVersion } from "./installation/version"
 import { EventV2 } from "./event"
-import { makeGlobalNode } from "./effect/node"
+import { LayerNode } from "./effect/layer-node"
 import { httpClient } from "./effect/layer-node-platform"

 export const CatalogModelStatus = Schema.Literals(["alpha", "beta", "deprecated"])
@@ -244,6 +244,6 @@ export const defaultLayer = layer.pipe(
  Layer.provide(FSUtil.defaultLayer),
  Layer.provide(EventV2.defaultLayer),
 )
-export const node = makeGlobalNode({ service: Service, layer: layer, deps: [FSUtil.node, EventV2.node, httpClient] })
+export const node = LayerNode.make({ service: Service, layer: layer, deps: [FSUtil.node, EventV2.node, httpClient] })

 export * as ModelsDev from "./models-dev"
@@ -7,7 +7,7 @@ import { NodeFileSystem } from "@effect/platform-node"
 import { FSUtil } from "./fs-util"
 import { Global } from "./global"
 import { EffectFlock } from "./util/effect-flock"
-import { makeGlobalNode } from "./effect/node"
+import { LayerNode } from "./effect/layer-node"
 import { filesystem } from "./effect/layer-node-platform"
 import { makeRuntime } from "./effect/runtime"
 import { NpmConfig } from "./npm-config"
@@ -253,7 +253,7 @@ export const defaultLayer = layer.pipe(
  Layer.provide(Global.layer),
  Layer.provide(NodeFileSystem.layer),
 )
-export const node = makeGlobalNode({
+export const node = LayerNode.make({
  service: Service,
  layer: layer,
  deps: [FSUtil.node, Global.node, filesystem, EffectFlock.node],
@@ -1,6 +1,5 @@
 export * as PermissionV2 from "./permission"

-import { makeLocationNode } from "./effect/node"
 import { Context, Deferred, Effect as EffectRuntime, Layer, Schema } from "effect"
 import { Permission } from "@opencode-ai/schema/permission"
 import { EventV2 } from "./event"
@@ -301,9 +300,3 @@ export const layer = Layer.effect(
 )

 export const locationLayer = layer.pipe(Layer.provideMerge(AgentV2.locationLayer))
-
-export const node = makeLocationNode({
-  service: Service,
-  layer,
-  deps: [EventV2.node, Location.node, AgentV2.node, SessionStore.node, PermissionSaved.node],
-})
@@ -3,7 +3,6 @@ export * as PermissionSaved from "./saved"
 import { eq } from "drizzle-orm"
 import { Context, Effect, Layer, Schema } from "effect"
 import { Database } from "../database/database"
-import { makeGlobalNode } from "../effect/node"
 import { ProjectV2 } from "../project"
 import { PermissionTable } from "./sql"
 import { PermissionSaved } from "@opencode-ai/schema/permission-saved"
@@ -77,5 +76,3 @@ export const layer = Layer.effect(
 )

 export const defaultLayer = layer.pipe(Layer.provide(Database.defaultLayer))
-
-export const node = makeGlobalNode({ service: Service, layer, deps: [Database.node] })
@@ -1,6 +1,5 @@
 export * as PluginV2 from "./plugin"

-import { makeLocationNode } from "./effect/node"
 import { Context, Deferred, Effect, Exit, Layer, Scope } from "effect"
 import type { Plugin as PluginRuntime } from "@opencode-ai/plugin/v2/effect"
 import { Plugin } from "@opencode-ai/schema/plugin"
@@ -151,18 +150,3 @@ export const locationLayer = layer.pipe(
  Layer.provideMerge(Reference.locationLayer),
  Layer.provideMerge(SkillV2.locationLayer),
 )
-
-export const node = makeLocationNode({
-  service: Service,
-  layer,
-  deps: [
-    EventV2.node,
-    AgentV2.node,
-    AISDK.node,
-    Catalog.node,
-    CommandV2.node,
-    Integration.node,
-    Reference.node,
-    SkillV2.node,
-  ],
-})
@@ -1,7 +1,5 @@
 export * as PluginInternal from "./internal"

-import { makeLocationNode } from "../effect/node"
-import { httpClient } from "../effect/layer-node-platform"
 import type { PluginContext } from "@opencode-ai/plugin/v2/effect"
 import { Effect, Layer, Scope } from "effect"
 import { AgentV2 } from "../agent"
@@ -59,7 +57,7 @@ export function define<R>(plugin: Plugin<R>) {
  return plugin
 }

-const layer = Layer.effectDiscard(
+export const locationLayer = Layer.effectDiscard(
  Effect.gen(function* () {
    const catalog = yield* Catalog.Service
    const commands = yield* CommandV2.Service
@@ -119,34 +117,9 @@ const layer = Layer.effectDiscard(
      yield* add(VariantPlugin.Plugin)
    }).pipe(Effect.withSpan("PluginInternal.boot"), Effect.forkScoped({ startImmediately: true }))
  }),
-)
-
-export const locationLayer = layer.pipe(
+).pipe(
  Layer.provideMerge(PluginV2.locationLayer),
  Layer.provideMerge(Config.locationLayer),
  Layer.provideMerge(FileSystem.locationLayer),
  Layer.provideMerge(FetchHttpClient.layer),
 )
-
-export const node = makeLocationNode({
-  name: "plugin-internal",
-  layer,
-  deps: [
-    Catalog.node,
-    CommandV2.node,
-    PluginV2.node,
-    Integration.node,
-    AgentV2.node,
-    Config.node,
-    Location.node,
-    ModelsDev.node,
-    Npm.node,
-    EventV2.node,
-    FSUtil.node,
-    FileSystem.node,
-    Global.node,
-    httpClient,
-    SkillV2.node,
-    Reference.node,
-  ],
-})
@@ -1,6 +1,5 @@
 export * as Policy from "./policy"

-import { makeLocationNode } from "./effect/node"
 import { Context, Effect as EffectRuntime, Layer, Schema } from "effect"
 import { Wildcard } from "./util/wildcard"
 import { Location } from "./location"
@@ -45,5 +44,3 @@ export const layer = Layer.effect(
 )

 export const locationLayer = layer
-
-export const node = makeLocationNode({ service: Service, layer, deps: [Location.node] })
@@ -3,7 +3,7 @@ import type { PlatformError } from "effect/PlatformError"
 import { ChildProcess } from "effect/unstable/process"
 import { ChildProcessSpawner } from "effect/unstable/process/ChildProcessSpawner"
 import { CrossSpawnSpawner } from "./cross-spawn-spawner"
-import { makeGlobalNode } from "./effect/node"
+import { LayerNode } from "./effect/layer-node"

 export class AppProcessError extends Schema.TaggedErrorClass<AppProcessError>()("AppProcessError", {
  command: Schema.String,
@@ -238,6 +238,6 @@ export const layer = Layer.effect(
 )

 export const defaultLayer = layer.pipe(Layer.provide(CrossSpawnSpawner.defaultLayer))
-export const node = makeGlobalNode({ service: Service, layer: layer, deps: [CrossSpawnSpawner.node] })
+export const node = LayerNode.make({ service: Service, layer: layer, deps: [CrossSpawnSpawner.node] })

 export * as AppProcess from "./process"
@@ -6,7 +6,7 @@ import path from "path"
 import { AbsolutePath } from "./schema"
 import { FSUtil } from "./fs-util"
 import { Git } from "./git"
-import { makeGlobalNode } from "./effect/node"
+import { LayerNode } from "./effect/layer-node"
 import { Hash } from "./util/hash"
 import { ProjectDirectories } from "./project/directories"
 import { ProjectSchema } from "./project/schema"
@@ -134,7 +134,7 @@ export const defaultLayer = layer.pipe(
  Layer.provide(Git.defaultLayer),
  Layer.provideMerge(ProjectDirectories.defaultLayer),
 )
-export const node = makeGlobalNode({
+export const node = LayerNode.make({
  service: Service,
  layer: layer,
  deps: [FSUtil.node, Git.node, ProjectDirectories.node],
@@ -5,7 +5,7 @@ import path from "path"
 import { AbsolutePath } from "../schema"
 import { FSUtil } from "../fs-util"
 import { Git } from "../git"
-import { makeLocationNode } from "../effect/node"
+import { LayerNode } from "../effect/layer-node"
 import { Project } from "../project"
 import { ProjectDirectories } from "./directories"
 import { makeGitWorktreeStrategy } from "./copy-strategies"
@@ -279,14 +279,8 @@ export const layer = Layer.effect(
 )

 export const locationLayer = layer
-export const node = makeLocationNode({
+export const node = LayerNode.make({
  service: Service,
  layer: layer,
  deps: [FSUtil.node, Git.node, ProjectDirectories.node, EventV2.node, Database.node],
 })
-
-export const refreshNode = makeLocationNode({
-  name: "project-copy-refresh",
-  layer: Layer.effectDiscard(refreshAfterBoot),
-  deps: [node, Location.node],
-})
@@ -3,7 +3,7 @@ export * as ProjectDirectories from "./directories"
 import { and, asc, desc, eq, isNotNull, isNull, ne, or } from "drizzle-orm"
 import { Context, Effect, Layer, Schema } from "effect"
 import { Database } from "../database/database"
-import { makeGlobalNode } from "../effect/node"
+import { LayerNode } from "../effect/layer-node"
 import { AbsolutePath, optional } from "../schema"
 import { ProjectSchema } from "./schema"
 import { ProjectDirectoryTable } from "./sql"
@@ -156,4 +156,4 @@ export const layer = Layer.effect(
 )

 export const defaultLayer = layer.pipe(Layer.provide(Database.defaultLayer))
-export const node = makeGlobalNode({ service: Service, layer: layer, deps: [Database.node] })
+export const node = LayerNode.make({ service: Service, layer: layer, deps: [Database.node] })
@@ -1,6 +1,5 @@
 export * as Pty from "./pty"

-import { makeLocationNode } from "./effect/node"
 import type { Disp, Proc } from "#pty"
 import { Context, Effect, Layer, Schema, Types } from "effect"
 import { Pty } from "@opencode-ai/schema/pty"
@@ -314,5 +313,3 @@ export const layer = Layer.effect(
 )

 export const locationLayer = layer.pipe(Layer.provide(Config.locationLayer))
-
-export const node = makeLocationNode({ service: Service, layer, deps: [EventV2.node, Location.node, Config.node] })
@@ -4,7 +4,7 @@ import { WorkspaceV2 } from "../workspace"
 import { PtyTicket } from "@opencode-ai/schema/pty-ticket"
 import { PtyID } from "./schema"
 import { Cache, Context, Duration, Effect, Layer } from "effect"
-import { makeGlobalNode } from "../effect/node"
+import { LayerNode } from "../effect/layer-node"

 const DEFAULT_TTL = Duration.seconds(60)
 const CAPACITY = 10_000
@@ -54,4 +54,4 @@ export const make = (ttl: Duration.Input = DEFAULT_TTL) =>
 export const layer = Layer.effect(Service, make())

 export const defaultLayer = layer
-export const node = makeGlobalNode({ service: Service, layer: layer, deps: [] })
+export const node = LayerNode.make({ service: Service, layer: layer, deps: [] })
@@ -1,6 +1,5 @@
 export * as QuestionV2 from "./question"

-import { makeLocationNode } from "./effect/node"
 import { Context, Deferred, Effect, Layer, Schema } from "effect"
 import { Question } from "@opencode-ai/schema/question"
 import { EventV2 } from "./event"
@@ -149,5 +148,3 @@ export const layer = Layer.effect(
 )

 export const locationLayer = layer
-
-export const node = makeLocationNode({ service: Service, layer, deps: [EventV2.node] })
@@ -1,6 +1,5 @@
 export * as Reference from "./reference"

-import { makeLocationNode } from "./effect/node"
 import { Context, Effect, Layer, Scope, Types } from "effect"
 import { Reference } from "@opencode-ai/schema/reference"
 import { Global } from "./global"
@@ -121,9 +120,3 @@ export const layer = Layer.effect(
 )

 export const locationLayer = layer
-
-export const node = makeLocationNode({
-  service: Service,
-  layer,
-  deps: [Global.node, EventV2.node, RepositoryCache.node],
-})
@@ -1,6 +1,5 @@
 export * as ReferenceGuidance from "./guidance"

-import { makeLocationNode } from "../effect/node"
 import { Context, Effect, Layer, Schema } from "effect"
 import { Reference } from "../reference"
 import { SystemContext } from "../system-context/index"
@@ -65,5 +64,3 @@ export const layer = Layer.effect(
 )

 export const locationLayer = layer
-
-export const node = makeLocationNode({ service: Service, layer, deps: [Reference.node] })
@@ -5,7 +5,6 @@ import { Git } from "./git"
 import { Global } from "./global"
 import { Repository } from "./repository"
 import { AbsolutePath } from "./schema"
-import { makeGlobalNode } from "./effect/node"
 import { EffectFlock } from "./util/effect-flock"

 export type Result = {
@@ -230,12 +229,6 @@ export const defaultLayer: Layer.Layer<Service> = layer.pipe(
  Layer.provide(Global.defaultLayer),
 )

