diff --git a/extensions/qa-channel/api.ts b/extensions/qa-channel/api.ts
index d3f235c7226..813fe53ae3a 100644
--- a/extensions/qa-channel/api.ts
+++ b/extensions/qa-channel/api.ts
@@ -2,3 +2,4 @@ export * from "./src/accounts.js";
 export * from "./src/channel.js";
 export * from "./src/channel-actions.js";
 export * from "./src/runtime.js";
+export * from "./test-api.js";
diff --git a/extensions/qa-lab/api.ts b/extensions/qa-lab/api.ts
new file mode 100644
index 00000000000..5f2fd7473e6
--- /dev/null
+++ b/extensions/qa-lab/api.ts
@@ -0,0 +1,10 @@
+export * from "./src/bus-queries.js";
+export * from "./src/bus-server.js";
+export * from "./src/bus-state.js";
+export * from "./src/bus-waiters.js";
+export * from "./src/harness-runtime.js";
+export * from "./src/lab-server.js";
+export * from "./src/report.js";
+export * from "./src/scenario.js";
+export * from "./src/self-check-scenario.js";
+export * from "./src/self-check.js";
diff --git a/extensions/qa-lab/index.ts b/extensions/qa-lab/index.ts
new file mode 100644
index 00000000000..4ade2a4e87f
--- /dev/null
+++ b/extensions/qa-lab/index.ts
@@ -0,0 +1,24 @@
+import { definePluginEntry } from "./runtime-api.js";
+import { registerQaLabCli } from "./src/cli.js";
+
+export default definePluginEntry({
+  id: "qa-lab",
+  name: "QA Lab",
+  description: "Private QA automation harness and debugger UI",
+  register(api) {
+    api.registerCli(
+      async ({ program }) => {
+        registerQaLabCli(program);
+      },
+      {
+        descriptors: [
+          {
+            name: "qa",
+            description: "Run QA scenarios and launch the private QA debugger UI",
+            hasSubcommands: true,
+          },
+        ],
+      },
+    );
+  },
+});
diff --git a/extensions/qa-lab/openclaw.plugin.json b/extensions/qa-lab/openclaw.plugin.json
new file mode 100644
index 00000000000..3f61b2435ce
--- /dev/null
+++ b/extensions/qa-lab/openclaw.plugin.json
@@ -0,0 +1,8 @@
+{
+  "id": "qa-lab",
+  "configSchema": {
+    "type": "object",
+    "additionalProperties": false,
+    "properties": {}
+  }
+}
diff --git a/extensions/qa-lab/package.json b/extensions/qa-lab/package.json
new file mode 100644
index 00000000000..8c236a65e65
--- /dev/null
+++ b/extensions/qa-lab/package.json
@@ -0,0 +1,31 @@
+{
+  "name": "@openclaw/qa-lab",
+  "version": "2026.4.4",
+  "private": true,
+  "description": "OpenClaw QA lab plugin with private debugger UI and scenario runner",
+  "type": "module",
+  "devDependencies": {
+    "openclaw": "workspace:*"
+  },
+  "peerDependencies": {
+    "openclaw": ">=2026.4.4"
+  },
+  "peerDependenciesMeta": {
+    "openclaw": {
+      "optional": true
+    }
+  },
+  "openclaw": {
+    "extensions": [
+      "./index.ts"
+    ],
+    "install": {
+      "npmSpec": "@openclaw/qa-lab",
+      "defaultChoice": "npm",
+      "minHostVersion": ">=2026.4.4"
+    },
+    "compat": {
+      "pluginApi": ">=2026.4.4"
+    }
+  }
+}
diff --git a/extensions/qa-lab/runtime-api.ts b/extensions/qa-lab/runtime-api.ts
new file mode 100644
index 00000000000..801051438fb
--- /dev/null
+++ b/extensions/qa-lab/runtime-api.ts
@@ -0,0 +1 @@
+export * from "./src/runtime-api.js";
diff --git a/extensions/qa-lab/src/bus-queries.ts b/extensions/qa-lab/src/bus-queries.ts
new file mode 100644
index 00000000000..ec6d449dab3
--- /dev/null
+++ b/extensions/qa-lab/src/bus-queries.ts
@@ -0,0 +1,137 @@
+import type {
+  QaBusConversation,
+  QaBusEvent,
+  QaBusMessage,
+  QaBusPollInput,
+  QaBusPollResult,
+  QaBusReadMessageInput,
+  QaBusSearchMessagesInput,
+  QaBusStateSnapshot,
+  QaBusThread,
+} from "./runtime-api.js";
+
+export const DEFAULT_ACCOUNT_ID = "default";
+
+export function normalizeAccountId(raw?: string): string {
+  const trimmed = raw?.trim();
+  return trimmed || DEFAULT_ACCOUNT_ID;
+}
+
+export function normalizeConversationFromTarget(target: string): {
+  conversation: QaBusConversation;
+  threadId?: string;
+} {
+  const trimmed = target.trim();
+  if (trimmed.startsWith("thread:")) {
+    const rest = trimmed.slice("thread:".length);
+    const slash = rest.indexOf("/");
+    if (slash > 0) {
+      return {
+        conversation: { id: rest.slice(0, slash), kind: "channel" },
+        threadId: rest.slice(slash + 1),
+      };
+    }
+  }
+  if (trimmed.startsWith("channel:")) {
+    return {
+      conversation: { id: trimmed.slice("channel:".length), kind: "channel" },
+    };
+  }
+  if (trimmed.startsWith("dm:")) {
+    return {
+      conversation: { id: trimmed.slice("dm:".length), kind: "direct" },
+    };
+  }
+  return {
+    conversation: { id: trimmed, kind: "direct" },
+  };
+}
+
+export function cloneMessage(message: QaBusMessage): QaBusMessage {
+  return {
+    ...message,
+    conversation: { ...message.conversation },
+    reactions: message.reactions.map((reaction) => ({ ...reaction })),
+  };
+}
+
+export function cloneEvent(event: QaBusEvent): QaBusEvent {
+  switch (event.kind) {
+    case "inbound-message":
+    case "outbound-message":
+    case "message-edited":
+    case "message-deleted":
+    case "reaction-added":
+      return { ...event, message: cloneMessage(event.message) };
+    case "thread-created":
+      return { ...event, thread: { ...event.thread } };
+  }
+}
+
+export function buildQaBusSnapshot(params: {
+  cursor: number;
+  conversations: Map<string, QaBusConversation>;
+  threads: Map<string, QaBusThread>;
+  messages: Map<string, QaBusMessage>;
+  events: QaBusEvent[];
+}): QaBusStateSnapshot {
+  return {
+    cursor: params.cursor,
+    conversations: Array.from(params.conversations.values()).map((conversation) => ({
+      ...conversation,
+    })),
+    threads: Array.from(params.threads.values()).map((thread) => ({ ...thread })),
+    messages: Array.from(params.messages.values()).map((message) => cloneMessage(message)),
+    events: params.events.map((event) => cloneEvent(event)),
+  };
+}
+
+export function readQaBusMessage(params: {
+  messages: Map<string, QaBusMessage>;
+  input: QaBusReadMessageInput;
+}) {
+  const message = params.messages.get(params.input.messageId);
+  if (!message) {
+    throw new Error(`qa-bus message not found: ${params.input.messageId}`);
+  }
+  return cloneMessage(message);
+}
+
+export function searchQaBusMessages(params: {
+  messages: Map<string, QaBusMessage>;
+  input: QaBusSearchMessagesInput;
+}) {
+  const accountId = normalizeAccountId(params.input.accountId);
+  const limit = Math.max(1, Math.min(params.input.limit ?? 20, 100));
+  const query = params.input.query?.trim().toLowerCase();
+  return Array.from(params.messages.values())
+    .filter((message) => message.accountId === accountId)
+    .filter((message) =>
+      params.input.conversationId ? message.conversation.id === params.input.conversationId : true,
+    )
+    .filter((message) =>
+      params.input.threadId ? message.threadId === params.input.threadId : true,
+    )
+    .filter((message) => (query ? message.text.toLowerCase().includes(query) : true))
+    .slice(-limit)
+    .map((message) => cloneMessage(message));
+}
+
+export function pollQaBusEvents(params: {
+  events: QaBusEvent[];
+  cursor: number;
+  input?: QaBusPollInput;
+}): QaBusPollResult {
+  const accountId = normalizeAccountId(params.input?.accountId);
+  const startCursor = params.input?.cursor ?? 0;
+  const effectiveStartCursor = params.cursor < startCursor ? 0 : startCursor;
+  const limit = Math.max(1, Math.min(params.input?.limit ?? 100, 500));
+  const matches = params.events
+    .filter((event) => event.accountId === accountId && event.cursor > effectiveStartCursor)
+    .slice(0, limit)
+    .map((event) => cloneEvent(event));
+  return {
+    cursor: params.cursor,
+    events: matches,
+  };
+}
diff --git a/extensions/qa-lab/src/bus-server.ts b/extensions/qa-lab/src/bus-server.ts
new file mode 100644
index 00000000000..32580f4ab4f
--- /dev/null
+++ b/extensions/qa-lab/src/bus-server.ts
@@ -0,0 +1,179 @@
+import { createServer, type IncomingMessage, type Server, type ServerResponse } from "node:http";
+import type { QaBusState } from "./bus-state.js";
+import type {
+  QaBusCreateThreadInput,
+  QaBusDeleteMessageInput,
+  QaBusEditMessageInput,
+  QaBusInboundMessageInput,
+  QaBusOutboundMessageInput,
+  QaBusPollInput,
+  QaBusReactToMessageInput,
+  QaBusReadMessageInput,
+  QaBusSearchMessagesInput,
+  QaBusWaitForInput,
+} from "./runtime-api.js";
+
+async function readJson(req: IncomingMessage): Promise<unknown> {
+  const chunks: Buffer[] = [];
+  for await (const chunk of req) {
+    chunks.push(Buffer.isBuffer(chunk) ? chunk : Buffer.from(chunk));
+  }
+  const text = Buffer.concat(chunks).toString("utf8").trim();
+  return text ? (JSON.parse(text) as unknown) : {};
+}
+
+export function writeJson(res: ServerResponse, statusCode: number, body: unknown) {
+  const payload = JSON.stringify(body);
+  res.writeHead(statusCode, {
+    "content-type": "application/json; charset=utf-8",
+    "content-length": Buffer.byteLength(payload),
+  });
+  res.end(payload);
+}
+
+export function writeError(res: ServerResponse, statusCode: number, error: unknown) {
+  writeJson(res, statusCode, {
+    error: error instanceof Error ? error.message : String(error),
+  });
+}
+
+export async function handleQaBusRequest(params: {
+  req: IncomingMessage;
+  res: ServerResponse;
+  state: QaBusState;
+}): Promise<boolean> {
+  const method = params.req.method ?? "GET";
+  const url = new URL(params.req.url ?? "/", "http://127.0.0.1");
+
+  if (method === "GET" && url.pathname === "/health") {
+    writeJson(params.res, 200, { ok: true });
+    return true;
+  }
+
+  if (method === "GET" && url.pathname === "/v1/state") {
+    writeJson(params.res, 200, params.state.getSnapshot());
+    return true;
+  }
+
+  if (!url.pathname.startsWith("/v1/")) {
+    return false;
+  }
+
+  if (method !== "POST") {
+    writeError(params.res, 405, "method not allowed");
+    return true;
+  }
+
+  const body = (await readJson(params.req)) as Record<string, unknown>;
+
+  try {
+    switch (url.pathname) {
+      case "/v1/reset":
+        params.state.reset();
+        writeJson(params.res, 200, { ok: true });
+        return true;
+      case "/v1/inbound/message":
+        writeJson(params.res, 200, {
+          message: params.state.addInboundMessage(body as unknown as QaBusInboundMessageInput),
+        });
+        return true;
+      case "/v1/outbound/message":
+        writeJson(params.res, 200, {
+          message: params.state.addOutboundMessage(body as unknown as QaBusOutboundMessageInput),
+        });
+        return true;
+      case "/v1/actions/thread-create":
+        writeJson(params.res, 200, {
+          thread: params.state.createThread(body as unknown as QaBusCreateThreadInput),
+        });
+        return true;
+      case "/v1/actions/react":
+        writeJson(params.res, 200, {
+          message: params.state.reactToMessage(body as unknown as QaBusReactToMessageInput),
+        });
+        return true;
+      case "/v1/actions/edit":
+        writeJson(params.res, 200, {
+          message: params.state.editMessage(body as unknown as QaBusEditMessageInput),
+        });
+        return true;
+      case "/v1/actions/delete":
+        writeJson(params.res, 200, {
+          message: params.state.deleteMessage(body as unknown as QaBusDeleteMessageInput),
+        });
+        return true;
+      case "/v1/actions/read":
+        writeJson(params.res, 200, {
+          message: params.state.readMessage(body as unknown as QaBusReadMessageInput),
+        });
+        return true;
+      case "/v1/actions/search":
+        writeJson(params.res, 200, {
+          messages: params.state.searchMessages(body as unknown as QaBusSearchMessagesInput),
+        });
+        return true;
+      case "/v1/poll": {
+        const input = body as unknown as QaBusPollInput;
+        const timeoutMs = Math.max(0, Math.min(input.timeoutMs ?? 0, 30_000));
+        const initial = params.state.poll(input);
+        if (initial.events.length > 0 || timeoutMs === 0) {
+          writeJson(params.res, 200, initial);
+          return true;
+        }
+        try {
+          await params.state.waitFor({
+            kind: "event-kind",
+            eventKind: "inbound-message",
+            timeoutMs,
+          });
+        } catch {
+          // timeout ok for long-poll
+        }
+        writeJson(params.res, 200, params.state.poll(input));
+        return true;
+      }
+      case "/v1/wait":
+        writeJson(params.res, 200, {
+          match: await params.state.waitFor(body as unknown as QaBusWaitForInput),
+        });
+        return true;
+      default:
+        writeError(params.res, 404, "not found");
+        return true;
+    }
+  } catch (error) {
+    writeError(params.res, 400, error);
+    return true;
+  }
+}
+
+export function createQaBusServer(state: QaBusState): Server {
+  return createServer(async (req, res) => {
+    const handled = await handleQaBusRequest({ req, res, state });
+    if (!handled) {
+      writeError(res, 404, "not found");
+    }
+  });
+}
+
+export async function startQaBusServer(params: { state: QaBusState; port?: number }) {
+  const server = createQaBusServer(params.state);
+  await new Promise<void>((resolve, reject) => {
+    server.once("error", reject);
+    server.listen(params.port ?? 0, "127.0.0.1", () => resolve());
+  });
+  const address = server.address();
+  if (!address || typeof address === "string") {
+    throw new Error("qa-bus failed to bind");
+  }
+  return {
+    server,
+    port: address.port,
+    baseUrl: `http://127.0.0.1:${address.port}`,
+    async stop() {
+      await new Promise<void>((resolve, reject) =>
+        server.close((error) => (error ? reject(error) : resolve())),
+      );
+    },
+  };
+}
diff --git a/extensions/qa-lab/src/bus-state.ts b/extensions/qa-lab/src/bus-state.ts
new file mode 100644
index 00000000000..6beddca6734
--- /dev/null
+++ b/extensions/qa-lab/src/bus-state.ts
@@ -0,0 +1,257 @@
+import { randomUUID } from "node:crypto";
+import {
+  buildQaBusSnapshot,
+  cloneMessage,
+  normalizeAccountId,
+  normalizeConversationFromTarget,
+  pollQaBusEvents,
+  readQaBusMessage,
+  searchQaBusMessages,
+} from "./bus-queries.js";
+import { createQaBusWaiterStore } from "./bus-waiters.js";
+import type {
+  QaBusConversation,
+  QaBusCreateThreadInput,
+  QaBusDeleteMessageInput,
+  QaBusEditMessageInput,
+  QaBusEvent,
+  QaBusInboundMessageInput,
+  QaBusMessage,
+  QaBusOutboundMessageInput,
+  QaBusPollInput,
+  QaBusReadMessageInput,
+  QaBusReactToMessageInput,
+  QaBusSearchMessagesInput,
+  QaBusThread,
+  QaBusWaitForInput,
+} from "./runtime-api.js";
+
+const DEFAULT_BOT_ID = "openclaw";
+const DEFAULT_BOT_NAME = "OpenClaw QA";
+
+type QaBusEventSeed =
+  | Omit<Extract<QaBusEvent, { kind: "inbound-message" }>, "cursor">
+  | Omit<Extract<QaBusEvent, { kind: "outbound-message" }>, "cursor">
+  | Omit<Extract<QaBusEvent, { kind: "thread-created" }>, "cursor">
+  | Omit<Extract<QaBusEvent, { kind: "message-edited" }>, "cursor">
+  | Omit<Extract<QaBusEvent, { kind: "message-deleted" }>, "cursor">
+  | Omit<Extract<QaBusEvent, { kind: "reaction-added" }>, "cursor">;
+
+export function createQaBusState() {
+  const conversations = new Map<string, QaBusConversation>();
+  const threads = new Map<string, QaBusThread>();
+  const messages = new Map<string, QaBusMessage>();
+  const events: QaBusEvent[] = [];
+  let cursor = 0;
+  const waiters = createQaBusWaiterStore(() =>
+    buildQaBusSnapshot({
+      cursor,
+      conversations,
+      threads,
+      messages,
+      events,
+    }),
+  );
+
+  const pushEvent = (event: QaBusEventSeed | ((cursor: number) => QaBusEventSeed)): QaBusEvent => {
+    cursor += 1;
+    const next = typeof event === "function" ? event(cursor) : event;
+    const finalized = { cursor, ...next } as QaBusEvent;
+    events.push(finalized);
+    waiters.settle();
+    return finalized;
+  };
+
+  const ensureConversation = (conversation: QaBusConversation): QaBusConversation => {
+    const existing = conversations.get(conversation.id);
+    if (existing) {
+      if (!existing.title && conversation.title) {
+        existing.title = conversation.title;
+      }
+      return existing;
+    }
+    const created = { ...conversation };
+    conversations.set(created.id, created);
+    return created;
+  };
+
+  const createMessage = (params: {
+    direction: QaBusMessage["direction"];
+    accountId: string;
+    conversation: QaBusConversation;
+    senderId: string;
+    senderName?: string;
+    text: string;
+    timestamp?: number;
+    threadId?: string;
+    threadTitle?: string;
+    replyToId?: string;
+  }): QaBusMessage => {
+    const conversation = ensureConversation(params.conversation);
+    const message: QaBusMessage = {
+      id: randomUUID(),
+      accountId: params.accountId,
+      direction: params.direction,
+      conversation,
+      senderId: params.senderId,
+      senderName: params.senderName,
+      text: params.text,
+      timestamp: params.timestamp ?? Date.now(),
+      threadId: params.threadId,
+      threadTitle: params.threadTitle,
+      replyToId: params.replyToId,
+      reactions: [],
+    };
+    messages.set(message.id, message);
+    return message;
+  };
+
+  return {
+    reset() {
+      conversations.clear();
+      threads.clear();
+      messages.clear();
+      events.length = 0;
+      // Keep the cursor monotonic across resets so long-poll clients do not
+      // miss fresh events after the bus is cleared mid-session.
