diff --git a/packages/context/time-context/tests/time-context.spec.ts b/packages/context/time-context/tests/time-context.spec.ts
index f6be6e1e67..1b85595bb9 100644
--- a/packages/context/time-context/tests/time-context.spec.ts
+++ b/packages/context/time-context/tests/time-context.spec.ts
@@ -40,7 +40,7 @@ function sessionAgent(session: Session, id = 'agent'): Agent {
     id: SessionId(id),
     options: {},
     session,
-    inbox: new Inbox(session, { inserted: () => {}, discarded: () => {} }),
+    inbox: new Inbox(session, { inserted: () => {}, discarded: () => {}, claimed: () => {} }),
     status: 'running',
     ctx: new Context(),
     send: () => {},
diff --git a/packages/context/tmux-context/tests/tmux-context.spec.ts b/packages/context/tmux-context/tests/tmux-context.spec.ts
index 5de9ea8f5e..e7b501d462 100644
--- a/packages/context/tmux-context/tests/tmux-context.spec.ts
+++ b/packages/context/tmux-context/tests/tmux-context.spec.ts
@@ -96,7 +96,7 @@ function sessionAgent(session: Session, id = 'agent'): Agent {
     id: SessionId(id),
     options: {},
     session,
-    inbox: new Inbox(session, { inserted: () => {}, discarded: () => {} }),
+    inbox: new Inbox(session, { inserted: () => {}, discarded: () => {}, claimed: () => {} }),
     status: 'running',
     ctx: new Context(),
     send: () => {},
diff --git a/packages/context/workspace-context/tests/workspace-context.spec.ts b/packages/context/workspace-context/tests/workspace-context.spec.ts
index 03d9e38bd6..b55b11bbe1 100644
--- a/packages/context/workspace-context/tests/workspace-context.spec.ts
+++ b/packages/context/workspace-context/tests/workspace-context.spec.ts
@@ -175,7 +175,7 @@ function stubAgent(cwd?: string, seed: SessionEvent[] = []): Agent {
     id: SessionId('a1'),
     options: {},
     session,
-    inbox: new Inbox(session, { inserted: () => {}, discarded: () => {} }),
+    inbox: new Inbox(session, { inserted: () => {}, discarded: () => {}, claimed: () => {} }),
     status: 'idle',
     send: () => {},
     followup: () => {},
@@ -230,7 +230,7 @@ function baselineEvents(agent: Agent): SessionEvent[] {
 async function appendAdditionalContexts(ctx: Context, agent: Agent): Promise<number | undefined> {
   await syncedWorkspaceContext(ctx, agent)
   let lastSeq: number | undefined
-  for (const claimed of agent.inbox.claim('next-step')) {
+  for (const claimed of agent.inbox.claim('next-step', 1)) {
     if (claimed.source.kind !== 'workspace-instructions') continue
     const event = agent.session.append('user/message', claimed, { surfaceOp: 'append' })
     ctx.emit('session/event', agent.session, event)
@@ -249,7 +249,7 @@ async function composeBaselinePrefix(ctx: Context, agent: Agent): Promise<Messag
     { turn: 1, step: 1, signal },
     () => Promise.resolve({ kind: 'enter' as const, messages: [] }),
   )
-  const claimed = agent.inbox.claim('next-step')
+  const claimed = agent.inbox.claim('next-step', 1)
   const decision = await agentEvents(ctx, agent).waterfall(
     'agent/pre-step',
     claimed,
@@ -979,7 +979,7 @@ describe('workspace context request injection', () => {
       await ctx.plugin(workspaceContext, { dshHome: home, maxBytes: 65536 })
       const resumed = stubAgent(root, [...original.session.events])
       agentEvents(ctx, resumed).emit('agent/session-start', 'resume')
-      const claimed = resumed.inbox.claim('next-step')