-export const node = makeGlobalNode({
-  service: Service,
-  layer,
-  deps: [EffectFlock.node, FSUtil.node, Git.node, Global.node],
-})
-
 function statusForRepository(input: { reuse: boolean; refresh?: boolean; branchMatches?: boolean }) {
  if (!input.reuse) return "cloned" as const
  if (input.branchMatches === false || input.refresh) return "refreshed" as const
@@ -3,7 +3,7 @@ export * as Ripgrep from "./ripgrep"
 import { Context, Effect, Fiber, Layer, Schema, Stream } from "effect"
 import { ChildProcess } from "effect/unstable/process"
 import { Entry, Match } from "@opencode-ai/schema/filesystem"
-import { makeGlobalNode } from "./effect/node"
+import { LayerNode } from "./effect/layer-node"
 import { AppProcess, collectStream, waitForAbort } from "./process"
 import { NonNegativeInt, PositiveInt, RelativePath } from "./schema"
 import { RipgrepBinary } from "./ripgrep/binary"
@@ -279,4 +279,4 @@ export const layer = Layer.effect(
 )

 export const defaultLayer = layer.pipe(Layer.provide(Layer.merge(RipgrepBinary.defaultLayer, AppProcess.defaultLayer)))
-export const node = makeGlobalNode({ service: Service, layer: layer, deps: [RipgrepBinary.node, AppProcess.node] })
+export const node = LayerNode.make({ service: Service, layer: layer, deps: [RipgrepBinary.node, AppProcess.node] })
@@ -4,7 +4,7 @@ import { FetchHttpClient, HttpClient, HttpClientRequest } from "effect/unstable/
 import { ChildProcess } from "effect/unstable/process"
 import { ChildProcessSpawner } from "effect/unstable/process/ChildProcessSpawner"
 import { CrossSpawnSpawner } from "../cross-spawn-spawner"
-import { makeGlobalNode } from "../effect/node"
+import { LayerNode } from "../effect/layer-node"
 import { httpClient } from "../effect/layer-node-platform"
 import { FSUtil } from "../fs-util"
 import { Global } from "../global"
@@ -130,7 +130,7 @@ export namespace RipgrepBinary {
    Layer.provide(CrossSpawnSpawner.defaultLayer),
  )

-  export const node = makeGlobalNode({
+  export const node = LayerNode.make({
    service: Service,
    layer: layer,
    deps: [FSUtil.node, httpClient, CrossSpawnSpawner.node],
@@ -27,8 +27,6 @@ import { fromRow } from "./session/info"
 import { SessionRunner } from "./session/runner/index"
 import { SessionStore } from "./session/store"
 import { SessionExecution } from "./session/execution"
-import { makeGlobalNode } from "./effect/node"
-import { LocationServiceMap } from "./location-service-map"
 import { MessageDecodeError } from "./session/error"
 import { SessionEvent } from "./session/event"
 import { SessionInput } from "./session/input"
@@ -181,277 +179,289 @@ export interface Interface {

 export class Service extends Context.Service<Service, Interface>()("@opencode/v2/Session") {}

-export const layer = Layer.effect(
-  Service,
-  Effect.gen(function* () {
-    const database = yield* Database.Service
-    const db = database.db
-    const events = yield* EventV2.Service
-    const projects = yield* ProjectV2.Service
-    const execution = yield* SessionExecution.Service
-    const store = yield* SessionStore.Service
-    const locations = yield* LocationServiceMap.Service
-    const decodeMessage = Schema.decodeUnknownEffect(SessionMessage.Message)
-    const isDurableSessionEvent = Schema.is(SessionEvent.Durable)
-    const decode = (row: typeof SessionMessageTable.$inferSelect) =>
-      decodeMessage({ ...row.data, id: row.id, type: row.type }).pipe(
-        Effect.mapError(
-          () =>
-            new MessageDecodeError({
-              sessionID: SessionSchema.ID.make(row.session_id),
-              messageID: SessionMessage.ID.make(row.id),
-            }),
-        ),
-      )
-
-    const result = Service.of({
-      create: Effect.fn("V2Session.create")(function* (input) {
-        const sessionID = input.id ?? SessionSchema.ID.create()
-        const recorded = yield* store.get(sessionID)
-        if (recorded) return recorded
-        const project = yield* projects.resolve(input.location.directory)
-        yield* db
-          .insert(ProjectTable)
-          .values({ id: project.id, worktree: project.directory, vcs: project.vcs?.type, sandboxes: [] })
-          .onConflictDoNothing()
-          .run()
-          .pipe(Effect.orDie)
-        const now = Date.now()
-        const info = SessionV1.SessionInfo.make({
-          id: sessionID,
-          slug: Slug.create(),
-          version: InstallationVersion,
-          projectID: project.id,
-          directory: input.location.directory,
-          path: path.relative(project.directory, input.location.directory).replaceAll("\\", "/"),
-          workspaceID: input.location.workspaceID ? WorkspaceV2.ID.make(input.location.workspaceID) : undefined,
-          title: `New session - ${new Date(now).toISOString()}`,
-          agent: input.agent,
-          model: input.model
-            ? {
-                id: ModelV2.ID.make(input.model.id),
-                providerID: input.model.providerID,
-                variant: input.model.variant,
-              }
-            : undefined,
-          cost: 0,
-          tokens: { input: 0, output: 0, reasoning: 0, cache: { read: 0, write: 0 } },
-          time: { created: now, updated: now },
-        })
-        const projected = yield* events
-          .publish(SessionV1.Event.Created, { sessionID, info }, { location: input.location })
-          .pipe(
-            Effect.as({ type: "created" } as const),
-            Effect.catchDefect((defect) => {
-              if (!(defect instanceof SessionProjector.SessionAlreadyProjected)) {
-                return Effect.die(defect)
-              }
-              // Concurrent creation lost the projection race. The existing Session identity wins.
-              return store
-                .get(sessionID)
-                .pipe(
-                  Effect.flatMap((session) =>
-                    session ? Effect.succeed({ type: "existing", session } as const) : Effect.die(defect),
-                  ),
-                )
-            }),
-          )
-        if (projected.type === "existing") return projected.session
-        // TODO: Restore recorded sessions onto replacement synchronized workspaces in a future API slice.
-        return yield* result.get(sessionID).pipe(Effect.orDie)
-      }),
-      get: Effect.fn("V2Session.get")(function* (sessionID) {
-        const session = yield* store.get(sessionID)
-        if (!session) return yield* new NotFoundError({ sessionID })
-        return session
-      }),
-      list: Effect.fn("V2Session.list")(function* (input = {}) {
-        const direction = input.anchor?.direction ?? "next"
-        const requestedOrder = input.order ?? "desc"
-        const order = direction === "previous" ? (requestedOrder === "asc" ? "desc" : "asc") : requestedOrder
-        const sortColumn = SessionTable.time_created
-        const conditions: SQL[] = []
-        if ("directory" in input) conditions.push(eq(SessionTable.directory, input.directory))
-        if (input.workspaceID) conditions.push(eq(SessionTable.workspace_id, input.workspaceID))
-        if ("project" in input) conditions.push(eq(SessionTable.project_id, input.project))
-        if (input.search) conditions.push(like(SessionTable.title, `%${input.search}%`))
-        if (input.anchor) {
-          conditions.push(
-            order === "asc"
-              ? or(
-                  gt(sortColumn, input.anchor.time),
-                  and(eq(sortColumn, input.anchor.time), gt(SessionTable.id, input.anchor.id)),
-                )!
-              : or(
-                  lt(sortColumn, input.anchor.time),
-                  and(eq(sortColumn, input.anchor.time), lt(SessionTable.id, input.anchor.id)),
-                )!,
-          )
-        }
-        const query = db
-          .select()
-          .from(SessionTable)
-          .where(conditions.length > 0 ? and(...conditions) : undefined)
-          .orderBy(
-            order === "asc" ? asc(sortColumn) : desc(sortColumn),
-            order === "asc" ? asc(SessionTable.id) : desc(SessionTable.id),
-          )
-        const rows = yield* (input.limit === undefined ? query.all() : query.limit(input.limit).all()).pipe(
-          Effect.orDie,
-        )
-        return (direction === "previous" ? rows.toReversed() : rows).map((row) => fromRow(row))
-      }),
-      messages: Effect.fn("V2Session.messages")(function* (input) {
-        yield* result.get(input.sessionID)
-        const direction = input.cursor?.direction ?? "next"
-        const requestedOrder = input.order ?? "desc"
-        const order = direction === "previous" ? (requestedOrder === "asc" ? "desc" : "asc") : requestedOrder
-        const anchor = input.cursor
-          ? yield* db
-              .select({ seq: SessionMessageTable.seq })
-              .from(SessionMessageTable)
-              .where(
-                and(eq(SessionMessageTable.session_id, input.sessionID), eq(SessionMessageTable.id, input.cursor.id)),
-              )
-              .get()
-              .pipe(Effect.orDie)
-          : undefined
-        if (input.cursor && !anchor) return []
-        const boundary = anchor
-          ? order === "asc"
-            ? gt(SessionMessageTable.seq, anchor.seq)
-            : lt(SessionMessageTable.seq, anchor.seq)
-          : undefined
-        const where = boundary
-          ? and(eq(SessionMessageTable.session_id, input.sessionID), boundary)
-          : eq(SessionMessageTable.session_id, input.sessionID)
-        const query = db
-          .select()
-          .from(SessionMessageTable)
-          .where(where)
-          .orderBy(order === "asc" ? asc(SessionMessageTable.seq) : desc(SessionMessageTable.seq))
-        const rows = yield* (input.limit === undefined ? query.all() : query.limit(input.limit).all()).pipe(
-          Effect.orDie,
-        )
-        return yield* Effect.forEach(direction === "previous" ? rows.toReversed() : rows, decode)
-      }),
-      message: Effect.fn("V2Session.message")(function* (input) {
-        const stored = yield* store.message(input.messageID)
-        return stored?.sessionID === input.sessionID ? stored.message : undefined
-      }),
-      context: Effect.fn("V2Session.context")(function* (sessionID) {
-        yield* result.get(sessionID)
-        return yield* store.context(sessionID)
-      }),
-      events: (input) =>
-        Stream.unwrap(
-          result
-            .get(input.sessionID)
-            .pipe(Effect.as(events.durable({ aggregateID: input.sessionID, after: input.after }))),
-        ).pipe(Stream.filter((event): event is SessionEvent.DurableEvent => isDurableSessionEvent(event))),
-      history: Effect.fn("V2Session.history")(function* (input) {
-        yield* result.get(input.sessionID)
-        return yield* EventV2.readAggregate(db, {
-          ...input,
-          aggregateID: input.sessionID,
-          manifest: SessionDurable,
-        })
-      }),
-      prompt: Effect.fn("V2Session.prompt")((input) =>
-        Effect.uninterruptible(
-          Effect.gen(function* () {
-            yield* result.get(input.sessionID)
-            const prompt = resolvePrompt(input.prompt)
-            const messageID = input.id ?? SessionMessage.ID.create()
-            const delivery = input.delivery ?? "steer"
-            const expected = { sessionID: input.sessionID, messageID, prompt, delivery }
-            const admitted = yield* SessionInput.admit(db, events, {
-              id: messageID,
-              sessionID: input.sessionID,
-              prompt,
-              delivery,
-            }).pipe(
-              Effect.catchDefect((defect) =>
-                defect instanceof SessionInput.LifecycleConflict
-                  ? new PromptConflictError({ sessionID: input.sessionID, messageID })
-                  : Effect.die(defect),
+export const layer = Layer.unwrap(
+  Effect.promise(() => import("./location-layer")).pipe(
+    Effect.map(({ LocationServiceMap }) =>
+      Layer.effect(
+        Service,
+        Effect.gen(function* () {
+          const database = yield* Database.Service
+          const db = database.db
+          const events = yield* EventV2.Service
+          const projects = yield* ProjectV2.Service
+          const execution = yield* SessionExecution.Service
+          const store = yield* SessionStore.Service
+          const locations = yield* LocationServiceMap
+          const decodeMessage = Schema.decodeUnknownEffect(SessionMessage.Message)
+          const isDurableSessionEvent = Schema.is(SessionEvent.Durable)
+          const decode = (row: typeof SessionMessageTable.$inferSelect) =>
+            decodeMessage({ ...row.data, id: row.id, type: row.type }).pipe(
+              Effect.mapError(
+                () =>
+                  new MessageDecodeError({
+                    sessionID: SessionSchema.ID.make(row.session_id),
+                    messageID: SessionMessage.ID.make(row.id),
+                  }),
              ),
            )
-            if (!SessionInput.equivalent(admitted, expected))
-              return yield* new PromptConflictError({ sessionID: input.sessionID, messageID })
-            if (input.resume !== false) yield* execution.wake(admitted.sessionID)
-            return admitted
-          }),
-        ),
-      ),
-      shell: Effect.fn("V2Session.shell")(function* () {
-        return yield* new OperationUnavailableError({ operation: "shell" })
-      }),
-      skill: Effect.fn("V2Session.skill")(function* () {
-        return yield* new OperationUnavailableError({ operation: "skill" })
-      }),
-      switchAgent: Effect.fn("V2Session.switchAgent")(function* (input) {
-        yield* result.get(input.sessionID)
-        yield* events.publish(SessionEvent.AgentSwitched, {
-          sessionID: input.sessionID,
-          messageID: SessionMessage.ID.create(),
-          timestamp: yield* DateTime.now,
-          agent: input.agent,
-        })
-      }),
-      switchModel: Effect.fn("V2Session.switchModel")(function* (input) {
-        yield* result.get(input.sessionID)
-        yield* events.publish(SessionEvent.ModelSwitched, {
-          sessionID: input.sessionID,
-          messageID: SessionMessage.ID.create(),
-          timestamp: yield* DateTime.now,
-          model: input.model,
-        })
-      }),
-      compact: Effect.fn("V2Session.compact")(function* (input) {
-        yield* result.get(input.sessionID)
-        return yield* new OperationUnavailableError({ operation: "compact" })
-      }),
-      wait: Effect.fn("V2Session.wait")(function* (sessionID) {
-        yield* result.get(sessionID)
-        return yield* new OperationUnavailableError({ operation: "wait" })
-      }),
-      active: execution.active,
-      resume: Effect.fn("V2Session.resume")(function* (sessionID) {
-        yield* result.get(sessionID)
-        yield* execution.resume(sessionID)
-      }),
-      interrupt: Effect.fn("V2Session.interrupt")((sessionID) =>
-        Effect.uninterruptible(execution.interrupt(sessionID)),
-      ),
-      revert: {
-        stage: Effect.fn("V2Session.revert.stage")(function* (input) {
-          const session = yield* result.get(input.sessionID)
-          return yield* SessionRevert.stage({ session, messageID: input.messageID, files: input.files }).pipe(
-            Effect.provideService(Database.Service, database),
-            Effect.provideService(EventV2.Service, events),
-            Effect.provide(locations.get(session.location)),
-          )
-        }),
-        clear: Effect.fn("V2Session.revert.clear")(function* (sessionID) {
-          const session = yield* result.get(sessionID)
-          yield* SessionRevert.clear(session).pipe(
-            Effect.provideService(EventV2.Service, events),
-            Effect.provide(locations.get(session.location)),
-          )
-        }),
-        commit: Effect.fn("V2Session.revert.commit")(function* (sessionID) {
-          const session = yield* result.get(sessionID)
-          yield* SessionRevert.commit(session).pipe(Effect.provideService(EventV2.Service, events))
-        }),
-      },
-    })

