fix(core): remove session import cycle

packages/core/src/effect/layer-node.ts

@@ -74,7 +74,7 @@ type MakeInput<
   T extends Tag | undefined = undefined,
 > = NodeIdentity & {
   readonly layer: Implementation
-  readonly deps: (Items | (() => Items)) & CheckDependencies<Implementation, NoInfer<Items>>
+  readonly deps: Items & CheckDependencies<Implementation, NoInfer<Items>>
   readonly tag?: T
 }
 
@@ -90,9 +90,7 @@ export function make<
     name: input.service !== undefined ? input.service.key : input.name,
     service: input.service,
     implementation: input.layer,
-    get dependencies() {
-      return typeof input.deps === "function" ? input.deps() : input.deps
-    },
+    dependencies: input.deps,
     tag: input.tag,
   }
 }

packages/core/src/permission.ts

@@ -6,7 +6,8 @@ import { Permission } from "@opencode-ai/schema/permission"
 import { EventV2 } from "./event"
 import { Location } from "./location"
 import { AgentV2 } from "./agent"
-import { SessionV2 } from "./session"
+import { SessionErrors } from "./session/error"
+import { SessionSchema } from "./session/schema"
 import { SessionStore } from "./session/store"
 import { Wildcard } from "./util/wildcard"
 import { PermissionSaved } from "./permission/saved"
@@ -98,11 +99,11 @@ export function merge(...rulesets: Permission.Ruleset[]): Permission.Ruleset {
 }
 
 export interface Interface {
-  readonly ask: (input: AssertInput) => Effect.Effect<AskResult, SessionV2.NotFoundError>
-  readonly assert: (input: AssertInput) => Effect.Effect<void, Error | SessionV2.NotFoundError>
+  readonly ask: (input: AssertInput) => Effect.Effect<AskResult, SessionErrors.NotFoundError>
+  readonly assert: (input: AssertInput) => Effect.Effect<void, Error | SessionErrors.NotFoundError>
   readonly reply: (input: ReplyInput) => Effect.Effect<void, NotFoundError>
   readonly get: (id: ID) => Effect.Effect<Request | undefined>
-  readonly forSession: (sessionID: SessionV2.ID) => Effect.Effect<ReadonlyArray<Request>>
+  readonly forSession: (sessionID: SessionSchema.ID) => Effect.Effect<ReadonlyArray<Request>>
   readonly list: () => Effect.Effect<ReadonlyArray<Request>>
 }
 
@@ -142,9 +143,12 @@ const layer = Layer.effect(
       )
     })
 
-    const configured = Effect.fn("PermissionV2.configured")(function* (sessionID: SessionV2.ID, agentID?: AgentV2.ID) {
+    const configured = Effect.fn("PermissionV2.configured")(function* (
+      sessionID: SessionSchema.ID,
+      agentID?: AgentV2.ID,
+    ) {
       const session = yield* sessions.get(sessionID)
-      if (!session) return yield* new SessionV2.NotFoundError({ sessionID })
+      if (!session) return yield* new SessionErrors.NotFoundError({ sessionID })
       const agent = yield* agents.resolve(agentID ?? session.agent)
       return agent?.permissions ?? missingAgentPermissions
     })
@@ -301,7 +305,7 @@ const layer = Layer.effect(
       return pending.get(id)?.request
     })
 
-    const forSession = Effect.fn("PermissionV2.forSession")(function* (sessionID: SessionV2.ID) {
+    const forSession = Effect.fn("PermissionV2.forSession")(function* (sessionID: SessionSchema.ID) {
       return Array.from(pending.values(), (item) => item.request).filter((request) => request.sessionID === sessionID)
     })
 

packages/core/src/session.ts

@@ -28,9 +28,9 @@ import { fromRow } from "./session/info"
 import { SessionRunner } from "./session/runner/index"
 import { SessionStore } from "./session/store"
 import { SessionExecution } from "./session/execution"
+import { MessageDecodeError, NotFoundError } from "./session/error"
 import { makeGlobalNode } from "./effect/app-node"
 import { LocationServiceMap } from "./location-service-map"
-import { MessageDecodeError } from "./session/error"
 import { SessionEvent } from "./session/event"
 import { SessionPending } from "./session/pending"
 import { SessionGenerate } from "./session/generate"
@@ -108,18 +108,14 @@ type ForkInput = {
   messageID?: SessionMessage.ID
 }
 
-export class NotFoundError extends Schema.TaggedErrorClass<NotFoundError>()("Session.NotFoundError", {
-  sessionID: SessionSchema.ID,
-}) {}
-
 export class OperationUnavailableError extends Schema.TaggedErrorClass<OperationUnavailableError>()(
   "Session.OperationUnavailableError",
   {
     operation: Schema.Literals(["move", "skill", "switchAgent", "compact"]),
   },
 ) {}
 
-export { MessageDecodeError } from "./session/error"
+export { MessageDecodeError, NotFoundError }
 
 export class PromptConflictError extends Schema.TaggedErrorClass<PromptConflictError>()("Session.PromptConflictError", {
   sessionID: SessionSchema.ID,
@@ -1033,8 +1029,7 @@ const SHELL_MAX_CAPTURE_BYTES = 1024 * 1024
 export const node = makeGlobalNode({
   service: Service,
   layer: layer.pipe(Layer.orDie),
-  // Defer the execution node across the Session/runner module cycle until the graph is compiled.
-  deps: () => [
+  deps: [
     Job.node,
     Database.node,
     EventV2.node,

packages/core/src/session/error.ts

@@ -1,9 +1,15 @@
+export * as SessionErrors from "./error"
+
 import { Schema } from "effect"
 import { Agent } from "@opencode-ai/schema/agent"
 import { SessionMessage } from "./message"
 import { SessionSchema } from "./schema"
 import { SessionError } from "@opencode-ai/schema/session-error"
 
+export class NotFoundError extends Schema.TaggedErrorClass<NotFoundError>()("Session.NotFoundError", {
+  sessionID: SessionSchema.ID,
+}) {}
+
 export class MessageDecodeError extends Schema.TaggedErrorClass<MessageDecodeError>()("Session.MessageDecodeError", {
   sessionID: SessionSchema.ID,
   messageID: SessionMessage.ID,

packages/core/test/effect/layer-node/layer-node-types.test.ts

@@ -32,7 +32,6 @@ 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] })
-make({ service: B, layer: bLayer, deps: () => [a] })
 const inputA = LayerNode.unbound(A, tags.values.app)
 const inputDependent = make({ service: B, layer: bLayer, deps: [inputA] })
 
@@ -47,9 +46,6 @@ make({ service: A, name: "a", layer: aLayer, deps: [] })
 // @ts-expect-error B requires A
 make({ service: B, layer: bLayer, deps: [] })
 
-// @ts-expect-error Lazy dependencies must still provide A
-make({ service: B, layer: bLayer, deps: () => [] })
-
 // @ts-expect-error C requires A and B
 make({ service: C, layer: cLayer, deps: [a] })
 

packages/core/test/effect/layer-node/layer-node.test.ts

@@ -37,12 +37,6 @@ describe("layer node", () => {
     expect(await Effect.runPromise(program)).toBe("hello production")
   })
 
-  test("resolves lazy dependencies when compiling", async () => {
-    const greeting = make({ service: Greeting, layer: greetingLayer, deps: () => [value] })
-    const program = Effect.map(Greeting, (item) => item.value).pipe(Effect.provide(build(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