refactor(core): simplify interrupt continuation

.changeset/steer-resume-simplified.md

@@ -0,0 +1,5 @@
+---
+"@opencode-ai/core": patch
+---
+
+Simplify interrupt continuation: the steer-scoped resume decision now lives in SessionExecution as a post-cleanup inbox check, and the run coordinator drops its continuation state machine. Wakes arriving during cancellation cleanup now restart a normal full drain, and interrupting an idle session with continue now resumes pending steering input.

packages/client/src/effect/api/api.ts

@@ -383,15 +383,6 @@ export type Endpoint5_31Output =
           readonly location?: Location.Ref | undefined
           readonly data: { readonly sessionID: Session.ID; readonly title: string }
         }
-      | {
-          readonly id: Event.ID
-          readonly created: DateTime.Utc
-          readonly metadata?: { readonly [x: string]: unknown } | undefined
-          readonly type: "session.viewed"
-          readonly durable: { readonly aggregateID: string; readonly seq: Event.Seq; readonly version: Event.Version }
-          readonly location?: Location.Ref | undefined
-          readonly data: { readonly sessionID: Session.ID }
-        }
       | {
           readonly id: Event.ID
           readonly created: DateTime.Utc
@@ -924,10 +915,6 @@ export type Endpoint5_34Input = { readonly sessionID: Session.ID; readonly messa
 export type Endpoint5_34Output = SessionMessage.Info
 export type SessionMessageOperation<E = never> = (input: Endpoint5_34Input) => Effect.Effect<Endpoint5_34Output, E>
 
-export type Endpoint5_35Input = { readonly sessionID: Session.ID }
-export type Endpoint5_35Output = void
-export type SessionViewOperation<E = never> = (input: Endpoint5_35Input) => Effect.Effect<Endpoint5_35Output, E>
-
 export interface SessionApi<E = never> {
   readonly list: SessionListOperation<E>
   readonly create: SessionCreateOperation<E>
@@ -972,7 +959,6 @@ export interface SessionApi<E = never> {
   readonly interrupt: SessionInterruptOperation<E>
   readonly background: SessionBackgroundOperation<E>
   readonly message: SessionMessageOperation<E>
-  readonly view: SessionViewOperation<E>
 }
 
 export type Endpoint6_0Input = {

packages/client/src/effect/generated/client.ts

@@ -86,8 +86,6 @@ import type {
   Endpoint5_33Output,
   Endpoint5_34Input,
   Endpoint5_34Output,
-  Endpoint5_35Input,
-  Endpoint5_35Output,
   Endpoint6_0Input,
   Endpoint6_0Output,
   Endpoint7_0Input,
@@ -612,11 +610,6 @@ const Endpoint5_34 = (raw: RawClient["server.session"]) => (input: Endpoint5_34I
     ),
   )
 
-const Endpoint5_35 = (raw: RawClient["server.session"]) => (input: Endpoint5_35Input) =>
-  preserveEffect<Endpoint5_35Output>()(
-    raw["session.view"]({ params: { sessionID: input["sessionID"] } }).pipe(Effect.mapError(mapClientError)),
-  )
-
 const adaptGroup5 = (raw: RawClient["server.session"]) => ({
   list: Endpoint5_0(raw),
   create: Endpoint5_1(raw),
@@ -646,7 +639,6 @@ const adaptGroup5 = (raw: RawClient["server.session"]) => ({
   interrupt: Endpoint5_32(raw),
   background: Endpoint5_33(raw),
   message: Endpoint5_34(raw),
-  view: Endpoint5_35(raw),
 })
 
 const Endpoint6_0 = (raw: RawClient["server.message"]) => (input: Endpoint6_0Input) =>

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

@@ -80,8 +80,6 @@ import type {
   SessionBackgroundOutput,
   SessionMessageInput,
   SessionMessageOutput,
-  SessionViewInput,
-  SessionViewOutput,
   MessageListInput,
   MessageListOutput,
   ModelListInput,
@@ -898,17 +896,6 @@ export function make(options: ClientOptions) {
           },
           requestOptions,
         ).then((value) => value.data),
-      view: (input: SessionViewInput, requestOptions?: RequestOptions) =>
-        request<SessionViewOutput>(
-          {
-            method: "POST",
-            path: `/api/session/${encodeURIComponent(input.sessionID)}/view`,
-            successStatus: 204,
-            declaredStatuses: [404, 401, 400],
-            empty: true,
-          },
-          requestOptions,
-        ),
     },
     message: {
       list: (input: MessageListInput, requestOptions?: RequestOptions) =>

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

@@ -479,16 +479,6 @@ export type SessionRenamed = {
   data: { sessionID: string; title: string }
 }
 
-export type SessionViewed = {
-  id: string
-  created: number
-  metadata?: { [x: string]: any }
-  type: "session.viewed"
-  durable: { aggregateID: string; seq: number; version: 1 }
-  location?: LocationRef
-  data: { sessionID: string }
-}
-
 export type SessionDeleted = {
   id: string
   created: number
@@ -1520,7 +1510,7 @@ export type SessionInfo = {
   model?: ModelRef
   cost: MoneyUSD
   tokens: TokenUsageInfo
-  time: { created: number; updated: number; idle?: number; viewed?: number; archived?: number }
+  time: { created: number; updated: number; archived?: number }
   title?: string
   location: LocationRef
   subpath?: string
@@ -1933,7 +1923,6 @@ export type SessionEventDurable =
   | SessionModelSelected
   | SessionMoved
   | SessionRenamed
-  | SessionViewed
   | SessionDeleted
   | SessionForked
   | SessionInboxDelivered
@@ -2024,7 +2013,6 @@ export type V2Event =
   | SessionModelSelected
   | SessionMoved
   | SessionRenamed
-  | SessionViewed
   | SessionUsageUpdated
   | SessionDeleted
   | SessionForked
@@ -2488,13 +2476,7 @@ export type SessionImportInput = {
         readonly reasoning: number
         readonly cache: { readonly read: number; readonly write: number }
       }
-      readonly time: {
+      readonly time: { readonly created: number; readonly updated: number; readonly archived?: number }
-        readonly created: number
-        readonly updated: number
-        readonly idle?: number
-        readonly viewed?: number
-        readonly archived?: number
-      }
       readonly title?: string
       readonly location: { readonly directory: string; readonly workspaceID?: string }
       readonly subpath?: string
@@ -2761,13 +2743,7 @@ export type SessionImportInput = {
         readonly reasoning: number
         readonly cache: { readonly read: number; readonly write: number }
       }
-      readonly time: {
+      readonly time: { readonly created: number; readonly updated: number; readonly archived?: number }
-        readonly created: number
-        readonly updated: number
-        readonly idle?: number
-        readonly viewed?: number
-        readonly archived?: number
-      }
       readonly title?: string
       readonly location: { readonly directory: string; readonly workspaceID?: string }
       readonly subpath?: string
@@ -3034,13 +3010,7 @@ export type SessionImportInput = {
         readonly reasoning: number
         readonly cache: { readonly read: number; readonly write: number }
       }
-      readonly time: {
+      readonly time: { readonly created: number; readonly updated: number; readonly archived?: number }
-        readonly created: number
-        readonly updated: number
-        readonly idle?: number
-        readonly viewed?: number
-        readonly archived?: number
-      }
       readonly title?: string
       readonly location: { readonly directory: string; readonly workspaceID?: string }
       readonly subpath?: string
@@ -3966,10 +3936,6 @@ export type SessionMessageInput = {
 
 export type SessionMessageOutput = { data: SessionMessageInfo }["data"]
 
-export type SessionViewInput = { readonly sessionID: { readonly sessionID: string }["sessionID"] }
-
-export type SessionViewOutput = void
-
 export type MessageListInput = {
   readonly sessionID: { readonly sessionID: string }["sessionID"]
   readonly limit?: {

packages/client/test/effect.test.ts

@@ -136,10 +136,8 @@ test("event.subscribe terminates on Effect protocol decode failures", async () =
 
 test("session methods retain decoded Effect inputs and outputs", async () => {
   const logQueries: Array<Record<string, string>> = []
-  const requests: Array<{ method: string; url: string }> = []
   const httpClient = HttpClient.make((request) => {
     const url = request.url
-    requests.push({ method: request.method, url })
     if (url.includes("/log")) {
       logQueries.push(Object.fromEntries(request.urlParams.params))
       return Effect.succeed(
@@ -185,7 +183,6 @@ test("session methods retain decoded Effect inputs and outputs", async () => {
     const created = yield* client.session.create({
       location: Location.Ref.make({ directory: AbsolutePath.make("/tmp/project") }),
     })
-    yield* client.session.view({ sessionID: Session.ID.make("ses_test") })
     yield* client.session.switchAgent({ sessionID: Session.ID.make("ses_test"), agent: Agent.ID.make("build") })
     yield* client.session.switchModel({
       sessionID: Session.ID.make("ses_test"),
@@ -210,11 +207,7 @@ test("session methods retain decoded Effect inputs and outputs", async () => {
     return { page, active, created, admitted, context, log, message }
   }).pipe(Effect.provideService(HttpClient.HttpClient, httpClient), Effect.runPromise)
 