-    return result
-  }),
+          const result = Service.of({
+            create: Effect.fn("V2Session.create")(function* (input) {
+              const sessionID = input.id ?? SessionSchema.ID.create()
+              const recorded = yield* store.get(sessionID)
+              if (recorded) return recorded
+              const project = yield* projects.resolve(input.location.directory)
+              yield* db
+                .insert(ProjectTable)
+                .values({ id: project.id, worktree: project.directory, vcs: project.vcs?.type, sandboxes: [] })
+                .onConflictDoNothing()
+                .run()
+                .pipe(Effect.orDie)
+              const now = Date.now()
+              const info = SessionV1.SessionInfo.make({
+                id: sessionID,
+                slug: Slug.create(),
+                version: InstallationVersion,
+                projectID: project.id,
+                directory: input.location.directory,
+                path: path.relative(project.directory, input.location.directory).replaceAll("\\", "/"),
+                workspaceID: input.location.workspaceID ? WorkspaceV2.ID.make(input.location.workspaceID) : undefined,
+                title: `New session - ${new Date(now).toISOString()}`,
+                agent: input.agent,
+                model: input.model
+                  ? {
+                      id: ModelV2.ID.make(input.model.id),
+                      providerID: input.model.providerID,
+                      variant: input.model.variant,
+                    }
+                  : undefined,
+                cost: 0,
+                tokens: { input: 0, output: 0, reasoning: 0, cache: { read: 0, write: 0 } },
+                time: { created: now, updated: now },
+              })
+              const projected = yield* events
+                .publish(SessionV1.Event.Created, { sessionID, info }, { location: input.location })
+                .pipe(
+                  Effect.as({ type: "created" } as const),
+                  Effect.catchDefect((defect) => {
+                    if (!(defect instanceof SessionProjector.SessionAlreadyProjected)) {
+                      return Effect.die(defect)
+                    }
+                    // Concurrent creation lost the projection race. The existing Session identity wins.
+                    return store
+                      .get(sessionID)
+                      .pipe(
+                        Effect.flatMap((session) =>
+                          session ? Effect.succeed({ type: "existing", session } as const) : Effect.die(defect),
+                        ),
+                      )
+                  }),
+                )
+              if (projected.type === "existing") return projected.session
+              // TODO: Restore recorded sessions onto replacement synchronized workspaces in a future API slice.
+              return yield* result.get(sessionID).pipe(Effect.orDie)
+            }),
+            get: Effect.fn("V2Session.get")(function* (sessionID) {
+              const session = yield* store.get(sessionID)
+              if (!session) return yield* new NotFoundError({ sessionID })
+              return session
+            }),
+            list: Effect.fn("V2Session.list")(function* (input = {}) {
+              const direction = input.anchor?.direction ?? "next"
+              const requestedOrder = input.order ?? "desc"
+              const order = direction === "previous" ? (requestedOrder === "asc" ? "desc" : "asc") : requestedOrder
+              const sortColumn = SessionTable.time_created
+              const conditions: SQL[] = []
+              if ("directory" in input) conditions.push(eq(SessionTable.directory, input.directory))
+              if (input.workspaceID) conditions.push(eq(SessionTable.workspace_id, input.workspaceID))
+              if ("project" in input) conditions.push(eq(SessionTable.project_id, input.project))
+              if (input.search) conditions.push(like(SessionTable.title, `%${input.search}%`))
+              if (input.anchor) {
+                conditions.push(
+                  order === "asc"
+                    ? or(
+                        gt(sortColumn, input.anchor.time),
+                        and(eq(sortColumn, input.anchor.time), gt(SessionTable.id, input.anchor.id)),
+                      )!
+                    : or(
+                        lt(sortColumn, input.anchor.time),
+                        and(eq(sortColumn, input.anchor.time), lt(SessionTable.id, input.anchor.id)),
+                      )!,
+                )
+              }
+              const query = db
+                .select()
+                .from(SessionTable)
+                .where(conditions.length > 0 ? and(...conditions) : undefined)
+                .orderBy(
+                  order === "asc" ? asc(sortColumn) : desc(sortColumn),
+                  order === "asc" ? asc(SessionTable.id) : desc(SessionTable.id),
+                )
+              const rows = yield* (input.limit === undefined ? query.all() : query.limit(input.limit).all()).pipe(
+                Effect.orDie,
+              )
+              return (direction === "previous" ? rows.toReversed() : rows).map((row) => fromRow(row))
+            }),
+            messages: Effect.fn("V2Session.messages")(function* (input) {
+              yield* result.get(input.sessionID)
+              const direction = input.cursor?.direction ?? "next"
+              const requestedOrder = input.order ?? "desc"
+              const order = direction === "previous" ? (requestedOrder === "asc" ? "desc" : "asc") : requestedOrder
+              const anchor = input.cursor
+                ? yield* db
+                    .select({ seq: SessionMessageTable.seq })
+                    .from(SessionMessageTable)
+                    .where(
+                      and(
+                        eq(SessionMessageTable.session_id, input.sessionID),
+                        eq(SessionMessageTable.id, input.cursor.id),
+                      ),
+                    )
+                    .get()
+                    .pipe(Effect.orDie)
+                : undefined
+              if (input.cursor && !anchor) return []
+              const boundary = anchor
+                ? order === "asc"
+                  ? gt(SessionMessageTable.seq, anchor.seq)
+                  : lt(SessionMessageTable.seq, anchor.seq)
+                : undefined
+              const where = boundary
+                ? and(eq(SessionMessageTable.session_id, input.sessionID), boundary)
+                : eq(SessionMessageTable.session_id, input.sessionID)
+              const query = db
+                .select()
+                .from(SessionMessageTable)
+                .where(where)
+                .orderBy(order === "asc" ? asc(SessionMessageTable.seq) : desc(SessionMessageTable.seq))
+              const rows = yield* (input.limit === undefined ? query.all() : query.limit(input.limit).all()).pipe(
+                Effect.orDie,
+              )
+              return yield* Effect.forEach(direction === "previous" ? rows.toReversed() : rows, decode)
+            }),
+            message: Effect.fn("V2Session.message")(function* (input) {
+              const stored = yield* store.message(input.messageID)
+              return stored?.sessionID === input.sessionID ? stored.message : undefined
+            }),
+            context: Effect.fn("V2Session.context")(function* (sessionID) {
+              yield* result.get(sessionID)
+              return yield* store.context(sessionID)
+            }),
+            events: (input) =>
+              Stream.unwrap(
+                result
+                  .get(input.sessionID)
+                  .pipe(Effect.as(events.durable({ aggregateID: input.sessionID, after: input.after }))),
+              ).pipe(Stream.filter((event): event is SessionEvent.DurableEvent => isDurableSessionEvent(event))),
+            history: Effect.fn("V2Session.history")(function* (input) {
+              yield* result.get(input.sessionID)
+              return yield* EventV2.readAggregate(db, {
+                ...input,
+                aggregateID: input.sessionID,
+                manifest: SessionDurable,
+              })
+            }),
+            prompt: Effect.fn("V2Session.prompt")((input) =>
+              Effect.uninterruptible(
+                Effect.gen(function* () {
+                  yield* result.get(input.sessionID)
+                  const prompt = resolvePrompt(input.prompt)
+                  const messageID = input.id ?? SessionMessage.ID.create()
+                  const delivery = input.delivery ?? "steer"
+                  const expected = { sessionID: input.sessionID, messageID, prompt, delivery }
+                  const admitted = yield* SessionInput.admit(db, events, {
+                    id: messageID,
+                    sessionID: input.sessionID,
+                    prompt,
+                    delivery,
+                  }).pipe(
+                    Effect.catchDefect((defect) =>
+                      defect instanceof SessionInput.LifecycleConflict
+                        ? new PromptConflictError({ sessionID: input.sessionID, messageID })
+                        : Effect.die(defect),
+                    ),
+                  )
+                  if (!SessionInput.equivalent(admitted, expected))
+                    return yield* new PromptConflictError({ sessionID: input.sessionID, messageID })
+                  if (input.resume !== false) yield* execution.wake(admitted.sessionID)
+                  return admitted
+                }),
+              ),
+            ),
+            shell: Effect.fn("V2Session.shell")(function* () {
+              return yield* new OperationUnavailableError({ operation: "shell" })
+            }),
+            skill: Effect.fn("V2Session.skill")(function* () {
+              return yield* new OperationUnavailableError({ operation: "skill" })
+            }),
+            switchAgent: Effect.fn("V2Session.switchAgent")(function* (input) {
+              yield* result.get(input.sessionID)
+              yield* events.publish(SessionEvent.AgentSwitched, {
+                sessionID: input.sessionID,
+                messageID: SessionMessage.ID.create(),
+                timestamp: yield* DateTime.now,
+                agent: input.agent,
+              })
+            }),
+            switchModel: Effect.fn("V2Session.switchModel")(function* (input) {
+              yield* result.get(input.sessionID)
+              yield* events.publish(SessionEvent.ModelSwitched, {
+                sessionID: input.sessionID,
+                messageID: SessionMessage.ID.create(),
+                timestamp: yield* DateTime.now,
+                model: input.model,
+              })
+            }),
+            compact: Effect.fn("V2Session.compact")(function* (input) {
+              yield* result.get(input.sessionID)
+              return yield* new OperationUnavailableError({ operation: "compact" })
+            }),
+            wait: Effect.fn("V2Session.wait")(function* (sessionID) {
+              yield* result.get(sessionID)
+              return yield* new OperationUnavailableError({ operation: "wait" })
+            }),
+            active: execution.active,
+            resume: Effect.fn("V2Session.resume")(function* (sessionID) {
+              yield* result.get(sessionID)
+              yield* execution.resume(sessionID)
+            }),
+            interrupt: Effect.fn("V2Session.interrupt")((sessionID) =>
+              Effect.uninterruptible(execution.interrupt(sessionID)),
+            ),
+            revert: {
+              stage: Effect.fn("V2Session.revert.stage")(function* (input) {
+                const session = yield* result.get(input.sessionID)
+                return yield* SessionRevert.stage({ session, messageID: input.messageID, files: input.files }).pipe(
+                  Effect.provideService(Database.Service, database),
+                  Effect.provideService(EventV2.Service, events),
+                  Effect.provide(locations.get(session.location)),
+                )
+              }),
+              clear: Effect.fn("V2Session.revert.clear")(function* (sessionID) {
+                const session = yield* result.get(sessionID)
+                yield* SessionRevert.clear(session).pipe(
+                  Effect.provideService(EventV2.Service, events),
+                  Effect.provide(locations.get(session.location)),
+                )
+              }),
+              commit: Effect.fn("V2Session.revert.commit")(function* (sessionID) {
+                const session = yield* result.get(sessionID)
+                yield* SessionRevert.commit(session).pipe(Effect.provideService(EventV2.Service, events))
+              }),
+            },
+          })
+
+          return result
+        }),
+      ),
+    ),
+  ),
 )

 export const defaultLayer = layer.pipe(
+  Layer.provide(
+    Layer.unwrap(Effect.promise(() => import("./location-layer")).pipe(Effect.map((m) => m.LocationServiceMap.layer))),
+  ),
  Layer.provide(SessionStore.defaultLayer),
  Layer.provide(SessionProjector.defaultLayer),
  Layer.provide(EventV2.defaultLayer),
@@ -473,17 +483,3 @@ const resolvePrompt = (input: PromptInput.Prompt) =>
      }
    }),
  })
-
-export const node = makeGlobalNode({
-  service: Service,
-  layer: layer.pipe(Layer.orDie),
-  deps: [
-    Database.node,
-    EventV2.node,
-    ProjectV2.node,
-    SessionExecution.node,
-    SessionStore.node,
-    LocationServiceMap.node,
-    SessionProjector.node,
-  ],
-})
@@ -1,8 +1,6 @@
 export * as SessionExecution from "./execution"

 import { Context, Effect, Layer } from "effect"
-import { LayerNode } from "../effect/layer-node"
-import { Node } from "../effect/node"
 import { SessionRunner } from "./runner/index"
 import { SessionSchema } from "./schema"

