diff --git a/apps/extension/src/content/BorrowConfirmationOverlay.tsx b/apps/extension/src/content/BorrowConfirmationOverlay.tsx
index afcc677..0931834 100644
--- a/apps/extension/src/content/BorrowConfirmationOverlay.tsx
+++ b/apps/extension/src/content/BorrowConfirmationOverlay.tsx
@@ -1,6 +1,6 @@
 import { useTranslation } from "@browser-skill/i18n/react";
 import { RiCloseLine } from "@remixicon/react";
-import { useEffect, useRef, useState, type TransitionEvent } from "react";
+import { type TransitionEvent, useEffect, useRef, useState } from "react";
 import logoUrl from "../../assets/logo.png";
 
 export interface BorrowRequestData {
diff --git a/apps/extension/src/content/HelpRequestOverlay.tsx b/apps/extension/src/content/HelpRequestOverlay.tsx
index 1dc4fb9..7da83fb 100644
--- a/apps/extension/src/content/HelpRequestOverlay.tsx
+++ b/apps/extension/src/content/HelpRequestOverlay.tsx
@@ -1,12 +1,12 @@
 import { useTranslation } from "@browser-skill/i18n/react";
 import { RiArrowDownSLine } from "@remixicon/react";
 import {
+  type PointerEvent as ReactPointerEvent,
   useCallback,
   useEffect,
   useLayoutEffect,
   useRef,
   useState,
-  type PointerEvent as ReactPointerEvent,
 } from "react";
 import logoUrl from "../../assets/logo.png";
 
@@ -239,25 +239,29 @@ export function HelpRequestOverlay({ request }: Props) {
     };
   }, [request]);
 
-  const onHeaderPointerDown = useCallback((e: ReactPointerEvent<HTMLDivElement>) => {
-    if (e.button !== 0) return;
-    if (e.target instanceof Element && e.target.closest("button, input, textarea, a, select")) return;
-    const banner = bannerRef.current;
-    if (!banner) return;
-    const rect = banner.getBoundingClientRect();
-    dragStartRef.current = {
-      pointerX: e.clientX,
-      pointerY: e.clientY,
-      originLeft: rect.left,
-      originTop: rect.top,
-      panelW: banner.offsetWidth || PANEL_WIDTH,
-      panelH: banner.offsetHeight || (collapsed ? FALLBACK_PANEL_H_COLLAPSED : FALLBACK_PANEL_H),
-    };
-    userMovedRef.current = true;
-    setDragPos({ top: rect.top, left: rect.left });
-    setDragging(true);
-    e.preventDefault();
-  }, [collapsed]);
+  const onHeaderPointerDown = useCallback(
+    (e: ReactPointerEvent<HTMLDivElement>) => {
+      if (e.button !== 0) return;
+      if (e.target instanceof Element && e.target.closest("button, input, textarea, a, select"))
+        return;
+      const banner = bannerRef.current;
+      if (!banner) return;
+      const rect = banner.getBoundingClientRect();
+      dragStartRef.current = {
+        pointerX: e.clientX,
+        pointerY: e.clientY,
+        originLeft: rect.left,
+        originTop: rect.top,
+        panelW: banner.offsetWidth || PANEL_WIDTH,
+        panelH: banner.offsetHeight || (collapsed ? FALLBACK_PANEL_H_COLLAPSED : FALLBACK_PANEL_H),
+      };
+      userMovedRef.current = true;
+      setDragPos({ top: rect.top, left: rect.left });
+      setDragging(true);
+      e.preventDefault();
+    },
+    [collapsed],
+  );
 
   useEffect(() => {
     if (!dragging) return;
@@ -636,7 +640,11 @@ export function HelpRequestOverlay({ request }: Props) {
         </div>
 
         <div className="bsk-help-header">
-          <img src={logoUrl} alt="browser-skill" style={{ width: 22, height: 22, borderRadius: 4 }} />
+          <img
+            src={logoUrl}
+            alt="browser-skill"
+            style={{ width: 22, height: 22, borderRadius: 4 }}
+          />
           <span className="bsk-help-title">{request.title ?? t("helpRequest.title")}</span>
           <div className="bsk-help-header-actions" aria-hidden={!collapsed}>
             <button
diff --git a/apps/extension/src/content/__tests__/HelpRequestOverlay.test.tsx b/apps/extension/src/content/__tests__/HelpRequestOverlay.test.tsx
index c7b3e19..828213e 100644
--- a/apps/extension/src/content/__tests__/HelpRequestOverlay.test.tsx
+++ b/apps/extension/src/content/__tests__/HelpRequestOverlay.test.tsx
@@ -3,7 +3,7 @@ import { I18nextProvider } from "@browser-skill/i18n/react";
 import { cleanup, fireEvent, render, screen } from "@testing-library/react";
 import { createElement } from "react";
 import { afterEach, describe, expect, it, vi } from "vitest";
-import { HelpRequestOverlay, type HelpRequestData } from "../HelpRequestOverlay";
+import { type HelpRequestData, HelpRequestOverlay } from "../HelpRequestOverlay";
 