-  const listed = result.page.data[0]
+  expect(DateTime.toEpochMillis(result.page.data[0].time.created)).toBe(1_717_171_717_000)
-  if (!listed?.time.idle || !listed.time.viewed) throw new Error("Expected attention times")
-  expect(DateTime.toEpochMillis(listed.time.created)).toBe(1_717_171_717_000)
-  expect(DateTime.toEpochMillis(listed.time.idle)).toBe(1_717_171_717_002)
-  expect(DateTime.toEpochMillis(listed.time.viewed)).toBe(1_717_171_717_001)
   expect(result.active).toEqual({ ses_test: { type: "running" } })
   expect(Object.getPrototypeOf(result.page.data[0])).toBe(Object.prototype)
   expect(Object.getPrototypeOf(result.created)).toBe(Object.prototype)
@@ -224,7 +217,6 @@ test("session methods retain decoded Effect inputs and outputs", async () => {
   expect(DateTime.toEpochMillis(result.admitted.timeCreated)).toBe(1_717_171_717_000)
   expect(result.context).toEqual([])
   expect(logQueries[0]).toEqual({ after: "0" })
-  expect(requests).toContainEqual({ method: "POST", url: "http://localhost:3000/api/session/ses_test/view" })
   const logged = Array.from(result.log)
   expect(logged.map((item) => item.type)).toEqual(["session.model.selected", "log.synced"])
   expect(logged[0]?.type === "session.model.selected" && DateTime.toEpochMillis(logged[0].created)).toBe(
@@ -268,8 +260,6 @@ const session = {
     time: {
       created: 1_717_171_717_000,
       updated: 1_717_171_717_000,
-      idle: 1_717_171_717_002,
-      viewed: 1_717_171_717_001,
     },
     title: "Test",
     location: { directory: "/tmp/project" },

packages/client/test/promise.test.ts

@@ -539,7 +539,6 @@ test("session methods use the public HTTP contract", async () => {
   const page = await client.session.list({ limit: 10, order: "desc", parentID: null })
   const active = await client.session.active()
   const created = await client.session.create({ location: { directory: "/tmp/project" } })
-  await client.session.view({ sessionID: "ses_test" })
   await client.session.switchAgent({ sessionID: "ses_test", agent: "build" })
   await client.session.switchModel({
     sessionID: "ses_test",
@@ -566,7 +565,6 @@ test("session methods use the public HTTP contract", async () => {
   const message = await client.session.message({ sessionID: "ses_test", messageID: "msg_model" })
 
   expect(page.cursor.next).toBe("next")
-  expect(page.data[0].time).toMatchObject({ idle: 1_717_171_717_002, viewed: 1_717_171_717_001 })
   expect(active).toEqual({ ses_test: { type: "running" } })
   expect(created.id).toBe("ses_test")
   expect(admitted.id).toBe("msg_test")
@@ -579,7 +577,6 @@ test("session methods use the public HTTP contract", async () => {
     ["GET", "http://localhost:3000/api/session?limit=10&order=desc&parentID=null"],
     ["GET", "http://localhost:3000/api/session/active"],
     ["POST", "http://localhost:3000/api/session"],
-    ["POST", "http://localhost:3000/api/session/ses_test/view"],
     ["POST", "http://localhost:3000/api/session/ses_test/agent"],
     ["POST", "http://localhost:3000/api/session/ses_test/model"],
     ["POST", "http://localhost:3000/api/session/ses_test/prompt"],
@@ -654,8 +651,6 @@ const session = {
     time: {
       created: 1_717_171_717_000,
       updated: 1_717_171_717_000,
-      idle: 1_717_171_717_002,
-      viewed: 1_717_171_717_001,
     },
     title: "Test",
     location: { directory: "/tmp/project" },

packages/core/schema.json

@@ -1,10 +1,8 @@
 {
   "version": "7",
   "dialect": "sqlite",
-  "id": "94b6c496-ad84-426f-9d5d-3e1ac3ebfb56",
+  "id": "dcde8e6b-4bf4-4f6b-b2be-4030c2c3e936",
-  "prevIds": [
+  "prevIds": ["5c1aa56b-c3ee-4283-9a84-c0bf626dc604"],
-    "dcde8e6b-4bf4-4f6b-b2be-4030c2c3e936"
-  ],
   "ddl": [
     {
       "name": "account_state",
@@ -1352,26 +1350,6 @@
       "entityType": "columns",
       "table": "session_v2"
     },
-    {
-      "type": "integer",
-      "notNull": false,
-      "autoincrement": false,
-      "default": null,
-      "generated": null,
-      "name": "time_idle",
-      "entityType": "columns",
-      "table": "session_v2"
-    },
-    {
-      "type": "integer",
-      "notNull": false,
-      "autoincrement": false,
-      "default": null,
-      "generated": null,
-      "name": "time_viewed",
-      "entityType": "columns",
-      "table": "session_v2"
-    },
     {
       "type": "integer",
       "notNull": false,
@@ -1503,13 +1481,9 @@
       "table": "worktree"
     },
     {
-      "columns": [
+      "columns": ["active_account_id"],
-        "active_account_id"
-      ],
       "tableTo": "account",
-      "columnsTo": [
+      "columnsTo": ["id"],
-        "id"
-      ],
       "onUpdate": "NO ACTION",
       "onDelete": "SET NULL",
       "nameExplicit": false,
@@ -1518,13 +1492,9 @@
       "table": "account_state"
     },
     {
-      "columns": [
+      "columns": ["aggregate_id"],
-        "aggregate_id"
-      ],
       "tableTo": "event_sequence",
-      "columnsTo": [
+      "columnsTo": ["aggregate_id"],
-        "aggregate_id"
-      ],
       "onUpdate": "NO ACTION",
       "onDelete": "CASCADE",
       "nameExplicit": false,
@@ -1533,13 +1503,9 @@
       "table": "event"
     },
     {
-      "columns": [
+      "columns": ["project_id"],
-        "project_id"
-      ],
       "tableTo": "project",
-      "columnsTo": [
+      "columnsTo": ["id"],
-        "id"
-      ],
       "onUpdate": "NO ACTION",
       "onDelete": "CASCADE",
       "nameExplicit": false,
@@ -1548,13 +1514,9 @@
       "table": "permission"
     },
     {
-      "columns": [
+      "columns": ["project_id"],
-        "project_id"
-      ],
       "tableTo": "project",
-      "columnsTo": [
+      "columnsTo": ["id"],
-        "id"
-      ],
       "onUpdate": "NO ACTION",
       "onDelete": "CASCADE",
       "nameExplicit": false,
@@ -1563,13 +1525,9 @@
       "table": "project_directory"
     },
     {
-      "columns": [
+      "columns": ["session_id"],
-        "session_id"
-      ],
       "tableTo": "session_v2",
-      "columnsTo": [
+      "columnsTo": ["id"],
-        "id"
-      ],
       "onUpdate": "NO ACTION",
       "onDelete": "CASCADE",
       "nameExplicit": false,
@@ -1578,13 +1536,9 @@
       "table": "instruction_entry"
     },
     {
-      "columns": [
+      "columns": ["session_id"],
-        "session_id"
-      ],
       "tableTo": "session_v2",
-      "columnsTo": [
+      "columnsTo": ["id"],
-        "id"
-      ],
       "onUpdate": "NO ACTION",
       "onDelete": "CASCADE",
       "nameExplicit": false,
@@ -1593,13 +1547,9 @@
       "table": "instruction_state"
     },
     {
-      "columns": [
+      "columns": ["session_id"],
-        "session_id"
-      ],
       "tableTo": "session_v2",
-      "columnsTo": [
+      "columnsTo": ["id"],
-        "id"
-      ],
       "onUpdate": "NO ACTION",
       "onDelete": "CASCADE",
       "nameExplicit": false,
@@ -1608,13 +1558,9 @@
       "table": "session_inbox"
     },
     {
-      "columns": [
+      "columns": ["session_id"],
-        "session_id"
-      ],
       "tableTo": "session_v2",
-      "columnsTo": [
+      "columnsTo": ["id"],
-        "id"
-      ],
       "onUpdate": "NO ACTION",
       "onDelete": "CASCADE",
       "nameExplicit": false,
@@ -1623,13 +1569,9 @@
       "table": "session_message"
     },
     {
-      "columns": [
+      "columns": ["session_id"],
-        "session_id"
-      ],
       "tableTo": "session_v2",
-      "columnsTo": [
+      "columnsTo": ["id"],
-        "id"
-      ],
       "onUpdate": "NO ACTION",
       "onDelete": "CASCADE",
       "nameExplicit": false,
@@ -1638,13 +1580,9 @@
       "table": "session_pending"
     },
     {
-      "columns": [
+      "columns": ["project_id"],
-        "project_id"
-      ],
       "tableTo": "project",
-      "columnsTo": [
+      "columnsTo": ["id"],
-        "id"
-      ],
       "onUpdate": "NO ACTION",
       "onDelete": "CASCADE",
       "nameExplicit": false,
@@ -1653,13 +1591,9 @@
       "table": "session_v2"
     },
     {
-      "columns": [
+      "columns": ["project_id"],
-        "project_id"
-      ],
       "tableTo": "project",
-      "columnsTo": [
+      "columnsTo": ["id"],
-        "id"
-      ],
       "onUpdate": "NO ACTION",
       "onDelete": "CASCADE",
       "nameExplicit": false,
@@ -1668,175 +1602,133 @@
       "table": "worktree"
     },
     {
-      "columns": [
+      "columns": ["email", "url"],
-        "email",
-        "url"
-      ],
       "nameExplicit": false,
       "name": "control_account_pk",
       "entityType": "pks",
       "table": "control_account"
     },
     {
-      "columns": [
+      "columns": ["project_id", "directory"],
-        "project_id",
-        "directory"
-      ],
       "nameExplicit": false,
       "name": "project_directory_pk",
       "entityType": "pks",
       "table": "project_directory"
     },
     {
-      "columns": [
+      "columns": ["session_id", "key"],
-        "session_id",
-        "key"
-      ],
       "nameExplicit": false,
       "name": "instruction_entry_pk",
       "entityType": "pks",
       "table": "instruction_entry"
     },
     {
-      "columns": [
+      "columns": ["project_id", "directory"],
-        "project_id",
-        "directory"
-      ],
       "nameExplicit": false,
       "name": "worktree_pk",
       "entityType": "pks",
       "table": "worktree"
     },
     {
-      "columns": [
+      "columns": ["id"],
-        "id"
-      ],
       "nameExplicit": false,
       "name": "account_state_pk",
       "table": "account_state",
       "entityType": "pks"
     },
     {
-      "columns": [
+      "columns": ["id"],
-        "id"
-      ],
       "nameExplicit": false,
       "name": "account_pk",
       "table": "account",
       "entityType": "pks"
     },
     {
-      "columns": [
+      "columns": ["id"],
-        "id"
-      ],
       "nameExplicit": false,
       "name": "credential_pk",
       "table": "credential",
       "entityType": "pks"
     },
     {
-      "columns": [
+      "columns": ["aggregate_id"],
-        "aggregate_id"
-      ],
       "nameExplicit": false,
       "name": "event_sequence_pk",
       "table": "event_sequence",
       "entityType": "pks"
     },
     {
-      "columns": [
+      "columns": ["id"],
-        "id"
-      ],
       "nameExplicit": false,
       "name": "event_pk",
       "table": "event",
       "entityType": "pks"
     },
     {
-      "columns": [
+      "columns": ["key"],
-        "key"
-      ],
       "nameExplicit": false,
       "name": "kv_pk",
       "table": "kv",
       "entityType": "pks"
     },
     {
-      "columns": [
+      "columns": ["id"],
-        "id"
-      ],
       "nameExplicit": false,
       "name": "permission_pk",
       "table": "permission",
       "entityType": "pks"
     },
     {
-      "columns": [
+      "columns": ["id"],
-        "id"
-      ],
       "nameExplicit": false,
       "name": "project_pk",
       "table": "project",
       "entityType": "pks"
     },
     {
-      "columns": [
+      "columns": ["hash"],
-        "hash"
-      ],
       "nameExplicit": false,
       "name": "instruction_blob_pk",
       "table": "instruction_blob",
       "entityType": "pks"
     },
     {
-      "columns": [
+      "columns": ["session_id"],
-        "session_id"
-      ],
       "nameExplicit": false,
       "name": "instruction_state_pk",
       "table": "instruction_state",
       "entityType": "pks"
     },
     {
-      "columns": [
+      "columns": ["id"],
-        "id"
-      ],
       "nameExplicit": false,
       "name": "session_inbox_pk",
       "table": "session_inbox",
       "entityType": "pks"
     },
     {
-      "columns": [
+      "columns": ["id"],
-        "id"
-      ],
       "nameExplicit": false,
       "name": "session_message_pk",
       "table": "session_message",
       "entityType": "pks"
     },
     {
-      "columns": [
+      "columns": ["id"],
-        "id"
-      ],
       "nameExplicit": false,
       "name": "session_pending_pk",
       "table": "session_pending",
       "entityType": "pks"
     },
     {
-      "columns": [
+      "columns": ["id"],
-        "id"
-      ],
       "nameExplicit": false,
       "name": "session_v2_pk",
       "table": "session_v2",
       "entityType": "pks"
     },
     {
-      "columns": [
+      "columns": ["id"],
-        "id"
-      ],
       "nameExplicit": false,
       "name": "workspace_pk",
       "table": "workspace",
@@ -2132,4 +2024,4 @@
     }
   ],
   "renames": []
-}
+}