@@ -20,8 +18,6 @@ export interface Interface {
 /** Routes execution from a Session ID to the runner owned by that Session's Location. */
 export class Service extends Context.Service<Service, Interface>()("@opencode/v2/SessionExecution") {}

-export const node = LayerNode.unbound(Service, Node.tags.values.global)
-
 /** Low-level compatibility layer for callers that only need durable Session recording. */
 export const noopLayer = Layer.succeed(
  Service,
@@ -1,6 +1,5 @@
 import { Cause, Effect, Layer } from "effect"
-import { LocationServiceMap } from "../../location-service-map"
-import { makeGlobalNode } from "../../effect/node"
+import { LocationServiceMap } from "../../location-layer"
 import { SessionRunCoordinator } from "../run-coordinator"
 import { SessionRunner } from "../runner"
 import { SessionSchema } from "../schema"
@@ -12,7 +11,7 @@ export const layer = Layer.effect(
  SessionExecution.Service,
  Effect.gen(function* () {
    const store = yield* SessionStore.Service
-    const locations = yield* LocationServiceMap.Service
+    const locations = yield* LocationServiceMap
    const coordinator = yield* SessionRunCoordinator.make<SessionSchema.ID, SessionRunner.RunError>({
      drain: Effect.fnUntraced(function* (sessionID: SessionSchema.ID, force) {
        const session = yield* store.get(sessionID)
@@ -38,11 +37,3 @@ export const layer = Layer.effect(
 )

 export const defaultLayer = layer.pipe(Layer.provide(SessionStore.defaultLayer))
-
-export const node = makeGlobalNode({
-  service: SessionExecution.Service,
-  layer,
-  deps: [SessionStore.node, LocationServiceMap.node],
-})
-
-export * as SessionExecutionLocal from "./local"
@@ -4,7 +4,7 @@ import { and, desc, eq, gt, or, sql } from "drizzle-orm"
 import { DateTime, Effect, Layer, Schema } from "effect"
 import { Database } from "../database/database"
 import { EventV2 } from "../event"
-import { makeGlobalNode } from "../effect/node"
+import { LayerNode } from "../effect/layer-node"
 import { SessionEvent } from "./event"
 import { SessionV1 } from "../v1/session"
 import { WorkspaceTable } from "../control-plane/workspace.sql"
@@ -456,4 +456,4 @@ export const layer = Layer.effectDiscard(
 )

 export const defaultLayer = layer.pipe(Layer.provide(EventV2.defaultLayer), Layer.provide(Database.defaultLayer))
-export const node = makeGlobalNode({ name: "session-projector", layer, deps: [EventV2.node, Database.node] })
+export const node = LayerNode.make({ name: "session-projector", layer, deps: [EventV2.node, Database.node] })
@@ -36,8 +36,6 @@ import { createLLMEventPublisher } from "./publish-llm-event"
 import { toLLMMessages } from "./to-llm-message"
 import { MAX_STEPS_PROMPT } from "./max-steps"
 import { Snapshot } from "../../snapshot"
-import { makeLocationNode } from "../../effect/node"
-import { llmClient } from "../../effect/layer-node-platform"

 /**
 * Runs one durable coding-agent Session until it settles.
@@ -406,23 +404,3 @@ export const layer = Layer.effect(
 )

 export const defaultLayer = layer
-
-export const node = makeLocationNode({
-  service: Service,
-  layer,
-  deps: [
-    EventV2.node,
-    llmClient,
-    AgentV2.node,
-    ToolRegistry.node,
-    SessionRunnerModel.node,
-    SessionStore.node,
-    Location.node,
-    SystemContextRegistry.node,
-    SkillGuidance.node,
-    ReferenceGuidance.node,
-    Config.node,
-    Snapshot.node,
-    Database.node,
-  ],
-})
@@ -1,6 +1,5 @@
 export * as SessionRunnerModel from "./model"

-import { makeLocationNode } from "../../effect/node"
 import { type Model } from "@opencode-ai/llm"
 import * as AnthropicMessages from "@opencode-ai/llm/protocols/anthropic-messages"
 import * as OpenAICompatibleChat from "@opencode-ai/llm/protocols/openai-compatible-chat"
@@ -214,5 +213,3 @@ export const locationLayer = Layer.effect(
    })
  }),
 )
-
-export const node = makeLocationNode({ service: Service, layer: locationLayer, deps: [Catalog.node, Integration.node] })
@@ -3,7 +3,6 @@ export * as SessionStore from "./store"
 import { eq } from "drizzle-orm"
 import { Context, Effect, Layer, Schema } from "effect"
 import { Database } from "../database/database"
-import { makeGlobalNode } from "../effect/node"
 import { SessionHistory } from "./history"
 import { MessageDecodeError } from "./error"
 import { SessionMessage } from "./message"
@@ -61,5 +60,3 @@ export const layer = Layer.effect(
 )

 export const defaultLayer = layer.pipe(Layer.provide(Database.defaultLayer))
-
-export const node = makeGlobalNode({ service: Service, layer, deps: [Database.node] })
@@ -4,7 +4,6 @@ import { asc, eq } from "drizzle-orm"
 import { Context, Effect, Layer } from "effect"
 import { SessionTodo } from "@opencode-ai/schema/session-todo"
 import { Database } from "../database/database"
-import { makeLocationNode } from "../effect/node"
 import { EventV2 } from "../event"
 import { SessionSchema } from "./schema"
 import { TodoTable } from "./sql"
@@ -76,5 +75,3 @@ export const layer = Layer.effect(
 )

 export const defaultLayer = layer.pipe(Layer.provide(EventV2.defaultLayer), Layer.provide(Database.defaultLayer))
-
-export const node = makeLocationNode({ service: Service, layer, deps: [EventV2.node, Database.node] })
@@ -1,6 +1,5 @@
 export * as SkillV2 from "./skill"

-import { makeLocationNode } from "./effect/node"
 import path from "path"
 import { Context, Effect, Layer, Schema, Types } from "effect"
 import { Skill } from "@opencode-ai/schema/skill"
@@ -130,5 +129,3 @@ export const layer = Layer.effect(
 )

 export const locationLayer = layer.pipe(Layer.provide(SkillDiscovery.defaultLayer))
-
-export const node = makeLocationNode({ service: Service, layer, deps: [SkillDiscovery.node, FSUtil.node] })
@@ -5,8 +5,6 @@ import { Context, Effect, Layer, Schedule, Schema } from "effect"
 import { FetchHttpClient, HttpClient, HttpClientRequest, HttpClientResponse } from "effect/unstable/http"
 import { FSUtil } from "../fs-util"
 import { Global } from "../global"
-import { makeGlobalNode } from "../effect/node"
-import { httpClient } from "../effect/layer-node-platform"
 import { AbsolutePath } from "../schema"

 const skillConcurrency = 4
@@ -215,5 +213,3 @@ export const defaultLayer = layer.pipe(
  Layer.provide(FSUtil.defaultLayer),
  Layer.provide(Global.defaultLayer),
 )
-
-export const node = makeGlobalNode({ service: Service, layer, deps: [httpClient, FSUtil.node, Global.node] })
@@ -1,6 +1,5 @@
 export * as SkillGuidance from "./guidance"

-import { makeLocationNode } from "../effect/node"
 import { Context, Effect, Layer, Schema } from "effect"
 import { AgentV2 } from "../agent"
 import { PermissionV2 } from "../permission"
@@ -72,5 +71,3 @@ export const layer = Layer.effect(
 )

 export const locationLayer = layer
-
-export const node = makeLocationNode({ service: Service, layer, deps: [SkillV2.node] })
@@ -1,6 +1,5 @@
 export * as Snapshot from "./snapshot"

-import { makeLocationNode } from "./effect/node"
 import path from "path"
 import { Context, Effect, Layer, Schema } from "effect"
 import { Config } from "./config"
@@ -229,12 +228,6 @@ export const layer = Layer.effect(

 export const locationLayer = layer.pipe(Layer.provideMerge(Config.locationLayer))

-export const node = makeLocationNode({
-  service: Service,
-  layer,
-  deps: [Config.node, FSUtil.node, Git.node, Global.node, Location.node],
-})
-
 export const noopLayer = Layer.succeed(
  Service,
  Service.of({
@@ -1,13 +1,10 @@
 export * as SystemContextBuiltIns from "./builtins"

-import { makeLocationNode } from "../effect/node"
 import { DateTime, Effect, Layer, Schema } from "effect"
 import { Location } from "../location"
 import { SystemContext } from "./index"
 import { InstructionContext } from "../instruction-context"
 import { SystemContextRegistry } from "./registry"
-import { FSUtil } from "../fs-util"
-import { Global } from "../global"

 const builtIns = Layer.effectDiscard(
  Effect.gen(function* () {
@@ -48,9 +45,3 @@ export const layer = Layer.mergeAll(builtIns, InstructionContext.layer).pipe(
 )

 export const locationLayer = layer
-
-export const node = makeLocationNode({
-  name: "system-context-builtins",
-  layer,
-  deps: [Location.node, SystemContextRegistry.node, InstructionContext.node, FSUtil.node, Global.node],
-})
@@ -2,7 +2,6 @@ export * as SystemContextRegistry from "./registry"

 import { Context, Effect, Layer, Ref, Scope } from "effect"
 import { SystemContext } from "./index"
-import { makeLocationNode } from "../effect/node"

 export interface Entry {
  readonly key: SystemContext.Key
@@ -45,5 +44,3 @@ export const layer = Layer.effect(
    })
  }),
 )
-
-export const node = makeLocationNode({ service: Service, layer, deps: [] })
@@ -5,7 +5,6 @@ import { Context, Duration, Effect, Layer, Option, Schedule, Schema } from "effe
 import { Config } from "./config"
 import { FSUtil } from "./fs-util"
 import { Global } from "./global"
-import { makeGlobalNode, makeLocationNode } from "./effect/node"
 import { SessionSchema } from "./session/schema"
 import { Identifier } from "./util/identifier"
 import type { ToolOutput } from "@opencode-ai/llm"
@@ -194,8 +193,6 @@ export const layer = Layer.effect(

 export const defaultLayer = layer.pipe(Layer.provide(FSUtil.defaultLayer), Layer.provide(Global.defaultLayer))

-export const node = makeLocationNode({ service: Service, layer, deps: [FSUtil.node, Global.node, Config.node] })
-
 /** Runs retention scanning once globally rather than once per active Location. */
 export const cleanupLayer = Layer.effectDiscard(
  Effect.gen(function* () {
@@ -205,5 +202,3 @@ export const cleanupLayer = Layer.effectDiscard(
 )

 export const defaultCleanupLayer = Layer.merge(defaultLayer, cleanupLayer.pipe(Layer.provide(defaultLayer)))
-
-export const cleanupNode = makeGlobalNode({ name: "tool-output-cleanup", layer: defaultCleanupLayer, deps: [] })
@@ -3,7 +3,6 @@ export * as ApplicationTools from "./application-tools"
 import { Context, Effect, Layer, Scope } from "effect"
 import { State } from "../state"
 import { Tool } from "./tool"
-import { makeGlobalNode } from "../effect/node"

 type Data = {
  readonly entries: Map<string, Entry>
@@ -53,5 +52,3 @@ export const layer = Layer.effect(
    })
  }),
 )
-
-export const node = makeGlobalNode({ service: Service, layer, deps: [] })
@@ -1,6 +1,5 @@
 export * as BuiltInTools from "./builtins"

-import { makeLocationNode } from "../effect/node"
 import { Layer } from "effect"
 import { BashTool } from "./bash"
 import { ApplyPatchTool } from "./apply-patch"
@@ -15,20 +14,6 @@ import { TodoWriteTool } from "./todowrite"
 import { WebFetchTool } from "./webfetch"
 import { WebSearchTool } from "./websearch"
 import { WriteTool } from "./write"
-import { FSUtil } from "../fs-util"
-import { AppProcess } from "../process"
-import { Config } from "../config"
-import { Location } from "../location"
-import { LocationMutation } from "../location-mutation"
-import { FileMutation } from "../file-mutation"
-import { PermissionV2 } from "../permission"
-import { Ripgrep } from "../ripgrep"
-import { Image } from "../image"
-import { QuestionV2 } from "../question"
-import { SkillV2 } from "../skill"
-import { SessionTodo } from "../session/todo"
-import { ToolRegistry } from "./registry"
-import { httpClient } from "../effect/layer-node-platform"

