revert(session): remove threaded status context

packages/opencode/src/session/processor.ts

@@ -57,7 +57,6 @@ type Input = {
   assistantMessage: SessionLegacy.Assistant
   sessionID: SessionID
   model: Provider.Model
-  statusContext?: SessionStatus.SetContext
 }
 
 export interface Interface {
@@ -778,7 +777,7 @@ export const layer = Layer.effect(
           sessionID: ctx.assistantMessage.sessionID,
           error: ctx.assistantMessage.error,
         })
-        yield* status.set(ctx.sessionID, { type: "idle" }, ctx.statusContext)
+        yield* status.set(ctx.sessionID, { type: "idle" })
       })
 
       const process = Effect.fn("SessionProcessor.process")(function* (streamInput: LLM.StreamInput) {
@@ -790,7 +789,7 @@ export const layer = Layer.effect(
           yield* Effect.gen(function* () {
             ctx.currentText = undefined
             ctx.reasoningMap = {}
-            yield* status.set(ctx.sessionID, { type: "busy" }, ctx.statusContext)
+            yield* status.set(ctx.sessionID, { type: "busy" })
             const stream = llm.stream(streamInput)
 
             yield* stream.pipe(
@@ -830,17 +829,13 @@ export const layer = Layer.effect(
                     : Effect.void
                   return event.pipe(
                     Effect.andThen(
-                      status.set(
-                        ctx.sessionID,
-                        {
-                          type: "retry",
-                          attempt: info.attempt,
-                          message: info.message,
-                          action: info.action,
-                          next: info.next,
-                        },
-                        ctx.statusContext,
-                      ),
+                      status.set(ctx.sessionID, {
+                        type: "retry",
+                        attempt: info.attempt,
+                        message: info.message,
+                        action: info.action,
+                        next: info.next,
+                      }),
                     ),
                   )
                 },

packages/opencode/src/session/prompt.ts

@@ -140,8 +140,7 @@ export const layer = Layer.effect(
 
     const cancel = Effect.fn("SessionPrompt.cancel")(function* (sessionID: SessionID) {
       yield* elog.info("cancel", { sessionID })
-      const session = yield* sessions.get(sessionID).pipe(Effect.catchCause(() => Effect.succeed(undefined)))
-      yield* state.cancel(sessionID, session?.parentID ? { parentID: session.parentID } : undefined)
+      yield* state.cancel(sessionID)
     })
 
     const resolvePromptParts = Effect.fn("SessionPrompt.resolvePromptParts")(function* (template: string) {
@@ -1252,10 +1251,9 @@ export const layer = Layer.effect(
         let structured: unknown
         let step = 0
         const session = yield* sessions.get(sessionID).pipe(Effect.orDie)
-        const statusContext = session.parentID ? { parentID: session.parentID } : {}
 
         while (true) {
-          yield* status.set(sessionID, { type: "busy" }, statusContext)
+          yield* status.set(sessionID, { type: "busy" })
           yield* slog.info("loop", { step })
 
           let msgs = yield* MessageV2.filterCompactedEffect(sessionID).pipe(
@@ -1383,7 +1381,6 @@ export const layer = Layer.effect(
               assistantMessage: msg,
               sessionID,
               model,
-              statusContext,
             })
             .pipe(Effect.onInterrupt(() => finalizeInterruptedAssistant))
 
@@ -1507,13 +1504,7 @@ export const layer = Layer.effect(
 
     const loop: (input: LoopInput) => Effect.Effect<SessionLegacy.WithParts> = Effect.fn("SessionPrompt.loop")(
       function* (input: LoopInput) {
-        const session = yield* sessions.get(input.sessionID).pipe(Effect.orDie)
-        return yield* state.ensureRunning(
-          input.sessionID,
-          session.parentID ? { parentID: session.parentID } : {},
-          lastAssistant(input.sessionID),
-          runLoop(input.sessionID),
-        )
+        return yield* state.ensureRunning(input.sessionID, lastAssistant(input.sessionID), runLoop(input.sessionID))
       },
     )
 