packages/core/src/database/migration.gen.ts

@@ -43,7 +43,6 @@ import m40 from "./migration/20260808023530_workspace_domain.js"
 import m41 from "./migration/20260811161259_execution_claim_attempts.js"
 import m42 from "./migration/20260812181746_session_inbox.js"
 import m43 from "./migration/20260812213948_worktree.js"
-import m44 from "./migration/20260815182818_session_viewed_state.js"
 
 export const migrations = [
   m00,
@@ -90,5 +89,4 @@ export const migrations = [
   m41,
   m42,
   m43,
-  m44,
 ] satisfies DatabaseMigration.Migration[]

packages/core/src/database/migration/20260815182818_session_viewed_state.ts

@@ -1,14 +0,0 @@
-import { Effect } from "effect"
-import type { DatabaseMigration } from "../migration.js"
-
-const migration: DatabaseMigration.Migration = {
-  id: "20260815182818_session_viewed_state",
-  up(tx) {
-    return Effect.gen(function* () {
-      yield* tx.run(`ALTER TABLE \`session_v2\` ADD \`time_idle\` integer;`)
-      yield* tx.run(`ALTER TABLE \`session_v2\` ADD \`time_viewed\` integer;`)
-    })
-  },
-}
-
-export default migration

packages/core/src/database/schema.gen.ts

@@ -209,8 +209,6 @@ const schema: Omit<DatabaseMigration.Migration, "id"> = {
           \`model\` text,
           \`time_created\` integer NOT NULL,
           \`time_updated\` integer NOT NULL,
-          \`time_idle\` integer,
-          \`time_viewed\` integer,
           \`time_compacting\` integer,
           \`time_archived\` integer,
           \`time_suspended\` integer,

packages/core/src/session.ts

@@ -165,7 +165,6 @@ export interface Interface {
     input: ForkInput,
   ) => Effect.Effect<SessionSchema.Info, NotFoundError | MessageNotFoundError | ForkEmptyError>
   readonly get: (sessionID: SessionSchema.ID) => Effect.Effect<SessionSchema.Info, NotFoundError>
-  readonly view: (input: { sessionID: SessionSchema.ID }) => Effect.Effect<void, NotFoundError>
   readonly remove: (sessionID: SessionSchema.ID) => Effect.Effect<void, NotFoundError>
   readonly messages: (input: {
     sessionID: SessionSchema.ID
@@ -308,7 +307,6 @@ const layer = Layer.effect(
     const scope = yield* Scope.Scope
     const activeShells = new Set<SessionSchema.ID>()
     const shellLocks = KeyedMutex.makeUnsafe<SessionSchema.ID>()
-    const viewLocks = KeyedMutex.makeUnsafe<SessionSchema.ID>()
     const closeTransport = Effect.fn("Session.closeTransport")(function* (session: SessionSchema.Info) {
       const location = Location.Ref.make({
         directory: session.location.directory,
@@ -449,21 +447,6 @@ const layer = Layer.effect(
         if (!session) return yield* new NotFoundError({ sessionID })
         return session
       }),
-      view: Effect.fn("Session.view")((input) =>
-        viewLocks.withLock(input.sessionID)(
-          Effect.gen(function* () {
-            const row = yield* db
-              .select({ idle: SessionTable.time_idle, viewed: SessionTable.time_viewed })
-              .from(SessionTable)
-              .where(eq(SessionTable.id, input.sessionID))
-              .get()
-              .pipe(Effect.orDie)
-            if (!row) return yield* new NotFoundError({ sessionID: input.sessionID })
-            if (row.idle === null || row.viewed === row.idle) return
-            yield* bus.publish(SessionEvent.Viewed, { sessionID: input.sessionID })
-          }),
-        ),
-      ),
       remove: Effect.fn("Session.remove")(function* (sessionID) {
         const session = yield* result.get(sessionID)
         yield* execution.interrupt(sessionID)

packages/core/src/session/execution.ts

@@ -137,13 +137,13 @@ export const layer = Layer.effect(
     return Service.of({
       active: coordinator.active,
       interrupt: (sessionID, options) =>
-        coordinator.interrupt(
+        Effect.gen(function* () {
-          sessionID,
+          yield* coordinator.interrupt(sessionID, "user")
-          "user",
+          if (!options?.continue) return
-          options?.continue
+          // Resume only steering input from the interrupted intent. Queued next-turn work
-            ? { continue: { request: "steer", when: SessionInbox.has(db, sessionID, "steer") } }
+          // stays parked: a steer-scoped drain never promotes queue-delivery rows.
-            : undefined,
+          if (yield* SessionInbox.has(db, sessionID, "steer")) yield* coordinator.wake(sessionID, "steer")
-        ),
+        }),
       resume: coordinator.run,
       wake: coordinator.wake,
       wakeActive: coordinator.wakeActive,