 /**
 * Composes only the shipped Location-scoped built-in tool transforms.
@@ -57,25 +42,3 @@ export const locationLayer = Layer.mergeAll(
  WebSearchTool.layer.pipe(Layer.provide(WebSearchTool.defaultConfigLayer)),
  WriteTool.layer,
 )
-
-export const node = makeLocationNode({
-  name: "built-in-tools",
-  layer: locationLayer,
-  deps: [
-    ToolRegistry.toolsNode,
-    FSUtil.node,
-    AppProcess.node,
-    Config.node,
-    Location.node,
-    LocationMutation.node,
-    FileMutation.node,
-    PermissionV2.node,
-    Ripgrep.node,
-    Image.node,
-    QuestionV2.node,
-    SkillV2.node,
-    SessionTodo.node,
-    ReadToolFileSystem.node,
-    httpClient,
-  ],
-})
@@ -5,7 +5,6 @@ import { pathToFileURL } from "url"
 import { Context, Effect, Layer, Option, Schema } from "effect"
 import { FileSystem } from "../filesystem"
 import { FSUtil } from "../fs-util"
-import { makeLocationNode } from "../effect/node"
 import { AbsolutePath, PositiveInt, RelativePath } from "../schema"

 export const MAX_READ_LINES = 2_000
@@ -362,5 +361,3 @@ export const layer = Layer.effect(
    })
  }),
 )
-
-export const node = makeLocationNode({ service: Service, layer, deps: [FSUtil.node] })
@@ -11,7 +11,6 @@ import { Wildcard } from "../util/wildcard"
 import { ApplicationTools } from "./application-tools"
 import { definition, permission, settle, validateName, type AnyTool, type RegistrationError } from "./tool"
 import { Tools } from "./tools"
-import { makeLocationNode } from "../effect/node"

 export type ExecuteInput = {
  readonly sessionID: SessionSchema.ID
@@ -138,15 +137,3 @@ export const defaultLayer = layer.pipe(
  Layer.provide(ApplicationTools.layer),
  Layer.provide(ToolOutputStore.defaultLayer),
 )
-
-export const node = makeLocationNode({
-  service: Service,
-  layer,
-  deps: [ApplicationTools.node, ToolOutputStore.node],
-})
-
-export const toolsNode = makeLocationNode({
-  service: Tools.Service,
-  layer,
-  deps: [ApplicationTools.node, ToolOutputStore.node],
-})
@@ -6,7 +6,7 @@ import type { FileSystem, Scope } from "effect"
 import type { PlatformError } from "effect/PlatformError"
 import { FSUtil } from "../fs-util"
 import { Global } from "../global"
-import { makeGlobalNode } from "../effect/node"
+import { LayerNode } from "../effect/layer-node"
 import { Hash } from "./hash"

 export namespace EffectFlock {
@@ -281,5 +281,5 @@ export namespace EffectFlock {
  )