+      const claimed = resumed.inbox.claim('next-step', 1)
       const decision = await agentEvents(ctx, resumed).waterfall(
         'agent/pre-step',
         claimed,
@@ -1027,7 +1027,7 @@ describe('workspace context request injection', () => {
       await ctx.plugin(workspaceContext, { dshHome: home, maxBytes: 65536 })
       const resumed = stubAgent(root, [...original.session.events])
       agentEvents(ctx, resumed).emit('agent/session-start', 'resume')
-      const staleClaim = resumed.inbox.claim('next-step')
+      const staleClaim = resumed.inbox.claim('next-step', 1)
       const staleDecision = await agentEvents(ctx, resumed).waterfall(
         'agent/pre-step',
         staleClaim,
@@ -1082,7 +1082,7 @@ describe('workspace context request injection', () => {
       await resumedCtx.plugin(workspaceContext, { dshHome: home, maxBytes })
       const resumed = stubAgent(root, [...original.session.events])
       agentEvents(resumedCtx, resumed).emit('agent/session-start', 'resume')
-      const claimed = resumed.inbox.claim('next-step')
+      const claimed = resumed.inbox.claim('next-step', 1)
       const decision = await agentEvents(resumedCtx, resumed).waterfall(
         'agent/pre-step',
         claimed,
@@ -3966,7 +3966,7 @@ describe('workspace context inbox synchronization', () => {
       await mountFileToolsAndWorkspaceContext(ctx, { dshHome: home, maxBytes: 65536 })
       const agent = stubAgent(join(root, 'pkg'))
       await syncedWorkspaceContext(ctx, agent)
-      const claimed = agent.inbox.claim('next-step')
+      const claimed = agent.inbox.claim('next-step', 1)
       await write(join(root, 'pkg/AGENTS.md'), 'new claimed rule with more detail')
       const downstream = { kind: 'enter' as const, messages: claimed }
 
diff --git a/packages/cordis/tool-cordis/src/api-catalog.ts b/packages/cordis/tool-cordis/src/api-catalog.ts
index 8048ea07e7..8dbb049ab6 100644
--- a/packages/cordis/tool-cordis/src/api-catalog.ts
+++ b/packages/cordis/tool-cordis/src/api-catalog.ts
@@ -2007,11 +2007,11 @@ export const TYPE_API: readonly TypeApiEntry[] = [
   },
   {
     name: 'Inbox',
-    declaration: 'export class Inbox {\n    constructor(private readonly session: Session, private readonly notifications: InboxNotifications);\n    get nextTurn(): readonly UserMessage[];\n    get nextStep(): readonly UserMessage[];\n    get hasPending(): boolean;\n    clear(): void;\n    claim(target: InboxTarget): UserMessage[];\n    append(target: InboxTarget, message: UserMessage): void;\n    prepend(target: InboxTarget, message: UserMessage): void;\n    replace(messageId: MessageId, newMessage: UserMessage): boolean;\n    remove(messageId: MessageId): boolean;\n    splice(target: InboxTarget, start: number, deleteCount: number, inserted: UserMessage[]): UserMessage[];\n}',
+    declaration: 'export class Inbox {\n    constructor(private readonly session: Session, private readonly notifications: InboxNotifications);\n    get nextTurn(): readonly UserMessage[];\n    get nextStep(): readonly UserMessage[];\n    get hasPending(): boolean;\n    clear(): void;\n    claim(target: InboxTarget, turn: number): UserMessage[];\n    append(target: InboxTarget, message: UserMessage): void;\n    prepend(target: InboxTarget, message: UserMessage): void;\n    replace(messageId: MessageId, newMessage: UserMessage): boolean;\n    remove(messageId: MessageId): boolean;\n    splice(target: InboxTarget, start: number, deleteCount: number, inserted: UserMessage[]): UserMessage[];\n}',