packages/core/src/session/info.ts

@@ -53,8 +53,6 @@ export function fromRow(row: typeof SessionTable.$inferSelect): SessionSchema.In
     time: {
       created: DateTime.makeUnsafe(row.time_created),
       updated: DateTime.makeUnsafe(row.time_updated),
-      idle: row.time_idle === null ? undefined : DateTime.makeUnsafe(row.time_idle),
-      viewed: row.time_viewed === null ? undefined : DateTime.makeUnsafe(row.time_viewed),
       archived: row.time_archived ? DateTime.makeUnsafe(row.time_archived) : undefined,
     },
   })

packages/core/src/session/message-updater.ts

@@ -59,7 +59,6 @@ export function update(adapter: Adapter, event: SessionEvent.DurableEvent) {
     Match.type<SessionEvent.DurableEvent>(),
     Match.discriminatorsExhaustive("type")({
       "session.created": () => Effect.void,
-      "session.viewed": () => Effect.void,
       "session.usage.recorded": () => Effect.void,
       "session.agent.selected": (event) => {
         return Effect.gen(function* () {

packages/core/src/session/projector.ts

@@ -391,30 +391,6 @@ function insertMessage(db: DatabaseService, event: SessionEvent.DurableEvent, me
     .pipe(Effect.orDie)
 }
 
-function projectIdle(
-  db: DatabaseService,
-  event:
-    | typeof SessionEvent.Execution.Succeeded.Type
-    | typeof SessionEvent.Execution.Failed.Type
-    | typeof SessionEvent.Execution.Interrupted.Type,
-) {
-  return Effect.gen(function* () {
-    yield* run(db, event)
-    if (event.type === SessionEvent.Execution.Interrupted.type && event.data.reason === "shutdown") return
-    const time = DateTime.toEpochMillis(event.created)
-    yield* db
-      .update(SessionTable)
-      .set({
-        // Unread uses a strict timestamp comparison, so every terminal must advance even within one millisecond.
-        time_idle: sql`max(${time}, coalesce(${SessionTable.time_idle} + 1, ${time}))`,
-        time_updated: sql`${SessionTable.time_updated}`,
-      })
-      .where(eq(SessionTable.id, event.data.sessionID))
-      .run()
-      .pipe(Effect.orDie)
-  })
-}
-
 const layer = Layer.effectDiscard(
   Effect.gen(function* () {
     const bus = yield* Bus.Service
@@ -536,17 +512,6 @@ const layer = Layer.effectDiscard(
         .run()
         .pipe(Effect.orDie),
     )
-    yield* bus.project(SessionEvent.Viewed, (event) =>
-      db
-        .update(SessionTable)
-        .set({
-          time_viewed: sql`${SessionTable.time_idle}`,
-          time_updated: sql`${SessionTable.time_updated}`,
-        })
-        .where(eq(SessionTable.id, event.data.sessionID))
-        .run()
-        .pipe(Effect.orDie),
-    )
     yield* bus.project(SessionEvent.UsageRecorded, (event) => applyUsage(db, event.data.sessionID, event.data))
     yield* bus.project(SessionEvent.Forked, (event) => projectFork(db, event))
     yield* bus.project(SessionEvent.InboxDelivered, (event) =>
@@ -615,9 +580,9 @@ const layer = Layer.effectDiscard(
         delivery: event.data.delivery,
       }),
     )
-    yield* bus.project(SessionEvent.Execution.Succeeded, (event) => projectIdle(db, event))
+    yield* bus.project(SessionEvent.Execution.Succeeded, (event) => run(db, event))
-    yield* bus.project(SessionEvent.Execution.Failed, (event) => projectIdle(db, event))
+    yield* bus.project(SessionEvent.Execution.Failed, (event) => run(db, event))
-    yield* bus.project(SessionEvent.Execution.Interrupted, (event) => projectIdle(db, event))
+    yield* bus.project(SessionEvent.Execution.Interrupted, (event) => run(db, event))
     yield* bus.project(SessionEvent.InstructionsUpdated, (event) =>
       Effect.gen(function* () {
         yield* run(db, event)

packages/core/src/session/run-coordinator.ts

@@ -10,25 +10,19 @@ export interface Coordinator<Key, E, Reason = never> {
   /** Starts an execution while idle, or joins the active execution and returns its exit. */
   readonly run: (key: Key) => Effect.Effect<void, E>
   /** Rings the doorbell: an idle key starts an execution; an active one drains again before settling. */
-  readonly wake: (key: Key, request?: Request) => Effect.Effect<void>
+  readonly wake: (key: Key, scope?: Promotable) => Effect.Effect<void>
-  /** Rings the current execution's doorbell with its existing request. Idle keys remain idle. */
+  /** Rings the current execution's doorbell with its existing scope. Idle keys remain idle. */
   readonly wakeActive: (key: Key) => Effect.Effect<void>
   /** Stops the active execution, clears its doorbell, and waits for cleanup. No-op when idle. */
-  readonly interrupt: (
+  readonly interrupt: (key: Key, reason?: Reason) => Effect.Effect<void>
-    key: Key,
-    reason?: Reason,
-    options?: { readonly continue?: { readonly request: Request; readonly when: Effect.Effect<boolean> } },
-  ) => Effect.Effect<void>
   /** Resolves once no execution is active for the key. Returns immediately when already idle and never starts work. */
   readonly awaitIdle: (key: Key) => Effect.Effect<void>
 }
 
-export type Request = Promotable
-
 /**
  * One execution is a busy period for one key: one fiber that drains from the first wake
  * until the key would stay idle. `pendingWake` is the doorbell: work recorded during the
- * execution rings it with its eligibility request, and the execution loop drains again
+ * execution rings it with the scope that work needs, and the execution loop drains again
  * instead of ending. The doorbell closes the gap between a drain's last eligibility check
  * and the idle transition, since those cannot be one atomic step. `done` resolves joiners
  * with this execution's exit.
@@ -36,15 +30,10 @@ export type Request = Promotable
 type Execution<E, Reason> = {
   readonly done: Deferred.Deferred<void, E>
   owner?: Fiber.Fiber<void>
-  request: Request
+  scope: Promotable
-  pendingWake?: Request
+  pendingWake?: Promotable
   stopping: boolean
   interruptionReason?: Reason
-  continuation?: {
-    readonly request: Request
-    readonly when: Effect.Effect<boolean>
-    signaled: boolean
-  }
 }
 