  export const defaultLayer = layer.pipe(Layer.provide(FSUtil.defaultLayer), Layer.provide(Global.layer))
-  export const node = makeGlobalNode({ service: Service, layer: layer, deps: [Global.node, FSUtil.node] })
+  export const node = LayerNode.make({ service: Service, layer: layer, deps: [Global.node, FSUtil.node] })
 }
@@ -1,137 +0,0 @@
-import { test } from "bun:test"
-import { Context, Effect, Layer } from "effect"
-import { LayerNode } from "@opencode-ai/core/effect/layer-node"
-import { LayerNodeTree } from "@opencode-ai/core/effect/layer-node"
-import { makeGlobalNode, makeLocationNode } from "@opencode-ai/core/effect/node"
-
-class A extends Context.Service<A, {}>()("test/LayerNodeA") {}
-class B extends Context.Service<B, {}>()("test/LayerNodeB") {}
-class C extends Context.Service<C, {}>()("test/LayerNodeC") {}
-class LayerError {
-  readonly _tag = "LayerError"
-}
-class OtherError {
-  readonly _tag = "OtherError"
-}
-
-const tags = LayerNode.tags({ app: [] })
-const make = tags.make("app")
-const build = <A, E>(root: LayerNode.Node<A, E, any>) => LayerNodeTree.compile(root) as Layer.Layer<A, E>
-const aLayer = Layer.succeed(A, A.of({}))
-const bLayer = Layer.effect(B, Effect.as(A, B.of({})))
-const cLayer = Layer.effect(
-  C,
-  Effect.gen(function* () {
-    yield* A
-    yield* B
-    return C.of({})
-  }),
-)
-const failingA = Layer.effect(A, Effect.fail(new LayerError()))
-const a = make({ service: A, layer: aLayer, deps: [] })
-const b = make({ service: B, layer: bLayer, deps: [a] })
-const c = make({ service: C, layer: cLayer, deps: [a, b] })
-const failing = make({ service: A, layer: failingA, deps: [] })
-const dependent = make({ service: B, layer: bLayer, deps: [failing] })
-const inputA = LayerNode.unbound(A, tags.values.app)
-const inputDependent = make({ service: B, layer: bLayer, deps: [inputA] })
-
-make({ name: "manual-a", layer: aLayer, deps: [] })
-
-// @ts-expect-error A node must have a service or name
-make({ layer: aLayer, deps: [] })
-
-// @ts-expect-error Service and name are mutually exclusive
-make({ service: A, name: "a", layer: aLayer, deps: [] })
-
-// @ts-expect-error B requires A
-make({ service: B, layer: bLayer, deps: [] })
-
-// @ts-expect-error C requires A and B
-make({ service: C, layer: cLayer, deps: [a] })
-
-const closed = build(LayerNode.group([c]))
-const closedWithError = build(LayerNode.group([dependent]))
-const checkClosed: Layer.Layer<C, never, never> = closed
-const checkError: Layer.Layer<B, LayerError, never> = closedWithError
-void checkClosed
-void checkError
-
-LayerNode.replace(aLayer, Layer.succeed(A, A.of({})))
-
-// @ts-expect-error Replacement must provide A
-LayerNode.replace(aLayer, Layer.succeed(B, B.of({})))
-
-// @ts-expect-error Replacement cannot introduce a new error
-LayerNode.replace(aLayer, Layer.effect(A, Effect.fail(new OtherError())))
-
-// @ts-expect-error Replacement must be closed
-LayerNode.replace(bLayer, bLayer)
-
-class TagA extends Context.Service<TagA, {}>()("test/TagA") {}
-class TagB extends Context.Service<TagB, {}>()("test/TagB") {}
-class TagC extends Context.Service<TagC, {}>()("test/TagC") {}
-
-const scopedTags = LayerNode.tags({ request: ["global"], global: [] })
-const request = scopedTags.make("request")
-const global = scopedTags.make("global")
-const globalA = global({ service: TagA, layer: Layer.succeed(TagA, TagA.of({})), deps: [] })
-const requestA = request({ service: TagA, layer: Layer.succeed(TagA, TagA.of({})), deps: [] })
-const requestB = request({ service: TagB, layer: Layer.succeed(TagB, TagB.of({})), deps: [] })
-const tagBLayer = Layer.effect(TagB, Effect.as(TagA, TagB.of({})))
-const tagCLayer = Layer.effect(
-  TagC,
-  Effect.gen(function* () {
-    yield* TagA
-    yield* TagB
-    return TagC.of({})
-  }),
-)
-
-request({ service: TagB, layer: tagBLayer, deps: [globalA] })
-request({ service: TagC, layer: tagCLayer, deps: [globalA, requestB] })
-request({ service: TagC, layer: tagCLayer, deps: [LayerNode.group([globalA, requestB])] })
-
-// @ts-expect-error Tag configuration can only reference declared tags
-LayerNode.tags({ request: ["missing"], global: [] })
-
-// @ts-expect-error An unrelated dependency cannot satisfy TagA
-request({ service: TagB, layer: tagBLayer, deps: [requestB] })
-
-// @ts-expect-error Providing only TagA leaves TagB missing
-request({ service: TagC, layer: tagCLayer, deps: [globalA] })
-
-// @ts-expect-error Providing only TagB leaves TagA missing
-request({ service: TagC, layer: tagCLayer, deps: [requestB] })
-
-// @ts-expect-error Duplicate TagA providers still leave TagB missing
-request({ service: TagC, layer: tagCLayer, deps: [globalA, requestA] })
-
-// @ts-expect-error A group with only TagA still leaves TagB missing
-request({ service: TagC, layer: tagCLayer, deps: [LayerNode.group([globalA])] })
-
-// @ts-expect-error Global cannot depend on request
-global({ service: TagB, layer: tagBLayer, deps: [requestA] })
-
-// @ts-expect-error Groups preserve their child tags
-global({ service: TagB, layer: tagBLayer, deps: [LayerNode.group([requestA])] })
-
-class ScopedA extends Context.Service<ScopedA, {}>()("test/ScopedA") {}
-class ScopedB extends Context.Service<ScopedB, {}>()("test/ScopedB") {}
-
-const scopedA = Layer.succeed(ScopedA, ScopedA.of({}))
-const scopedB = Layer.effect(ScopedB, Effect.as(ScopedA, ScopedB.of({})))
-const globalScopedA = makeGlobalNode({ service: ScopedA, layer: scopedA, deps: [] })
-const locationScopedA = makeLocationNode({ service: ScopedA, layer: scopedA, deps: [] })
-
-makeGlobalNode({ service: ScopedB, layer: scopedB, deps: [globalScopedA] })
-makeLocationNode({ service: ScopedB, layer: scopedB, deps: [globalScopedA] })
-makeLocationNode({ service: ScopedB, layer: scopedB, deps: [locationScopedA] })
-
-// @ts-expect-error Global nodes cannot depend on location nodes
-makeGlobalNode({ service: ScopedB, layer: scopedB, deps: [locationScopedA] })
-
-// @ts-expect-error ScopedB requires ScopedA
-makeLocationNode({ service: ScopedB, layer: scopedB, deps: [] })
-
-test("type exploration compiles", () => {})
@@ -1,226 +0,0 @@
-import { describe, expect, test } from "bun:test"
-import { Context, Effect, Layer } from "effect"
-import { LayerNode } from "@opencode-ai/core/effect/layer-node"
-import { LayerNodeTree } from "@opencode-ai/core/effect/layer-node"
-
-class Value extends Context.Service<Value, { readonly value: string }>()("test/LayerNodeValue") {}
-class Greeting extends Context.Service<Greeting, { readonly value: string }>()("test/LayerNodeGreeting") {}
-class Left extends Context.Service<Left, { readonly value: string }>()("test/LayerNodeLeft") {}
-class Right extends Context.Service<Right, { readonly value: string }>()("test/LayerNodeRight") {}
-class Database extends Context.Service<Database, { readonly name: string }>()("test/GraphDatabase") {}
-class Users extends Context.Service<Users, { readonly list: Effect.Effect<string[]> }>()("test/GraphUsers") {}
-class App extends Context.Service<App, { readonly run: Effect.Effect<string[]> }>()("test/GraphApp") {}
-
-const tags = LayerNode.tags({ app: [] })
-const make = tags.make("app")
-const build = <A, E>(root: LayerNode.Node<A, E, any>, replacements?: readonly LayerNode.Replacement[]) =>
-  LayerNodeTree.compile(root, new Map(replacements?.map((item) => [item.source, item.replacement]))) as Layer.Layer<
-    A,
-    E
-  >
-const valueLayer = Layer.succeed(Value, Value.of({ value: "production" }))
-const greetingLayer = Layer.effect(
-  Greeting,
-  Effect.map(Value, (value) => Greeting.of({ value: `hello ${value.value}` })),
-)
-const value = make({ service: Value, layer: valueLayer, deps: [] })
-const greeting = make({ service: Greeting, layer: greetingLayer, deps: [value] })
-
-describe("layer node", () => {
-  test("builds an untagged graph", async () => {
-    const value = LayerNode.make({ service: Value, layer: valueLayer, deps: [] })
-    const greeting = LayerNode.make({ service: Greeting, layer: greetingLayer, deps: [value] })
-    const program = Effect.map(Greeting, (item) => item.value).pipe(
-      Effect.provide(LayerNodeTree.compile(LayerNode.group([greeting]))),
-    )
-    expect(await Effect.runPromise(program)).toBe("hello production")
-  })
-
-  test("builds a dependency graph", async () => {
-    const program = Effect.map(Greeting, (item) => item.value).pipe(Effect.provide(build(LayerNode.group([greeting]))))
-    expect(await Effect.runPromise(program)).toBe("hello production")
-  })
-
-  test("exposes roots but hides transitive dependencies", () => {
-    const layer = build(LayerNode.group([greeting]))
-    const check: Layer.Layer<Greeting> = layer
-    void check
-  })
-
-  test("preserves branch-specific implementations across roots", async () => {
-    const firstValue = make({ service: Value, layer: Layer.succeed(Value, Value.of({ value: "first" })), deps: [] })
-    const secondValue = make({ service: Value, layer: Layer.succeed(Value, Value.of({ value: "second" })), deps: [] })
-    const leftLayer = Layer.effect(
-      Left,
-      Effect.map(Value, (item) => Left.of({ value: item.value })),
-    )
-    const rightLayer = Layer.effect(
-      Right,
-      Effect.map(Value, (item) => Right.of({ value: item.value })),
-    )
-    const left = make({ service: Left, layer: leftLayer, deps: [firstValue] })
-    const right = make({ service: Right, layer: rightLayer, deps: [secondValue] })
-    const layer = build(LayerNode.group([left, right]))
-    const program = Effect.gen(function* () {
-      return [(yield* Left).value, (yield* Right).value]
-    }).pipe(Effect.provide(layer))
-    expect(await Effect.runPromise(program)).toEqual(["first", "second"])
-  })
-
-  test("requires unbound nodes to be bound before compilation", async () => {
-    const unbound = LayerNode.unbound(Value, tags.values.app)
-    const greeting = make({ service: Greeting, layer: greetingLayer, deps: [unbound] })
-    const tree = LayerNode.group([greeting])
-    expect(() => LayerNodeTree.compile(tree)).toThrow("Unbound layer node: test/LayerNodeValue")
-    const bound = LayerNodeTree.bind(tree, unbound, value)
-    const layer = LayerNodeTree.compile(bound) as Layer.Layer<Greeting>
-    const program = Effect.map(Greeting, (item) => item.value).pipe(Effect.provide(layer))
-    expect(await Effect.runPromise(program)).toBe("hello production")
-  })
-
-  test("replaces a layer by identity", async () => {
-    const replacement = Layer.succeed(Value, Value.of({ value: "simulation" }))
-    const program = Effect.map(Greeting, (item) => item.value).pipe(
-      Effect.provide(build(LayerNode.group([greeting]), [LayerNode.replace(valueLayer, replacement)])),
-    )
-    expect(await Effect.runPromise(program)).toBe("hello simulation")
-  })
-
-  test("replaces every use of the same layer", async () => {
-    const leftLayer = Layer.effect(
-      Left,
-      Effect.map(Value, (item) => Left.of({ value: item.value })),
-    )
-    const rightLayer = Layer.effect(
-      Right,
-      Effect.map(Value, (item) => Right.of({ value: item.value })),
-    )
-    const left = make({ service: Left, layer: leftLayer, deps: [value] })
-    const right = make({ service: Right, layer: rightLayer, deps: [value] })
-    const replacement = Layer.succeed(Value, Value.of({ value: "replaced" }))
-    const layer = build(LayerNode.group([left, right]), [LayerNode.replace(valueLayer, replacement)])
-    const program = Effect.gen(function* () {
-      return [(yield* Left).value, (yield* Right).value]
-    }).pipe(Effect.provide(layer))
-    expect(await Effect.runPromise(program)).toEqual(["replaced", "replaced"])
-  })
-
-  test("does not acquire an unused replacement", async () => {
-    let acquisitions = 0
-    const other = Layer.succeed(Value, Value.of({ value: "other" }))
-    const replacement = Layer.effect(
-      Value,
-      Effect.sync(() => {
-        acquisitions++
-        return Value.of({ value: "replacement" })
-      }),
-    )
-    await Effect.runPromise(
-      Effect.map(Greeting, (item) => item.value).pipe(
-        Effect.provide(build(LayerNode.group([greeting]), [LayerNode.replace(other, replacement)])),
-      ),
-    )
-    expect(acquisitions).toBe(0)
-  })
-
-  test("hoists and compiles tagged graphs", async () => {
-    const tags = LayerNode.tags({ location: ["global"], global: [] })
-    const global = tags.make("global")
-    const location = tags.make("location")
-    const database = global({
-      service: Database,
-      layer: Layer.succeed(Database, Database.of({ name: "Alice" })),
-      deps: [],
-    })
-    const users = location({
-      service: Users,
-      layer: Layer.effect(
-        Users,
-        Effect.gen(function* () {
-          const db = yield* Database
-          return Users.of({ list: Effect.succeed([db.name]) })
-        }),
-      ),
-      deps: [database],
-    })
-    const app = location({
-      service: App,
-      layer: Layer.effect(
-        App,
-        Effect.gen(function* () {
-          const service = yield* Users
-          return App.of({ run: service.list })
-        }),
-      ),
-      deps: [users],
-    })
-
-    const result = LayerNodeTree.hoist(LayerNode.group([app]), tags.values.global)
-    expect(result.node.dependencies[0]?.dependencies[0]?.dependencies[0]).toMatchObject({
-      kind: "group",
-      dependencies: [],
-    })
-    expect(result.hoisted.dependencies).toEqual([database])
-
-    const layer = LayerNodeTree.compile(result.node).pipe(
-      Layer.provide(LayerNodeTree.compile(result.hoisted)),
-    ) as unknown as Layer.Layer<App>
-    const program = Effect.gen(function* () {
-      return yield* (yield* App).run
-    }).pipe(Effect.provide(layer))
-
-    expect(await Effect.runPromise(program)).toEqual(["Alice"])
-  })
-
-  test("rejects conflicting hoisted implementations", () => {
-    const tags = LayerNode.tags({ location: ["global"], global: [] })
-    const global = tags.make("global")
-    const location = tags.make("location")
-    const first = global({
-      service: Database,
-      layer: Layer.succeed(Database, Database.of({ name: "first" })),
-      deps: [],
-    })
-    const second = global({
-      service: Database,
-      layer: Layer.succeed(Database, Database.of({ name: "second" })),
-      deps: [],
-    })
-    const left = location({
-      service: Users,
-      layer: Layer.effect(Users, Effect.as(Database, Users.of({ list: Effect.succeed([]) }))),
-      deps: [first],
-    })
-    const right = location({
-      service: App,
-      layer: Layer.effect(App, Effect.as(Database, App.of({ run: Effect.succeed([]) }))),
-      deps: [second],
-    })
-
-    expect(() => LayerNodeTree.hoist(LayerNode.group([left, right]), tags.values.global)).toThrow(
-      "Tag global has conflicting implementations for test/GraphDatabase",
-    )
-  })
-
-  test("treats dependency groups as transparent while hoisting", () => {
-    const tags = LayerNode.tags({ location: ["global"], global: [] })
-    const global = tags.make("global")
-    const location = tags.make("location")
-    const database = global({
-      service: Database,
-      layer: Layer.succeed(Database, Database.of({ name: "Alice" })),
-      deps: [],
-    })
-    const users = location({
-      service: Users,
-      layer: Layer.effect(Users, Effect.as(Database, Users.of({ list: Effect.succeed([]) }))),
-      deps: [LayerNode.group([database])],
-    })
-    const result = LayerNodeTree.hoist(LayerNode.group([users]), tags.values.global)
-
-    expect(result.node.dependencies[0]?.dependencies[0]?.dependencies[0]).toMatchObject({
-      kind: "group",
-      dependencies: [],
-    })
-  })
-})
@@ -1,119 +0,0 @@
-import { describe, expect, test } from "bun:test"
-import { Context, Effect, Layer } from "effect"
-import { LayerNode } from "@opencode-ai/core/effect/layer-node"
-import { Node } from "@opencode-ai/core/effect/node"
-import { NodeBuild } from "@opencode-ai/core/effect/node-build"
-import { Location } from "@opencode-ai/core/location"
-import { LocationServiceMap } from "@opencode-ai/core/location-service-map"
-import { Project } from "@opencode-ai/core/project"
-import { AbsolutePath } from "@opencode-ai/core/schema"
-import { tmpdir } from "../../fixture/tmpdir"
-
-class Value extends Context.Service<Value, { readonly value: string }>()("test/TagValue") {}
-class Result extends Context.Service<Result, { readonly value: string }>()("test/TagResult") {}
-class Left extends Context.Service<Left, { readonly value: string }>()("test/TagLeft") {}
-class Right extends Context.Service<Right, { readonly value: string }>()("test/TagRight") {}
-class Last extends Context.Service<Last, { readonly value: string }>()("test/TagLast") {}
-
-describe("node build", () => {
-  test("shares top-level project with location services", async () => {
-    await using tmp = await tmpdir()
-    let acquisitions = 0
-    const projectLayer = Layer.effect(
-      Project.Service,
-      Effect.sync(() => {
-        acquisitions++
-        return Project.Service.of({
-          directories: () => Effect.succeed([]),
-          resolve: (directory) => Effect.succeed({ id: Project.ID.global, directory }),
-          commit: () => Effect.void,
-        })
-      }),
-    )
-    const layer = NodeBuild.build(LayerNode.group([Project.node, LocationServiceMap.node]), [
-      LayerNode.replace(Project.layer, projectLayer),
-    ])
-    const ref = Location.Ref.make({ directory: AbsolutePath.make(tmp.path) })
-    const program = Effect.gen(function* () {
-      yield* Project.Service
-      const locations = yield* LocationServiceMap.Service
-      return yield* Location.Service.pipe(Effect.provide(locations.get(ref)))
-    }).pipe(Effect.provide(layer))
-
-    expect((await Effect.runPromise(program)).directory).toBe(ref.directory)
-    expect(acquisitions).toBe(1)
-  })
-
-  test("returns a composed application layer", async () => {
-    const value = Node.makeGlobalNode({
-      service: Value,
-      layer: Layer.succeed(Value, Value.of({ value: "value" })),
-      deps: [],
-    })
-    const result = Node.makeGlobalNode({
-      service: Result,
-      layer: Layer.effect(
-        Result,
-        Effect.gen(function* () {
-          return Result.of({ value: (yield* Value).value })
-        }),
-      ),
-      deps: [value],
-    })
-    const serviceLayer = NodeBuild.build(LayerNode.group([result]))
-    const program = Effect.gen(function* () {
-      return (yield* Result).value
-    }).pipe(Effect.provide(serviceLayer))
-
-    expect(await Effect.runPromise(program)).toBe("value")
-  })
-
-  test("rebinds same-tag providers without reacquiring them", async () => {
-    let firstAcquisitions = 0
-    const tags = LayerNode.tags({ global: [] })
-    const global = tags.make("global")
-    const first = global({
-      service: Value,
-      layer: Layer.effect(
-        Value,
-        Effect.sync(() => {
-          firstAcquisitions++
-          return Value.of({ value: "first" })
-        }),
-      ),
-      deps: [],
-    })
-    const second = global({ service: Value, layer: Layer.succeed(Value, Value.of({ value: "second" })), deps: [] })
-    const left = global({
-      service: Left,
-      layer: Layer.effect(
-        Left,
-        Effect.map(Value, (value) => Left.of({ value: value.value })),
-      ),
-      deps: [first],
-    })
-    const right = global({
-      service: Right,
-      layer: Layer.effect(
-        Right,
-        Effect.map(Value, (value) => Right.of({ value: value.value })),
-      ),
-      deps: [second],
-    })
-    const last = global({
-      service: Last,
-      layer: Layer.effect(
-        Last,
-        Effect.map(Value, (value) => Last.of({ value: value.value })),
-      ),
-      deps: [first],
-    })
-    const layer = NodeBuild.build(LayerNode.group([left, right, last])) as Layer.Layer<Left | Right | Last>
-    const values = Effect.gen(function* () {
-      return [(yield* Left).value, (yield* Right).value, (yield* Last).value]
-    }).pipe(Effect.provide(layer))
-
-    expect(await Effect.runPromise(values)).toEqual(["first", "second", "first"])
-    expect(firstAcquisitions).toBe(1)
-  })
-})
@@ -6,7 +6,7 @@ import { Tool } from "@opencode-ai/core/tool/tool"
 import { define } from "@opencode-ai/plugin/v2/effect"
 import { AgentV2 } from "@opencode-ai/core/agent"
 import { Catalog } from "@opencode-ai/core/catalog"
-import { LocationServiceMap, locationServiceMapLayer } from "@opencode-ai/core/location-services"
+import { LocationServiceMap } from "@opencode-ai/core/location-layer"
 import { Location } from "@opencode-ai/core/location"
 import { PluginV2 } from "@opencode-ai/core/plugin"
 import { ModelV2 } from "@opencode-ai/core/model"
@@ -34,7 +34,7 @@ const applicationTools = ApplicationTools.layer
 const it = testEffect(
  Layer.merge(
    Layer.mergeAll(applicationTools, Database.defaultLayer, EventV2.defaultLayer),
-    locationServiceMapLayer.pipe(
+    LocationServiceMap.layer.pipe(
      Layer.provide(applicationTools),
      Layer.provide(
        Layer.mergeAll(
@@ -60,7 +60,7 @@ describe("LocationServiceMap", () => {
      Effect.flatMap((dir) =>
        Effect.scoped(
          Effect.gen(function* () {
-            const locations = yield* LocationServiceMap.Service
+            const locations = yield* LocationServiceMap
            const directory = AbsolutePath.make(dir.path)
            const constructed = Location.Ref.make({ directory })
            const decoded = Schema.decodeUnknownSync(Location.Ref)({ directory })
@@ -111,9 +111,7 @@ describe("LocationServiceMap", () => {
              }
            }).pipe(
              Effect.scoped,
-              Effect.provide(
-                LocationServiceMap.Service.get(Location.Ref.make({ directory: AbsolutePath.make(directory) })),
-              ),
+              Effect.provide(LocationServiceMap.get(Location.Ref.make({ directory: AbsolutePath.make(directory) }))),
            )

          const blockedState = yield* update(blocked.path)
@@ -193,7 +191,7 @@ describe("LocationServiceMap", () => {
                location,
              }),
            ),
-          ).pipe(Effect.provide(LocationServiceMap.Service.get(location)), Effect.flip)
+          ).pipe(Effect.provide(LocationServiceMap.get(location)), Effect.flip)