@@ -1521,14 +1512,7 @@ export const layer = Layer.effect(
       "SessionPrompt.shell",
     )(function* (input: ShellInput) {
       const ready = yield* Latch.make()
-      const session = yield* sessions.get(input.sessionID).pipe(Effect.orDie)
-      return yield* state.startShell(
-        input.sessionID,
-        session.parentID ? { parentID: session.parentID } : {},
-        lastAssistant(input.sessionID),
-        shellImpl(input, ready),
-        ready,
-      )
+      return yield* state.startShell(input.sessionID, lastAssistant(input.sessionID), shellImpl(input, ready), ready)
     })
 
     const command = Effect.fn("SessionPrompt.command")(function* (input: CommandInput) {

packages/opencode/src/session/run-state.ts

@@ -10,16 +10,14 @@ import { SessionStatus } from "./status"
 
 export interface Interface {
   readonly assertNotBusy: (sessionID: SessionID) => Effect.Effect<void, Session.BusyError>
-  readonly cancel: (sessionID: SessionID, statusContext?: SessionStatus.SetContext) => Effect.Effect<void>
+  readonly cancel: (sessionID: SessionID) => Effect.Effect<void>
   readonly ensureRunning: (
     sessionID: SessionID,
-    statusContext: SessionStatus.SetContext,
     onInterrupt: Effect.Effect<SessionLegacy.WithParts>,
     work: Effect.Effect<SessionLegacy.WithParts>,
   ) => Effect.Effect<SessionLegacy.WithParts>
   readonly startShell: (
     sessionID: SessionID,
-    statusContext: SessionStatus.SetContext,
     onInterrupt: Effect.Effect<SessionLegacy.WithParts>,
     work: Effect.Effect<SessionLegacy.WithParts>,
     ready?: Latch.Latch,
@@ -53,7 +51,6 @@ export const layer = Layer.effect(
 
     const runner = Effect.fn("SessionRunState.runner")(function* (
       sessionID: SessionID,
-      statusContext: SessionStatus.SetContext,
       onInterrupt: Effect.Effect<SessionLegacy.WithParts>,
     ) {
       const data = yield* InstanceState.get(state)
@@ -62,9 +59,9 @@ export const layer = Layer.effect(
       const next = Runner.make<SessionLegacy.WithParts>(data.scope, {
         onIdle: Effect.gen(function* () {
           data.runners.delete(sessionID)
-          yield* status.set(sessionID, { type: "idle" }, statusContext)
+          yield* status.set(sessionID, { type: "idle" })
         }),
-        onBusy: status.set(sessionID, { type: "busy" }, statusContext),
+        onBusy: status.set(sessionID, { type: "busy" }),
         onInterrupt,
       })
       data.runners.set(sessionID, next)
@@ -77,15 +74,12 @@ export const layer = Layer.effect(
       if (existing?.busy) yield* busyError(sessionID)
     })
 
-    const cancel = Effect.fn("SessionRunState.cancel")(function* (
-      sessionID: SessionID,
-      statusContext?: SessionStatus.SetContext,
-    ) {
+    const cancel = Effect.fn("SessionRunState.cancel")(function* (sessionID: SessionID) {
       yield* cancelBackgroundJobs(background, sessionID)
       const data = yield* InstanceState.get(state)
       const existing = data.runners.get(sessionID)
       if (!existing || !existing.busy) {
-        yield* status.set(sessionID, { type: "idle" }, statusContext)
+        yield* status.set(sessionID, { type: "idle" })
         return
       }
       yield* existing.cancel
@@ -93,21 +87,19 @@ export const layer = Layer.effect(
 
     const ensureRunning = Effect.fn("SessionRunState.ensureRunning")(function* (
       sessionID: SessionID,
-      statusContext: SessionStatus.SetContext,
       onInterrupt: Effect.Effect<SessionLegacy.WithParts>,
       work: Effect.Effect<SessionLegacy.WithParts>,
     ) {
-      return yield* (yield* runner(sessionID, statusContext, onInterrupt)).ensureRunning(work)
+      return yield* (yield* runner(sessionID, onInterrupt)).ensureRunning(work)
     })
 
     const startShell = Effect.fn("SessionRunState.startShell")(function* (
       sessionID: SessionID,
-      statusContext: SessionStatus.SetContext,
       onInterrupt: Effect.Effect<SessionLegacy.WithParts>,
       work: Effect.Effect<SessionLegacy.WithParts>,
       ready?: Latch.Latch,
     ) {
-      return yield* (yield* runner(sessionID, statusContext, onInterrupt))
+      return yield* (yield* runner(sessionID, onInterrupt))
         .startShell(work, ready)
         .pipe(Effect.catchTag("RunnerBusy", () => Effect.fail(busyError(sessionID))))
     })

packages/opencode/src/session/status.ts

@@ -31,18 +31,12 @@ export const Info = Schema.Union([
 ]).annotate({ identifier: "SessionStatus" })
 export type Info = Schema.Schema.Type<typeof Info>
 