 function renderOverlay(req: HelpRequestData) {
   return render(
@@ -79,7 +79,7 @@ describe("HelpRequestOverlay", () => {
     renderOverlay(baseRequest({ selectors: ["#login", "#missing"] }));
     // One highlight box rendered for the matched selector.
     expect(document.querySelectorAll("[data-slot='help-highlight']").length).toBe(1);
-    expect((el.scrollIntoView as ReturnType<typeof vi.fn>)).toHaveBeenCalled();
+    expect(el.scrollIntoView as ReturnType<typeof vi.fn>).toHaveBeenCalled();
     el.remove();
   });
 
@@ -115,8 +115,8 @@ describe("HelpRequestOverlay", () => {
       ),
     );
 
-    expect((elA.scrollIntoView as ReturnType<typeof vi.fn>)).toHaveBeenCalled();
-    expect((elB.scrollIntoView as ReturnType<typeof vi.fn>)).toHaveBeenCalled();
+    expect(elA.scrollIntoView as ReturnType<typeof vi.fn>).toHaveBeenCalled();
+    expect(elB.scrollIntoView as ReturnType<typeof vi.fn>).toHaveBeenCalled();
     elA.remove();
     elB.remove();
   });
@@ -286,9 +286,7 @@ describe("HelpRequestOverlay", () => {
   it("does not start drag when pointer down on a button in the header", () => {
     const { container } = renderOverlay(baseRequest());
     const banner = container.querySelector("[data-slot='help-request-banner']") as HTMLElement;
-    const collapseBtn = screen.getByLabelText(
-      i18n.t("helpRequest.collapse", { ns: "extension" }),
-    );
+    const collapseBtn = screen.getByLabelText(i18n.t("helpRequest.collapse", { ns: "extension" }));
 
     fireEvent.pointerDown(collapseBtn, { button: 0, clientX: 10, clientY: 10, pointerId: 1 });
 
diff --git a/apps/extension/src/entrypoints/__tests__/background-interrupt.test.ts b/apps/extension/src/entrypoints/__tests__/background-interrupt.test.ts
index 2e69da4..c22c401 100644
--- a/apps/extension/src/entrypoints/__tests__/background-interrupt.test.ts
+++ b/apps/extension/src/entrypoints/__tests__/background-interrupt.test.ts
@@ -1,4 +1,4 @@
-import { describe, it, expect, vi } from "vitest";
+import { describe, expect, it, vi } from "vitest";
 
 // `background.ts` is a WXT entrypoint that calls the global `defineBackground`
 // at module load. WXT injects that helper at build time via auto-imports;
diff --git a/apps/extension/src/entrypoints/background.ts b/apps/extension/src/entrypoints/background.ts
index 285c023..93d057e 100644
--- a/apps/extension/src/entrypoints/background.ts
+++ b/apps/extension/src/entrypoints/background.ts
@@ -167,9 +167,9 @@ export default defineBackground(() => {
           // silently doing nothing (review M4/M5 C2).
           console.warn("[browser-skill] set_port is not wired yet; ignoring", msg.value);
         } else if (msg.kind === "set_connection_enabled") {
-          void controller.setConnectionEnabled(msg.value).then(() =>
-            persistConnectionEnabled(msg.value),
-          );
+          void controller
+            .setConnectionEnabled(msg.value)
+            .then(() => persistConnectionEnabled(msg.value));
         }
       }
     });
diff --git a/apps/extension/src/entrypoints/content.ts b/apps/extension/src/entrypoints/content.ts
index 7ffb362..b9e9dee 100644
--- a/apps/extension/src/entrypoints/content.ts
+++ b/apps/extension/src/entrypoints/content.ts
@@ -1,3 +1,7 @@
+import { i18n } from "@browser-skill/i18n";
+import { I18nextProvider } from "@browser-skill/i18n/react";
+import React from "react";
+import ReactDOM from "react-dom/client";
 import { BorrowConfirmationOverlay } from "@/content/BorrowConfirmationOverlay";
 import { ControlOverlay } from "@/content/ControlOverlay";
 import { HelpRequestOverlay } from "@/content/HelpRequestOverlay";
@@ -12,12 +16,12 @@ import {
   isHelpRequestMessage,
 } from "@/lib/help-bridge";
 import {
+  isOverlayAgentOverlayResetMessage,
   OVERLAY_AUTOMATION_BYPASS,
   OVERLAY_MSG_WHO_AM_I,
   type OverlayAgentOverlayResetMessage,
   type OverlayAutomationBypassMessage,
   type OverlayWhoAmIResponse,
-  isOverlayAgentOverlayResetMessage,
 } from "@/lib/overlay-bridge";
 import { sendInterrupt } from "@/lib/overlay-interrupt-client";
 import { SESSIONS_LIVE_FLAG_KEY } from "@/lib/sessions-live-flag";
@@ -26,10 +30,6 @@ import type {
   BorrowRequestMessage,
   BorrowResponseMessage,
 } from "@/tools/borrow-confirmation";
-import { i18n } from "@browser-skill/i18n";
-import { I18nextProvider } from "@browser-skill/i18n/react";
-import React from "react";
-import ReactDOM from "react-dom/client";
 