          expect(failure).toMatchObject({
            _tag: "SessionRunnerModel.ModelUnavailableError",
@@ -233,7 +231,7 @@ describe("LocationServiceMap", () => {
          })
        }).pipe(
          Effect.scoped,
-          Effect.provide(LocationServiceMap.Service.get(Location.Ref.make({ directory: AbsolutePath.make(dir.path) }))),
+          Effect.provide(LocationServiceMap.get(Location.Ref.make({ directory: AbsolutePath.make(dir.path) }))),
        ),
      ),
    ),
@@ -14,7 +14,7 @@ import { ProjectTable } from "@opencode-ai/core/project/sql"
 import { ProjectDirectories } from "@opencode-ai/core/project/directories"
 import { AbsolutePath } from "@opencode-ai/core/schema"
 import { SessionV2 } from "@opencode-ai/core/session"
-import { locationServiceMapLayer } from "@opencode-ai/core/location-services"
+import { LocationServiceMap } from "@opencode-ai/core/location-layer"
 import { SessionExecution } from "@opencode-ai/core/session/execution"
 import { SessionProjector } from "@opencode-ai/core/session/projector"
 import { SessionTable } from "@opencode-ai/core/session/sql"
@@ -29,7 +29,7 @@ const project = Project.layer.pipe(
  Layer.provide(ProjectDirectories.defaultLayer),
 )
 const sessions = SessionV2.layer.pipe(
-  Layer.provide(locationServiceMapLayer),
+  Layer.provide(LocationServiceMap.layer),
  Layer.provide(Database.defaultLayer),
  Layer.provide(EventV2.defaultLayer),
  Layer.provide(project),
@@ -11,7 +11,7 @@ import { Project } from "@opencode-ai/core/project"
 import { ProjectTable } from "@opencode-ai/core/project/sql"
 import { AbsolutePath } from "@opencode-ai/core/schema"
 import { SessionV2 } from "@opencode-ai/core/session"
-import { locationServiceMapLayer } from "@opencode-ai/core/location-services"
+import { LocationServiceMap } from "@opencode-ai/core/location-layer"
 import { SessionTable } from "@opencode-ai/core/session/sql"
 import { SessionExecution } from "@opencode-ai/core/session/execution"
 import { SessionStore } from "@opencode-ai/core/session/store"
@@ -24,7 +24,7 @@ const current = Layer.succeed(
  Location.Service.of(location({ directory: AbsolutePath.make("/project") })),
 )
 const sessions = SessionV2.layer.pipe(
-  Layer.provide(locationServiceMapLayer),
+  Layer.provide(LocationServiceMap.layer),
  Layer.provide(EventV2.defaultLayer),
  Layer.provide(Database.defaultLayer),
  Layer.provide(SessionStore.defaultLayer),
@@ -13,7 +13,7 @@ import { ProjectTable } from "@opencode-ai/core/project/sql"
 import { ProviderV2 } from "@opencode-ai/core/provider"
 import { AbsolutePath } from "@opencode-ai/core/schema"
 import { SessionV2 } from "@opencode-ai/core/session"
-import { locationServiceMapLayer } from "@opencode-ai/core/location-services"
+import { LocationServiceMap } from "@opencode-ai/core/location-layer"
 import { SessionV1 } from "@opencode-ai/core/v1/session"
 import { Prompt } from "@opencode-ai/core/session/prompt"
 import { SessionProjector } from "@opencode-ai/core/session/projector"
@@ -35,7 +35,7 @@ const projects = Layer.succeed(
  }),
 )
 const sessions = SessionV2.layer.pipe(
-  Layer.provide(locationServiceMapLayer),
+  Layer.provide(LocationServiceMap.layer),
  Layer.provide(EventV2.defaultLayer),
  Layer.provide(Database.defaultLayer),
  Layer.provide(SessionStore.defaultLayer),
@@ -3,7 +3,7 @@ import { Effect, Layer, Schema } from "effect"
 import { Database } from "@opencode-ai/core/database/database"
 import { EventV2 } from "@opencode-ai/core/event"
 import { Location } from "@opencode-ai/core/location"
-import { locationServiceMapLayer } from "@opencode-ai/core/location-services"
+import { LocationServiceMap } from "@opencode-ai/core/location-layer"
 import { ProjectV2 } from "@opencode-ai/core/project"
 import { ProjectTable } from "@opencode-ai/core/project/sql"
 import { AbsolutePath } from "@opencode-ai/core/schema"
@@ -23,7 +23,7 @@ const projects = Layer.succeed(
  }),
 )
 const sessions = SessionV2.layer.pipe(
-  Layer.provide(locationServiceMapLayer),
+  Layer.provide(LocationServiceMap.layer),
  Layer.provide(EventV2.defaultLayer),
  Layer.provide(Database.defaultLayer),
  Layer.provide(SessionStore.defaultLayer),
@@ -10,7 +10,7 @@ import { ProjectTable } from "@opencode-ai/core/project/sql"
 import { ProviderV2 } from "@opencode-ai/core/provider"
 import { AbsolutePath } from "@opencode-ai/core/schema"
 import { SessionV2 } from "@opencode-ai/core/session"
-import { locationServiceMapLayer } from "@opencode-ai/core/location-services"
+import { LocationServiceMap } from "@opencode-ai/core/location-layer"
 import { SessionEvent } from "@opencode-ai/core/session/event"
 import { SessionMessage } from "@opencode-ai/core/session/message"
 import { Prompt } from "@opencode-ai/core/session/prompt"
@@ -164,7 +164,7 @@ describe("SessionProjector", () => {
    }).pipe(
      Effect.provide(
        SessionV2.layer.pipe(
-          Layer.provide(locationServiceMapLayer),
+          Layer.provide(LocationServiceMap.layer),
          Layer.provide(EventV2.defaultLayer),
          Layer.provide(Database.defaultLayer),
          Layer.provide(Project.defaultLayer),
@@ -9,7 +9,7 @@ import { Project } from "@opencode-ai/core/project"
 import { ProjectTable } from "@opencode-ai/core/project/sql"
 import { AbsolutePath } from "@opencode-ai/core/schema"
 import { SessionV2 } from "@opencode-ai/core/session"
-import { locationServiceMapLayer } from "@opencode-ai/core/location-services"
+import { LocationServiceMap } from "@opencode-ai/core/location-layer"
 import { Prompt } from "@opencode-ai/core/session/prompt"
 import { SessionMessage } from "@opencode-ai/core/session/message"
 import { SessionProjector } from "@opencode-ai/core/session/projector"
@@ -42,7 +42,7 @@ const execution = Layer.succeed(
  }),
 )
 const sessions = SessionV2.layer.pipe(
-  Layer.provide(locationServiceMapLayer),
+  Layer.provide(LocationServiceMap.layer),
  Layer.provide(EventV2.defaultLayer),
  Layer.provide(Database.defaultLayer),
  Layer.provide(SessionStore.defaultLayer),
@@ -12,7 +12,7 @@ import { Project } from "@opencode-ai/core/project"
 import { ProjectTable } from "@opencode-ai/core/project/sql"
 import { AbsolutePath } from "@opencode-ai/core/schema"
 import { SessionV2 } from "@opencode-ai/core/session"
-import { locationServiceMapLayer } from "@opencode-ai/core/location-services"
+import { LocationServiceMap } from "@opencode-ai/core/location-layer"
 import { Snapshot } from "@opencode-ai/core/snapshot"
 import { Prompt } from "@opencode-ai/core/session/prompt"
 import { SessionProjector } from "@opencode-ai/core/session/projector"
@@ -103,7 +103,7 @@ const execution = Layer.effect(
  }),
 ).pipe(Layer.provide(runner))
 const sessions = SessionV2.layer.pipe(
-  Layer.provide(locationServiceMapLayer),
+  Layer.provide(LocationServiceMap.layer),
  Layer.provide(EventV2.defaultLayer),
  Layer.provide(Database.defaultLayer),
  Layer.provide(SessionStore.defaultLayer),
@@ -19,7 +19,7 @@ import { ProjectTable } from "@opencode-ai/core/project/sql"
 import { QuestionV2 } from "@opencode-ai/core/question"
 import { AbsolutePath } from "@opencode-ai/core/schema"
 import { SessionV2 } from "@opencode-ai/core/session"
-import { locationServiceMapLayer } from "@opencode-ai/core/location-services"
+import { LocationServiceMap } from "@opencode-ai/core/location-layer"
 import { Snapshot } from "@opencode-ai/core/snapshot"
 import { ContextSnapshotDecodeError } from "@opencode-ai/core/session/error"
 import { SessionEvent } from "@opencode-ai/core/session/event"
@@ -262,7 +262,7 @@ const execution = Layer.effect(
  }),
 ).pipe(Layer.provide(runner))
 const sessions = SessionV2.layer.pipe(
-  Layer.provide(locationServiceMapLayer),
+  Layer.provide(LocationServiceMap.layer),
  Layer.provide(EventV2.defaultLayer),
  Layer.provide(Database.defaultLayer),
  Layer.provide(SessionStore.defaultLayer),
@@ -27,7 +27,7 @@ import * as OtelTracer from "@effect/opentelemetry/Tracer"
 import { AbsolutePath, type DeepMutable } from "@opencode-ai/core/schema"
 import { ProviderV2 } from "@opencode-ai/core/provider"
 import { ModelV2 } from "@opencode-ai/core/model"
-import { LocationServiceMap, locationServiceMapLayer } from "@opencode-ai/core/location-services"
+import { LocationServiceMap } from "@opencode-ai/core/location-layer"
 import { Reference } from "@opencode-ai/core/reference"
 import { Location } from "@opencode-ai/core/location"
 import { PluginV2 } from "@opencode-ai/core/plugin"
@@ -93,7 +93,7 @@ export const layer = Layer.effect(
    const plugin = yield* Plugin.Service
    const skill = yield* Skill.Service
    const provider = yield* Provider.Service
-    const locations = yield* LocationServiceMap.Service
+    const locations = yield* LocationServiceMap

    const state = yield* InstanceState.make<State>(
      Effect.fn("Agent.state")(function* (ctx) {
@@ -444,14 +444,10 @@ export const defaultLayer = layer.pipe(
  Layer.provide(Auth.defaultLayer),
  Layer.provide(Config.defaultLayer),
  Layer.provide(Skill.defaultLayer),
-  Layer.provide(locationServiceMapLayer),
+  Layer.provide(LocationServiceMap.layer),
 )

-const locationServiceMapNode = LayerNode.make({
-  service: LocationServiceMap.Service,
-  layer: locationServiceMapLayer,
-  deps: [],
-})
+const locationServiceMapNode = LayerNode.make({ service: Service, layer: LocationServiceMap.layer, deps: [] })

 export const node = LayerNode.make({
  service: Service,
@@ -1,7 +1,7 @@
 import { EOL } from "os"
 import { Effect } from "effect"
 import { FileSystem } from "@opencode-ai/core/filesystem"
-import { LocationServiceMap, locationServiceMapLayer } from "@opencode-ai/core/location-services"
+import { LocationServiceMap } from "@opencode-ai/core/location-layer"
 import { Location } from "@opencode-ai/core/location"
 import { AbsolutePath, RelativePath } from "@opencode-ai/core/schema"
 import { effectCmd } from "../../effect-cmd"
@@ -9,8 +9,8 @@ import { cmd } from "../cmd"

 const filesystem = <A, E, R>(effect: Effect.Effect<A, E, R>) =>
  effect.pipe(
-    Effect.provide(LocationServiceMap.Service.get(Location.Ref.make({ directory: AbsolutePath.make(process.cwd()) }))),
-    Effect.provide(locationServiceMapLayer),
+    Effect.provide(LocationServiceMap.get(Location.Ref.make({ directory: AbsolutePath.make(process.cwd()) }))),
+    Effect.provide(LocationServiceMap.layer),
  )

 const FileSearchCommand = effectCmd({
@@ -1,7 +1,7 @@
 import { EOL } from "os"
 import { Effect } from "effect"
 import { Catalog } from "@opencode-ai/core/catalog"
-import { LocationServiceMap, locationServiceMapLayer } from "@opencode-ai/core/location-services"
+import { LocationServiceMap } from "@opencode-ai/core/location-layer"
 import { Location } from "@opencode-ai/core/location"
 import { AbsolutePath } from "@opencode-ai/core/schema"
 import { effectCmd } from "../../effect-cmd"
@@ -31,12 +31,12 @@ export const V2Command = effectCmd({
    }).pipe(
      Effect.withSpan("Cli.debug.v2"),
      Effect.provide(
-        LocationServiceMap.Service.get(
+        LocationServiceMap.get(
          Location.Ref.make({
            directory: AbsolutePath.make(process.cwd()),
          }),
        ),
      ),
-      Effect.provide(locationServiceMapLayer),
+      Effect.provide(LocationServiceMap.layer),
    ),
 })
@@ -28,7 +28,7 @@ import { McpAuth } from "./auth"
 import { EventV2Bridge } from "@/event-v2-bridge"
 import { TuiEvent } from "@/server/tui-event"
 import open from "open"
-import { Cause, Effect, Exit, Layer, Context, Schema, Stream } from "effect"
+import { Cause, Effect, Exit, Layer, Option, Context, Schema, Stream } from "effect"
 import { EffectBridge } from "@/effect/bridge"
 import { InstanceState } from "@/effect/instance-state"
 import { ChildProcess, ChildProcessSpawner } from "effect/unstable/process"
@@ -928,17 +928,16 @@ export const layer = Layer.effect(
      const pending = pendingOAuthTransports.get(mcpName)
      if (!pending) throw new Error(`No pending OAuth flow for MCP server: ${mcpName}`)