+      waiters.reset();
+    },
+    getSnapshot() {
+      return buildQaBusSnapshot({
+        cursor,
+        conversations,
+        threads,
+        messages,
+        events,
+      });
+    },
+    addInboundMessage(input: QaBusInboundMessageInput) {
+      const accountId = normalizeAccountId(input.accountId);
+      const message = createMessage({
+        direction: "inbound",
+        accountId,
+        conversation: input.conversation,
+        senderId: input.senderId,
+        senderName: input.senderName,
+        text: input.text,
+        timestamp: input.timestamp,
+        threadId: input.threadId,
+        threadTitle: input.threadTitle,
+        replyToId: input.replyToId,
+      });
+      pushEvent({
+        kind: "inbound-message",
+        accountId,
+        message: cloneMessage(message),
+      });
+      return cloneMessage(message);
+    },
+    addOutboundMessage(input: QaBusOutboundMessageInput) {
+      const accountId = normalizeAccountId(input.accountId);
+      const { conversation, threadId } = normalizeConversationFromTarget(input.to);
+      const message = createMessage({
+        direction: "outbound",
+        accountId,
+        conversation,
+        senderId: input.senderId?.trim() || DEFAULT_BOT_ID,
+        senderName: input.senderName?.trim() || DEFAULT_BOT_NAME,
+        text: input.text,
+        timestamp: input.timestamp,
+        threadId: input.threadId ?? threadId,
+        replyToId: input.replyToId,
+      });
+      pushEvent({
+        kind: "outbound-message",
+        accountId,
+        message: cloneMessage(message),
+      });
+      return cloneMessage(message);
+    },
+    createThread(input: QaBusCreateThreadInput) {
+      const accountId = normalizeAccountId(input.accountId);
+      const thread: QaBusThread = {
+        id: `thread-${randomUUID()}`,
+        accountId,
+        conversationId: input.conversationId,
+        title: input.title,
+        createdAt: input.timestamp ?? Date.now(),
+        createdBy: input.createdBy?.trim() || DEFAULT_BOT_ID,
+      };
+      threads.set(thread.id, thread);
+      ensureConversation({
+        id: input.conversationId,
+        kind: "channel",
+      });
+      pushEvent({
+        kind: "thread-created",
+        accountId,
+        thread: { ...thread },
+      });
+      return { ...thread };
+    },
+    reactToMessage(input: QaBusReactToMessageInput) {
+      const accountId = normalizeAccountId(input.accountId);
+      const message = messages.get(input.messageId);
+      if (!message) {
+        throw new Error(`qa-bus message not found: ${input.messageId}`);
+      }
+      const reaction = {
+        emoji: input.emoji,
+        senderId: input.senderId?.trim() || DEFAULT_BOT_ID,
+        timestamp: input.timestamp ?? Date.now(),
+      };
+      message.reactions.push(reaction);
+      pushEvent({
+        kind: "reaction-added",
+        accountId,
+        message: cloneMessage(message),
+        emoji: reaction.emoji,
+        senderId: reaction.senderId,
+      });
+      return cloneMessage(message);
+    },
+    editMessage(input: QaBusEditMessageInput) {
+      const accountId = normalizeAccountId(input.accountId);
+      const message = messages.get(input.messageId);
+      if (!message) {
+        throw new Error(`qa-bus message not found: ${input.messageId}`);
+      }
+      message.text = input.text;
+      message.editedAt = input.timestamp ?? Date.now();
+      pushEvent({
+        kind: "message-edited",
+        accountId,
+        message: cloneMessage(message),
+      });
+      return cloneMessage(message);
+    },
+    deleteMessage(input: QaBusDeleteMessageInput) {
+      const accountId = normalizeAccountId(input.accountId);
+      const message = messages.get(input.messageId);
+      if (!message) {
+        throw new Error(`qa-bus message not found: ${input.messageId}`);
+      }
+      message.deleted = true;
+      pushEvent({
+        kind: "message-deleted",
+        accountId,
+        message: cloneMessage(message),
+      });
+      return cloneMessage(message);
+    },
+    readMessage(input: QaBusReadMessageInput) {
+      return readQaBusMessage({ messages, input });
+    },
+    searchMessages(input: QaBusSearchMessagesInput) {
+      return searchQaBusMessages({ messages, input });
+    },
+    poll(input: QaBusPollInput = {}) {
+      return pollQaBusEvents({ events, cursor, input });
+    },
+    async waitFor(input: QaBusWaitForInput) {
+      return await waiters.waitFor(input);
+    },
+  };
+}
+
+export type QaBusState = ReturnType<typeof createQaBusState>;
diff --git a/extensions/qa-lab/src/bus-waiters.ts b/extensions/qa-lab/src/bus-waiters.ts
new file mode 100644
index 00000000000..1d6c15671f6
--- /dev/null
+++ b/extensions/qa-lab/src/bus-waiters.ts
@@ -0,0 +1,87 @@
+import type {
+  QaBusEvent,
+  QaBusMessage,
+  QaBusStateSnapshot,
+  QaBusThread,
+  QaBusWaitForInput,
+} from "./runtime-api.js";
+
+export const DEFAULT_WAIT_TIMEOUT_MS = 5_000;
+
+export type QaBusWaitMatch = QaBusEvent | QaBusMessage | QaBusThread;
+
+type Waiter = {
+  resolve: (event: QaBusWaitMatch) => void;
+  reject: (error: Error) => void;
+  timer: NodeJS.Timeout;
+  matcher: (snapshot: QaBusStateSnapshot) => QaBusWaitMatch | null;
+};
+
+function createQaBusMatcher(
+  input: QaBusWaitForInput,
+): (snapshot: QaBusStateSnapshot) => QaBusWaitMatch | null {
+  return (snapshot) => {
+    if (input.kind === "event-kind") {
+      return snapshot.events.find((event) => event.kind === input.eventKind) ?? null;
+    }
+    if (input.kind === "thread-id") {
+      return snapshot.threads.find((thread) => thread.id === input.threadId) ?? null;
+    }
+    return (
+      snapshot.messages.find(
+        (message) =>
+          (!input.direction || message.direction === input.direction) &&
+          message.text.includes(input.textIncludes),
+      ) ?? null
+    );
+  };
+}
+
+export function createQaBusWaiterStore(getSnapshot: () => QaBusStateSnapshot) {
+  const waiters = new Set<Waiter>();
+
+  return {
+    reset(reason = "qa-bus reset") {
+      for (const waiter of waiters) {
+        clearTimeout(waiter.timer);
+        waiter.reject(new Error(reason));
+      }
+      waiters.clear();
+    },
+    settle() {
+      if (waiters.size === 0) {
+        return;
+      }
+      const snapshot = getSnapshot();
+      for (const waiter of Array.from(waiters)) {
+        const match = waiter.matcher(snapshot);
+        if (!match) {
+          continue;
+        }
+        clearTimeout(waiter.timer);
+        waiters.delete(waiter);
+        waiter.resolve(match);
+      }
+    },
+    async waitFor(input: QaBusWaitForInput) {
+      const matcher = createQaBusMatcher(input);
+      const immediate = matcher(getSnapshot());
+      if (immediate) {
+        return immediate;
+      }
+      return await new Promise<QaBusWaitMatch>((resolve, reject) => {
+        const timeoutMs = input.timeoutMs ?? DEFAULT_WAIT_TIMEOUT_MS;
+        const waiter: Waiter = {
+          resolve,
+          reject,
+          matcher,
+          timer: setTimeout(() => {
+            waiters.delete(waiter);
+            reject(new Error(`qa-bus wait timeout after ${timeoutMs}ms`));
+          }, timeoutMs),
+        };
+        waiters.add(waiter);
+      });
+    },
+  };
+}
diff --git a/extensions/qa-lab/src/cli.runtime.ts b/extensions/qa-lab/src/cli.runtime.ts
new file mode 100644
index 00000000000..fef5043ff44
--- /dev/null
+++ b/extensions/qa-lab/src/cli.runtime.ts
@@ -0,0 +1,37 @@
+import { startQaLabServer } from "./lab-server.js";
+
+export async function runQaLabSelfCheckCommand(opts: { output?: string }) {
+  const server = await startQaLabServer({
+    outputPath: opts.output,
+  });
+  try {
+    const result = await server.runSelfCheck();
+    process.stdout.write(`QA self-check report: ${result.outputPath}\n`);
+  } finally {
+    await server.stop();
+  }
+}
+
+export async function runQaLabUiCommand(opts: { host?: string; port?: number }) {
+  const server = await startQaLabServer({
+    host: opts.host,
+    port: Number.isFinite(opts.port) ? opts.port : undefined,
+  });
+  process.stdout.write(`QA Lab UI: ${server.baseUrl}\n`);
+  process.stdout.write("Press Ctrl+C to stop.\n");
+
+  const shutdown = async () => {
+    process.off("SIGINT", onSignal);
+    process.off("SIGTERM", onSignal);
+    await server.stop();
+    process.exit(0);
+  };
+
+  const onSignal = () => {
+    void shutdown();
+  };
+
+  process.on("SIGINT", onSignal);
+  process.on("SIGTERM", onSignal);
+  await new Promise(() => undefined);
+}
diff --git a/extensions/qa-lab/src/cli.ts b/extensions/qa-lab/src/cli.ts
new file mode 100644
index 00000000000..0600d9fc1e4
--- /dev/null
+++ b/extensions/qa-lab/src/cli.ts
@@ -0,0 +1,41 @@
+import type { Command } from "commander";
+
+type QaLabCliRuntime = typeof import("./cli.runtime.js");
+
+let qaLabCliRuntimePromise: Promise<QaLabCliRuntime> | null = null;
+
+async function loadQaLabCliRuntime(): Promise<QaLabCliRuntime> {
+  qaLabCliRuntimePromise ??= import("./cli.runtime.js");
+  return await qaLabCliRuntimePromise;
+}
+
+async function runQaSelfCheck(opts: { output?: string }) {
+  const runtime = await loadQaLabCliRuntime();
+  await runtime.runQaLabSelfCheckCommand(opts);
+}
+
+async function runQaUi(opts: { host?: string; port?: number }) {
+  const runtime = await loadQaLabCliRuntime();
+  await runtime.runQaLabUiCommand(opts);
+}
+
+export function registerQaLabCli(program: Command) {
+  const qa = program
+    .command("qa")
+    .description("Run private QA automation flows and launch the QA debugger");
+
+  qa.command("run")
+    .description("Run the bundled QA self-check and write a Markdown report")
+    .option("--output <path>", "Report output path")
+    .action(async (opts: { output?: string }) => {
+      await runQaSelfCheck(opts);
+    });
+
+  qa.command("ui")
+    .description("Start the private QA debugger UI and local QA bus")
+    .option("--host <host>", "Bind host", "127.0.0.1")
+    .option("--port <port>", "Bind port", (value: string) => Number(value))
+    .action(async (opts: { host?: string; port?: number }) => {
+      await runQaUi(opts);
+    });
+}
diff --git a/extensions/qa-lab/src/extract-tool-payload.ts b/extensions/qa-lab/src/extract-tool-payload.ts
new file mode 100644
index 00000000000..29ceee6d9dc
--- /dev/null
+++ b/extensions/qa-lab/src/extract-tool-payload.ts
@@ -0,0 +1,31 @@
+type ResultWithDetails = {
+  details?: unknown;
+  content?: unknown;
+};
+
+export function extractQaToolPayload(result: ResultWithDetails | null | undefined): unknown {
+  if (!result) {
+    return undefined;
+  }
+  if (result.details !== undefined) {
+    return result.details;
+  }
+  const textBlock = Array.isArray(result.content)
+    ? result.content.find(
+        (block) =>
+          block &&
+          typeof block === "object" &&
+          (block as { type?: unknown }).type === "text" &&
+          typeof (block as { text?: unknown }).text === "string",
+      )
+    : undefined;
+  const text = (textBlock as { text?: string } | undefined)?.text;
+  if (!text) {
+    return result.content ?? result;
+  }
+  try {
+    return JSON.parse(text);
+  } catch {
+    return text;
+  }
+}
diff --git a/extensions/qa-lab/src/harness-runtime.ts b/extensions/qa-lab/src/harness-runtime.ts
new file mode 100644
index 00000000000..a32a26bfdfc
--- /dev/null
+++ b/extensions/qa-lab/src/harness-runtime.ts
@@ -0,0 +1,75 @@
+import type { PluginRuntime } from "openclaw/plugin-sdk/core";
+
+type SessionRecord = {
+  sessionKey: string;
+  body: string;
+};
+
+export function createQaRunnerRuntime(): PluginRuntime {
+  const sessions = new Map<string, SessionRecord>();
+  return {
+    channel: {
+      routing: {
+        resolveAgentRoute({
+          accountId,
+          peer,
+        }: {
+          accountId?: string | null;
+          peer?: { kind?: string; id?: string } | null;
+        }) {
+          return {
+            agentId: "qa-agent",
+            accountId: accountId ?? "default",
+            sessionKey: `qa-agent:${peer?.kind ?? "direct"}:${peer?.id ?? "default"}`,
+            mainSessionKey: "qa-agent:main",
+            lastRoutePolicy: "session",
+            matchedBy: "default",
+            channel: "qa-channel",
+          };
+        },
+      },
+      session: {
+        resolveStorePath(_store: string | undefined, { agentId }: { agentId: string }) {
+          return agentId;
+        },
+        readSessionUpdatedAt({ sessionKey }: { sessionKey: string }) {
+          return sessions.has(sessionKey) ? Date.now() : undefined;
+        },
+        recordInboundSession({
+          sessionKey,
+          ctx,
+        }: {
+          sessionKey: string;
+          ctx: { BodyForAgent?: string; Body?: string };
+        }) {
+          sessions.set(sessionKey, {
+            sessionKey,
+            body: String(ctx.BodyForAgent ?? ctx.Body ?? ""),
+          });
+        },
+      },
+      reply: {
+        resolveEnvelopeFormatOptions() {
+          return {};
+        },
+        formatAgentEnvelope({ body }: { body: string }) {
+          return body;
+        },
+        finalizeInboundContext(ctx: Record<string, unknown>) {
+          return ctx as typeof ctx & { CommandAuthorized: boolean };
+        },
+        async dispatchReplyWithBufferedBlockDispatcher({
+          ctx,
+          dispatcherOptions,
+        }: {
+          ctx: { BodyForAgent?: string; Body?: string };
+          dispatcherOptions: { deliver: (payload: { text: string }) => Promise<void> };
+        }) {
+          await dispatcherOptions.deliver({
+            text: `qa-echo: ${String(ctx.BodyForAgent ?? ctx.Body ?? "")}`,
+          });
+        },
+      },
+    },
+  } as unknown as PluginRuntime;
+}
diff --git a/extensions/qa-lab/src/lab-server.test.ts b/extensions/qa-lab/src/lab-server.test.ts
new file mode 100644
index 00000000000..9d5d6413229
--- /dev/null
+++ b/extensions/qa-lab/src/lab-server.test.ts
@@ -0,0 +1,67 @@
+import { mkdtemp, readFile, rm } from "node:fs/promises";
+import os from "node:os";
+import path from "node:path";
+import { afterEach, describe, expect, it } from "vitest";
+import { startQaLabServer } from "./lab-server.js";
+
+const cleanups: Array<() => Promise<void>> = [];
+
+afterEach(async () => {
+  while (cleanups.length > 0) {
+    await cleanups.pop()?.();
+  }
+});
+
+describe("qa-lab server", () => {
+  it("serves bootstrap state and writes a self-check report", async () => {
+    const tempDir = await mkdtemp(path.join(os.tmpdir(), "qa-lab-test-"));
+    cleanups.push(async () => {
+      await rm(tempDir, { recursive: true, force: true });
+    });
+    const outputPath = path.join(tempDir, "self-check.md");
+
+    const lab = await startQaLabServer({
+      host: "127.0.0.1",
+      port: 0,
+      outputPath,
+    });
+    cleanups.push(async () => {
+      await lab.stop();