 // Run at document_end so the overlay does not block first paint. Only attach
 // in the top-level frame so iframes do not double-render overlays.
@@ -117,10 +117,7 @@ export default defineContentScript({
       }
       overlays.setInterrupting(true);
       renderOverlay();
-      void sendInterrupt(
-        (msg) => chrome.runtime.sendMessage(msg),
-        sessionId,
-      ).then((reply) => {
+      void sendInterrupt((msg) => chrome.runtime.sendMessage(msg), sessionId).then((reply) => {
         // Always retract the mask after the round trip resolves
         // (success, failure, or timeout). Cancellation is fire-and-
         // forget on the daemon side; the user must not be stuck
diff --git a/apps/extension/src/entrypoints/popup/App.test.tsx b/apps/extension/src/entrypoints/popup/App.test.tsx
index d2abfc4..0f59e46 100644
--- a/apps/extension/src/entrypoints/popup/App.test.tsx
+++ b/apps/extension/src/entrypoints/popup/App.test.tsx
@@ -132,8 +132,8 @@ describe("App", () => {
     render(<App />);
 
     expect(screen.getByText("连接已关闭")).toBeTruthy();
-    expect(screen.getByRole("switch", { name: "BrowserSkill 连接" }).getAttribute("aria-checked")).toBe(
-      "false",
-    );
+    expect(
+      screen.getByRole("switch", { name: "BrowserSkill 连接" }).getAttribute("aria-checked"),
+    ).toBe("false");
   });
 });
diff --git a/apps/extension/src/entrypoints/popup/App.tsx b/apps/extension/src/entrypoints/popup/App.tsx
index 51d9e5f..09b0c3c 100644
--- a/apps/extension/src/entrypoints/popup/App.tsx
+++ b/apps/extension/src/entrypoints/popup/App.tsx
@@ -1,5 +1,5 @@
 import { useTranslation } from "@browser-skill/i18n/react";
-import { Badge, Button, Input, Label, cn } from "@browser-skill/ui";
+import { Badge, Button, cn, Input, Label } from "@browser-skill/ui";
 import { RiCheckLine, RiFileCopyLine } from "@remixicon/react";
 import { type ChangeEvent, useEffect, useState } from "react";
 import { PROTOCOL_VERSION } from "@/transport/handshake";
@@ -75,12 +75,7 @@ export function App() {
       data-version-skew={isSkewed ? "true" : undefined}
     >
       <header className="flex items-center gap-2" data-slot="popup-brand-header">
-        <img
-          src={getLogoSrc()}
-          alt=""
-          className="size-7 rounded-lg"
-          data-slot="popup-brand-logo"
-        />
+        <img src={getLogoSrc()} alt="" className="size-7 rounded-lg" data-slot="popup-brand-logo" />
         <h1 className="text-sm font-semibold tracking-tight">{t("popup.brandName")}</h1>
       </header>
 