-export const SetContext = Schema.Struct({
-  parentID: Schema.optional(SessionID),
-})
-export type SetContext = Schema.Schema.Type<typeof SetContext>
-
 export const Event = {
   Status: EventV2.define({
     type: "session.status",
     schema: {
       sessionID: SessionID,
       status: Info,
-      parentID: Schema.optional(SessionID),
     },
   }),
   // deprecated
@@ -57,7 +51,7 @@ export const Event = {
 export interface Interface {
   readonly get: (sessionID: SessionID) => Effect.Effect<Info>
   readonly list: () => Effect.Effect<Map<SessionID, Info>>
-  readonly set: (sessionID: SessionID, status: Info, context?: SetContext) => Effect.Effect<void>
+  readonly set: (sessionID: SessionID, status: Info) => Effect.Effect<void>
 }
 
 export class Service extends Context.Service<Service, Interface>()("@opencode/SessionStatus") {}
@@ -80,13 +74,9 @@ export const layer = Layer.effect(
       return new Map(yield* InstanceState.get(state))
     })
 
-    const set = Effect.fn("SessionStatus.set")(function* (sessionID: SessionID, status: Info, context?: SetContext) {
+    const set = Effect.fn("SessionStatus.set")(function* (sessionID: SessionID, status: Info) {
       const data = yield* InstanceState.get(state)
-      yield* events.publish(Event.Status, {
-        sessionID,
-        status,
-        ...(context?.parentID ? { parentID: context.parentID } : {}),
-      })
+      yield* events.publish(Event.Status, { sessionID, status })
       if (status.type === "idle") {
         yield* events.publish(Event.Idle, { sessionID })
         data.delete(sessionID)

packages/opencode/test/session/prompt.test.ts

@@ -867,40 +867,6 @@ it.instance(
   3_000,
 )
 
-it.instance(
-  "loop includes parentID on child session status events",
-  () =>
-    Effect.gen(function* () {
-      const { llm } = yield* useServerConfig(providerCfg)
-      const prompt = yield* SessionPrompt.Service
-      const sessions = yield* Session.Service
-      const events = yield* EventV2Bridge.Service
-      const ready = yield* Deferred.make<void>()
-
-      yield* llm.hang
-
-      const parent = yield* sessions.create({})
-      const child = yield* sessions.create({ parentID: parent.id })
-      yield* user(child.id, "hi")
-
-      const off = yield* events.listen((evt) => {
-        if (evt.type !== SessionStatus.Event.Status.type) return Effect.void
-        const data = evt.data as typeof SessionStatus.Event.Status.data.Type
-        if (data.sessionID !== child.id || data.status.type !== "busy") return Effect.void
-        if (data.parentID !== parent.id) return Effect.void
-        Deferred.doneUnsafe(ready, Effect.void)
-        return Effect.void
-      })
-      yield* Effect.addFinalizer(() => off)
-
-      const fiber = yield* prompt.loop({ sessionID: child.id }).pipe(Effect.forkChild)
-      yield* Deferred.await(ready).pipe(Effect.timeout("2 seconds"))
-      yield* prompt.cancel(child.id)
-      yield* Fiber.await(fiber)
-    }),
-  3_000,
-)
-
 // Cancel semantics
 
 it.instance(

packages/sdk/js/src/v2/gen/types.gen.ts

@@ -1188,7 +1188,6 @@ export type GlobalEvent = {
         properties: {
           sessionID: string
           status: SessionStatus
-          parentID?: string
         }
       }
     | {
@@ -4276,7 +4275,6 @@ export type EventSessionStatus = {
   properties: {
     sessionID: string
     status: SessionStatus
-    parentID?: string
   }
 }