+    });
+
+    const bootstrapResponse = await fetch(`${lab.baseUrl}/api/bootstrap`);
+    expect(bootstrapResponse.status).toBe(200);
+    const bootstrap = (await bootstrapResponse.json()) as {
+      defaults: { conversationId: string; senderId: string };
+    };
+    expect(bootstrap.defaults.conversationId).toBe("alice");
+    expect(bootstrap.defaults.senderId).toBe("alice");
+
+    const messageResponse = await fetch(`${lab.baseUrl}/api/inbound/message`, {
+      method: "POST",
+      headers: {
+        "content-type": "application/json",
+      },
+      body: JSON.stringify({
+        conversation: { id: "bob", kind: "direct" },
+        senderId: "bob",
+        senderName: "Bob",
+        text: "hello from test",
+      }),
+    });
+    expect(messageResponse.status).toBe(200);
+
+    const stateResponse = await fetch(`${lab.baseUrl}/api/state`);
+    expect(stateResponse.status).toBe(200);
+    const snapshot = (await stateResponse.json()) as {
+      messages: Array<{ direction: string; text: string }>;
+    };
+    expect(snapshot.messages.some((message) => message.text === "hello from test")).toBe(true);
+
+    const result = await lab.runSelfCheck();
+    expect(result.scenarioResult.status).toBe("pass");
+    const markdown = await readFile(outputPath, "utf8");
+    expect(markdown).toContain("Synthetic Slack-class roundtrip");
+    expect(markdown).toContain("- Status: pass");
+  });
+});
diff --git a/extensions/qa-lab/src/lab-server.ts b/extensions/qa-lab/src/lab-server.ts
new file mode 100644
index 00000000000..b6736cc1b29
--- /dev/null
+++ b/extensions/qa-lab/src/lab-server.ts
@@ -0,0 +1,289 @@
+import fs from "node:fs";
+import { createServer, type IncomingMessage, type ServerResponse } from "node:http";
+import path from "node:path";
+import { fileURLToPath } from "node:url";
+import { handleQaBusRequest, writeError, writeJson } from "./bus-server.js";
+import { createQaBusState, type QaBusState } from "./bus-state.js";
+import { createQaRunnerRuntime } from "./harness-runtime.js";
+import { qaChannelPlugin, setQaChannelRuntime, type OpenClawConfig } from "./runtime-api.js";
+import { runQaSelfCheckAgainstState, type QaSelfCheckResult } from "./self-check.js";
+
+type QaLabLatestReport = {
+  outputPath: string;
+  markdown: string;
+  generatedAt: string;
+};
+
+async function readJson(req: IncomingMessage): Promise<unknown> {
+  const chunks: Buffer[] = [];
+  for await (const chunk of req) {
+    chunks.push(Buffer.isBuffer(chunk) ? chunk : Buffer.from(chunk));
+  }
+  const text = Buffer.concat(chunks).toString("utf8").trim();
+  return text ? (JSON.parse(text) as unknown) : {};
+}
+
+function detectContentType(filePath: string): string {
+  if (filePath.endsWith(".css")) {
+    return "text/css; charset=utf-8";
+  }
+  if (filePath.endsWith(".js")) {
+    return "text/javascript; charset=utf-8";
+  }
+  if (filePath.endsWith(".json")) {
+    return "application/json; charset=utf-8";
+  }
+  if (filePath.endsWith(".svg")) {
+    return "image/svg+xml";
+  }
+  return "text/html; charset=utf-8";
+}
+
+function missingUiHtml() {
+  return `<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1" />
+    <title>QA Lab UI Missing</title>
+    <style>
+      body { font-family: ui-sans-serif, system-ui, sans-serif; background: #0f1115; color: #f5f7fb; margin: 0; display: grid; place-items: center; min-height: 100vh; }
+      main { max-width: 42rem; padding: 2rem; background: #171b22; border: 1px solid #283140; border-radius: 18px; box-shadow: 0 30px 80px rgba(0,0,0,.35); }
+      code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; color: #9ee8d8; }
+      h1 { margin-top: 0; }
+    </style>
+  </head>
+  <body>
+    <main>
+      <h1>QA Lab UI not built</h1>
+      <p>Build the private debugger bundle, then reload this page.</p>
+      <p><code>pnpm qa:lab:build</code></p>
+    </main>
+  </body>
+</html>`;
+}
+
+function resolveUiDistDir() {
+  return fileURLToPath(new URL("../web/dist", import.meta.url));
+}
+
+function tryResolveUiAsset(pathname: string): string | null {
+  const distDir = resolveUiDistDir();
+  if (!fs.existsSync(distDir)) {
+    return null;
+  }
+  const safePath = pathname === "/" ? "/index.html" : pathname;
+  const decoded = decodeURIComponent(safePath);
+  const candidate = path.normalize(path.join(distDir, decoded));
+  if (!candidate.startsWith(distDir)) {
+    return null;
+  }
+  if (fs.existsSync(candidate) && fs.statSync(candidate).isFile()) {
+    return candidate;
+  }
+  const fallback = path.join(distDir, "index.html");
+  return fs.existsSync(fallback) ? fallback : null;
+}
+
+function createQaLabConfig(baseUrl: string): OpenClawConfig {
+  return {
+    channels: {
+      "qa-channel": {
+        enabled: true,
+        baseUrl,
+        botUserId: "openclaw",
+        botDisplayName: "OpenClaw QA",
+        allowFrom: ["*"],
+      },
+    },
+  };
+}
+
+async function startQaGatewayLoop(params: { state: QaBusState; baseUrl: string }) {
+  const runtime = createQaRunnerRuntime();
+  setQaChannelRuntime(runtime);
+  const cfg = createQaLabConfig(params.baseUrl);
+  const account = qaChannelPlugin.config.resolveAccount(cfg, "default");
+  const abort = new AbortController();
+  const task = qaChannelPlugin.gateway?.startAccount?.({
+    accountId: account.accountId,
+    account,
+    cfg,
+    runtime: {
+      log: () => undefined,
+      error: () => undefined,
+      exit: () => undefined,
+    },
+    abortSignal: abort.signal,
+    log: {
+      info: () => undefined,
+      warn: () => undefined,
+      error: () => undefined,
+      debug: () => undefined,
+    },
+    getStatus: () => ({
+      accountId: account.accountId,
+      configured: true,
+      enabled: true,
+      running: true,
+    }),
+    setStatus: () => undefined,
+  });
+  return {
+    cfg,
+    async stop() {
+      abort.abort();
+      await task;
+    },
+  };
+}
+
+export async function startQaLabServer(params?: {
+  host?: string;
+  port?: number;
+  outputPath?: string;
+}) {
+  const state = createQaBusState();
+  let latestReport: QaLabLatestReport | null = null;
+  let gateway:
+    | {
+        cfg: OpenClawConfig;
+        stop: () => Promise<void>;
+      }
+    | undefined;
+
+  const server = createServer(async (req, res) => {
+    const url = new URL(req.url ?? "/", "http://127.0.0.1");
+
+    if (await handleQaBusRequest({ req, res, state })) {
+      return;
+    }
+
+    try {
+      if (req.method === "GET" && url.pathname === "/api/bootstrap") {
+        writeJson(res, 200, {
+          baseUrl,
+          latestReport,
+          defaults: {
+            conversationKind: "direct",
+            conversationId: "alice",
+            senderId: "alice",
+            senderName: "Alice",
+          },
+        });
+        return;
+      }
+      if (req.method === "GET" && url.pathname === "/api/state") {
+        writeJson(res, 200, state.getSnapshot());
+        return;
+      }
+      if (req.method === "GET" && url.pathname === "/api/report") {
+        writeJson(res, 200, { report: latestReport });
+        return;
+      }
+      if (req.method === "POST" && url.pathname === "/api/reset") {
+        state.reset();
+        writeJson(res, 200, { ok: true });
+        return;
+      }
+      if (req.method === "POST" && url.pathname === "/api/inbound/message") {
+        const body = await readJson(req);
+        writeJson(res, 200, {
+          message: state.addInboundMessage(body as Parameters<QaBusState["addInboundMessage"]>[0]),
+        });
+        return;
+      }
+      if (req.method === "POST" && url.pathname === "/api/scenario/self-check") {
+        const result = await runQaSelfCheckAgainstState({
+          state,
+          cfg: gateway?.cfg ?? createQaLabConfig(baseUrl),
+          outputPath: params?.outputPath,
+        });
+        latestReport = {
+          outputPath: result.outputPath,
+          markdown: result.report,
+          generatedAt: new Date().toISOString(),
+        };
+        writeJson(res, 200, serializeSelfCheck(result));
+        return;
+      }
+
+      if (req.method !== "GET" && req.method !== "HEAD") {
+        writeError(res, 404, "not found");
+        return;
+      }
+
+      const asset = tryResolveUiAsset(url.pathname);
+      if (!asset) {
+        const html = missingUiHtml();
+        res.writeHead(200, {
+          "content-type": "text/html; charset=utf-8",
+          "content-length": Buffer.byteLength(html),
+        });
+        if (req.method === "HEAD") {
+          res.end();
+          return;
+        }
+        res.end(html);
+        return;
+      }
+
+      const body = fs.readFileSync(asset);
+      res.writeHead(200, {
+        "content-type": detectContentType(asset),
+        "content-length": body.byteLength,
+      });
+      if (req.method === "HEAD") {
+        res.end();
+        return;
+      }
+      res.end(body);
+    } catch (error) {
+      writeError(res, 500, error);
+    }
+  });
+
+  await new Promise<void>((resolve, reject) => {
+    server.once("error", reject);
+    server.listen(params?.port ?? 0, params?.host ?? "127.0.0.1", () => resolve());
+  });
+  const address = server.address();
+  if (!address || typeof address === "string") {
+    throw new Error("qa-lab failed to bind");
+  }
+  const baseUrl = `http://${params?.host ?? "127.0.0.1"}:${address.port}`;
+  gateway = await startQaGatewayLoop({ state, baseUrl });
+
+  return {
+    baseUrl,
+    state,
+    async runSelfCheck() {
+      const result = await runQaSelfCheckAgainstState({
+        state,
+        cfg: gateway!.cfg,
+        outputPath: params?.outputPath,
+      });
+      latestReport = {
+        outputPath: result.outputPath,
+        markdown: result.report,
+        generatedAt: new Date().toISOString(),
+      };
+      return result;
+    },
+    async stop() {
+      await gateway?.stop();
+      await new Promise<void>((resolve, reject) =>
+        server.close((error) => (error ? reject(error) : resolve())),
+      );
+    },
+  };
+}
+
+function serializeSelfCheck(result: QaSelfCheckResult) {
+  return {
+    outputPath: result.outputPath,
+    report: result.report,
+    checks: result.checks,
+    scenario: result.scenarioResult,
+  };
+}
diff --git a/extensions/qa-lab/src/report.ts b/extensions/qa-lab/src/report.ts
new file mode 100644
index 00000000000..ff8c254d92d
--- /dev/null
+++ b/extensions/qa-lab/src/report.ts
@@ -0,0 +1,91 @@
+export type QaReportCheck = {
+  name: string;
+  status: "pass" | "fail" | "skip";
+  details?: string;
+};
+
+export type QaReportScenario = {
+  name: string;
+  status: "pass" | "fail" | "skip";
+  details?: string;
+  steps?: QaReportCheck[];
+};
+
+export function renderQaMarkdownReport(params: {
+  title: string;
+  startedAt: Date;
+  finishedAt: Date;
+  checks?: QaReportCheck[];
+  scenarios?: QaReportScenario[];
+  timeline?: string[];
+  notes?: string[];
+}) {
+  const checks = params.checks ?? [];
+  const scenarios = params.scenarios ?? [];
+  const passCount =
+    checks.filter((check) => check.status === "pass").length +
+    scenarios.filter((scenario) => scenario.status === "pass").length;
+  const failCount =
+    checks.filter((check) => check.status === "fail").length +
+    scenarios.filter((scenario) => scenario.status === "fail").length;
+
+  const lines = [
+    `# ${params.title}`,
+    "",
+    `- Started: ${params.startedAt.toISOString()}`,
+    `- Finished: ${params.finishedAt.toISOString()}`,
+    `- Duration ms: ${params.finishedAt.getTime() - params.startedAt.getTime()}`,
+    `- Passed: ${passCount}`,
+    `- Failed: ${failCount}`,
+    "",
+  ];
+
+  if (checks.length > 0) {
+    lines.push("## Checks", "");
+    for (const check of checks) {
+      lines.push(`- [${check.status === "pass" ? "x" : " "}] ${check.name}`);
+      if (check.details) {
+        lines.push(`  - ${check.details}`);
+      }
+    }
+  }
+
+  if (scenarios.length > 0) {
+    lines.push("", "## Scenarios", "");
+    for (const scenario of scenarios) {
+      lines.push(`### ${scenario.name}`);
+      lines.push("");
+      lines.push(`- Status: ${scenario.status}`);
+      if (scenario.details) {
+        lines.push(`- Details: ${scenario.details}`);
+      }
+      if (scenario.steps?.length) {
+        lines.push("- Steps:");
+        for (const step of scenario.steps) {
+          lines.push(`  - [${step.status === "pass" ? "x" : " "}] ${step.name}`);
+          if (step.details) {
+            lines.push(`    - ${step.details}`);
+          }
+        }
+      }
+      lines.push("");
+    }
+  }
+
+  if (params.timeline && params.timeline.length > 0) {
+    lines.push("## Timeline", "");
+    for (const item of params.timeline) {
+      lines.push(`- ${item}`);
+    }
+  }
+
+  if (params.notes && params.notes.length > 0) {
+    lines.push("", "## Notes", "");
+    for (const note of params.notes) {
+      lines.push(`- ${note}`);
+    }
+  }
+
+  lines.push("");
+  return lines.join("\n");
+}
diff --git a/extensions/qa-lab/src/runtime-api.ts b/extensions/qa-lab/src/runtime-api.ts
new file mode 100644
index 00000000000..e6abef5a3cd
--- /dev/null
+++ b/extensions/qa-lab/src/runtime-api.ts
@@ -0,0 +1,38 @@
+export type { Command } from "commander";
+export type { OpenClawConfig, PluginRuntime } from "openclaw/plugin-sdk/core";
+export { definePluginEntry } from "openclaw/plugin-sdk/core";
+export {
+  buildQaTarget,
+  createQaBusThread,
+  deleteQaBusMessage,
+  editQaBusMessage,
+  getQaBusState,
+  injectQaBusInboundMessage,
+  normalizeQaTarget,
+  parseQaTarget,
+  pollQaBus,
+  qaChannelPlugin,
+  reactToQaBusMessage,
+  readQaBusMessage,
+  searchQaBusMessages,
+  sendQaBusMessage,
+  setQaChannelRuntime,
+} from "../../qa-channel/api.js";
+export type {
+  QaBusConversation,
+  QaBusCreateThreadInput,
+  QaBusDeleteMessageInput,
+  QaBusEditMessageInput,
+  QaBusEvent,
+  QaBusInboundMessageInput,
+  QaBusMessage,
+  QaBusOutboundMessageInput,
+  QaBusPollInput,
+  QaBusPollResult,
+  QaBusReactToMessageInput,
+  QaBusReadMessageInput,
+  QaBusSearchMessagesInput,
+  QaBusStateSnapshot,
+  QaBusThread,
+  QaBusWaitForInput,
+} from "../../qa-channel/api.js";
diff --git a/extensions/qa-lab/src/scenario.ts b/extensions/qa-lab/src/scenario.ts
new file mode 100644
index 00000000000..6e839875aeb
--- /dev/null
+++ b/extensions/qa-lab/src/scenario.ts
@@ -0,0 +1,65 @@
+import type { QaBusState } from "./bus-state.js";
+
+export type QaScenarioStepContext = {
+  state: QaBusState;
+};
+
+export type QaScenarioStep = {
+  name: string;
+  run: (ctx: QaScenarioStepContext) => Promise<string | void>;
+};
+
+export type QaScenarioDefinition = {
+  name: string;
+  steps: QaScenarioStep[];
+};
+
+export type QaScenarioStepResult = {
+  name: string;
+  status: "pass" | "fail";
+  details?: string;
+};
+
+export type QaScenarioResult = {
+  name: string;
+  status: "pass" | "fail";
+  steps: QaScenarioStepResult[];