 /**
@@ -59,7 +48,7 @@ type Execution<E, Reason> = {
  * ```
  */
 export const make = <Key, E, Reason = never>(options: {
-  readonly drain: (key: Key, force: boolean, request: Request) => Effect.Effect<void, E>
+  readonly drain: (key: Key, force: boolean, scope: Promotable) => Effect.Effect<void, E>
   /** Runs once when a process-local busy period begins, before its first drain. */
   readonly started?: (key: Key) => Effect.Effect<void>
   /**
@@ -73,11 +62,11 @@ export const make = <Key, E, Reason = never>(options: {
     const fork = yield* FiberSet.makeRuntime<never, void, never>()
 
     const loop = (key: Key, execution: Execution<E, Reason>, force: boolean): Effect.Effect<void, E> =>
-      Effect.suspend(() => options.drain(key, force, execution.request)).pipe(
+      Effect.suspend(() => options.drain(key, force, execution.scope)).pipe(
         Effect.flatMap(() =>
           Effect.suspend(() => {
             if (execution.stopping || execution.pendingWake === undefined) return Effect.void
-            execution.request = execution.pendingWake
+            execution.scope = execution.pendingWake
             execution.pendingWake = undefined
             // Trampoline so drains that complete synchronously cannot grow the stack.
             return Effect.yieldNow.pipe(Effect.andThen(loop(key, execution, false)))
@@ -85,10 +74,10 @@ export const make = <Key, E, Reason = never>(options: {
         ),
       )
 
-    const start = (key: Key, force: boolean, request: Request) => {
+    const start = (key: Key, force: boolean, scope: Promotable) => {
       const execution: Execution<E, Reason> = {
         done: Deferred.makeUnsafe<void, E>(),
-        request,
+        scope,
         stopping: false,
       }
       executions.set(key, execution)
@@ -104,7 +93,7 @@ export const make = <Key, E, Reason = never>(options: {
               execution.owner = undefined
             }).pipe(Effect.andThen(options.settled?.(key, exit, execution.interruptionReason) ?? Effect.void)),
           ),
-          Effect.onExit((exit) => finish(key, execution, exit)),
+          Effect.onExit((exit) => Effect.sync(() => settle(key, execution, exit))),
           Effect.exit,
           Effect.asVoid,
         ),
@@ -114,22 +103,12 @@ export const make = <Key, E, Reason = never>(options: {
 
     // A doorbell that survives the execution loop (rung after the loop decided to end, or
     // during failure or interruption cleanup) starts a fresh execution for the remaining work.
-    const settle = (key: Key, execution: Execution<E, Reason>, exit: Exit.Exit<void, E>, resume: boolean) => {
+    const settle = (key: Key, execution: Execution<E, Reason>, exit: Exit.Exit<void, E>) => {
-      if (resume && execution.continuation) start(key, false, execution.continuation.request)
+      if (execution.pendingWake) start(key, false, execution.pendingWake)
-      else if (execution.pendingWake) start(key, false, execution.pendingWake)
       else executions.delete(key)
       Deferred.doneUnsafe(execution.done, exit)
     }
 
-    const finish = (key: Key, execution: Execution<E, Reason>, exit: Exit.Exit<void, E>) => {
-      if (!execution.continuation) return Effect.sync(() => settle(key, execution, exit, false))
-      return execution.continuation.when.pipe(
-        Effect.flatMap((ready) =>
-          Effect.sync(() => settle(key, execution, exit, ready || execution.continuation?.signaled === true)),
-        ),
-      )
-    }
-
     const run = (key: Key): Effect.Effect<void, E> =>
       Effect.suspend(() => {
         const execution = executions.get(key)
@@ -141,55 +120,32 @@ export const make = <Key, E, Reason = never>(options: {
         return Deferred.await(start(key, true, "input").done)
       })
 
-    const wake = (key: Key, request: Request = "input") =>
+    const wake = (key: Key, scope: Promotable = "input") =>
       Effect.sync(() => {
         const execution = executions.get(key)
         if (execution !== undefined) {
-          if (execution.stopping) {
+          // Coalesced wakes keep the widest scope: "input" subsumes "steer".
-            if (execution.continuation) execution.continuation.signaled = true
+          execution.pendingWake = execution.pendingWake === "input" ? "input" : scope
-            else execution.continuation = { request, when: Effect.succeed(true), signaled: true }
-            return
-          }
-          // Coalesced wakes keep the widest request: "input" subsumes "steer".
-          execution.pendingWake = execution.pendingWake === "input" ? "input" : request
           return
         }
-        start(key, false, request)
+        start(key, false, scope)
       })
 
     const wakeActive = (key: Key) =>
       Effect.suspend(() => {
         const execution = executions.get(key)
-        return execution ? wake(key, execution.request) : Effect.void
+        return execution ? wake(key, execution.scope) : Effect.void
       })
 
-    const interrupt = (
+    const interrupt = (key: Key, reason?: Reason): Effect.Effect<void> =>
-      key: Key,
-      reason?: Reason,
-      options?: { readonly continue?: { readonly request: Request; readonly when: Effect.Effect<boolean> } },
-    ): Effect.Effect<void> =>
       Effect.suspend(() => {
         const execution = executions.get(key)
-        if (execution === undefined) return Effect.void
+        if (execution?.owner === undefined || execution.stopping) return Effect.void
-        if (execution.stopping) {
-          if (options?.continue)
-            execution.continuation = {
-              ...options.continue,
-              signaled: execution.continuation?.signaled ?? false,
-            }
-          return Deferred.await(execution.done).pipe(Effect.exit, Effect.asVoid)
-        }
-        if (execution.owner === undefined) {
-          if (!options?.continue) return Effect.void
-          execution.stopping = true
-          execution.pendingWake = undefined
-          execution.continuation = { ...options.continue, signaled: false }
-          return Deferred.await(execution.done).pipe(Effect.exit, Effect.asVoid)
-        }
         execution.stopping = true
+        // Wakes recorded so far belong to the interrupted intent; the interrupt claims them.
+        // Wakes arriving during cleanup are new admissions and restart normally at settle.
         execution.pendingWake = undefined
         execution.interruptionReason = reason
-        if (options?.continue) execution.continuation = { ...options.continue, signaled: false }
         return Fiber.interrupt(execution.owner)
       })
 

packages/core/src/session/sql.ts

@@ -56,8 +56,6 @@ export const SessionTable = sqliteTable(
       variant?: string
     }>(),
     ...Timestamps,
-    time_idle: integer(),
-    time_viewed: integer(),
     time_compacting: integer(),
     time_archived: integer(),
     /** The execution claim timestamp (historical column name; see SessionStore.claim). */

packages/core/src/session/transfer.ts

@@ -117,10 +117,6 @@ const layer = Layer.effect(
                       tokens_cache_write: input.data.info.tokens.cache.write,
                       time_created: DateTime.toEpochMillis(input.data.info.time.created),
                       time_updated: DateTime.toEpochMillis(input.data.info.time.updated),
-                      time_idle: input.data.info.time.idle ? DateTime.toEpochMillis(input.data.info.time.idle) : null,
-                      time_viewed: input.data.info.time.viewed
-                        ? DateTime.toEpochMillis(input.data.info.time.viewed)
-                        : null,
                       time_archived: input.data.info.time.archived
                         ? DateTime.toEpochMillis(input.data.info.time.archived)
                         : null,

packages/core/test/database-migration.test.ts

@@ -13,7 +13,6 @@ import { tmpdir } from "./fixture/tmpdir"
 import type { SqlClient } from "effect/unstable/sql/SqlClient"
 import legacyCredentialsMigration from "@opencode-ai/core/database/migration/20260805200742_import_legacy_credentials"
 import worktreeMigration from "@opencode-ai/core/database/migration/20260812213948_worktree"
-import sessionViewedStateMigration from "@opencode-ai/core/database/migration/20260815182818_session_viewed_state"
 import { Global } from "@opencode-ai/util/global"
 
 const run = <A, E>(
@@ -74,27 +73,6 @@ describe("DatabaseMigration", () => {
     )
   })
 
-  test("adds nullable attention state to existing sessions", async () => {
-    await run(
-      Effect.gen(function* () {
-        const db = yield* makeDb
-        yield* db.run(sql`CREATE TABLE session_v2 (id text PRIMARY KEY, title text)`)
-        yield* db.run(sql`INSERT INTO session_v2 (id, title) VALUES ('ses_existing', 'Existing')`)
-
-        yield* DatabaseMigration.applyOnly(db, [sessionViewedStateMigration])
-        yield* DatabaseMigration.applyOnly(db, [sessionViewedStateMigration])
-
-        expect(yield* db.get(sql`SELECT id, title, time_idle, time_viewed FROM session_v2`)).toEqual({
-          id: "ses_existing",
-          title: "Existing",
-          time_idle: null,
-          time_viewed: null,
-        })
-        expect(yield* db.get(sql`SELECT count(*) AS count FROM migration`)).toEqual({ count: 1 })
-      }),
-    )
-  })
-
   test("rejects a non-empty database without a session table", async () => {
     await expect(
       run(

packages/core/test/session-create.test.ts

@@ -840,15 +840,7 @@ describe("SessionTransfer", () => {
 
       const imported = yield* transfer.import({
         data: {
-          info: {
+          info: { ...template, id: sessionID },
-            ...template,
-            id: sessionID,