-      const error = yield* Effect.tryPromise({
-        try: () => pending.transport.finishAuth(authorizationCode),
-        catch: (error) => error,
-      }).pipe(
-        Effect.match({
-          onFailure: (error) => (error instanceof Error ? error.message : String(error)),
-          onSuccess: () => undefined,
-        }),
-      )
+      const result = yield* Effect.tryPromise({
+        try: () => pending.transport.finishAuth(authorizationCode).then(() => true as const),
+        catch: (error) => {
+          return error
+        },
+      }).pipe(Effect.option)

-      if (error) return { status: "failed", error: `OAuth completion failed: ${error}` } satisfies Status
+      if (Option.isNone(result)) {
+        return { status: "failed", error: "OAuth completion failed" } satisfies Status
+      }

      yield* Effect.promise(() => pending.provider?.commit() ?? Promise.resolve())
      yield* auth.clearCodeVerifier(mcpName)
@@ -1,6 +1,6 @@
 import * as InstanceState from "@/effect/instance-state"
 import { FileSystem } from "@opencode-ai/core/filesystem"
-import { LocationServiceMap, locationServiceMapLayer } from "@opencode-ai/core/location-services"
+import { LocationServiceMap } from "@opencode-ai/core/location-layer"
 import { Ripgrep } from "@opencode-ai/core/ripgrep"
 import { FSUtil } from "@opencode-ai/core/fs-util"
 import { Location } from "@opencode-ai/core/location"
@@ -14,7 +14,7 @@ import { InstanceHttpApi } from "../api"
 export const fileHandlers = HttpApiBuilder.group(InstanceHttpApi, "file", (handlers) =>
  Effect.gen(function* () {
    const ripgrep = yield* Ripgrep.Service
-    const locations = yield* LocationServiceMap.Service
+    const locations = yield* LocationServiceMap

    const filesystem = Effect.fnUntraced(function* <A, E, R>(effect: Effect.Effect<A, E, R>) {
      return yield* effect.pipe(
@@ -136,4 +136,4 @@ export const fileHandlers = HttpApiBuilder.group(InstanceHttpApi, "file", (handl
      .handle("content", content)
      .handle("status", status)
  }),
-).pipe(Layer.provide(locationServiceMapLayer))
+).pipe(Layer.provide(LocationServiceMap.layer))
@@ -6,7 +6,7 @@ import { Pty } from "@opencode-ai/core/pty"
 import { PtyProtocol } from "@opencode-ai/core/pty/protocol"
 import { PtyID } from "@opencode-ai/core/pty/schema"
 import { PtyTicket } from "@opencode-ai/core/pty/ticket"
-import { LocationServiceMap, locationServiceMapLayer } from "@opencode-ai/core/location-services"
+import { LocationServiceMap } from "@opencode-ai/core/location-layer"
 import { Location } from "@opencode-ai/core/location"
 import { AbsolutePath } from "@opencode-ai/core/schema"
 import { Shell } from "@opencode-ai/core/shell"
@@ -43,7 +43,7 @@ export const ptyHandlers = HttpApiBuilder.group(InstanceHttpApi, "pty", (handler
    const tickets = yield* PtyTicket.Service
    const cors = yield* CorsConfig
    const plugin = yield* Plugin.Service
-    const locations = yield* LocationServiceMap.Service
+    const locations = yield* LocationServiceMap
    const unregister = registerDisposer((directory) =>
      Effect.runPromise(locations.invalidate(Location.Ref.make({ directory: AbsolutePath.make(directory) }))),
    )
@@ -158,13 +158,13 @@ export const ptyHandlers = HttpApiBuilder.group(InstanceHttpApi, "pty", (handler
      .handle("remove", remove)
      .handle("connectToken", connectToken)
  }),
-).pipe(Layer.provide(locationServiceMapLayer))
+).pipe(Layer.provide(LocationServiceMap.layer))

 export const ptyConnectHandlers = HttpApiBuilder.group(PtyConnectApi, "pty-connect", (handlers) =>
  Effect.gen(function* () {
    const tickets = yield* PtyTicket.Service
    const cors = yield* CorsConfig
-    const locations = yield* LocationServiceMap.Service
+    const locations = yield* LocationServiceMap
    const unregister = registerDisposer((directory) =>
      Effect.runPromise(locations.invalidate(Location.Ref.make({ directory: AbsolutePath.make(directory) }))),
    )
@@ -270,4 +270,4 @@ export const ptyConnectHandlers = HttpApiBuilder.group(PtyConnectApi, "pty-conne
      }),
    )
  }),
-).pipe(Layer.provide(locationServiceMapLayer))
+).pipe(Layer.provide(LocationServiceMap.layer))
@@ -52,19 +52,15 @@ import { RuntimeFlags } from "@/effect/runtime-flags"
 import { MoveSession } from "@opencode-ai/core/control-plane/move-session"
 import { Database } from "@opencode-ai/core/database/database"
 import { LayerNode } from "@opencode-ai/core/effect/layer-node"
-import { LayerNodeTree } from "@opencode-ai/core/effect/layer-node"
 import { httpClient } from "@opencode-ai/core/effect/layer-node-platform"
 import { EventV2 } from "@opencode-ai/core/event"
 import { ModelsDev } from "@opencode-ai/core/models-dev"
 import { Npm } from "@opencode-ai/core/npm"
-import { PermissionSaved } from "@opencode-ai/core/permission/saved"
 import { ProjectV2 } from "@opencode-ai/core/project"
 import { ProjectCopy } from "@opencode-ai/core/project/copy"
 import { PtyTicket } from "@opencode-ai/core/pty/ticket"
 import { Ripgrep } from "@opencode-ai/core/ripgrep"
 import { SessionProjector } from "@opencode-ai/core/session/projector"
-import { SessionV2 } from "@opencode-ai/core/session"
-import * as SessionExecutionLocal from "@opencode-ai/core/session/execution/local"
 import { lazy } from "@/util/lazy"
 import { CorsConfig, isAllowedCorsOrigin, type CorsOptions } from "@opencode-ai/server/cors"
 import { serveUIEffect } from "@/server/shared/ui"
@@ -99,10 +95,6 @@ import { sessionHandlers } from "./handlers/session"
 import { syncHandlers } from "./handlers/sync"
 import { tuiHandlers } from "./handlers/tui"
 import { handlers } from "@opencode-ai/server/handlers"
-import { locationServiceMapLayer } from "@opencode-ai/core/location-services"
-import { layer as locationLayer } from "@opencode-ai/server/location"
-import { sessionLocationLayer } from "@opencode-ai/server/middleware/session-location"
-import { PtyEnvironment } from "@opencode-ai/server/pty-environment"
 import { schemaErrorLayer as v2SchemaErrorLayer } from "@opencode-ai/server/middleware/schema-error"
 import { workspaceHandlers } from "./handlers/workspace"
 import { instanceContextLayer } from "./middleware/instance-context"
@@ -229,7 +221,6 @@ const app = LayerNode.group([
  Discovery.node,
  Question.node,
  Permission.node,
-  PermissionSaved.node,
  Todo.node,
  Session.node,
  SessionProjector.node,
@@ -288,21 +279,9 @@ export function createRoutes(
      MoveSession.defaultLayer,
      HttpServer.layerServices,
    ]),
+    Layer.provide(LayerNode.buildLayer(app)),
    Layer.provide(Layer.succeed(CorsConfig)(corsOptions)),
    Layer.provideMerge(Observability.layer),
-
-    Layer.provide(sessionLocationLayer),
-    Layer.provide(locationLayer),
-    Layer.provide(PtyEnvironment.layer),
-    Layer.provide(
-      SessionV2.defaultLayer.pipe(
-        Layer.provide(SessionExecutionLocal.defaultLayer),
-        Layer.provide(locationServiceMapLayer),
-      ),
-    ),
-    Layer.provide(locationServiceMapLayer),
-
-    Layer.provide(LayerNodeTree.compile(app)),
  )
 }

@@ -36,6 +36,8 @@ import type { SystemError } from "bun"
 import type { Provider } from "@/provider/provider"
 import { Effect, Schema } from "effect"

+export const node = LayerNode.group([Database.node])
+
 /** Error shape thrown by Bun's fetch() when gzip/br decompression fails mid-stream */
 interface FetchDecompressionError extends Error {
  code: "ZlibError"
@@ -731,4 +733,3 @@ export function fromError(
 }

 export * as MessageV2 from "./message-v2"
-export const node = LayerNode.group([Database.node])
@@ -13,7 +13,7 @@ import { makeRuntime } from "@opencode-ai/core/effect/runtime"
 import { EventV2Bridge } from "@/event-v2-bridge"
 import { SessionV2 } from "@opencode-ai/core/session"
 import * as SessionExecutionLocal from "@opencode-ai/core/session/execution/local"
-import { locationServiceMapLayer } from "@opencode-ai/core/location-services"
+import { LocationServiceMap } from "@opencode-ai/core/location-layer"

 import { NotFoundError } from "@/storage/storage"
 import { eq } from "drizzle-orm"
@@ -947,7 +947,7 @@ export const defaultLayer = layer.pipe(
  Layer.provide(
    SessionV2.defaultLayer.pipe(
      Layer.provide(SessionExecutionLocal.defaultLayer),
-      Layer.provide(locationServiceMapLayer),
+      Layer.provide(LocationServiceMap.layer),
    ),
  ),
  Layer.provide(RuntimeFlags.defaultLayer),
@@ -18,7 +18,7 @@ import { Permission } from "@/permission"
 import { Skill } from "@/skill"
 import { AbsolutePath } from "@opencode-ai/core/schema"
 import { Location } from "@opencode-ai/core/location"
-import { LocationServiceMap, locationServiceMapLayer } from "@opencode-ai/core/location-services"
+import { LocationServiceMap } from "@opencode-ai/core/location-layer"
 import { Reference } from "@opencode-ai/core/reference"
 import { MCP } from "@/mcp"
 import { PermissionV1 } from "@opencode-ai/core/v1/permission"
@@ -52,7 +52,7 @@ export const layer = Layer.effect(
  Effect.gen(function* () {
    const skill = yield* Skill.Service
    const mcp = yield* MCP.Service
-    const locations = yield* LocationServiceMap.Service
+    const locations = yield* LocationServiceMap

    return Service.of({
      environment: Effect.fn("SystemPrompt.environment")(function* (model: Provider.Model) {
@@ -131,14 +131,10 @@ export const layer = Layer.effect(
 export const defaultLayer = layer.pipe(
  Layer.provide(Skill.defaultLayer),
  Layer.provide(MCP.defaultLayer),
-  Layer.provide(locationServiceMapLayer),
+  Layer.provide(LocationServiceMap.layer),
 )

-const locationServiceMapNode = LayerNode.make({
-  service: LocationServiceMap.Service,
-  layer: locationServiceMapLayer,
-  deps: [],
-})
+const locationServiceMapNode = LayerNode.make({ service: Service, layer: LocationServiceMap.layer, deps: [] })

 export const node = LayerNode.make({
  service: Service,
@@ -14,7 +14,7 @@ import { Plugin } from "../../src/plugin"
 import { Provider } from "../../src/provider/provider"
 import { Skill } from "../../src/skill"
 import { Truncate } from "../../src/tool/truncate"
-import { LocationServiceMap, locationServiceMapLayer } from "@opencode-ai/core/location-services"
+import { LocationServiceMap } from "@opencode-ai/core/location-layer"

 const agentLayer = (flags: Partial<RuntimeFlags.Info> = {}) =>
  Agent.layer.pipe(
@@ -23,7 +23,7 @@ const agentLayer = (flags: Partial<RuntimeFlags.Info> = {}) =>
    Layer.provide(Auth.defaultLayer),
    Layer.provide(Config.defaultLayer),
    Layer.provide(Skill.defaultLayer),
-    Layer.provide(locationServiceMapLayer),
+    Layer.provide(LocationServiceMap.layer),
    Layer.provide(RuntimeFlags.layer(flags)),
  )

@@ -1,6 +1,6 @@
 import { expect } from "bun:test"
 import { FSUtil } from "@opencode-ai/core/fs-util"
-import { LocationServiceMap, locationServiceMapLayer } from "@opencode-ai/core/location-services"
+import { LocationServiceMap } from "@opencode-ai/core/location-layer"
 import { Effect, Layer } from "effect"
 import { FetchHttpClient } from "effect/unstable/http"
 import path from "path"
@@ -44,7 +44,7 @@ const agentLayer = Agent.layer.pipe(
  Layer.provide(SkillTest.empty),
  Layer.provide(provider.layer),
  Layer.provide(pluginLayer),
-  Layer.provide(locationServiceMapLayer),
+  Layer.provide(LocationServiceMap.layer),
  Layer.provide(RuntimeFlags.layer({ disableDefaultPlugins: true })),
 )

--- a/Show More
+++ b/Show More