+  details?: string;
+};
+
+export async function runQaScenario(
+  definition: QaScenarioDefinition,
+  ctx: QaScenarioStepContext,
+): Promise<QaScenarioResult> {
+  const steps: QaScenarioStepResult[] = [];
+
+  for (const step of definition.steps) {
+    try {
+      const details = await step.run(ctx);
+      steps.push({
+        name: step.name,
+        status: "pass",
+        ...(details ? { details } : {}),
+      });
+    } catch (error) {
+      const details = error instanceof Error ? error.message : String(error);
+      steps.push({
+        name: step.name,
+        status: "fail",
+        details,
+      });
+      return {
+        name: definition.name,
+        status: "fail",
+        steps,
+        details,
+      };
+    }
+  }
+
+  return {
+    name: definition.name,
+    status: "pass",
+    steps,
+  };
+}
diff --git a/extensions/qa-lab/src/self-check-scenario.ts b/extensions/qa-lab/src/self-check-scenario.ts
new file mode 100644
index 00000000000..bdcd6026605
--- /dev/null
+++ b/extensions/qa-lab/src/self-check-scenario.ts
@@ -0,0 +1,121 @@
+import { extractQaToolPayload } from "./extract-tool-payload.js";
+import { qaChannelPlugin, type OpenClawConfig } from "./runtime-api.js";
+import type { QaScenarioDefinition } from "./scenario.js";
+
+export function createQaSelfCheckScenario(cfg: OpenClawConfig): QaScenarioDefinition {
+  return {
+    name: "Synthetic Slack-class roundtrip",
+    steps: [
+      {
+        name: "DM echo roundtrip",
+        async run({ state }) {
+          state.addInboundMessage({
+            conversation: { id: "alice", kind: "direct" },
+            senderId: "alice",
+            senderName: "Alice",
+            text: "hello from qa",
+          });
+          await state.waitFor({
+            kind: "message-text",
+            textIncludes: "qa-echo: hello from qa",
+            direction: "outbound",
+            timeoutMs: 5_000,
+          });
+        },
+      },
+      {
+        name: "Thread create and threaded echo",
+        async run({ state }) {
+          const threadResult = await qaChannelPlugin.actions?.handleAction?.({
+            channel: "qa-channel",
+            action: "thread-create",
+            cfg,
+            accountId: "default",
+            params: {
+              channelId: "qa-room",
+              title: "QA thread",
+            },
+          });
+          const threadPayload = extractQaToolPayload(threadResult) as
+            | { thread?: { id?: string } }
+            | undefined;
+          const threadId = threadPayload?.thread?.id;
+          if (!threadId) {
+            throw new Error("thread-create did not return thread id");
+          }
+
+          state.addInboundMessage({
+            conversation: { id: "qa-room", kind: "channel", title: "QA Room" },
+            senderId: "alice",
+            senderName: "Alice",
+            text: "inside thread",
+            threadId,
+            threadTitle: "QA thread",
+          });
+          await state.waitFor({
+            kind: "message-text",
+            textIncludes: "qa-echo: inside thread",
+            direction: "outbound",
+            timeoutMs: 5_000,
+          });
+          return threadId;
+        },
+      },
+      {
+        name: "Reaction, edit, delete lifecycle",
+        async run({ state }) {
+          const outbound = state
+            .searchMessages({ query: "qa-echo: inside thread", conversationId: "qa-room" })
+            .at(-1);
+          if (!outbound) {
+            throw new Error("threaded outbound message not found");
+          }
+
+          await qaChannelPlugin.actions?.handleAction?.({
+            channel: "qa-channel",
+            action: "react",
+            cfg,
+            accountId: "default",
+            params: {
+              messageId: outbound.id,
+              emoji: "white_check_mark",
+            },
+          });
+          const reacted = state.readMessage({ messageId: outbound.id });
+          if (reacted.reactions.length === 0) {
+            throw new Error("reaction not recorded");
+          }
+
+          await qaChannelPlugin.actions?.handleAction?.({
+            channel: "qa-channel",
+            action: "edit",
+            cfg,
+            accountId: "default",
+            params: {
+              messageId: outbound.id,
+              text: "qa-echo: inside thread (edited)",
+            },
+          });
+          const edited = state.readMessage({ messageId: outbound.id });
+          if (!edited.text.includes("(edited)")) {
+            throw new Error("edit not recorded");
+          }
+
+          await qaChannelPlugin.actions?.handleAction?.({
+            channel: "qa-channel",
+            action: "delete",
+            cfg,
+            accountId: "default",
+            params: {
+              messageId: outbound.id,
+            },
+          });
+          const deleted = state.readMessage({ messageId: outbound.id });
+          if (!deleted.deleted) {
+            throw new Error("delete not recorded");
+          }
+        },
+      },
+    ],
+  };
+}
diff --git a/extensions/qa-lab/src/self-check.ts b/extensions/qa-lab/src/self-check.ts
new file mode 100644
index 00000000000..472cc35123e
--- /dev/null
+++ b/extensions/qa-lab/src/self-check.ts
@@ -0,0 +1,91 @@
+import fs from "node:fs/promises";
+import path from "node:path";
+import type { OpenClawConfig } from "openclaw/plugin-sdk/core";
+import type { QaBusState } from "./bus-state.js";
+import { startQaLabServer } from "./lab-server.js";
+import { renderQaMarkdownReport } from "./report.js";
+import { runQaScenario, type QaScenarioResult } from "./scenario.js";
+import { createQaSelfCheckScenario } from "./self-check-scenario.js";
+
+export type QaSelfCheckResult = {
+  outputPath: string;
+  report: string;
+  checks: Array<{ name: string; status: "pass" | "fail"; details?: string }>;
+  scenarioResult: QaScenarioResult;
+};
+
+export async function runQaSelfCheckAgainstState(params: {
+  state: QaBusState;
+  cfg: OpenClawConfig;
+  outputPath?: string;
+  notes?: string[];
+}): Promise<QaSelfCheckResult> {
+  const startedAt = new Date();
+  params.state.reset();
+  const scenarioResult = await runQaScenario(createQaSelfCheckScenario(params.cfg), {
+    state: params.state,
+  });
+  const checks = [
+    {
+      name: "QA self-check scenario",
+      status: scenarioResult.status,
+      details: `${scenarioResult.steps.filter((step) => step.status === "pass").length}/${scenarioResult.steps.length} steps passed`,
+    },
+  ] satisfies Array<{ name: string; status: "pass" | "fail"; details?: string }>;
+  const finishedAt = new Date();
+  const snapshot = params.state.getSnapshot();
+  const timeline = snapshot.events.map((event) => {
+    switch (event.kind) {
+      case "thread-created":
+        return `${event.cursor}. ${event.kind} ${event.thread.conversationId}/${event.thread.id}`;
+      case "reaction-added":
+        return `${event.cursor}. ${event.kind} ${event.message.id} ${event.emoji}`;
+      default:
+        return `${event.cursor}. ${event.kind} ${"message" in event ? event.message.id : ""}`.trim();
+    }
+  });
+  const report = renderQaMarkdownReport({
+    title: "OpenClaw QA E2E Self-Check",
+    startedAt,
+    finishedAt,
+    checks,
+    scenarios: [
+      {
+        name: scenarioResult.name,
+        status: scenarioResult.status,
+        details: scenarioResult.details,
+        steps: scenarioResult.steps,
+      },
+    ],
+    timeline,
+    notes: params.notes ?? [
+      "Vertical slice: qa-channel + qa-lab bus + private debugger surface.",
+      "Docker orchestration, matrix runs, and auto-fix loops remain follow-up work.",
+    ],
+  });
+
+  const outputPath =
+    params.outputPath ?? path.join(process.cwd(), ".artifacts", "qa-e2e", "self-check.md");
+  await fs.mkdir(path.dirname(outputPath), { recursive: true });
+  await fs.writeFile(outputPath, report, "utf8");
+
+  return {
+    outputPath,
+    report,
+    checks,
+    scenarioResult,
+  };
+}
+
+export async function runQaLabSelfCheck(params?: { outputPath?: string }) {
+  const server = await startQaLabServer({
+    outputPath: params?.outputPath,
+  });
+  try {
+    return await server.runSelfCheck();
+  } finally {
+    await server.stop();
+  }
+}
+
+export const runQaE2eSelfCheck = runQaLabSelfCheck;
diff --git a/extensions/qa-lab/web/index.html b/extensions/qa-lab/web/index.html
new file mode 100644
index 00000000000..71b4ca80bf0
--- /dev/null
+++ b/extensions/qa-lab/web/index.html
@@ -0,0 +1,12 @@
+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1" />
+    <title>QA Lab</title>
+  </head>
+  <body>
+    <div id="app"></div>
+    <script type="module" src="/src/main.ts"></script>
+  </body>
+</html>
diff --git a/extensions/qa-lab/web/src/app.ts b/extensions/qa-lab/web/src/app.ts
new file mode 100644
index 00000000000..7c9dbb0ba0b
--- /dev/null
+++ b/extensions/qa-lab/web/src/app.ts
@@ -0,0 +1,498 @@
+type Conversation = {
+  id: string;
+  kind: "direct" | "channel";
+  title?: string;
+};
+
+type Thread = {
+  id: string;
+  conversationId: string;
+  title: string;
+};
+
+type Message = {
+  id: string;
+  direction: "inbound" | "outbound";
+  conversation: Conversation;
+  senderId: string;
+  senderName?: string;
+  text: string;
+  timestamp: number;
+  threadId?: string;
+  threadTitle?: string;
+  deleted?: boolean;
+  editedAt?: number;
+  reactions: Array<{ emoji: string; senderId: string }>;
+};
+
+type BusEvent =
+  | { cursor: number; kind: "thread-created"; thread: Thread }
+  | { cursor: number; kind: string; message?: Message; emoji?: string };
+
+type Snapshot = {
+  conversations: Conversation[];
+  threads: Thread[];
+  messages: Message[];
+  events: BusEvent[];
+};
+
+type ReportEnvelope = {
+  report: null | {
+    outputPath: string;
+    markdown: string;
+    generatedAt: string;
+  };
+};
+
+type Bootstrap = {
+  baseUrl: string;
+  latestReport: ReportEnvelope["report"];
+  defaults: {
+    conversationKind: "direct" | "channel";
+    conversationId: string;
+    senderId: string;
+    senderName: string;
+  };
+};
+
+type UiState = {
+  bootstrap: Bootstrap | null;
+  snapshot: Snapshot | null;
+  latestReport: ReportEnvelope["report"];
+  selectedConversationId: string | null;
+  selectedThreadId: string | null;
+  composer: {
+    conversationKind: "direct" | "channel";
+    conversationId: string;
+    senderId: string;
+    senderName: string;
+    text: string;
+  };
+  busy: boolean;
+  error: string | null;
+};
+
+async function getJson<T>(path: string): Promise<T> {
+  const response = await fetch(path);
+  if (!response.ok) {
+    throw new Error(`${response.status} ${response.statusText}`);
+  }
+  return (await response.json()) as T;
+}
+
+async function postJson<T>(path: string, body: unknown): Promise<T> {
+  const response = await fetch(path, {
+    method: "POST",
+    headers: {
+      "content-type": "application/json",
+    },
+    body: JSON.stringify(body),
+  });
+  if (!response.ok) {
+    const payload = (await response.json().catch(() => ({}))) as { error?: string };
+    throw new Error(payload.error || `${response.status} ${response.statusText}`);
+  }
+  return (await response.json()) as T;
+}
+
+function formatTime(timestamp: number) {
+  return new Date(timestamp).toLocaleTimeString([], {
+    hour: "2-digit",
+    minute: "2-digit",
+    second: "2-digit",
+  });
+}
+
+function escapeHtml(text: string) {
+  return text
+    .replaceAll("&", "&amp;")
+    .replaceAll("<", "&lt;")
+    .replaceAll(">", "&gt;")
+    .replaceAll('"', "&quot;");
+}
+
+function filteredMessages(state: UiState) {
+  const messages = state.snapshot?.messages ?? [];
+  return messages.filter((message) => {
+    if (state.selectedConversationId && message.conversation.id !== state.selectedConversationId) {
+      return false;
+    }
+    if (state.selectedThreadId && message.threadId !== state.selectedThreadId) {
+      return false;
+    }
+    return true;
+  });
+}
+
+function deriveSelectedConversation(state: UiState): string | null {
+  if (state.selectedConversationId) {
+    return state.selectedConversationId;
+  }
+  return state.snapshot?.conversations[0]?.id ?? null;
+}
+
+function deriveSelectedThread(state: UiState): string | null {
+  if (state.selectedThreadId) {
+    return state.selectedThreadId;
+  }
+  return null;
+}
+
+export async function createQaLabApp(root: HTMLDivElement) {
+  const state: UiState = {
+    bootstrap: null,
+    snapshot: null,
+    latestReport: null,
+    selectedConversationId: null,
+    selectedThreadId: null,
+    composer: {
+      conversationKind: "direct",
+      conversationId: "alice",
+      senderId: "alice",
+      senderName: "Alice",
+      text: "",
+    },
+    busy: false,
+    error: null,
+  };
+
+  async function refresh() {
+    try {
+      const [bootstrap, snapshot, report] = await Promise.all([
+        getJson<Bootstrap>("/api/bootstrap"),
+        getJson<Snapshot>("/api/state"),
+        getJson<ReportEnvelope>("/api/report"),
+      ]);
+      state.bootstrap = bootstrap;
+      state.snapshot = snapshot;
+      state.latestReport = report.report ?? bootstrap.latestReport;
+      if (!state.selectedConversationId) {
+        state.selectedConversationId = snapshot.conversations[0]?.id ?? null;
+      }
+      if (!state.composer.conversationId) {
+        state.composer = {
+          ...state.composer,
+          conversationKind: bootstrap.defaults.conversationKind,
+          conversationId: bootstrap.defaults.conversationId,
+          senderId: bootstrap.defaults.senderId,
+          senderName: bootstrap.defaults.senderName,
+        };
+      }
+      state.error = null;
+    } catch (error) {
+      state.error = error instanceof Error ? error.message : String(error);
+    }
+    render();
+  }
+
+  async function runSelfCheck() {
+    state.busy = true;
+    state.error = null;
+    render();
+    try {
+      const result = await postJson<{ report: string; outputPath: string }>(
+        "/api/scenario/self-check",
+        {},
+      );
+      state.latestReport = {
+        outputPath: result.outputPath,
+        markdown: result.report,
+        generatedAt: new Date().toISOString(),
+      };
+      await refresh();
+    } catch (error) {
+      state.error = error instanceof Error ? error.message : String(error);
+      render();
+    } finally {
+      state.busy = false;
+      render();
+    }
+  }
+
+  async function resetState() {
+    state.busy = true;
+    render();
+    try {
+      await postJson("/api/reset", {});
+      state.latestReport = null;
+      state.selectedThreadId = null;
+      await refresh();
+    } catch (error) {
+      state.error = error instanceof Error ? error.message : String(error);
+      render();
+    } finally {
+      state.busy = false;
+      render();
+    }
+  }
+
+  async function sendInbound() {
