diff --git a/assistant/src/__tests__/__snapshots__/ipc-snapshot.test.ts.snap b/assistant/src/__tests__/__snapshots__/ipc-snapshot.test.ts.snap
index f858561b64f..2ff5da1bd86 100644
--- a/assistant/src/__tests__/__snapshots__/ipc-snapshot.test.ts.snap
+++ b/assistant/src/__tests__/__snapshots__/ipc-snapshot.test.ts.snap
@@ -2499,3 +2499,13 @@ exports[`IPC message snapshots ServerMessage types tool_names_list_response seri
   "type": "tool_names_list_response",
 }
 `;
+
+exports[`IPC message snapshots ClientMessage types cu_session_finalized serializes to expected JSON 1`] = `
+{
+  "sessionId": "cu-sess-001",
+  "status": "completed",
+  "stepCount": 5,
+  "summary": "Task completed successfully",
+  "type": "cu_session_finalized",
+}
+`;
diff --git a/assistant/src/__tests__/ipc-snapshot.test.ts b/assistant/src/__tests__/ipc-snapshot.test.ts
index 12c66cbd4bd..090bbc708dc 100644
--- a/assistant/src/__tests__/ipc-snapshot.test.ts
+++ b/assistant/src/__tests__/ipc-snapshot.test.ts
@@ -104,6 +104,13 @@ const clientMessages: Record<ClientMessageType, ClientMessage> = {
     type: 'cu_session_abort',
     sessionId: 'cu-sess-001',
   },
+  cu_session_finalized: {
+    type: 'cu_session_finalized',
+    sessionId: 'cu-sess-001',
+    status: 'completed',
+    summary: 'Task completed successfully',
+    stepCount: 5,
+  },
   cu_observation: {
     type: 'cu_observation',
     sessionId: 'cu-sess-001',
diff --git a/assistant/src/daemon/handlers/computer-use.ts b/assistant/src/daemon/handlers/computer-use.ts
index 0567047da6e..c8da4d2fd58 100644
--- a/assistant/src/daemon/handlers/computer-use.ts
+++ b/assistant/src/daemon/handlers/computer-use.ts
@@ -7,6 +7,7 @@ import { readBlob, deleteBlob, validateBlobKindEncoding } from '../ipc-blob-stor
 import type {
   CuSessionCreate,
   CuSessionAbort,
+  CuSessionFinalized,
   CuObservation,
   ServerMessage,
 } from '../ipc-protocol.js';
@@ -180,8 +181,27 @@ export async function handleCuObservation(
   });
 }
 
+export function handleCuSessionFinalized(
+  msg: CuSessionFinalized,
+  _socket: net.Socket,
+  _ctx: HandlerContext,
+): void {
+  log.info(
+    {
+      sessionId: msg.sessionId,
+      status: msg.status,
+      stepCount: msg.stepCount,
+      hasRecording: !!msg.recording,
+      recordingSizeBytes: msg.recording?.sizeBytes,
+      recordingDurationMs: msg.recording?.durationMs,
+    },
+    'CU session finalized by client',
+  );
+}
+
 export const computerUseHandlers = defineHandlers({
   cu_session_create: handleCuSessionCreate,
   cu_session_abort: handleCuSessionAbort,
+  cu_session_finalized: handleCuSessionFinalized,
   cu_observation: handleCuObservation,
 });
diff --git a/assistant/src/daemon/ipc-contract-inventory.json b/assistant/src/daemon/ipc-contract-inventory.json
index 1e0e4765593..3919340003e 100644
--- a/assistant/src/daemon/ipc-contract-inventory.json
+++ b/assistant/src/daemon/ipc-contract-inventory.json
@@ -23,6 +23,7 @@
     "CuObservation",
     "CuSessionAbort",
     "CuSessionCreate",
+    "CuSessionFinalized",
     "DeleteQueuedMessage",
     "DiagnosticsExportRequest",
     "DocumentListRequest",
@@ -272,6 +273,7 @@
     "cu_observation",
     "cu_session_abort",
     "cu_session_create",
+    "cu_session_finalized",
     "delete_queued_message",
     "diagnostics_export_request",
     "document_list",
diff --git a/assistant/src/daemon/ipc-contract.ts b/assistant/src/daemon/ipc-contract.ts
index c449de86855..836e9c1c316 100644
--- a/assistant/src/daemon/ipc-contract.ts
+++ b/assistant/src/daemon/ipc-contract.ts
@@ -169,6 +169,10 @@ export interface CuSessionCreate {
   screenHeight: number;
   attachments?: UserMessageAttachment[];
   interactionType?: 'computer_use' | 'text_qa';
+  /** Origin chat session for result injection (QA workflow). */
+  reportToSessionId?: string;
+  /** Marks this CU run as a QA/test workflow. */
+  qaMode?: boolean;
 }
 
 export interface CuSessionAbort {
@@ -176,6 +180,26 @@ export interface CuSessionAbort {
   sessionId: string;
 }
 
+export interface CuSessionFinalized {
+  type: 'cu_session_finalized';
+  sessionId: string;
+  status: 'completed' | 'responded' | 'failed' | 'cancelled';
+  summary: string;
+  stepCount: number;
+  recording?: {
+    localPath: string;
+    mimeType: 'video/mp4';
+    sizeBytes: number;
+    durationMs: number;
+    width: number;
+    height: number;
+    captureScope: 'window' | 'display';
+    includeAudio: boolean;
+    targetBundleId?: string;
+    expiresAt?: number;
+  };
+}
+
 export interface CuObservation {
   type: 'cu_observation';
   sessionId: string;
@@ -1028,6 +1052,7 @@ export type ClientMessage =
   | SandboxSetRequest
   | CuSessionCreate
   | CuSessionAbort
+  | CuSessionFinalized
   | CuObservation
   | RideShotgunStart
   | RideShotgunStop
diff --git a/clients/shared/IPC/Generated/IPCContractGenerated.swift b/clients/shared/IPC/Generated/IPCContractGenerated.swift
index 5dc945b9958..ce61b4d21e8 100644
--- a/clients/shared/IPC/Generated/IPCContractGenerated.swift
+++ b/clients/shared/IPC/Generated/IPCContractGenerated.swift
@@ -476,6 +476,32 @@ public struct IPCCuSessionCreate: Codable, Sendable {
     public let screenHeight: Int
     public let attachments: [IPCUserMessageAttachment]?
     public let interactionType: String?
+    /// Origin chat session for result injection (QA workflow).
+    public let reportToSessionId: String?
+    /// Marks this CU run as a QA/test workflow.
+    public let qaMode: Bool?
+}
+
+public struct IPCCuSessionFinalized: Codable, Sendable {
+    public let type: String
+    public let sessionId: String
+    public let status: String
+    public let summary: String
+    public let stepCount: Int
+    public let recording: IPCCuSessionFinalizedRecording?
+}
+
+public struct IPCCuSessionFinalizedRecording: Codable, Sendable {
+    public let localPath: String
+    public let mimeType: String
+    public let sizeBytes: Int
+    public let durationMs: Double
+    public let width: Int
+    public let height: Int
+    public let captureScope: String
+    public let includeAudio: Bool
+    public let targetBundleId: String?
+    public let expiresAt: Int?
 }
 
 public struct IPCDaemonStatusMessage: Codable, Sendable {