   },
   {
     name: 'InboxNotifications',
-    declaration: 'export interface InboxNotifications {\n    inserted(message: UserMessage): void;\n    discarded(message: UserMessage): void;\n}',
+    declaration: 'export interface InboxNotifications {\n    inserted(message: UserMessage): void;\n    discarded(message: UserMessage): void;\n    claimed(message: UserMessage, turn: number): void;\n}',
   },
   {
     name: 'InboxTarget',
diff --git a/packages/core/agent-loop/src/agent.ts b/packages/core/agent-loop/src/agent.ts
index ed551e29fd..1931d6efb0 100644
--- a/packages/core/agent-loop/src/agent.ts
+++ b/packages/core/agent-loop/src/agent.ts
@@ -81,6 +81,7 @@ export class ReactLoopAgent implements Agent {
     this.inbox = new Inbox(session, {
       inserted: (message) => { emitAgentEvent(loopCtx, this, 'agent/inbox/inserted', { message }) },
       discarded: (message) => { emitAgentEvent(loopCtx, this, 'agent/inbox/discarded', { message }) },
+      claimed: (message, turn) => { emitAgentEvent(loopCtx, this, 'agent/inbox/claimed', { message, turn }) },
     })
     const lastTurn = session.events.findLast(event => event.type === 'turn/start')?.data.turn ?? 0
     this.phase = { kind: 'idle', lastTurn }
@@ -198,10 +199,7 @@ export class ReactLoopAgent implements Agent {
     /* v8 ignore next -- private callers establish the running phase before proposing a step */
     if (this.phase.kind !== 'running') throw new Error(`agent "${this.id}": pre-step outside running phase`)
     const signal = this.phase.abort.signal
-    const claimed = this.inbox.claim(target)
-    for (const message of claimed) {
-      emitAgentEvent(this.loopCtx, this, 'agent/inbox/claimed', { message, turn: position.turn })
-    }
+    const claimed = this.inbox.claim(target, position.turn)
     const assembly = await this.loopCtx.systemPrompt.assemble(assembleContextFor(this, signal))
     signal.throwIfAborted()
     const context = this.runtimeContext.project(renderContextSnapshot(assembly))
diff --git a/packages/core/agent/src/inbox.ts b/packages/core/agent/src/inbox.ts
index 2feaa1472f..4448847cd8 100644
--- a/packages/core/agent/src/inbox.ts
+++ b/packages/core/agent/src/inbox.ts
@@ -19,6 +19,8 @@ export interface InboxNotifications {
   inserted(message: UserMessage): void
   /** Publish one discarded message. */
   discarded(message: UserMessage): void
+  /** Publish one claimed message inside its owning turn. */
+  claimed(message: UserMessage, turn: number): void
 }
 
 /** A replay-once projection that incrementally consumes later inbox splices. */
@@ -61,17 +63,19 @@ export class Inbox {
   }
 
   /**
-   * Remove and return the complete batch proposed for one step. The durable
-   * splices are pure deletions; the caller publishes claimed notifications.
+   * Remove and return the complete batch proposed for one step, publishing
+   * each claimed message. The durable splices are pure deletions.
    * @param target - whether this boundary also consumes one queued turn.
+   * @param turn - turn that will own the claimed batch.
    * @returns next-step input followed by the queued turn, when requested.
    * @internal - the agent loop's step-boundary operation, not a plugin seam.