+    const conversationId = state.composer.conversationId.trim();
+    const text = state.composer.text.trim();
+    if (!conversationId || !text) {
+      state.error = "Conversation id and text are required.";
+      render();
+      return;
+    }
+    state.busy = true;
+    state.error = null;
+    render();
+    try {
+      await postJson("/api/inbound/message", {
+        conversation: {
+          id: conversationId,
+          kind: state.composer.conversationKind,
+          ...(state.composer.conversationKind === "channel" ? { title: conversationId } : {}),
+        },
+        senderId: state.composer.senderId.trim() || "alice",
+        senderName: state.composer.senderName.trim() || undefined,
+        text,
+        ...(state.selectedThreadId ? { threadId: state.selectedThreadId } : {}),
+      });
+      state.selectedConversationId = conversationId;
+      state.composer.text = "";
+      await refresh();
+    } catch (error) {
+      state.error = error instanceof Error ? error.message : String(error);
+      render();
+    } finally {
+      state.busy = false;
+      render();
+    }
+  }
+
+  function downloadReport() {
+    if (!state.latestReport?.markdown) {
+      return;
+    }
+    const blob = new Blob([state.latestReport.markdown], { type: "text/markdown;charset=utf-8" });
+    const href = URL.createObjectURL(blob);
+    const anchor = document.createElement("a");
+    anchor.href = href;
+    anchor.download = "qa-report.md";
+    anchor.click();
+    URL.revokeObjectURL(href);
+  }
+
+  function bindEvents() {
+    root.querySelectorAll<HTMLElement>("[data-conversation-id]").forEach((node) => {
+      node.onclick = () => {
+        state.selectedConversationId = node.dataset.conversationId ?? null;
+        state.selectedThreadId = null;
+        render();
+      };
+    });
+    root.querySelectorAll<HTMLElement>("[data-thread-id]").forEach((node) => {
+      node.onclick = () => {
+        state.selectedConversationId = node.dataset.conversationId ?? null;
+        state.selectedThreadId = node.dataset.threadId ?? null;
+        render();
+      };
+    });
+    root.querySelector<HTMLButtonElement>("[data-action='refresh']")!.onclick = () => {
+      void refresh();
+    };
+    root.querySelector<HTMLButtonElement>("[data-action='reset']")!.onclick = () => {
+      void resetState();
+    };
+    root.querySelector<HTMLButtonElement>("[data-action='self-check']")!.onclick = () => {
+      void runSelfCheck();
+    };
+    root.querySelector<HTMLButtonElement>("[data-action='send']")!.onclick = () => {
+      void sendInbound();
+    };
+    root.querySelector<HTMLButtonElement>("[data-action='download-report']")!.onclick = () => {
+      downloadReport();
+    };
+
+    root.querySelector<HTMLSelectElement>("#conversation-kind")!.onchange = (event) => {
+      const target = event.currentTarget as HTMLSelectElement;
+      state.composer.conversationKind = target.value === "channel" ? "channel" : "direct";
+    };
+    root.querySelector<HTMLInputElement>("#conversation-id")!.oninput = (event) => {
+      state.composer.conversationId = (event.currentTarget as HTMLInputElement).value;
+    };
+    root.querySelector<HTMLInputElement>("#sender-id")!.oninput = (event) => {
+      state.composer.senderId = (event.currentTarget as HTMLInputElement).value;
+    };
+    root.querySelector<HTMLInputElement>("#sender-name")!.oninput = (event) => {
+      state.composer.senderName = (event.currentTarget as HTMLInputElement).value;
+    };
+    root.querySelector<HTMLTextAreaElement>("#composer-text")!.oninput = (event) => {
+      state.composer.text = (event.currentTarget as HTMLTextAreaElement).value;
+    };
+  }
+
+  function render() {
+    const selectedConversationId = deriveSelectedConversation(state);
+    const selectedThreadId = deriveSelectedThread(state);
+    const conversations = state.snapshot?.conversations ?? [];
+    const threads = (state.snapshot?.threads ?? []).filter(
+      (thread) => !selectedConversationId || thread.conversationId === selectedConversationId,
+    );
+    const messages = filteredMessages({
+      ...state,
+      selectedConversationId,
+      selectedThreadId,
+    });
+    const events = (state.snapshot?.events ?? []).slice(-20).reverse();
+
+    root.innerHTML = `
+      <div class="shell">
+        <header class="topbar">
+          <div>
+            <p class="eyebrow">Private QA Workspace</p>
+            <h1>QA Lab</h1>
+            <p class="subtle">Synthetic Slack-style debugger for qa-channel.</p>
+          </div>
+          <div class="toolbar">
+            <button data-action="refresh"${state.busy ? " disabled" : ""}>Refresh</button>
+            <button data-action="reset"${state.busy ? " disabled" : ""}>Reset</button>
+            <button class="accent" data-action="self-check"${state.busy ? " disabled" : ""}>Run Self-Check</button>
+          </div>
+        </header>
+        <section class="statusbar">
+          <span class="pill">Bus ${state.bootstrap ? "online" : "booting"}</span>
+          <span class="pill">Conversation ${selectedConversationId ?? "none"}</span>
+          <span class="pill">Thread ${selectedThreadId ?? "root"}</span>
+          ${state.latestReport ? `<span class="pill success">Report ${escapeHtml(state.latestReport.outputPath)}</span>` : '<span class="pill">No report yet</span>'}
+          ${state.error ? `<span class="pill error">${escapeHtml(state.error)}</span>` : ""}
+        </section>
+        <main class="workspace">
+          <aside class="rail">
+            <section class="panel">
+              <h2>Conversations</h2>
+              <div class="stack">
+                ${conversations
+                  .map(
+                    (conversation) => `
+                      <button class="list-item${conversation.id === selectedConversationId ? " selected" : ""}" data-conversation-id="${escapeHtml(conversation.id)}">
+                        <strong>${escapeHtml(conversation.title || conversation.id)}</strong>
+                        <span>${conversation.kind}</span>
+                      </button>`,
+                  )
+                  .join("")}
+              </div>
+            </section>
+            <section class="panel">
+              <h2>Threads</h2>
+              <div class="stack">
+                <button class="list-item${!selectedThreadId ? " selected" : ""}" data-conversation-id="${escapeHtml(selectedConversationId ?? "")}">
+                  <strong>Main timeline</strong>
+                  <span>root</span>
+                </button>
+                ${threads
+                  .map(
+                    (thread) => `
+                      <button class="list-item${thread.id === selectedThreadId ? " selected" : ""}" data-thread-id="${escapeHtml(thread.id)}" data-conversation-id="${escapeHtml(thread.conversationId)}">
+                        <strong>${escapeHtml(thread.title)}</strong>
+                        <span>${escapeHtml(thread.id)}</span>
+                      </button>`,
+                  )
+                  .join("")}
+              </div>
+            </section>
+          </aside>
+          <section class="center">
+            <section class="panel transcript">
+              <h2>Transcript</h2>
+              <div class="messages">
+                ${
+                  messages.length === 0
+                    ? '<p class="empty">No messages in this slice yet.</p>'
+                    : messages
+                        .map(
+                          (message) => `
+                            <article class="message ${message.direction}">
+                              <header>
+                                <strong>${escapeHtml(message.senderName || message.senderId)}</strong>
+                                <span>${message.direction}</span>
+                                <time>${formatTime(message.timestamp)}</time>
+                              </header>
+                              <p>${escapeHtml(message.text)}</p>
+                              <footer>
+                                <span>${escapeHtml(message.id)}</span>
+                                ${message.threadId ? `<span>thread ${escapeHtml(message.threadId)}</span>` : ""}
+                                ${message.editedAt ? "<span>edited</span>" : ""}
+                                ${message.deleted ? "<span>deleted</span>" : ""}
+                                ${message.reactions.length ? `<span>${message.reactions.map((reaction) => reaction.emoji).join(" ")}</span>` : ""}
+                              </footer>
+                            </article>`,
+                        )
+                        .join("")
+                }
+              </div>
+            </section>
+            <section class="panel composer">
+              <h2>Inject inbound</h2>
+              <div class="composer-grid">
+                <label>
+                  <span>Kind</span>
+                  <select id="conversation-kind">
+                    <option value="direct"${state.composer.conversationKind === "direct" ? " selected" : ""}>Direct</option>
+                    <option value="channel"${state.composer.conversationKind === "channel" ? " selected" : ""}>Channel</option>
+                  </select>
+                </label>
+                <label>
+                  <span>Conversation</span>
+                  <input id="conversation-id" value="${escapeHtml(state.composer.conversationId)}" />
+                </label>
+                <label>
+                  <span>Sender id</span>
+                  <input id="sender-id" value="${escapeHtml(state.composer.senderId)}" />
+                </label>
+                <label>
+                  <span>Sender name</span>
+                  <input id="sender-name" value="${escapeHtml(state.composer.senderName)}" />
+                </label>
+              </div>
+              <label class="textarea-label">
+                <span>Message</span>
+                <textarea id="composer-text" rows="4" placeholder="Ask the agent to do something interesting...">${escapeHtml(state.composer.text)}</textarea>
+              </label>
+              <div class="toolbar lower">
+                <button class="accent" data-action="send"${state.busy ? " disabled" : ""}>Send inbound</button>
+              </div>
+            </section>
+          </section>
+          <aside class="rail right">
+            <section class="panel">
+              <div class="panel-header">
+                <h2>Latest report</h2>
+                <button data-action="download-report"${state.latestReport ? "" : " disabled"}>Export</button>
+              </div>
+              <pre class="report">${escapeHtml(state.latestReport?.markdown ?? "Run the self-check to generate a Markdown protocol report.")}</pre>
+            </section>
+            <section class="panel events">
+              <h2>Event stream</h2>
+              <div class="stack">
+                ${events
+                  .map((event) => {
+                    const tail =
+                      "thread" in event
+                        ? `${event.thread.conversationId}/${event.thread.id}`
+                        : event.message
+                          ? `${event.message.senderId}: ${event.message.text}`
+                          : "";
+                    return `
+                      <div class="event-row">
+                        <strong>${escapeHtml(event.kind)}</strong>
+                        <span>#${event.cursor}</span>
+                        <code>${escapeHtml(tail)}</code>
+                      </div>`;
+                  })
+                  .join("")}
+              </div>
+            </section>
+          </aside>
+        </main>
+      </div>`;
+    bindEvents();
+  }
+
+  render();
+  await refresh();
+  setInterval(() => {
+    void refresh();
+  }, 1_000);
+}
diff --git a/extensions/qa-lab/web/src/main.ts b/extensions/qa-lab/web/src/main.ts
new file mode 100644
index 00000000000..be1f49b887d
--- /dev/null
+++ b/extensions/qa-lab/web/src/main.ts
@@ -0,0 +1,10 @@
+import "./styles.css";
+import { createQaLabApp } from "./app";
+
+const root = document.querySelector<HTMLDivElement>("#app");
+
+if (!root) {
+  throw new Error("QA Lab app root missing");
+}
+
+void createQaLabApp(root);
diff --git a/extensions/qa-lab/web/src/styles.css b/extensions/qa-lab/web/src/styles.css
new file mode 100644
index 00000000000..5c19eca4cb5
--- /dev/null
+++ b/extensions/qa-lab/web/src/styles.css
@@ -0,0 +1,305 @@
+:root {
+  color-scheme: dark;
+  --bg: #0b0f14;
+  --bg-alt: #11161d;
+  --panel: rgba(17, 22, 29, 0.92);
+  --panel-strong: rgba(22, 29, 38, 0.98);
+  --line: rgba(145, 170, 197, 0.16);
+  --text: #eff4fb;
+  --muted: #8c98a8;
+  --accent: #65d6bf;
+  --accent-2: #ff9b57;
+  --danger: #ff7b88;
+  --shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
+  --radius: 20px;
+  font-family:
+    ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
+}
+
+* {
+  box-sizing: border-box;
+}
+
+body {
+  margin: 0;
+  min-height: 100vh;
+  background:
+    radial-gradient(circle at top left, rgba(101, 214, 191, 0.14), transparent 30%),
+    radial-gradient(circle at top right, rgba(255, 155, 87, 0.12), transparent 28%),
+    linear-gradient(180deg, #0a0f14, #0c1218 58%, #0a0f14);
+  color: var(--text);
+}
+
+button,
+input,
+select,
+textarea {
+  font: inherit;
+}
+
+button,
+input,
+select,
+textarea {
+  border-radius: 14px;
+  border: 1px solid var(--line);
+  background: rgba(255, 255, 255, 0.02);
+  color: var(--text);
+}
+
+button {
+  cursor: pointer;
+  padding: 0.7rem 1rem;
+}
+
+button.accent {
+  background: linear-gradient(135deg, var(--accent), #7bdad0);
+  border-color: transparent;
+  color: #04130f;
+  font-weight: 700;
+}
+
+button:disabled {
+  opacity: 0.55;
+  cursor: not-allowed;
+}
+
+input,
+select,
+textarea {
+  width: 100%;
+  padding: 0.75rem 0.85rem;
+}
+
+textarea {
+  resize: vertical;
+}
+
+.shell {
+  padding: 1.2rem;
+}
+
+.topbar,
+.statusbar,
+.workspace {
+  max-width: 1600px;
+  margin: 0 auto;
+}
+
+.topbar {
+  display: flex;
+  justify-content: space-between;
+  gap: 1rem;
+  align-items: end;
+  margin-bottom: 0.8rem;
+}
+
+.topbar h1,
+.panel h2 {
+  margin: 0;
+}
+
+.eyebrow {
+  margin: 0 0 0.25rem;
+  color: var(--accent);
+  text-transform: uppercase;
+  letter-spacing: 0.12em;
+  font-size: 0.72rem;
+}
+
+.subtle {
+  margin: 0.25rem 0 0;
+  color: var(--muted);
+}
+
+.toolbar {
+  display: flex;
+  gap: 0.7rem;
+  flex-wrap: wrap;
+}
+
+.statusbar {
+  display: flex;
+  gap: 0.65rem;
+  flex-wrap: wrap;
+  margin-bottom: 1rem;
+}
+
+.pill {
+  padding: 0.45rem 0.75rem;
+  border-radius: 999px;
+  background: rgba(255, 255, 255, 0.05);
+  border: 1px solid var(--line);
+  color: var(--muted);
+}
+
+.pill.success {
+  color: var(--accent);
+}
+
+.pill.error {
+  color: var(--danger);
+}
+
+.workspace {