-            time: {
-              ...template.time,
-              idle: DateTime.makeUnsafe(200),
-              viewed: DateTime.makeUnsafe(150),
-            },
-          },
           messages: [
             {
               id: sourceMessageID,
@@ -871,18 +863,13 @@ describe("SessionTransfer", () => {
       const messages = yield* session.messages({ sessionID, order: "asc" })
 
       expect(imported).toMatchObject({ id: sessionID, title: "Exported", location })
-      expect(imported.time).toMatchObject({ idle: DateTime.makeUnsafe(200), viewed: DateTime.makeUnsafe(150) })
       expect(messages).toMatchObject([
         { id: sourceMessageID, type: "user", text: "Imported message" },
         { id: errorMessageID, type: "compaction", error: { type: "test_error", message: "Original error" } },
       ])
       expect(yield* Bus.latestSequence(db, sessionID)).toBe(2)
-      const exported = yield* transfer.export({ sessionID })
+      expect((yield* transfer.export({ sessionID })).messages).toEqual(messages)
-      expect(exported.info.time).toMatchObject({ idle: DateTime.makeUnsafe(200), viewed: DateTime.makeUnsafe(150) })
+      expect((yield* transfer.export({ sessionID, sanitize: true })).messages).toMatchObject([
-      expect(exported.messages).toEqual(messages)
-      const sanitized = yield* transfer.export({ sessionID, sanitize: true })
-      expect(sanitized.info.time).toMatchObject({ idle: DateTime.makeUnsafe(200), viewed: DateTime.makeUnsafe(150) })
-      expect(sanitized.messages).toMatchObject([
         { id: sourceMessageID, text: `[redacted:text:${sourceMessageID}]` },
         { id: errorMessageID, error: { type: "test_error", message: "Original error" } },
       ])

packages/core/test/session-execution.test.ts

@@ -14,8 +14,10 @@ import { SessionExecution } from "@opencode-ai/core/session/execution"
 import { SessionRestart } from "@opencode-ai/core/session/execution/restart"
 import { UserInterruptedError } from "@opencode-ai/core/session/error"
 import { SessionEvent } from "@opencode-ai/core/session/event"
+import { SessionInbox } from "@opencode-ai/core/session/inbox"
+import { SessionMessage } from "@opencode-ai/core/session/message"
 import { SessionRunner } from "@opencode-ai/core/session/runner/index"
-import { SessionTable } from "@opencode-ai/core/session/sql"
+import { SessionInboxTable, SessionTable } from "@opencode-ai/core/session/sql"
 import { SessionStore } from "@opencode-ai/core/session/store"
 import { Context, Deferred, Effect, Exit, Fiber, Layer, LayerMap, Scope } from "effect"
 import { eq } from "drizzle-orm"
@@ -290,6 +292,113 @@ describe("SessionExecution lifecycle", () => {
   )
 })
 
+describe("SessionExecution interrupt continuation", () => {
+  it.effect("resumes only steering input after an interrupt with continue", () =>
+    Effect.gen(function* () {
+      const database = yield* Database.Service
+      const sessionID = Session.ID.make("ses_continue_steer")
+      yield* seedSessions(database, [sessionID])
+      yield* seedInbox(database, sessionID, ["steer", "queue"])
+
+      const draining = yield* Deferred.make<void>()
+      const drains: Array<{ force: boolean; promotable?: SessionInbox.Promotable }> = []
+      const scope = yield* Scope.make()
+      yield* Effect.addFinalizer(() => Scope.close(scope, Exit.void))
+      const context = yield* buildExecution(scope, (input) =>
+        Effect.suspend(() => {
+          drains.push({ force: input.force, promotable: input.promotable })
+          if (drains.length > 1) return Effect.void
+          return Deferred.succeed(draining, undefined).pipe(Effect.andThen(Effect.never))
+        }),
+      )
+      const execution = Context.get(context, SessionExecution.Service)
+      yield* execution.resume(sessionID).pipe(Effect.forkScoped)
+      yield* Deferred.await(draining)
+
+      yield* execution.interrupt(sessionID, { continue: true })
+      yield* execution.awaitIdle(sessionID)
+
+      // The successor drain is steer-scoped: queued next-turn work stays parked.
+      expect(drains).toEqual([
+        { force: true, promotable: "input" },
+        { force: false, promotable: "steer" },
+      ])
+    }),
+  )
+
+  it.effect("stays parked after an interrupt with continue when only queued work remains", () =>
+    Effect.gen(function* () {
+      const database = yield* Database.Service
+      const sessionID = Session.ID.make("ses_continue_parked")
+      yield* seedSessions(database, [sessionID])
+      yield* seedInbox(database, sessionID, ["queue"])
+
+      const draining = yield* Deferred.make<void>()
+      const drains: Array<SessionInbox.Promotable | undefined> = []
+      const scope = yield* Scope.make()
+      yield* Effect.addFinalizer(() => Scope.close(scope, Exit.void))
+      const context = yield* buildExecution(scope, (input) =>
+        Effect.suspend(() => {
+          drains.push(input.promotable)
+          return Deferred.succeed(draining, undefined).pipe(Effect.andThen(Effect.never))
+        }),
+      )
+      const execution = Context.get(context, SessionExecution.Service)
+      yield* execution.resume(sessionID).pipe(Effect.forkScoped)
+      yield* Deferred.await(draining)
+
+      yield* execution.interrupt(sessionID, { continue: true })
+      yield* execution.awaitIdle(sessionID)
+
+      expect(drains).toEqual(["input"])
+      expect(yield* execution.active).toEqual(new Set())
+    }),
+  )
+
+  it.effect("an idle interrupt with continue resumes pending steers", () =>
+    Effect.gen(function* () {
+      const database = yield* Database.Service
+      const sessionID = Session.ID.make("ses_continue_idle")
+      yield* seedSessions(database, [sessionID])
+      yield* seedInbox(database, sessionID, ["steer"])
+
+      const drains: Array<{ force: boolean; promotable?: SessionInbox.Promotable }> = []
+      const scope = yield* Scope.make()
+      yield* Effect.addFinalizer(() => Scope.close(scope, Exit.void))
+      const context = yield* buildExecution(scope, (input) =>
+        Effect.sync(() => void drains.push({ force: input.force, promotable: input.promotable })),
+      )
+      const execution = Context.get(context, SessionExecution.Service)
+
+      yield* execution.interrupt(sessionID, { continue: true })
+      yield* execution.awaitIdle(sessionID)
+
+      expect(drains).toEqual([{ force: false, promotable: "steer" }])
+    }),
+  )
+})
+
+function seedInbox(
+  database: Database.Service["Service"],
+  sessionID: Session.ID,
+  deliveries: ReadonlyArray<SessionInbox.Delivery>,
+) {
+  return database.db
+    .insert(SessionInboxTable)
+    .values(
+      deliveries.map((delivery, index) => ({
+        id: SessionMessage.ID.create(),
+        session_id: sessionID,
+        type: "compaction" as const,
+        payload: {},
+        delivery,
+        enqueued_seq: index + 1,
+      })),
+    )
+    .run()
+    .pipe(Effect.orDie)
+}
+
 function seedSessions(
   database: Database.Service["Service"],
   sessionIDs: ReadonlyArray<Session.ID>,

packages/core/test/session-run-coordinator.test.ts

@@ -1,5 +1,6 @@
 import { describe, expect } from "bun:test"
 import { Cause, Deferred, Effect, Exit, Fiber, Layer } from "effect"
+import { SessionInbox } from "@opencode-ai/core/session/inbox"
 import { SessionRunCoordinator } from "@opencode-ai/core/session/run-coordinator"
 import { testEffect } from "./lib/effect"
 
@@ -269,31 +270,24 @@ describe("SessionRunCoordinator", () => {
     ),
   )
 
-  it.effect("replaces a settlement-window wake with a steer continuation", () =>
+  it.effect("a settlement-window wake starts a fresh execution with its own scope", () =>
     Effect.scoped(
       Effect.gen(function* () {
         const settling = yield* Deferred.make<void>()
         const release = yield* Deferred.make<void>()
-        const requests: SessionRunCoordinator.Request[] = []
+        const scopes: SessionInbox.Promotable[] = []
         const coordinator = yield* SessionRunCoordinator.make({
-          drain: (_key, _force, request) => Effect.sync(() => requests.push(request)),
+          drain: (_key, _force, scope) => Effect.sync(() => scopes.push(scope)),
           settled: () => Deferred.succeed(settling, undefined).pipe(Effect.andThen(Deferred.await(release))),
         })
 
-        yield* coordinator.wake("session", "input")
+        yield* coordinator.wake("session", "steer")
         yield* Deferred.await(settling)
         yield* coordinator.wake("session", "input")
-        const interrupted = yield* coordinator
-          .interrupt("session", undefined, {
-            continue: { request: "steer", when: Effect.succeed(true) },
-          })
-          .pipe(Effect.forkChild)
-        yield* Effect.yieldNow
         yield* Deferred.succeed(release, undefined)
-        yield* Fiber.join(interrupted)
         yield* coordinator.awaitIdle("session")
 
-        expect(requests).toEqual(["input", "steer"])
+        expect(scopes).toEqual(["steer", "input"])
       }),
     ),
   )
@@ -371,17 +365,17 @@ describe("SessionRunCoordinator", () => {
     ),
   )
 
-  it.effect("coalesces drain requests with input taking precedence", () =>
+  it.effect("coalesces drain scopes with input taking precedence", () =>
     Effect.scoped(
       Effect.gen(function* () {
         const firstStarted = yield* Deferred.make<void>()
         const release = yield* Deferred.make<void>()
-        const requests: SessionRunCoordinator.Request[] = []
+        const scopes: SessionInbox.Promotable[] = []
         const coordinator = yield* SessionRunCoordinator.make({
-          drain: (_key, _force, request) =>
+          drain: (_key, _force, scope) =>
             Effect.gen(function* () {