    */
-  claim(target: InboxTarget): UserMessage[] {
+  claim(target: InboxTarget, turn: number): UserMessage[] {
     const claimed = this.mutate('next-step', 0, this.nextStep.length, [], false)
     if (target === 'next-turn') {
       claimed.push(...this.mutate('next-turn', 0, 1, [], false))
     }
+    for (const message of claimed) this.notifications.claimed(message, turn)
     return claimed
   }
 
diff --git a/packages/core/agent/tests/agent.spec.ts b/packages/core/agent/tests/agent.spec.ts
index 8edcc74b7c..313850faa4 100644
--- a/packages/core/agent/tests/agent.spec.ts
+++ b/packages/core/agent/tests/agent.spec.ts
@@ -22,7 +22,7 @@ function stubAgent(rawId: string, overrides: Partial<Agent> = {}): Agent {
     id,
     options: {},
     session,
-    inbox: new Inbox(session, { inserted: () => {}, discarded: () => {} }),
+    inbox: new Inbox(session, { inserted: () => {}, discarded: () => {}, claimed: () => {} }),
     status: 'idle',
     ctx: new Context(),
     send: () => {},
@@ -45,7 +45,7 @@ describe('Inbox', () => {
       inserted: [],
     })
 
-    expect(() => new Inbox(session, { inserted: () => {}, discarded: () => {} }))
+    expect(() => new Inbox(session, { inserted: () => {}, discarded: () => {}, claimed: () => {} }))
       .toThrow('invalid persisted inbox splice at session seq 0')
   })
 
@@ -54,6 +54,7 @@ describe('Inbox', () => {
     const inserted: UserMessage[] = []
     const discarded: UserMessage[] = []
     const inbox = new Inbox(session, {
+      claimed: () => {},
       inserted: message => void inserted.push(message),
       discarded: message => void discarded.push(message),
     })
@@ -92,7 +93,7 @@ describe('Inbox', () => {
 
   it('normalizes splice coordinates, rejects duplicate identities, and reports missing removals', () => {
     const session = Session.create(SessionId('splice-inbox'))
-    const inbox = new Inbox(session, { inserted: () => {}, discarded: () => {} })
+    const inbox = new Inbox(session, { inserted: () => {}, discarded: () => {}, claimed: () => {} })
     const first = createUserMessage({
       content: [{ type: 'text', text: 'first' }],
       source: { kind: 'user' },
@@ -113,6 +114,7 @@ describe('Inbox', () => {
     const session = Session.create(SessionId('clear-inbox'))
     const discarded: UserMessage[] = []
     const inbox = new Inbox(session, {
+      claimed: () => {},
       inserted: () => {},
       discarded: message => void discarded.push(message),
     })
diff --git a/packages/fs/tool-str-replace-editor/tests/tools.spec.ts b/packages/fs/tool-str-replace-editor/tests/tools.spec.ts
index c3e7271a0e..01f15284de 100644
--- a/packages/fs/tool-str-replace-editor/tests/tools.spec.ts
+++ b/packages/fs/tool-str-replace-editor/tests/tools.spec.ts
@@ -33,7 +33,7 @@ function agent(ctx: Context, cwd: string): Agent {
     id,
     options: {},
     session,
-    inbox: new Inbox(session, { inserted: () => {}, discarded: () => {} }),
+    inbox: new Inbox(session, { inserted: () => {}, discarded: () => {}, claimed: () => {} }),
     status: 'idle',
     ctx: scope.ctx,
     send: () => {},
diff --git a/packages/goal/command-goal/tests/command-goal.spec.ts b/packages/goal/command-goal/tests/command-goal.spec.ts
index 9cedb2a0c6..03bf965fd6 100644
--- a/packages/goal/command-goal/tests/command-goal.spec.ts
+++ b/packages/goal/command-goal/tests/command-goal.spec.ts
@@ -20,7 +20,7 @@ interface Harness {
 function stubAgent(ctx: Context, id: string): { agent: Agent; session: Session } {
   // Store-created: the command executor durably logs lifecycle events on it.