+  display: grid;
+  grid-template-columns: 280px minmax(0, 1fr) 360px;
+  gap: 1rem;
+}
+
+.rail,
+.center,
+.right {
+  display: flex;
+  flex-direction: column;
+  gap: 1rem;
+  min-height: 0;
+}
+
+.panel {
+  background: var(--panel);
+  border: 1px solid var(--line);
+  border-radius: var(--radius);
+  box-shadow: var(--shadow);
+  padding: 1rem;
+  min-height: 0;
+}
+
+.panel-header {
+  display: flex;
+  justify-content: space-between;
+  gap: 0.7rem;
+  align-items: center;
+  margin-bottom: 0.7rem;
+}
+
+.stack {
+  display: flex;
+  flex-direction: column;
+  gap: 0.65rem;
+}
+
+.list-item {
+  display: flex;
+  flex-direction: column;
+  align-items: start;
+  gap: 0.15rem;
+  text-align: left;
+}
+
+.list-item.selected {
+  background: rgba(101, 214, 191, 0.12);
+  border-color: rgba(101, 214, 191, 0.4);
+}
+
+.list-item span,
+.message footer,
+.event-row span {
+  color: var(--muted);
+  font-size: 0.82rem;
+}
+
+.transcript,
+.events {
+  flex: 1;
+}
+
+.messages,
+.report {
+  min-height: 0;
+  max-height: 46vh;
+  overflow: auto;
+}
+
+.message {
+  padding: 0.9rem;
+  border-radius: 16px;
+  margin-bottom: 0.8rem;
+  border: 1px solid rgba(255, 255, 255, 0.04);
+  background: var(--panel-strong);
+}
+
+.message.inbound {
+  border-left: 3px solid var(--accent-2);
+}
+
+.message.outbound {
+  border-left: 3px solid var(--accent);
+}
+
+.message header,
+.message footer,
+.event-row {
+  display: flex;
+  gap: 0.55rem;
+  align-items: center;
+  flex-wrap: wrap;
+}
+
+.message p {
+  margin: 0.65rem 0;
+  white-space: pre-wrap;
+}
+
+.composer-grid {
+  display: grid;
+  grid-template-columns: repeat(2, minmax(0, 1fr));
+  gap: 0.8rem;
+}
+
+label span {
+  display: block;
+  margin-bottom: 0.35rem;
+  color: var(--muted);
+  font-size: 0.84rem;
+}
+
+.textarea-label {
+  display: block;
+  margin-top: 0.85rem;
+}
+
+.lower {
+  margin-top: 0.85rem;
+}
+
+.report {
+  margin: 0;
+  padding: 0.8rem;
+  border-radius: 16px;
+  background: rgba(7, 10, 14, 0.7);
+  border: 1px solid rgba(255, 255, 255, 0.04);
+  white-space: pre-wrap;
+  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
+  font-size: 0.78rem;
+  line-height: 1.45;
+}
+
+.event-row {
+  padding: 0.75rem;
+  border-radius: 14px;
+  background: rgba(255, 255, 255, 0.03);
+}
+
+.event-row code {
+  display: block;
+  width: 100%;
+  color: #c7d2e3;
+  white-space: pre-wrap;
+  word-break: break-word;
+}
+
+.empty {
+  color: var(--muted);
+}
+
+@media (max-width: 1180px) {
+  .workspace {
+    grid-template-columns: 1fr;
+  }
+
+  .messages,
+  .report {
+    max-height: none;
+  }
+}
diff --git a/extensions/qa-lab/web/vite.config.ts b/extensions/qa-lab/web/vite.config.ts
new file mode 100644
index 00000000000..b6f958cc6fb
--- /dev/null
+++ b/extensions/qa-lab/web/vite.config.ts
@@ -0,0 +1,11 @@
+import path from "node:path";
+import { defineConfig } from "vite";
+
+export default defineConfig({
+  root: path.resolve(import.meta.dirname),
+  base: "./",
+  build: {
+    outDir: path.resolve(import.meta.dirname, "dist"),
+    emptyOutDir: true,
+  },
+});
diff --git a/package.json b/package.json
index 12eca03ceec..f4d226f9a84 100644
--- a/package.json
+++ b/package.json
@@ -723,6 +723,10 @@
       "types": "./dist/plugin-sdk/nostr.d.ts",
       "default": "./dist/plugin-sdk/nostr.js"
     },
+    "./plugin-sdk/qa-channel": {
+      "types": "./dist/plugin-sdk/qa-channel.d.ts",
+      "default": "./dist/plugin-sdk/qa-channel.js"
+    },
     "./plugin-sdk/provider-auth": {
       "types": "./dist/plugin-sdk/provider-auth.d.ts",
       "default": "./dist/plugin-sdk/provider-auth.js"
@@ -1030,6 +1034,8 @@
     "protocol:gen": "node --import tsx scripts/protocol-gen.ts",
     "protocol:gen:swift": "node --import tsx scripts/protocol-gen-swift.ts",
     "qa:e2e": "node --import tsx scripts/qa-e2e.ts",
+    "qa:lab:build": "vite build --config extensions/qa-lab/web/vite.config.ts",
+    "qa:lab:ui": "pnpm openclaw qa ui",
     "release:check": "pnpm check:base-config-schema && pnpm check:bundled-channel-config-metadata && pnpm config:docs:check && pnpm plugin-sdk:check-exports && pnpm plugin-sdk:api:check && node --import tsx scripts/release-check.ts",
     "release:openclaw:npm:check": "node --import tsx scripts/openclaw-npm-release-check.ts",
     "release:openclaw:npm:verify-published": "node --import tsx scripts/openclaw-npm-postpublish-verify.ts",
diff --git a/scripts/lib/plugin-sdk-entrypoints.json b/scripts/lib/plugin-sdk-entrypoints.json
index 75392bf4c82..fc555415603 100644
--- a/scripts/lib/plugin-sdk-entrypoints.json
+++ b/scripts/lib/plugin-sdk-entrypoints.json
@@ -170,6 +170,7 @@
   "native-command-registry",
   "nextcloud-talk",
   "nostr",
+  "qa-channel",
   "provider-auth",
   "provider-auth-runtime",
   "provider-auth-api-key",
diff --git a/src/plugin-sdk/qa-channel.ts b/src/plugin-sdk/qa-channel.ts
new file mode 100644
index 00000000000..7b4c8241486
--- /dev/null
+++ b/src/plugin-sdk/qa-channel.ts
@@ -0,0 +1,40 @@
+// Narrow plugin-sdk surface for the bundled qa-channel plugin.
+// Keep this list additive and scoped to QA transport contracts.
+
+export {
+  buildQaTarget,
+  buildQaTarget as formatQaTarget,
+  createQaBusThread,
+  deleteQaBusMessage,
+  editQaBusMessage,
+  getQaBusState,
+  injectQaBusInboundMessage,
+  normalizeQaTarget,
+  parseQaTarget,
+  pollQaBus,
+  qaChannelPlugin,
+  reactToQaBusMessage,
+  readQaBusMessage,
+  searchQaBusMessages,
+  sendQaBusMessage,
+  setQaChannelRuntime,
+} from "../../extensions/qa-channel/api.js";
+export type {
+  QaBusConversation,
+  QaBusConversationKind,
+  QaBusCreateThreadInput,
+  QaBusDeleteMessageInput,
+  QaBusEditMessageInput,
+  QaBusEvent,
+  QaBusInboundMessageInput,
+  QaBusMessage,
+  QaBusOutboundMessageInput,
+  QaBusPollInput,
+  QaBusPollResult,
+  QaBusReactToMessageInput,
+  QaBusReadMessageInput,
+  QaBusSearchMessagesInput,
+  QaBusStateSnapshot,
+  QaBusThread,
+  QaBusWaitForInput,
+} from "../../extensions/qa-channel/api.js";
diff --git a/src/qa-e2e/bus-queries.ts b/src/qa-e2e/bus-queries.ts
index fe92541e2d9..57d9d5c96c8 100644
--- a/src/qa-e2e/bus-queries.ts
+++ b/src/qa-e2e/bus-queries.ts
@@ -1,136 +1 @@
-import type {
-  QaBusConversation,
-  QaBusEvent,
-  QaBusMessage,
-  QaBusPollInput,
-  QaBusPollResult,
-  QaBusReadMessageInput,
-  QaBusSearchMessagesInput,
-  QaBusStateSnapshot,
-  QaBusThread,
-} from "../../extensions/qa-channel/test-api.js";
-
-export const DEFAULT_ACCOUNT_ID = "default";
-
-export function normalizeAccountId(raw?: string): string {
-  const trimmed = raw?.trim();
-  return trimmed || DEFAULT_ACCOUNT_ID;
-}
-
-export function normalizeConversationFromTarget(target: string): {
-  conversation: QaBusConversation;
-  threadId?: string;
-} {
-  const trimmed = target.trim();
-  if (trimmed.startsWith("thread:")) {
-    const rest = trimmed.slice("thread:".length);
-    const slash = rest.indexOf("/");
-    if (slash > 0) {
-      return {
-        conversation: { id: rest.slice(0, slash), kind: "channel" },
-        threadId: rest.slice(slash + 1),
-      };
-    }
-  }
-  if (trimmed.startsWith("channel:")) {
-    return {
-      conversation: { id: trimmed.slice("channel:".length), kind: "channel" },
-    };
-  }
-  if (trimmed.startsWith("dm:")) {
-    return {
-      conversation: { id: trimmed.slice("dm:".length), kind: "direct" },
-    };
-  }
-  return {
-    conversation: { id: trimmed, kind: "direct" },
-  };
-}
-
-export function cloneMessage(message: QaBusMessage): QaBusMessage {
-  return {
-    ...message,
-    conversation: { ...message.conversation },
-    reactions: message.reactions.map((reaction) => ({ ...reaction })),
-  };
-}
-
-export function cloneEvent(event: QaBusEvent): QaBusEvent {
-  switch (event.kind) {
-    case "inbound-message":
-    case "outbound-message":
-    case "message-edited":
-    case "message-deleted":
-    case "reaction-added":
-      return { ...event, message: cloneMessage(event.message) };
-    case "thread-created":
-      return { ...event, thread: { ...event.thread } };
-  }
-}
-
-export function buildQaBusSnapshot(params: {
-  cursor: number;
-  conversations: Map<string, QaBusConversation>;
-  threads: Map<string, QaBusThread>;
-  messages: Map<string, QaBusMessage>;
-  events: QaBusEvent[];
-}): QaBusStateSnapshot {
-  return {
-    cursor: params.cursor,
-    conversations: Array.from(params.conversations.values()).map((conversation) => ({
-      ...conversation,
-    })),
-    threads: Array.from(params.threads.values()).map((thread) => ({ ...thread })),
-    messages: Array.from(params.messages.values()).map((message) => cloneMessage(message)),
-    events: params.events.map((event) => cloneEvent(event)),
-  };
-}
-
-export function readQaBusMessage(params: {
-  messages: Map<string, QaBusMessage>;
-  input: QaBusReadMessageInput;
-}) {
-  const message = params.messages.get(params.input.messageId);
-  if (!message) {
-    throw new Error(`qa-bus message not found: ${params.input.messageId}`);
-  }
-  return cloneMessage(message);
-}
-
-export function searchQaBusMessages(params: {
-  messages: Map<string, QaBusMessage>;
-  input: QaBusSearchMessagesInput;
-}) {
-  const accountId = normalizeAccountId(params.input.accountId);
-  const limit = Math.max(1, Math.min(params.input.limit ?? 20, 100));
-  const query = params.input.query?.trim().toLowerCase();
-  return Array.from(params.messages.values())
-    .filter((message) => message.accountId === accountId)
-    .filter((message) =>
-      params.input.conversationId ? message.conversation.id === params.input.conversationId : true,
-    )
-    .filter((message) =>
-      params.input.threadId ? message.threadId === params.input.threadId : true,
-    )
-    .filter((message) => (query ? message.text.toLowerCase().includes(query) : true))
-    .slice(-limit)
-    .map((message) => cloneMessage(message));
-}
-
-export function pollQaBusEvents(params: {
-  events: QaBusEvent[];
-  cursor: number;
-  input?: QaBusPollInput;
-}): QaBusPollResult {
-  const accountId = normalizeAccountId(params.input?.accountId);
-  const startCursor = params.input?.cursor ?? 0;
-  const limit = Math.max(1, Math.min(params.input?.limit ?? 100, 500));
-  const matches = params.events
-    .filter((event) => event.accountId === accountId && event.cursor > startCursor)
-    .slice(0, limit)
-    .map((event) => cloneEvent(event));
-  return {
-    cursor: params.cursor,
-    events: matches,
-  };
-}
+export * from "../../extensions/qa-lab/api.js";
diff --git a/src/qa-e2e/bus-server.ts b/src/qa-e2e/bus-server.ts
index efad93e647d..57d9d5c96c8 100644
--- a/src/qa-e2e/bus-server.ts
+++ b/src/qa-e2e/bus-server.ts
@@ -1,170 +1 @@
-import { createServer, type IncomingMessage, type Server, type ServerResponse } from "node:http";
-import type {
-  QaBusCreateThreadInput,
-  QaBusDeleteMessageInput,
-  QaBusEditMessageInput,
-  QaBusInboundMessageInput,
-  QaBusOutboundMessageInput,
-  QaBusPollInput,
-  QaBusReactToMessageInput,
-  QaBusReadMessageInput,
-  QaBusSearchMessagesInput,
-  QaBusWaitForInput,
-} from "../../extensions/qa-channel/test-api.js";
-import type { QaBusState } from "./bus-state.js";
-
-async function readJson(req: IncomingMessage): Promise<unknown> {
-  const chunks: Buffer[] = [];
-  for await (const chunk of req) {
-    chunks.push(Buffer.isBuffer(chunk) ? chunk : Buffer.from(chunk));
-  }
-  const text = Buffer.concat(chunks).toString("utf8").trim();
-  return text ? (JSON.parse(text) as unknown) : {};
-}
-
-function writeJson(res: ServerResponse, statusCode: number, body: unknown) {
-  const payload = JSON.stringify(body);
-  res.writeHead(statusCode, {
-    "content-type": "application/json; charset=utf-8",
-    "content-length": Buffer.byteLength(payload),
-  });
-  res.end(payload);
-}
-
-function writeError(res: ServerResponse, statusCode: number, error: unknown) {
-  writeJson(res, statusCode, {
-    error: error instanceof Error ? error.message : String(error),
-  });
-}
-
-async function handleRequest(params: {
-  req: IncomingMessage;
-  res: ServerResponse;
-  state: QaBusState;
-}) {
-  const method = params.req.method ?? "GET";
-  const url = new URL(params.req.url ?? "/", "http://127.0.0.1");
-
-  if (method === "GET" && url.pathname === "/health") {
-    writeJson(params.res, 200, { ok: true });
-    return;
-  }
-
-  if (method === "GET" && url.pathname === "/v1/state") {
-    writeJson(params.res, 200, params.state.getSnapshot());
-    return;
-  }
-
-  if (method !== "POST") {
-    writeError(params.res, 405, "method not allowed");
-    return;
-  }
-
-  const body = (await readJson(params.req)) as Record<string, unknown>;
-
-  try {
-    switch (url.pathname) {
-      case "/v1/reset":
-        params.state.reset();
-        writeJson(params.res, 200, { ok: true });
-        return;
-      case "/v1/inbound/message":
-        writeJson(params.res, 200, {
-          message: params.state.addInboundMessage(body as unknown as QaBusInboundMessageInput),
-        });
-        return;
-      case "/v1/outbound/message":
-        writeJson(params.res, 200, {
-          message: params.state.addOutboundMessage(body as unknown as QaBusOutboundMessageInput),
-        });
-        return;
-      case "/v1/actions/thread-create":
-        writeJson(params.res, 200, {
-          thread: params.state.createThread(body as unknown as QaBusCreateThreadInput),
-        });
-        return;
-      case "/v1/actions/react":
-        writeJson(params.res, 200, {
-          message: params.state.reactToMessage(body as unknown as QaBusReactToMessageInput),
-        });
-        return;
-      case "/v1/actions/edit":
-        writeJson(params.res, 200, {
-          message: params.state.editMessage(body as unknown as QaBusEditMessageInput),
-        });
-        return;
-      case "/v1/actions/delete":
-        writeJson(params.res, 200, {
-          message: params.state.deleteMessage(body as unknown as QaBusDeleteMessageInput),
-        });
-        return;
-      case "/v1/actions/read":
-        writeJson(params.res, 200, {
-          message: params.state.readMessage(body as unknown as QaBusReadMessageInput),
-        });
-        return;
-      case "/v1/actions/search":
-        writeJson(params.res, 200, {
-          messages: params.state.searchMessages(body as unknown as QaBusSearchMessagesInput),
-        });
-        return;
-      case "/v1/poll": {
-        const input = body as unknown as QaBusPollInput;
-        const timeoutMs = Math.max(0, Math.min(input.timeoutMs ?? 0, 30_000));
-        const initial = params.state.poll(input);
-        if (initial.events.length > 0 || timeoutMs === 0) {
-          writeJson(params.res, 200, initial);
-          return;
-        }
-        try {
-          await params.state.waitFor({
-            kind: "event-kind",
-            eventKind: "inbound-message",
-            timeoutMs,
-          });
-        } catch {
-          // timeout is fine for long-poll.
