feat(KB-012): add --paused flag to dashboard command

- Add --paused CLI flag to start dashboard in paused mode
- Update runDashboard to accept paused option
- Add comprehensive tests for --paused flag behavior
- Update STANDALONE.md documentation with new flag
- Add changeset for patch release

packages/cli/src/bin.ts

@@ -46,6 +46,7 @@ kb — AI-orchestrated task board
 
 Usage:
   kb dashboard                        Start the board web UI
+  kb dashboard --paused               Start with automation paused
   kb task create [desc] [opts]         Create a new task (goes to triage)
   kb task list                        List all tasks
   kb task show <id>                   Show task details, steps, log
@@ -60,6 +61,7 @@ Usage:
 
 Options:
   --port, -p <port>          Dashboard port (default: 4040)
+  --paused                   Start with engine paused (automation disabled)
   --attach <file>            Attach file(s) on task create (repeatable)
   --depends <id>             Declare dependency on task create (repeatable)
   --limit, -l <n>            Max issues to import (default: 30, max: 100)
@@ -92,7 +94,8 @@ async function main() {
         const pi = portIdx !== -1 ? portIdx : portIdxShort;
         const port = pi !== -1 ? parseInt(args[pi + 1], 10) : 4040;
         const open = !args.includes("--no-open");
-        await runDashboard(port, { open });
+        const paused = args.includes("--paused");
+        await runDashboard(port, { open, paused });
         break;
       }
 

packages/cli/src/commands/dashboard.test.ts

@@ -12,6 +12,7 @@ function makeMockStore() {
     init: vi.fn().mockResolvedValue(undefined),
     watch: vi.fn().mockResolvedValue(undefined),
     stopWatching: vi.fn(),
+    updateSettings: vi.fn().mockResolvedValue(undefined),
     getSettings: vi.fn().mockResolvedValue({
       maxConcurrent: 1,
       maxWorktrees: 2,
@@ -613,3 +614,115 @@ describe("runDashboard — enginePaused (soft pause)", () => {
     expect(mergedIds).toContain("KB-EP2");
   });
 });
+
+describe("runDashboard — --paused flag", () => {
+  let mockStore: ReturnType<typeof makeMockStore>;
+  let consoleSpy: ReturnType<typeof vi.spyOn>;
+
+  beforeEach(async () => {
+    capturedExecutorOpts = undefined;
+    vi.clearAllMocks();
+    mockStore = makeMockStore();
+    const { TaskStore } = await import("@kb/core");
+    (TaskStore as ReturnType<typeof vi.fn>).mockImplementation(() => mockStore);
+    const engine = await import("@kb/engine");
+    (engine.aiMergeTask as ReturnType<typeof vi.fn>).mockImplementation(() =>
+      Promise.resolve({ merged: true }),
+    );
+    (engine.TaskExecutor as unknown as ReturnType<typeof vi.fn>).mockImplementation(
+      (_store: unknown, _cwd: unknown, opts: unknown) => {
+        capturedExecutorOpts = opts as Record<string, unknown>;
+        return { resumeOrphaned: vi.fn().mockResolvedValue(undefined) };
+      },
+    );
+    consoleSpy = vi.spyOn(console, "log").mockImplementation(() => {});
+  });
+
+  afterEach(() => {
+    consoleSpy.mockRestore();
+  });
+
+  it("calls store.updateSettings({ enginePaused: true }) when paused: true is passed", async () => {
+    await runDashboard(0, { open: false, paused: true });
+
+    expect(mockStore.updateSettings).toHaveBeenCalledWith({ enginePaused: true });
+  });
+
+  it("logs a message when starting in paused mode", async () => {
+    await runDashboard(0, { open: false, paused: true });
+
+    expect(consoleSpy).toHaveBeenCalledWith(
+      "[engine] Starting in paused mode — automation disabled",
+    );
+  });
+
+  it("does NOT set enginePaused when paused option is absent", async () => {
+    await runDashboard(0, { open: false });
+
+    // updateSettings should not be called with enginePaused during normal startup
+    const enginePausedCalls = mockStore.updateSettings.mock.calls.filter(
+      (call: any[]) => call[0]?.enginePaused !== undefined,
+    );
+    expect(enginePausedCalls).toHaveLength(0);
+  });
+
+  it("does NOT log paused message when starting normally", async () => {
+    await runDashboard(0, { open: false });
+
+    const pausedMessageCalls = consoleSpy.mock.calls.filter(
+      (args) => args[0] === "[engine] Starting in paused mode — automation disabled",
+    );
+    expect(pausedMessageCalls).toHaveLength(0);
+  });
+});
+
+describe("runDashboard — --paused flag", () => {
+  let mockStore: ReturnType<typeof makeMockStore>;
+  let consoleSpy: ReturnType<typeof vi.spyOn>;
+
+  beforeEach(async () => {
+    vi.clearAllMocks();
+    mockStore = makeMockStore();
+    const { TaskStore } = await import("@kb/core");
+    (TaskStore as ReturnType<typeof vi.fn>).mockImplementation(() => mockStore);
+    const engine = await import("@kb/engine");
+    (engine.TaskExecutor as unknown as ReturnType<typeof vi.fn>).mockImplementation(
+      () => ({ resumeOrphaned: vi.fn().mockResolvedValue(undefined) }),
+    );
+    consoleSpy = vi.spyOn(console, "log").mockImplementation(() => {});
+  });
+
+  afterEach(() => {
+    consoleSpy.mockRestore();
+  });
+
+  it("calls store.updateSettings({ enginePaused: true }) when paused: true is passed", async () => {
+    await runDashboard(0, { open: false, paused: true });
+
+    expect(mockStore.updateSettings).toHaveBeenCalledWith({ enginePaused: true });
+    expect(mockStore.updateSettings).toHaveBeenCalledTimes(1);
+  });
+
+  it("does NOT call store.updateSettings when paused flag is absent", async () => {
+    await runDashboard(0, { open: false });
+
+    expect(mockStore.updateSettings).not.toHaveBeenCalled();
+  });
+
+  it("logs paused mode message when starting with paused: true", async () => {
+    await runDashboard(0, { open: false, paused: true });
+
+    expect(consoleSpy).toHaveBeenCalledWith(
+      "[engine] Starting in paused mode — automation disabled",
+    );
+  });
+
+  it("does NOT log paused mode message when paused flag is absent", async () => {
+    await runDashboard(0, { open: false });
+
+    const pausedMessageCalls = consoleSpy.mock.calls.filter(
+      (args) => typeof args[0] === "string" && args[0].includes("paused mode"),
+    );
+    expect(pausedMessageCalls).toHaveLength(0);
+  });
+});

packages/cli/src/commands/dashboard.ts

@@ -13,12 +13,18 @@ function openBrowser(url: string): void {
   exec(cmd, () => {});
 }
 
-export async function runDashboard(port: number, opts: { open?: boolean } = {}) {
+export async function runDashboard(port: number, opts: { open?: boolean; paused?: boolean } = {}) {
   const cwd = process.cwd();
   const store = new TaskStore(cwd);
   await store.init();
   await store.watch();
 
+  // Set enginePaused if starting in paused mode
+  if (opts.paused) {
+    await store.updateSettings({ enginePaused: true });
+    console.log("[engine] Starting in paused mode — automation disabled");
+  }
+
   // ── Shared concurrency semaphore ──────────────────────────────────
   //
   // Gates all agentic activities (triage, execution, merge) behind a