   const session = ctx.sessions.create(SessionId(id))
-  const inbox = new Inbox(session, { inserted: () => {}, discarded: () => {} })
+  const inbox = new Inbox(session, { inserted: () => {}, discarded: () => {}, claimed: () => {} })
   let status: AgentStatus = 'idle'
   const agent: Agent = {
     id: session.id,
diff --git a/packages/goal/goal/tests/goal.spec.ts b/packages/goal/goal/tests/goal.spec.ts
index dea824a39e..58661481cf 100644
--- a/packages/goal/goal/tests/goal.spec.ts
+++ b/packages/goal/goal/tests/goal.spec.ts
@@ -24,13 +24,13 @@ function nextTurn(session: Session): number {
 
 /** Mirror the public Agent.inject contract for domain tests. */
 function appendInjection(session: Session, input: UserMessage): void {
-  new Inbox(session, { inserted: () => {}, discarded: () => {} }).append('next-step', input)
+  new Inbox(session, { inserted: () => {}, discarded: () => {}, claimed: () => {} }).append('next-step', input)
 }
 
 /** Build a registry-compatible agent around one concrete session. */
 function stubAgentForSession(session: Session): StubAgent {
   const id = session.id
-  const inbox = new Inbox(session, { inserted: () => {}, discarded: () => {} })
+  const inbox = new Inbox(session, { inserted: () => {}, discarded: () => {}, claimed: () => {} })
   const agent: Agent = {
     id,
     options: {},
@@ -554,7 +554,7 @@ describe('goal replay validation', () => {
       content: [{ type: 'text', text: 'unrelated pending context' }],
       source: { kind: 'plugin', plugin: 'test' },
     })
-    const inbox = new Inbox(session, { inserted: () => {}, discarded: () => {} })
+    const inbox = new Inbox(session, { inserted: () => {}, discarded: () => {}, claimed: () => {} })
     inbox.append('next-step', message)
     expect(inbox.remove(message.id)).toBe(true)
     expect(foldGoal(session.events)).toMatchObject({ goal: { id: change.goal.id, revision: 1 } })
diff --git a/packages/goal/goal/tests/projection.spec.ts b/packages/goal/goal/tests/projection.spec.ts
index 686b678404..7dcab0dc40 100644
--- a/packages/goal/goal/tests/projection.spec.ts
+++ b/packages/goal/goal/tests/projection.spec.ts
@@ -31,7 +31,7 @@ interface Bench {
 /** Register a minimal registry-compatible live agent over a store session. */
 function liveAgent(ctx: Context, session: Session): Agent {
   const status: AgentStatus = 'idle'
-  const inbox = new Inbox(session, { inserted: () => {}, discarded: () => {} })
+  const inbox = new Inbox(session, { inserted: () => {}, discarded: () => {}, claimed: () => {} })
   const agent: Agent = {
     id: session.id,
     options: {},
diff --git a/packages/goal/tool-goal/tests/tool-goal.spec.ts b/packages/goal/tool-goal/tests/tool-goal.spec.ts
index c87b136db7..3b1e892ec5 100644
--- a/packages/goal/tool-goal/tests/tool-goal.spec.ts
+++ b/packages/goal/tool-goal/tests/tool-goal.spec.ts
@@ -29,7 +29,7 @@ function stubAgent(rawId: string, supplied?: Session): StubAgent {
     id: session.id,
     options: {},
     session,
-    inbox: new Inbox(session, { inserted: () => {}, discarded: () => {} }),
+    inbox: new Inbox(session, { inserted: () => {}, discarded: () => {}, claimed: () => {} }),
     get status() { return status },
     ctx: new Context(),
     send: () => {},
@@ -55,7 +55,7 @@ function openTurn(stub: StubAgent, source: MessageSource, text = 'prompt'): numb
     source,
   })
   stub.agent.inbox.append('next-turn', message)
-  const claimed = stub.agent.inbox.claim('next-turn')
+  const claimed = stub.agent.inbox.claim('next-turn', turn)
   if (claimed.length === 0) throw new Error('expected queued turn input')
   stub.session.append('turn/start', { turn })
   for (const admitted of claimed) {
diff --git a/packages/host/apiproxy/tests/api-proxy-commands.spec.ts b/packages/host/apiproxy/tests/api-proxy-commands.spec.ts
index 314d992935..1ab33897e3 100644
--- a/packages/host/apiproxy/tests/api-proxy-commands.spec.ts
+++ b/packages/host/apiproxy/tests/api-proxy-commands.spec.ts
@@ -63,7 +63,7 @@ async function harness(options: { commands?: boolean; skills?: boolean } = {}):
 /** Register a live structural agent stub (api-proxy-view precedent: only id/session/status/ctx are read). */
 function stubAgent(ctx: Context, sessionId?: SessionId): Agent {
   const session = ctx.sessions.create(sessionId)
-  const inbox = new Inbox(session, { inserted: () => {}, discarded: () => {} })
+  const inbox = new Inbox(session, { inserted: () => {}, discarded: () => {}, claimed: () => {} })
   const agent = {
     id: session.id,
     session,
diff --git a/packages/host/apiproxy/tests/api-proxy-projections.spec.ts b/packages/host/apiproxy/tests/api-proxy-projections.spec.ts
index cb7729853c..a1775a8025 100644
--- a/packages/host/apiproxy/tests/api-proxy-projections.spec.ts
+++ b/packages/host/apiproxy/tests/api-proxy-projections.spec.ts
@@ -54,7 +54,7 @@ async function harness(withRegistry: boolean): Promise<{ ctx: Context; session:
   if (withRegistry) await ctx.plugin(SessionProjectionRegistry)
   const session = ctx.sessions.create()
   // The gateway reads both the session and durable inbox baseline.