-        }
-        writeJson(params.res, 200, params.state.poll(input));
-        return;
-      }
-      case "/v1/wait":
-        writeJson(params.res, 200, {
-          match: await params.state.waitFor(body as unknown as QaBusWaitForInput),
-        });
-        return;
-      default:
-        writeError(params.res, 404, "not found");
-    }
-  } catch (error) {
-    writeError(params.res, 400, error);
-  }
-}
-
-export function createQaBusServer(state: QaBusState): Server {
-  return createServer(async (req, res) => {
-    await handleRequest({ req, res, state });
-  });
-}
-
-export async function startQaBusServer(params: { state: QaBusState; port?: number }) {
-  const server = createQaBusServer(params.state);
-  await new Promise<void>((resolve, reject) => {
-    server.once("error", reject);
-    server.listen(params.port ?? 0, "127.0.0.1", () => resolve());
-  });
-  const address = server.address();
-  if (!address || typeof address === "string") {
-    throw new Error("qa-bus failed to bind");
-  }
-  return {
-    server,
-    port: address.port,
-    baseUrl: `http://127.0.0.1:${address.port}`,
-    async stop() {
-      await new Promise<void>((resolve, reject) =>
-        server.close((error) => (error ? reject(error) : resolve())),
-      );
-    },
-  };
-}
+export * from "../../extensions/qa-lab/api.js";
diff --git a/src/qa-e2e/bus-state.test.ts b/src/qa-e2e/bus-state.test.ts
index 64d0123bd33..3d1aa921746 100644
--- a/src/qa-e2e/bus-state.test.ts
+++ b/src/qa-e2e/bus-state.test.ts
@@ -62,4 +62,38 @@ describe("qa-bus state", () => {
     });
     expect("id" in waited && waited.id).toBe(thread.id);
   });
+
+  it("replays fresh events after a reset rewinds the cursor", () => {
+    const state = createQaBusState();
+
+    state.addInboundMessage({
+      conversation: { id: "alice", kind: "direct" },
+      senderId: "alice",
+      text: "before reset",
+    });
+    const beforeReset = state.poll({
+      accountId: "default",
+      cursor: 0,
+    });
+    expect(beforeReset.events).toHaveLength(1);
+
+    state.reset();
+    state.addInboundMessage({
+      conversation: { id: "alice", kind: "direct" },
+      senderId: "alice",
+      text: "after reset",
+    });
+
+    const afterReset = state.poll({
+      accountId: "default",
+      cursor: beforeReset.cursor,
+    });
+    expect(afterReset.events).toHaveLength(1);
+    expect(afterReset.events[0]?.kind).toBe("inbound-message");
+    expect(
+      afterReset.events[0] &&
+        "message" in afterReset.events[0] &&
+        afterReset.events[0].message.text,
+    ).toBe("after reset");
+  });
 });
diff --git a/src/qa-e2e/bus-state.ts b/src/qa-e2e/bus-state.ts
index 76241d997fa..57d9d5c96c8 100644
--- a/src/qa-e2e/bus-state.ts
+++ b/src/qa-e2e/bus-state.ts
@@ -1,256 +1 @@
-import { randomUUID } from "node:crypto";
-import {
-  type QaBusConversation,
-  type QaBusCreateThreadInput,
-  type QaBusDeleteMessageInput,
-  type QaBusEditMessageInput,
-  type QaBusEvent,
-  type QaBusInboundMessageInput,
-  type QaBusMessage,
-  type QaBusOutboundMessageInput,
-  type QaBusPollInput,
-  type QaBusReadMessageInput,
-  type QaBusReactToMessageInput,
-  type QaBusSearchMessagesInput,
-  type QaBusThread,
-  type QaBusWaitForInput,
-} from "../../extensions/qa-channel/test-api.js";
-import {
-  buildQaBusSnapshot,
-  cloneMessage,
-  normalizeAccountId,
-  normalizeConversationFromTarget,
-  pollQaBusEvents,
-  readQaBusMessage,
-  searchQaBusMessages,
-} from "./bus-queries.js";
-import { createQaBusWaiterStore } from "./bus-waiters.js";
-
-const DEFAULT_BOT_ID = "openclaw";
-const DEFAULT_BOT_NAME = "OpenClaw QA";
-
-type QaBusEventSeed =
-  | Omit<Extract<QaBusEvent, { kind: "inbound-message" }>, "cursor">
-  | Omit<Extract<QaBusEvent, { kind: "outbound-message" }>, "cursor">
-  | Omit<Extract<QaBusEvent, { kind: "thread-created" }>, "cursor">
-  | Omit<Extract<QaBusEvent, { kind: "message-edited" }>, "cursor">
-  | Omit<Extract<QaBusEvent, { kind: "message-deleted" }>, "cursor">
-  | Omit<Extract<QaBusEvent, { kind: "reaction-added" }>, "cursor">;
-
-export function createQaBusState() {
-  const conversations = new Map<string, QaBusConversation>();
-  const threads = new Map<string, QaBusThread>();
-  const messages = new Map<string, QaBusMessage>();
-  const events: QaBusEvent[] = [];
-  let cursor = 0;
-  const waiters = createQaBusWaiterStore(() =>
-    buildQaBusSnapshot({
-      cursor,
-      conversations,
-      threads,
-      messages,
-      events,
-    }),
-  );
-
-  const pushEvent = (event: QaBusEventSeed | ((cursor: number) => QaBusEventSeed)): QaBusEvent => {
-    cursor += 1;
-    const next = typeof event === "function" ? event(cursor) : event;
-    const finalized = { cursor, ...next } as QaBusEvent;
-    events.push(finalized);
-    waiters.settle();
-    return finalized;
-  };
-
-  const ensureConversation = (conversation: QaBusConversation): QaBusConversation => {
-    const existing = conversations.get(conversation.id);
-    if (existing) {
-      if (!existing.title && conversation.title) {
-        existing.title = conversation.title;
-      }
-      return existing;
-    }
-    const created = { ...conversation };
-    conversations.set(created.id, created);
-    return created;
-  };
-
-  const createMessage = (params: {
-    direction: QaBusMessage["direction"];
-    accountId: string;
-    conversation: QaBusConversation;
-    senderId: string;
-    senderName?: string;
-    text: string;
-    timestamp?: number;
-    threadId?: string;
-    threadTitle?: string;
-    replyToId?: string;
-  }): QaBusMessage => {
-    const conversation = ensureConversation(params.conversation);
-    const message: QaBusMessage = {
-      id: randomUUID(),
-      accountId: params.accountId,
-      direction: params.direction,
-      conversation,
-      senderId: params.senderId,
-      senderName: params.senderName,
-      text: params.text,
-      timestamp: params.timestamp ?? Date.now(),
-      threadId: params.threadId,
-      threadTitle: params.threadTitle,
-      replyToId: params.replyToId,
-      reactions: [],
-    };
-    messages.set(message.id, message);
-    return message;
-  };
-
-  return {
-    reset() {
-      conversations.clear();
-      threads.clear();
-      messages.clear();
-      events.length = 0;
-      cursor = 0;
-      waiters.reset();
-    },
-    getSnapshot() {
-      return buildQaBusSnapshot({
-        cursor,
-        conversations,
-        threads,
-        messages,
-        events,
-      });
-    },
-    addInboundMessage(input: QaBusInboundMessageInput) {
-      const accountId = normalizeAccountId(input.accountId);
-      const message = createMessage({
-        direction: "inbound",
-        accountId,
-        conversation: input.conversation,
-        senderId: input.senderId,
-        senderName: input.senderName,
-        text: input.text,
-        timestamp: input.timestamp,
-        threadId: input.threadId,
-        threadTitle: input.threadTitle,
-        replyToId: input.replyToId,
-      });
-      pushEvent({
-        kind: "inbound-message",
-        accountId,
-        message: cloneMessage(message),
-      });
-      return cloneMessage(message);
-    },
-    addOutboundMessage(input: QaBusOutboundMessageInput) {
-      const accountId = normalizeAccountId(input.accountId);
-      const { conversation, threadId } = normalizeConversationFromTarget(input.to);
-      const message = createMessage({
-        direction: "outbound",
-        accountId,
-        conversation,
-        senderId: input.senderId?.trim() || DEFAULT_BOT_ID,
-        senderName: input.senderName?.trim() || DEFAULT_BOT_NAME,
-        text: input.text,
-        timestamp: input.timestamp,
-        threadId: input.threadId ?? threadId,
-        replyToId: input.replyToId,
-      });
-      pushEvent({
-        kind: "outbound-message",
-        accountId,
-        message: cloneMessage(message),
-      });
-      return cloneMessage(message);
-    },
-    createThread(input: QaBusCreateThreadInput) {
-      const accountId = normalizeAccountId(input.accountId);
-      const thread: QaBusThread = {
-        id: `thread-${randomUUID()}`,
-        accountId,
-        conversationId: input.conversationId,
-        title: input.title,
-        createdAt: input.timestamp ?? Date.now(),
-        createdBy: input.createdBy?.trim() || DEFAULT_BOT_ID,
-      };
-      threads.set(thread.id, thread);
-      ensureConversation({
-        id: input.conversationId,
-        kind: "channel",
-      });
-      pushEvent({
-        kind: "thread-created",
-        accountId,
-        thread: { ...thread },
-      });
-      return { ...thread };
-    },
-    reactToMessage(input: QaBusReactToMessageInput) {
-      const accountId = normalizeAccountId(input.accountId);
-      const message = messages.get(input.messageId);
-      if (!message) {
-        throw new Error(`qa-bus message not found: ${input.messageId}`);
-      }
-      const reaction = {
-        emoji: input.emoji,
-        senderId: input.senderId?.trim() || DEFAULT_BOT_ID,
-        timestamp: input.timestamp ?? Date.now(),
-      };
-      message.reactions.push(reaction);
-      pushEvent({
-        kind: "reaction-added",
-        accountId,
-        message: cloneMessage(message),
-        emoji: reaction.emoji,
-        senderId: reaction.senderId,
-      });
-      return cloneMessage(message);
-    },
-    editMessage(input: QaBusEditMessageInput) {
-      const accountId = normalizeAccountId(input.accountId);
-      const message = messages.get(input.messageId);
-      if (!message) {
-        throw new Error(`qa-bus message not found: ${input.messageId}`);
-      }
-      message.text = input.text;
-      message.editedAt = input.timestamp ?? Date.now();
-      pushEvent({
-        kind: "message-edited",
-        accountId,
-        message: cloneMessage(message),
-      });
-      return cloneMessage(message);
-    },
-    deleteMessage(input: QaBusDeleteMessageInput) {
-      const accountId = normalizeAccountId(input.accountId);
-      const message = messages.get(input.messageId);
-      if (!message) {
-        throw new Error(`qa-bus message not found: ${input.messageId}`);
-      }
-      message.deleted = true;
-      pushEvent({
-        kind: "message-deleted",
-        accountId,
-        message: cloneMessage(message),
-      });
-      return cloneMessage(message);
-    },
-    readMessage(input: QaBusReadMessageInput) {
-      return readQaBusMessage({ messages, input });
-    },
-    searchMessages(input: QaBusSearchMessagesInput) {
-      return searchQaBusMessages({ messages, input });
-    },
-    poll(input: QaBusPollInput = {}) {
-      return pollQaBusEvents({ events, cursor, input });
-    },
-    async waitFor(input: QaBusWaitForInput) {
-      return await waiters.waitFor(input);
-    },
-  };
-}
-
-export type QaBusState = ReturnType<typeof createQaBusState>;
+export * from "../../extensions/qa-lab/api.js";
diff --git a/src/qa-e2e/bus-waiters.ts b/src/qa-e2e/bus-waiters.ts
index 07c277a8af7..57d9d5c96c8 100644
--- a/src/qa-e2e/bus-waiters.ts
+++ b/src/qa-e2e/bus-waiters.ts
@@ -1,87 +1 @@
-import type {
-  QaBusEvent,
-  QaBusMessage,
-  QaBusStateSnapshot,
-  QaBusThread,
-  QaBusWaitForInput,
-} from "../../extensions/qa-channel/test-api.js";
-
-export const DEFAULT_WAIT_TIMEOUT_MS = 5_000;
-
-export type QaBusWaitMatch = QaBusEvent | QaBusMessage | QaBusThread;
-
-type Waiter = {
-  resolve: (event: QaBusWaitMatch) => void;
-  reject: (error: Error) => void;
-  timer: NodeJS.Timeout;
-  matcher: (snapshot: QaBusStateSnapshot) => QaBusWaitMatch | null;
-};
-
-function createQaBusMatcher(
-  input: QaBusWaitForInput,
-): (snapshot: QaBusStateSnapshot) => QaBusWaitMatch | null {
-  return (snapshot) => {
-    if (input.kind === "event-kind") {
-      return snapshot.events.find((event) => event.kind === input.eventKind) ?? null;
-    }
-    if (input.kind === "thread-id") {
-      return snapshot.threads.find((thread) => thread.id === input.threadId) ?? null;
-    }
-    return (
-      snapshot.messages.find(
-        (message) =>
-          (!input.direction || message.direction === input.direction) &&
-          message.text.includes(input.textIncludes),
-      ) ?? null
-    );
-  };
-}
-
-export function createQaBusWaiterStore(getSnapshot: () => QaBusStateSnapshot) {
-  const waiters = new Set<Waiter>();
-
-  return {
-    reset(reason = "qa-bus reset") {
-      for (const waiter of waiters) {
-        clearTimeout(waiter.timer);
-        waiter.reject(new Error(reason));
-      }
-      waiters.clear();
-    },
-    settle() {
-      if (waiters.size === 0) {
-        return;
-      }
-      const snapshot = getSnapshot();
-      for (const waiter of Array.from(waiters)) {
-        const match = waiter.matcher(snapshot);
-        if (!match) {
-          continue;
-        }
-        clearTimeout(waiter.timer);
-        waiters.delete(waiter);
-        waiter.resolve(match);
-      }
-    },
-    async waitFor(input: QaBusWaitForInput) {
-      const matcher = createQaBusMatcher(input);
-      const immediate = matcher(getSnapshot());
-      if (immediate) {
-        return immediate;
-      }
-      return await new Promise<QaBusWaitMatch>((resolve, reject) => {
-        const timeoutMs = input.timeoutMs ?? DEFAULT_WAIT_TIMEOUT_MS;
-        const waiter: Waiter = {
-          resolve,
-          reject,
-          matcher,
-          timer: setTimeout(() => {
-            waiters.delete(waiter);
-            reject(new Error(`qa-bus wait timeout after ${timeoutMs}ms`));
-          }, timeoutMs),
-        };
-        waiters.add(waiter);
-      });
-    },
-  };
-}
+export * from "../../extensions/qa-lab/api.js";
diff --git a/src/qa-e2e/harness-runtime.ts b/src/qa-e2e/harness-runtime.ts
index 5c59ed59d0b..57d9d5c96c8 100644
--- a/src/qa-e2e/harness-runtime.ts
+++ b/src/qa-e2e/harness-runtime.ts
@@ -1,75 +1 @@
-import type { PluginRuntime } from "../plugins/runtime/types.js";
-
-type SessionRecord = {
-  sessionKey: string;
-  body: string;
-};
-
-export function createQaRunnerRuntime(): PluginRuntime {
-  const sessions = new Map<string, SessionRecord>();
-  return {
-    channel: {
-      routing: {
-        resolveAgentRoute({
-          accountId,
-          peer,
-        }: {
-          accountId?: string | null;
-          peer?: { kind?: string; id?: string } | null;
-        }) {
-          return {
-            agentId: "qa-agent",
-            accountId: accountId ?? "default",
-            sessionKey: `qa-agent:${peer?.kind ?? "direct"}:${peer?.id ?? "default"}`,