-              requests.push(request)
+              scopes.push(scope)
-              if (requests.length !== 1) return
+              if (scopes.length !== 1) return
               yield* Deferred.succeed(firstStarted, undefined)
               yield* Deferred.await(release)
             }),
@@ -394,22 +388,22 @@ describe("SessionRunCoordinator", () => {
         yield* Deferred.succeed(release, undefined)
         yield* coordinator.awaitIdle("session")
 
-        expect(requests).toEqual(["steer", "input"])
+        expect(scopes).toEqual(["steer", "input"])
       }),
     ),
   )
 
-  it.effect("does not carry a completed input request into a steer drain", () =>
+  it.effect("does not carry a completed input scope into a steer drain", () =>
     Effect.scoped(
       Effect.gen(function* () {
         const firstStarted = yield* Deferred.make<void>()
         const release = yield* Deferred.make<void>()
-        const requests: SessionRunCoordinator.Request[] = []
+        const scopes: SessionInbox.Promotable[] = []
         const coordinator = yield* SessionRunCoordinator.make({
-          drain: (_key, _force, request) =>
+          drain: (_key, _force, scope) =>
             Effect.gen(function* () {
-              requests.push(request)
+              scopes.push(scope)
-              if (requests.length !== 1) return
+              if (scopes.length !== 1) return
               yield* Deferred.succeed(firstStarted, undefined)
               yield* Deferred.await(release)
             }),
@@ -421,7 +415,7 @@ describe("SessionRunCoordinator", () => {
         yield* Deferred.succeed(release, undefined)
         yield* coordinator.awaitIdle("session")
 
-        expect(requests).toEqual(["input", "steer"])
+        expect(scopes).toEqual(["input", "steer"])
       }),
     ),
   )
@@ -431,12 +425,12 @@ describe("SessionRunCoordinator", () => {
       Effect.gen(function* () {
         const firstStarted = yield* Deferred.make<void>()
         const release = yield* Deferred.make<void>()
-        const requests: SessionRunCoordinator.Request[] = []
+        const scopes: SessionInbox.Promotable[] = []
         const coordinator = yield* SessionRunCoordinator.make({
-          drain: (_key, _force, request) =>
+          drain: (_key, _force, scope) =>
             Effect.gen(function* () {
-              requests.push(request)
+              scopes.push(scope)
-              if (requests.length !== 1) return
+              if (scopes.length !== 1) return
               yield* Deferred.succeed(firstStarted, undefined)
               yield* Deferred.await(release)
             }),
@@ -449,61 +443,23 @@ describe("SessionRunCoordinator", () => {
         yield* Deferred.succeed(release, undefined)
         yield* coordinator.awaitIdle("session")
 
-        expect(requests).toEqual(["steer", "steer"])
+        expect(scopes).toEqual(["steer", "steer"])
       }),
     ),
   )
 
-  it.effect("coalesces overlapping interrupt continuations into one steer successor", () =>
+  it.effect("a cleanup-era wake starts a successor with its own scope", () =>
     Effect.scoped(
       Effect.gen(function* () {
         const firstStarted = yield* Deferred.make<void>()
         const cleanupStarted = yield* Deferred.make<void>()
         const cleanupGate = yield* Deferred.make<void>()
-        const requests: SessionRunCoordinator.Request[] = []
+        const scopes: SessionInbox.Promotable[] = []
         const coordinator = yield* SessionRunCoordinator.make({
-          drain: (_key, _force, request) =>
+          drain: (_key, _force, scope) =>
             Effect.gen(function* () {
-              requests.push(request)
+              scopes.push(scope)
-              if (requests.length !== 1) return
+              if (scopes.length !== 1) return
-              yield* Deferred.succeed(firstStarted, undefined)
-              yield* Effect.never.pipe(
-                Effect.onInterrupt(() =>
-                  Deferred.succeed(cleanupStarted, undefined).pipe(Effect.andThen(Deferred.await(cleanupGate))),
-                ),
-              )
-            }),
-        })
-        const continuation = { continue: { request: "steer" as const, when: Effect.succeed(false) } }
-
-        yield* coordinator.wake("session")
-        yield* Deferred.await(firstStarted)
-        const first = yield* coordinator.interrupt("session", undefined, continuation).pipe(Effect.forkChild)
-        yield* Deferred.await(cleanupStarted)
-        const second = yield* coordinator.interrupt("session", undefined, continuation).pipe(Effect.forkChild)
-        yield* Effect.yieldNow
-        yield* coordinator.wake("session", "input")
-        yield* Deferred.succeed(cleanupGate, undefined)
-        yield* Effect.all([Fiber.join(first), Fiber.join(second)])
-        yield* coordinator.awaitIdle("session")
-
-        expect(requests).toEqual(["input", "steer"])
-      }),
-    ),
-  )
-
-  it.effect("a continuing interrupt replaces a cleanup-era input wake", () =>
-    Effect.scoped(
-      Effect.gen(function* () {
-        const firstStarted = yield* Deferred.make<void>()
-        const cleanupStarted = yield* Deferred.make<void>()
-        const cleanupGate = yield* Deferred.make<void>()
-        const requests: SessionRunCoordinator.Request[] = []
-        const coordinator = yield* SessionRunCoordinator.make({
-          drain: (_key, _force, request) =>
-            Effect.gen(function* () {
-              requests.push(request)
-              if (requests.length !== 1) return
               yield* Deferred.succeed(firstStarted, undefined)
               yield* Effect.never.pipe(
                 Effect.onInterrupt(() =>
@@ -515,45 +471,16 @@ describe("SessionRunCoordinator", () => {
 
         yield* coordinator.wake("session", "input")
         yield* Deferred.await(firstStarted)
-        const plain = yield* coordinator.interrupt("session").pipe(Effect.forkChild)
+        const interrupt = yield* coordinator.interrupt("session").pipe(Effect.forkChild)
         yield* Deferred.await(cleanupStarted)
+        // A new admission during cancellation restarts normally: interruption only
+        // claims the wakes recorded before it.
         yield* coordinator.wake("session", "input")
-        const continuing = yield* coordinator
-          .interrupt("session", undefined, {
-            continue: { request: "steer", when: Effect.succeed(false) },
-          })
-          .pipe(Effect.forkChild)
-        yield* Effect.yieldNow
         yield* Deferred.succeed(cleanupGate, undefined)
-        yield* Effect.all([Fiber.join(plain), Fiber.join(continuing)])
+        yield* Fiber.join(interrupt)
         yield* coordinator.awaitIdle("session")
 
-        expect(requests).toEqual(["input", "steer"])
+        expect(scopes).toEqual(["input", "input"])
-      }),
-    ),
-  )
-
-  it.effect("does not start a conditional continuation without eligible work", () =>
-    Effect.scoped(
-      Effect.gen(function* () {
-        const started = yield* Deferred.make<void>()
-        const requests: SessionRunCoordinator.Request[] = []
-        const coordinator = yield* SessionRunCoordinator.make({
-          drain: (_key, _force, request) =>
-            Effect.sync(() => requests.push(request)).pipe(
-              Effect.andThen(Deferred.succeed(started, undefined)),
-              Effect.andThen(Effect.never),
-            ),
-        })
-
-        yield* coordinator.wake("session")
-        yield* Deferred.await(started)
-        yield* coordinator.interrupt("session", undefined, {
-          continue: { request: "steer", when: Effect.succeed(false) },
-        })
-        yield* coordinator.awaitIdle("session")
-
-        expect(requests).toEqual(["input"])
       }),
     ),
   )

packages/core/test/session-view.test.ts

@@ -1,114 +0,0 @@
-import { describe, expect } from "bun:test"
-import { Bus } from "@opencode-ai/core/bus"
-import { Database } from "@opencode-ai/core/database/database"
-import { AppNodeBuilder } from "@opencode-ai/core/effect/app-node-builder"
-import { EventTable } from "@opencode-ai/core/event/sql"
-import { Location } from "@opencode-ai/core/location"
-import { Project } from "@opencode-ai/core/project"
-import { AbsolutePath } from "@opencode-ai/core/schema"
-import { Session } from "@opencode-ai/core/session"
-import { SessionEvent } from "@opencode-ai/core/session/event"
-import { SessionExecution } from "@opencode-ai/core/session/execution"
-import { SessionProjector } from "@opencode-ai/core/session/projector"
-import { SessionTable } from "@opencode-ai/core/session/sql"
-import { SessionStore } from "@opencode-ai/core/session/store"
-import { LayerNode } from "@opencode-ai/util/effect/layer-node"
-import { DateTime, Effect } from "effect"
-import { eq } from "drizzle-orm"
-import { testEffect } from "./lib/effect"
-import { globalProjectLayer } from "./lib/project"
-
-const it = testEffect(
-  AppNodeBuilder.build(
-    LayerNode.group([Database.node, Bus.node, SessionProjector.node, SessionStore.node, Session.node]),
-    [
-      [Bus.node, Bus.configured({ persist: true })],
-      [Project.node, globalProjectLayer],
-      [SessionExecution.node, SessionExecution.noopLayer],
-    ],
-  ),
-)
-const location = Location.Ref.make({ directory: AbsolutePath.make("/project") })
-
-describe("Session.view", () => {
-  it.effect("copies the latest idle time without changing session recency", () =>
-    Effect.gen(function* () {
-      const session = yield* Session.Service
-      const bus = yield* Bus.Service
-      const { db } = yield* Database.Service
-      const created = yield* session.create({ location })
-