-  ctx.agents.register({ id: session.id, session, inbox: new Inbox(session, { inserted: () => {}, discarded: () => {} }), status: 'idle', ctx } as Agent)
+  ctx.agents.register({ id: session.id, session, inbox: new Inbox(session, { inserted: () => {}, discarded: () => {}, claimed: () => {} }), status: 'idle', ctx } as Agent)
   return { ctx, session }
 }
 
diff --git a/packages/host/apiproxy/tests/api-proxy-workspace.spec.ts b/packages/host/apiproxy/tests/api-proxy-workspace.spec.ts
index 1aa69b1a8c..af315ffcd0 100644
--- a/packages/host/apiproxy/tests/api-proxy-workspace.spec.ts
+++ b/packages/host/apiproxy/tests/api-proxy-workspace.spec.ts
@@ -44,7 +44,7 @@ function stubAgent(session: Session): Agent {
     id: session.id,
     options: {},
     session,
-    inbox: new Inbox(session, { inserted: () => {}, discarded: () => {} }),
+    inbox: new Inbox(session, { inserted: () => {}, discarded: () => {}, claimed: () => {} }),
     status: 'idle',
     ctx: new Context(),
     send: () => {},
diff --git a/packages/pty/pty-local/tests/index.spec.ts b/packages/pty/pty-local/tests/index.spec.ts
index 2d56f5b4b0..1ad29d7d01 100644
--- a/packages/pty/pty-local/tests/index.spec.ts
+++ b/packages/pty/pty-local/tests/index.spec.ts
@@ -42,8 +42,9 @@ function agent(ctx: Context, cwd?: string): Agent {
   const id = SessionId('agent')
   const session = Session.create(id, undefined, { version: 0, id, createdAt: 0, ...cwd === undefined ? {} : { cwd } })
   return {
-    id, options: {}, session, inbox: new Inbox(session, { inserted: () => {}, discarded: () => {} }),
-    status: 'idle', ctx,
+    id, options: {}, session, inbox: new Inbox(session, { inserted: () => {}, discarded: () => {}, claimed: () => {} }),
+    status: 'idle',
+    ctx,
     send: () => {},
     followup: () => {}, steer: () => {}, inject: () => {}, cancel() {},
     runMaintenance: task => task(new AbortController().signal),
@@ -259,8 +260,9 @@ describe('pty-local plugin shape', () => {
     const session = ctx.sessions.create(SessionId('mode-owner'))
     const ownerFiber = await ctx.plugin(() => {})
     const owner: Agent = {
-      id: session.id, options: {}, session, inbox: new Inbox(session, { inserted: () => {}, discarded: () => {} }),
-      status: 'idle', ctx: ownerFiber.ctx,
+      id: session.id, options: {}, session, inbox: new Inbox(session, { inserted: () => {}, discarded: () => {}, claimed: () => {} }),
+      status: 'idle',
+      ctx: ownerFiber.ctx,
       send: () => {},
       followup: () => {}, steer: () => {}, inject: () => {}, cancel() {},
       runMaintenance: task => task(new AbortController().signal),
@@ -306,8 +308,9 @@ describe('pty-local plugin shape', () => {
     const session = ctx.sessions.create(SessionId('pending-mode-owner'))
     const ownerFiber = await ctx.plugin(() => {})
     const owner: Agent = {
-      id: session.id, options: {}, session, inbox: new Inbox(session, { inserted: () => {}, discarded: () => {} }),
-      status: 'idle', ctx: ownerFiber.ctx,
+      id: session.id, options: {}, session, inbox: new Inbox(session, { inserted: () => {}, discarded: () => {}, claimed: () => {} }),
+      status: 'idle',