-            mainSessionKey: "qa-agent:main",
-            lastRoutePolicy: "session",
-            matchedBy: "default",
-            channel: "qa-channel",
-          };
-        },
-      },
-      session: {
-        resolveStorePath(_store: string | undefined, { agentId }: { agentId: string }) {
-          return agentId;
-        },
-        readSessionUpdatedAt({ sessionKey }: { sessionKey: string }) {
-          return sessions.has(sessionKey) ? Date.now() : undefined;
-        },
-        recordInboundSession({
-          sessionKey,
-          ctx,
-        }: {
-          sessionKey: string;
-          ctx: { BodyForAgent?: string; Body?: string };
-        }) {
-          sessions.set(sessionKey, {
-            sessionKey,
-            body: String(ctx.BodyForAgent ?? ctx.Body ?? ""),
-          });
-        },
-      },
-      reply: {
-        resolveEnvelopeFormatOptions() {
-          return {};
-        },
-        formatAgentEnvelope({ body }: { body: string }) {
-          return body;
-        },
-        finalizeInboundContext(ctx: Record<string, unknown>) {
-          return ctx as typeof ctx & { CommandAuthorized: boolean };
-        },
-        async dispatchReplyWithBufferedBlockDispatcher({
-          ctx,
-          dispatcherOptions,
-        }: {
-          ctx: { BodyForAgent?: string; Body?: string };
-          dispatcherOptions: { deliver: (payload: { text: string }) => Promise<void> };
-        }) {
-          await dispatcherOptions.deliver({
-            text: `qa-echo: ${String(ctx.BodyForAgent ?? ctx.Body ?? "")}`,
-          });
-        },
-      },
-    },
-  } as unknown as PluginRuntime;
-}
+export * from "../../extensions/qa-lab/api.js";
diff --git a/src/qa-e2e/report.ts b/src/qa-e2e/report.ts
index ff8c254d92d..57d9d5c96c8 100644
--- a/src/qa-e2e/report.ts
+++ b/src/qa-e2e/report.ts
@@ -1,91 +1 @@
-export type QaReportCheck = {
-  name: string;
-  status: "pass" | "fail" | "skip";
-  details?: string;
-};
-
-export type QaReportScenario = {
-  name: string;
-  status: "pass" | "fail" | "skip";
-  details?: string;
-  steps?: QaReportCheck[];
-};
-
-export function renderQaMarkdownReport(params: {
-  title: string;
-  startedAt: Date;
-  finishedAt: Date;
-  checks?: QaReportCheck[];
-  scenarios?: QaReportScenario[];
-  timeline?: string[];
-  notes?: string[];
-}) {
-  const checks = params.checks ?? [];
-  const scenarios = params.scenarios ?? [];
-  const passCount =
-    checks.filter((check) => check.status === "pass").length +
-    scenarios.filter((scenario) => scenario.status === "pass").length;
-  const failCount =
-    checks.filter((check) => check.status === "fail").length +
-    scenarios.filter((scenario) => scenario.status === "fail").length;
-
-  const lines = [
-    `# ${params.title}`,
-    "",
-    `- Started: ${params.startedAt.toISOString()}`,
-    `- Finished: ${params.finishedAt.toISOString()}`,
-    `- Duration ms: ${params.finishedAt.getTime() - params.startedAt.getTime()}`,
-    `- Passed: ${passCount}`,
-    `- Failed: ${failCount}`,
-    "",
-  ];
-
-  if (checks.length > 0) {
-    lines.push("## Checks", "");
-    for (const check of checks) {
-      lines.push(`- [${check.status === "pass" ? "x" : " "}] ${check.name}`);
-      if (check.details) {
-        lines.push(`  - ${check.details}`);
-      }
-    }
-  }
-
-  if (scenarios.length > 0) {
-    lines.push("", "## Scenarios", "");
-    for (const scenario of scenarios) {
-      lines.push(`### ${scenario.name}`);
-      lines.push("");
-      lines.push(`- Status: ${scenario.status}`);
-      if (scenario.details) {
-        lines.push(`- Details: ${scenario.details}`);
-      }
-      if (scenario.steps?.length) {
-        lines.push("- Steps:");
-        for (const step of scenario.steps) {
-          lines.push(`  - [${step.status === "pass" ? "x" : " "}] ${step.name}`);
-          if (step.details) {
-            lines.push(`    - ${step.details}`);
-          }
-        }
-      }
-      lines.push("");
-    }
-  }
-
-  if (params.timeline && params.timeline.length > 0) {
-    lines.push("## Timeline", "");
-    for (const item of params.timeline) {
-      lines.push(`- ${item}`);
-    }
-  }
-
-  if (params.notes && params.notes.length > 0) {
-    lines.push("", "## Notes", "");
-    for (const note of params.notes) {
-      lines.push(`- ${note}`);
-    }
-  }
-
-  lines.push("");
-  return lines.join("\n");
-}
+export * from "../../extensions/qa-lab/api.js";
diff --git a/src/qa-e2e/runner.ts b/src/qa-e2e/runner.ts
index 7903579fe79..57d9d5c96c8 100644
--- a/src/qa-e2e/runner.ts
+++ b/src/qa-e2e/runner.ts
@@ -1,124 +1 @@
-import fs from "node:fs/promises";
-import path from "node:path";
-import { qaChannelPlugin, setQaChannelRuntime } from "../../extensions/qa-channel/api.js";
-import type { OpenClawConfig } from "../config/config.js";
-import { startQaBusServer } from "./bus-server.js";
-import { createQaBusState } from "./bus-state.js";
-import { createQaRunnerRuntime } from "./harness-runtime.js";
-import { renderQaMarkdownReport } from "./report.js";
-import { runQaScenario } from "./scenario.js";
-import { createQaSelfCheckScenario } from "./self-check-scenario.js";
-
-export async function runQaE2eSelfCheck(params?: { outputPath?: string }) {
-  const startedAt = new Date();
-  const state = createQaBusState();
-  const bus = await startQaBusServer({ state });
-  const runtime = createQaRunnerRuntime();
-  setQaChannelRuntime(runtime);
-
-  const cfg: OpenClawConfig = {
-    channels: {
-      "qa-channel": {
-        enabled: true,
-        baseUrl: bus.baseUrl,
-        botUserId: "openclaw",
-        botDisplayName: "OpenClaw QA",
-        allowFrom: ["*"],
-      },
-    },
-  };
-
-  const account = qaChannelPlugin.config.resolveAccount(cfg, "default");
-  const abort = new AbortController();
-
-  const task = qaChannelPlugin.gateway?.startAccount?.({
-    accountId: account.accountId,
-    account,
-    cfg,
-    runtime: {
-      log: () => undefined,
-      error: () => undefined,
-      exit: () => undefined,
-    },
-    abortSignal: abort.signal,
-    log: {
-      info: () => undefined,
-      warn: () => undefined,
-      error: () => undefined,
-      debug: () => undefined,
-    },
-    getStatus: () => ({
-      accountId: account.accountId,
-      configured: true,
-      enabled: true,
-      running: true,
-    }),
-    setStatus: () => undefined,
-  });
-
-  const checks: Array<{ name: string; status: "pass" | "fail"; details?: string }> = [];
-  let scenarioResult: Awaited<ReturnType<typeof runQaScenario>> | undefined;
-
-  try {
-    scenarioResult = await runQaScenario(createQaSelfCheckScenario(cfg), { state });
-    checks.push({
-      name: "QA self-check scenario",
-      status: scenarioResult.status,
-      details: `${scenarioResult.steps.filter((step) => step.status === "pass").length}/${scenarioResult.steps.length} steps passed`,
-    });
-  } catch (error) {
-    checks.push({
-      name: "QA self-check",
-      status: "fail",
-      details: error instanceof Error ? error.message : String(error),
-    });
-  } finally {
-    abort.abort();
-    await task;
-    await bus.stop();
-  }
-
-  const finishedAt = new Date();
-  const snapshot = state.getSnapshot();
-  const timeline = snapshot.events.map((event) => {
-    switch (event.kind) {
-      case "thread-created":
-        return `${event.cursor}. ${event.kind} ${event.thread.conversationId}/${event.thread.id}`;
-      case "reaction-added":
-        return `${event.cursor}. ${event.kind} ${event.message.id} ${event.emoji}`;
-      default:
-        return `${event.cursor}. ${event.kind} ${"message" in event ? event.message.id : ""}`.trim();
-    }
-  });
-  const report = renderQaMarkdownReport({
-    title: "OpenClaw QA E2E Self-Check",
-    startedAt,
-    finishedAt,
-    checks,
-    scenarios: scenarioResult
-      ? [
-          {
-            name: scenarioResult.name,
-            status: scenarioResult.status,
-            details: scenarioResult.details,
-            steps: scenarioResult.steps,
-          },
-        ]
-      : undefined,
-    timeline,
-    notes: [
-      "Vertical slice only: bus + bundled qa-channel + in-process runner runtime.",
-      "Full Docker orchestration and model/provider matrix remain follow-up work.",
-    ],
-  });
-
-  const outputPath =
-    params?.outputPath ?? path.join(process.cwd(), ".artifacts", "qa-e2e", "self-check.md");
-  await fs.mkdir(path.dirname(outputPath), { recursive: true });
-  await fs.writeFile(outputPath, report, "utf8");
-  return {
-    outputPath,
-    report,
-    checks,
-  };
-}
+export * from "../../extensions/qa-lab/api.js";
diff --git a/src/qa-e2e/scenario.ts b/src/qa-e2e/scenario.ts
index 6e839875aeb..57d9d5c96c8 100644
--- a/src/qa-e2e/scenario.ts
+++ b/src/qa-e2e/scenario.ts
@@ -1,65 +1 @@
-import type { QaBusState } from "./bus-state.js";
-
-export type QaScenarioStepContext = {
-  state: QaBusState;
-};
-
-export type QaScenarioStep = {
-  name: string;
-  run: (ctx: QaScenarioStepContext) => Promise<string | void>;
-};
-
-export type QaScenarioDefinition = {
-  name: string;
-  steps: QaScenarioStep[];
-};
-
-export type QaScenarioStepResult = {
-  name: string;
-  status: "pass" | "fail";
-  details?: string;
-};
-
-export type QaScenarioResult = {
-  name: string;
-  status: "pass" | "fail";
-  steps: QaScenarioStepResult[];
-  details?: string;
-};
-
-export async function runQaScenario(
-  definition: QaScenarioDefinition,
-  ctx: QaScenarioStepContext,
-): Promise<QaScenarioResult> {
-  const steps: QaScenarioStepResult[] = [];
-
-  for (const step of definition.steps) {
-    try {
-      const details = await step.run(ctx);
-      steps.push({
-        name: step.name,
-        status: "pass",
-        ...(details ? { details } : {}),
-      });
-    } catch (error) {
-      const details = error instanceof Error ? error.message : String(error);
-      steps.push({
-        name: step.name,
-        status: "fail",
-        details,
-      });
-      return {
-        name: definition.name,
-        status: "fail",
-        steps,
-        details,
-      };
-    }
-  }
-
-  return {
-    name: definition.name,
-    status: "pass",
-    steps,
-  };
-}
+export * from "../../extensions/qa-lab/api.js";
diff --git a/src/qa-e2e/self-check-scenario.ts b/src/qa-e2e/self-check-scenario.ts
index 7aec1f81f60..57d9d5c96c8 100644
--- a/src/qa-e2e/self-check-scenario.ts
+++ b/src/qa-e2e/self-check-scenario.ts
@@ -1,122 +1 @@
-import { qaChannelPlugin } from "../../extensions/qa-channel/api.js";
-import type { OpenClawConfig } from "../config/config.js";
-import { extractToolPayload } from "../infra/outbound/tool-payload.js";
-import type { QaScenarioDefinition } from "./scenario.js";
-
-export function createQaSelfCheckScenario(cfg: OpenClawConfig): QaScenarioDefinition {
-  return {
-    name: "Synthetic Slack-class roundtrip",
-    steps: [
-      {
-        name: "DM echo roundtrip",
-        async run({ state }) {
-          state.addInboundMessage({
-            conversation: { id: "alice", kind: "direct" },
-            senderId: "alice",
-            senderName: "Alice",
-            text: "hello from qa",
-          });
-          await state.waitFor({
-            kind: "message-text",
-            textIncludes: "qa-echo: hello from qa",
-            direction: "outbound",
-            timeoutMs: 5_000,
-          });
-        },
-      },
-      {
-        name: "Thread create and threaded echo",
-        async run({ state }) {
-          const threadResult = await qaChannelPlugin.actions?.handleAction?.({
-            channel: "qa-channel",
-            action: "thread-create",
-            cfg,
-            accountId: "default",
-            params: {
-              channelId: "qa-room",
-              title: "QA thread",
-            },
-          });
-          const threadPayload = (threadResult ? extractToolPayload(threadResult) : undefined) as
-            | { thread?: { id?: string } }
-            | undefined;
-          const threadId = threadPayload?.thread?.id;
-          if (!threadId) {
-            throw new Error("thread-create did not return thread id");
-          }
-
-          state.addInboundMessage({
-            conversation: { id: "qa-room", kind: "channel", title: "QA Room" },
-            senderId: "alice",
-            senderName: "Alice",
-            text: "inside thread",
-            threadId,
-            threadTitle: "QA thread",
-          });
-          await state.waitFor({
-            kind: "message-text",
-            textIncludes: "qa-echo: inside thread",
-            direction: "outbound",
-            timeoutMs: 5_000,
-          });
-          return threadId;
-        },
-      },
-      {
-        name: "Reaction, edit, delete lifecycle",
-        async run({ state }) {
-          const outbound = state
-            .searchMessages({ query: "qa-echo: inside thread", conversationId: "qa-room" })
-            .at(-1);
-          if (!outbound) {
-            throw new Error("threaded outbound message not found");
-          }
-
-          await qaChannelPlugin.actions?.handleAction?.({
-            channel: "qa-channel",
-            action: "react",
-            cfg,
-            accountId: "default",
-            params: {
-              messageId: outbound.id,
-              emoji: "white_check_mark",
-            },
-          });
-          const reacted = state.readMessage({ messageId: outbound.id });
-          if (reacted.reactions.length === 0) {
-            throw new Error("reaction not recorded");
-          }
-
-          await qaChannelPlugin.actions?.handleAction?.({
-            channel: "qa-channel",
-            action: "edit",
-            cfg,
-            accountId: "default",
-            params: {
-              messageId: outbound.id,
-              text: "qa-echo: inside thread (edited)",
-            },
-          });
-          const edited = state.readMessage({ messageId: outbound.id });
-          if (!edited.text.includes("(edited)")) {
-            throw new Error("edit not recorded");
-          }
-
-          await qaChannelPlugin.actions?.handleAction?.({
-            channel: "qa-channel",
-            action: "delete",
-            cfg,
-            accountId: "default",
-            params: {
-              messageId: outbound.id,
-            },
-          });
-          const deleted = state.readMessage({ messageId: outbound.id });
-          if (!deleted.deleted) {
-            throw new Error("delete not recorded");
-          }
-        },
-      },
-    ],
-  };
-}
+export * from "../../extensions/qa-lab/api.js";