-      expect(created.time.idle).toBeUndefined()
-      expect(created.time.viewed).toBeUndefined()
-
-      yield* Effect.all([session.view({ sessionID: created.id }), session.view({ sessionID: created.id })], {
-        concurrency: "unbounded",
-        discard: true,
-      })
-      expect((yield* session.get(created.id)).time.viewed).toBeUndefined()
-
-      yield* bus.publish(SessionEvent.Execution.Succeeded, { sessionID: created.id })
-      const idle = yield* session.get(created.id)
-      expect(idle.time.idle).toBeDefined()
-      expect(idle.time.viewed).toBeUndefined()
-      expect(idle.time.updated).toEqual(created.time.updated)
-
-      yield* session.view({ sessionID: created.id })
-      const viewed = yield* session.get(created.id)
-      if (!viewed.time.idle || !viewed.time.viewed) return yield* Effect.die(new Error("Expected attention times"))
-      expect(viewed.time.viewed).toEqual(viewed.time.idle)
-      expect(viewed.time.updated).toEqual(created.time.updated)
-      expect(
-        yield* db
-          .select({ idle: SessionTable.time_idle, viewed: SessionTable.time_viewed })
-          .from(SessionTable)
-          .where(eq(SessionTable.id, created.id))
-          .get(),
-      ).toEqual({
-        idle: DateTime.toEpochMillis(viewed.time.idle),
-        viewed: DateTime.toEpochMillis(viewed.time.viewed),
-      })
-      expect((yield* session.list()).data.find((item) => item.id === created.id)?.time).toEqual(viewed.time)
-
-      yield* session.view({ sessionID: created.id })
-      expect((yield* session.get(created.id)).time).toEqual(viewed.time)
-
-      yield* bus.publish(SessionEvent.Execution.Failed, {
-        sessionID: created.id,
-        error: { type: "unknown", message: "failed" },
-      })
-      const unread = yield* session.get(created.id)
-      if (!unread.time.idle || !unread.time.viewed) return yield* Effect.die(new Error("Expected attention times"))
-      expect(DateTime.toEpochMillis(unread.time.idle)).toBeGreaterThan(DateTime.toEpochMillis(unread.time.viewed))
-
-      yield* session.view({ sessionID: created.id })
-      expect((yield* session.get(created.id)).time.viewed).toEqual(unread.time.idle)
-
-      yield* bus.publish(SessionEvent.Execution.Interrupted, { sessionID: created.id, reason: "shutdown" })
-      expect((yield* session.get(created.id)).time.idle).toEqual(unread.time.idle)
-
-      yield* bus.publish(SessionEvent.Execution.Interrupted, { sessionID: created.id, reason: "user" })
-      const interrupted = yield* session.get(created.id)
-      if (!interrupted.time.idle || !interrupted.time.viewed)
-        return yield* Effect.die(new Error("Expected attention times"))
-      expect(DateTime.toEpochMillis(interrupted.time.idle)).toBeGreaterThan(
-        DateTime.toEpochMillis(interrupted.time.viewed),
-      )
-      expect(
-        (yield* db
-          .select({ type: EventTable.type })
-          .from(EventTable)
-          .where(eq(EventTable.aggregate_id, created.id))
-          .all()).filter((event) => event.type === "session.viewed.1"),
-      ).toHaveLength(2)
-    }),
-  )
-
-  it.effect("rejects an unknown session", () =>
-    Effect.gen(function* () {
-      const session = yield* Session.Service
-      const sessionID = Session.ID.make("ses_missing_view")
-      expect(yield* Effect.flip(session.view({ sessionID }))).toEqual(new Session.NotFoundError({ sessionID }))
-    }),
-  )
-})

packages/core/test/v1-migration.test.ts

@@ -60,8 +60,6 @@ const session = (
   model: null,
   time_created: 1,
   time_updated: 2,
-  time_idle: null,
-  time_viewed: null,
   time_compacting: 3,
   time_archived: null,
   time_suspended: null,

packages/protocol/src/groups/session.ts

@@ -693,19 +693,6 @@ export const makeSessionGroup = <I extends HttpApiMiddleware.AnyId, S>(sessionLo
         }),
       ),
     )
-    .add(
-      HttpApiEndpoint.post("session.view", "/api/session/:sessionID/view", {
-        params: { sessionID: Session.ID },
-        success: HttpApiSchema.NoContent,
-        error: SessionNotFoundError,
-      }).annotateMerge(
-        OpenApi.annotations({
-          identifier: "v2.session.view",
-          summary: "View session",
-          description: "Mark the latest recorded idle transition as viewed.",
-        }),
-      ),
-    )
     .annotateMerge(
       OpenApi.annotations({
         title: "session",

packages/schema/src/session-event.ts

@@ -105,13 +105,6 @@ export const Renamed = Event.durable({
 })
 export type Renamed = typeof Renamed.Type
 
-export const Viewed = Event.durable({
-  type: "session.viewed",
-  ...options,
-  schema: Base,
-})
-export type Viewed = typeof Viewed.Type
-
 export const UsageRecorded = Event.durable({
   type: "session.usage.recorded",
   ...options,
@@ -587,7 +580,6 @@ export const Definitions = Event.inventory(
   ModelSelected,
   Moved,
   Renamed,
-  Viewed,
   UsageUpdated,
   Deleted,
   Forked,

packages/schema/src/session.ts

@@ -40,8 +40,6 @@ export const Info = Schema.Struct({
   time: Schema.Struct({
     created: DateTimeUtcFromMillis,
     updated: DateTimeUtcFromMillis,
-    idle: DateTimeUtcFromMillis.pipe(optional),
-    viewed: DateTimeUtcFromMillis.pipe(optional),
     archived: DateTimeUtcFromMillis.pipe(optional),
   }),
   title: Schema.String.pipe(optional),

packages/schema/test/contract-hygiene.test.ts

@@ -54,29 +54,17 @@ describe("contract hygiene", () => {
       }),
     ).toEqual({ text: "completed" })
 
-    const info = Session.Info.make({
-      id: Session.ID.make("ses_untitled"),
-      projectID: Project.ID.make("global"),
-      cost: Money.USD.zero,
-      tokens: { input: 0, output: 0, reasoning: 0, cache: { read: 0, write: 0 } },
-      time: {
-        created: DateTime.makeUnsafe(0),
-        updated: DateTime.makeUnsafe(0),
-        idle: undefined,
-        viewed: undefined,
-      },
-      title: undefined,
-      location: { directory: AbsolutePath.make("/project") },
-    })
-    const encoded = Schema.encodeSync(Session.Info)(info)
-    expect(encoded).not.toHaveProperty("title")
-    expect(encoded.time).toEqual({ created: 0, updated: 0 })
     expect(
       Schema.encodeSync(Session.Info)({
-        ...info,
+        id: Session.ID.make("ses_untitled"),
-        time: { ...info.time, idle: DateTime.makeUnsafe(2), viewed: DateTime.makeUnsafe(1) },
+        projectID: Project.ID.make("global"),
-      }).time,
+        cost: Money.USD.zero,
-    ).toEqual({ created: 0, updated: 0, idle: 2, viewed: 1 })
+        tokens: { input: 0, output: 0, reasoning: 0, cache: { read: 0, write: 0 } },
+        time: { created: DateTime.makeUnsafe(0), updated: DateTime.makeUnsafe(0) },
+        title: undefined,
+        location: { directory: AbsolutePath.make("/project") },
+      }),
+    ).not.toHaveProperty("title")
   })
 
   test("session inbox items omit the internal enqueue sequence", () => {

packages/schema/test/event-manifest.test.ts

@@ -83,7 +83,6 @@ describe("public event manifest", () => {
         "session.model.selected.1",
         "session.moved.1",
         "session.renamed.1",
-        "session.viewed.1",
         "session.usage.recorded.1",
         "session.forked.2",
         "session.inbox.delivered.1",

packages/server/src/handlers/session.ts

@@ -180,22 +180,6 @@ export const SessionHandler = HttpApiBuilder.group(Api, "server.session", (handl
           }
         }),
       )
-      .handle(
-        "session.view",
-        Effect.fn(function* (ctx) {
-          yield* session.view({ sessionID: ctx.params.sessionID }).pipe(
-            Effect.catchTag(
-              "Session.NotFoundError",
-              (error) =>
-                new SessionNotFoundError({
-                  sessionID: error.sessionID,
-                  message: `Session not found: ${error.sessionID}`,
-                }),
-            ),
-          )
-          return HttpApiSchema.NoContent.make()
-        }),
-      )
       .handle(
         "session.remove",
         Effect.fn(function* (ctx) {

packages/server/test/fetch.test.ts

@@ -52,36 +52,6 @@ it.live("serves unauthenticated and answers CORS preflight when no password is c
   }).pipe(Effect.scoped),
 )
 
-it.live("serves the session view operation and missing-session error", () =>
-  Effect.gen(function* () {
-    const handler = yield* ServerFetch.make(options)
-    const created = yield* Effect.promise(() =>
-      handler(
-        new Request("http://opencode.local/api/session", {
-          method: "POST",
-          headers: { "content-type": "application/json" },
-          body: "{}",
-        }),
-      ).then((response) => response.json()),
-    )
-    if (typeof created !== "object" || created === null || !("data" in created))
-      return yield* Effect.die(new Error("Expected a session response"))
-    const data = created.data
-    if (typeof data !== "object" || data === null || !("id" in data) || typeof data.id !== "string")
-      return yield* Effect.die(new Error("Expected a session ID"))
-
-    const viewed = yield* Effect.promise(() =>
-      handler(new Request(`http://opencode.local/api/session/${data.id}/view`, { method: "POST" })),
-    )
-    expect(viewed.status).toBe(204)
-
-    const missing = yield* Effect.promise(() =>
-      handler(new Request("http://opencode.local/api/session/ses_missing_view/view", { method: "POST" })),
-    )
-    expect(missing.status).toBe(404)
-  }).pipe(Effect.scoped),
-)
-
 // Pins the eager-boot guarantee: the application layer is built before the handler returns, so
 // an aborted first request cannot interrupt layer construction and wedge every later request
 // (the Effect-TS/effect#6319 failure class that lazy first-request builds are prone to).