+      ctx: ownerFiber.ctx,
       send: () => {},
       followup: () => {}, steer: () => {}, inject: () => {}, cancel() {},
       runMaintenance: task => task(new AbortController().signal),
diff --git a/packages/pty/pty-local/tests/local.spec.ts b/packages/pty/pty-local/tests/local.spec.ts
index f01ee72b0d..c57b0ebb8e 100644
--- a/packages/pty/pty-local/tests/local.spec.ts
+++ b/packages/pty/pty-local/tests/local.spec.ts
@@ -35,8 +35,9 @@ function stubAgent(ctx: Context, rawId: string): Agent {
   const scope = ctx.plugin(() => {})
   const session = Session.create(id)
   return {
-    id, options: {}, session, inbox: new Inbox(session, { inserted: () => {}, discarded: () => {} }),
-    status: 'idle', ctx: scope.ctx,
+    id, options: {}, session, inbox: new Inbox(session, { inserted: () => {}, discarded: () => {}, claimed: () => {} }),
+    status: 'idle',
+    ctx: scope.ctx,
     send: () => {},
     followup: () => {}, steer: () => {}, inject: () => {}, cancel() {},
     runMaintenance: task => task(new AbortController().signal),
diff --git a/packages/pty/pty/tests/service.spec.ts b/packages/pty/pty/tests/service.spec.ts
index e677325289..0301de837a 100644
--- a/packages/pty/pty/tests/service.spec.ts
+++ b/packages/pty/pty/tests/service.spec.ts
@@ -26,7 +26,7 @@ function stubAgent(ctx: Context, rawId: string): Agent {
     id,
     options: {},
     session,
-    inbox: new Inbox(session, { inserted: () => {}, discarded: () => {} }),
+    inbox: new Inbox(session, { inserted: () => {}, discarded: () => {}, claimed: () => {} }),
     status: 'idle',
     ctx: scopeFiber.ctx,
     send: () => {},
diff --git a/packages/pty/tool-bash-persistent/tests/loader-composition.spec.ts b/packages/pty/tool-bash-persistent/tests/loader-composition.spec.ts
index cd1ac8f3b7..16c4a7fea5 100644
--- a/packages/pty/tool-bash-persistent/tests/loader-composition.spec.ts
+++ b/packages/pty/tool-bash-persistent/tests/loader-composition.spec.ts
@@ -43,7 +43,7 @@ function agent(ctx: Context, cwd: string): Agent {
     id,
     options: {},
     session,
-    inbox: new Inbox(session, { inserted: () => {}, discarded: () => {} }),
+    inbox: new Inbox(session, { inserted: () => {}, discarded: () => {}, claimed: () => {} }),
     status: 'idle',
     ctx: scope.ctx,
     send: () => {},
diff --git a/packages/pty/tool-bash-persistent/tests/tools.spec.ts b/packages/pty/tool-bash-persistent/tests/tools.spec.ts
index 81a60be733..7b789cbd1f 100644
--- a/packages/pty/tool-bash-persistent/tests/tools.spec.ts
+++ b/packages/pty/tool-bash-persistent/tests/tools.spec.ts
@@ -39,7 +39,7 @@ function agent(ctx: Context, cwd: string | undefined): Agent {
     id,
     options: {},
     session,
-    inbox: new Inbox(session, { inserted: () => {}, discarded: () => {} }),
+    inbox: new Inbox(session, { inserted: () => {}, discarded: () => {}, claimed: () => {} }),
     status: 'idle',
     ctx: scope.ctx,
     send: () => {},
diff --git a/packages/pty/tool-pty/tests/loader-composition.spec.ts b/packages/pty/tool-pty/tests/loader-composition.spec.ts
index fb87f5d1bf..835df86abc 100644
--- a/packages/pty/tool-pty/tests/loader-composition.spec.ts
+++ b/packages/pty/tool-pty/tests/loader-composition.spec.ts
@@ -40,8 +40,9 @@ function agent(ctx: Context): Agent {
   const id = SessionId('pty-loader-agent')
   const session = Session.create(id)
   const value: Agent = {
-    id, options: {}, session, inbox: new Inbox(session, { inserted: () => {}, discarded: () => {} }),
-    status: 'idle', ctx: scope.ctx,
+    id, options: {}, session, inbox: new Inbox(session, { inserted: () => {}, discarded: () => {}, claimed: () => {} }),
+    status: 'idle',
+    ctx: scope.ctx,
     send: () => {},
     followup: () => {}, steer: () => {}, inject: () => {}, cancel() {},
     runMaintenance: task => task(new AbortController().signal),
diff --git a/packages/pty/tool-pty/tests/tools.spec.ts b/packages/pty/tool-pty/tests/tools.spec.ts
index 96fc2e1030..235aad0e02 100644
--- a/packages/pty/tool-pty/tests/tools.spec.ts
+++ b/packages/pty/tool-pty/tests/tools.spec.ts
@@ -18,8 +18,9 @@ function fakeAgent(ctx: Context, rawId: string): Agent {
   const id = SessionId(rawId)
   const session = Session.create(id)
   const agent: Agent = {
-    id, options: {}, session, inbox: new Inbox(session, { inserted: () => {}, discarded: () => {} }),
-    status: 'idle', ctx: scope.ctx,
+    id, options: {}, session, inbox: new Inbox(session, { inserted: () => {}, discarded: () => {}, claimed: () => {} }),
+    status: 'idle',
+    ctx: scope.ctx,
     send: () => {},
     followup: () => {}, steer: () => {}, inject: () => {}, cancel() {},
     runMaintenance: task => task(new AbortController().signal),
diff --git a/packages/skill/tool-skill/tests/tool-skill.spec.ts b/packages/skill/tool-skill/tests/tool-skill.spec.ts
index eabccb9b5c..c3562564a0 100644
--- a/packages/skill/tool-skill/tests/tool-skill.spec.ts
+++ b/packages/skill/tool-skill/tests/tool-skill.spec.ts
@@ -44,7 +44,7 @@ function agentForCwd(cwd: string): Agent {
     id,
     options: {},
     session,
-    inbox: new Inbox(session, { inserted: () => {}, discarded: () => {} }),
+    inbox: new Inbox(session, { inserted: () => {}, discarded: () => {}, claimed: () => {} }),
     status: 'idle',
     send: () => {},
     followup: () => {},
@@ -61,7 +61,7 @@ function sessionAgent(session: Session, id = 'tool-skill-agent'): Agent {
     id: SessionId(id),
     options: {},
     session,
-    inbox: new Inbox(session, { inserted: () => {}, discarded: () => {} }),
+    inbox: new Inbox(session, { inserted: () => {}, discarded: () => {}, claimed: () => {} }),
     status: 'running',
     ctx: new Context(),
     send: () => {},
diff --git a/packages/tasks/tasks-local/tests/tasks.spec.ts b/packages/tasks/tasks-local/tests/tasks.spec.ts
index 4f6e6e2ce8..29d859760f 100644
--- a/packages/tasks/tasks-local/tests/tasks.spec.ts
+++ b/packages/tasks/tasks-local/tests/tasks.spec.ts
@@ -23,7 +23,7 @@ function stubAgent(ctx: Context, rawId: string): Agent {
     id,
     options: {},
     session,
-    inbox: new Inbox(session, { inserted: () => {}, discarded: () => {} }),
+    inbox: new Inbox(session, { inserted: () => {}, discarded: () => {}, claimed: () => {} }),
     status: 'idle' as const,
     ctx: scopeFiber.ctx,
     send: () => {},