@@ -91,10 +86,7 @@ export function App() {
         <div className="flex items-center justify-between gap-2" data-slot="popup-status">
           <div className="flex min-w-0 items-center gap-2">
             <ConnectionStatusIndicator state={statusState} />
-            <span
-              className="truncate text-sm font-medium"
-              data-slot="popup-state-label"
-            >
+            <span className="truncate text-sm font-medium" data-slot="popup-state-label">
               {t(STATE_LABEL_KEYS[statusState])}
             </span>
           </div>
diff --git a/apps/extension/src/lib/__tests__/connection-controller.test.ts b/apps/extension/src/lib/__tests__/connection-controller.test.ts
index a9985ca..b3eb9ae 100644
--- a/apps/extension/src/lib/__tests__/connection-controller.test.ts
+++ b/apps/extension/src/lib/__tests__/connection-controller.test.ts
@@ -1,10 +1,8 @@
-import { ConnectionController, __testing__ } from "../connection-controller";
-import type { Transport } from "../../transport/transport";
-import type { ConnectionState } from "../../transport/types";
-import type { ConnectionStateHandler } from "../../transport/transport";
-import { describe, expect, it, vi, beforeEach } from "vitest";
+import { beforeEach, describe, expect, it, vi } from "vitest";
 import { MIN_COMPATIBLE_PROTOCOL } from "../../transport/handshake";
-import type { HandshakeResult } from "../../transport/types";
+import type { ConnectionStateHandler, Transport } from "../../transport/transport";
+import type { ConnectionState, HandshakeResult } from "../../transport/types";
+import { __testing__, ConnectionController } from "../connection-controller";
 
 vi.mock("../instance-id", () => ({
   getOrCreateInstanceId: vi.fn(async () => "a1b2c3d4"),
diff --git a/apps/extension/src/lib/__tests__/help-bridge.test.ts b/apps/extension/src/lib/__tests__/help-bridge.test.ts
index 24a80c9..1a14283 100644
--- a/apps/extension/src/lib/__tests__/help-bridge.test.ts
+++ b/apps/extension/src/lib/__tests__/help-bridge.test.ts
@@ -51,12 +51,8 @@ describe("help-bridge", () => {
   });
 
   it("type-guards a help-cancel message", () => {
-    expect(
-      isHelpCancelMessage({ type: HELP_CANCEL, requestId: "r1" }),
-    ).toBe(true);
-    expect(isHelpCancelMessage({ type: HELP_REQUEST, requestId: "r1" })).toBe(
-      false,
-    );
+    expect(isHelpCancelMessage({ type: HELP_CANCEL, requestId: "r1" })).toBe(true);
+    expect(isHelpCancelMessage({ type: HELP_REQUEST, requestId: "r1" })).toBe(false);
     expect(isHelpCancelMessage(null)).toBe(false);
   });
 });
diff --git a/apps/extension/src/lib/__tests__/overlay-bridge.test.ts b/apps/extension/src/lib/__tests__/overlay-bridge.test.ts
index 773542d..1b29407 100644
--- a/apps/extension/src/lib/__tests__/overlay-bridge.test.ts
+++ b/apps/extension/src/lib/__tests__/overlay-bridge.test.ts
@@ -1,10 +1,10 @@
-import { describe, it, expect } from "vitest";
+import { describe, expect, it } from "vitest";
 import {
+  isOverlayAgentOverlayResetMessage,
   OVERLAY_AGENT_OVERLAY_RESET,
   OVERLAY_MSG_INTERRUPT,
   type OverlayInterruptRequest,
   type OverlayInterruptResponse,
-  isOverlayAgentOverlayResetMessage,
 } from "@/lib/overlay-bridge";
 
 describe("OVERLAY_MSG_INTERRUPT", () => {
diff --git a/apps/extension/src/lib/__tests__/overlay-interrupt-client.test.ts b/apps/extension/src/lib/__tests__/overlay-interrupt-client.test.ts
index d27ecd4..d26300c 100644
--- a/apps/extension/src/lib/__tests__/overlay-interrupt-client.test.ts
+++ b/apps/extension/src/lib/__tests__/overlay-interrupt-client.test.ts
@@ -1,4 +1,4 @@
-import { describe, it, expect, vi } from "vitest";
+import { describe, expect, it, vi } from "vitest";
 import { sendInterrupt } from "@/lib/overlay-interrupt-client";
 
 describe("sendInterrupt", () => {
diff --git a/apps/extension/src/tools/__tests__/evaluate.test.ts b/apps/extension/src/tools/__tests__/evaluate.test.ts
index e2744c6..5b4df70 100644
--- a/apps/extension/src/tools/__tests__/evaluate.test.ts
+++ b/apps/extension/src/tools/__tests__/evaluate.test.ts
@@ -284,6 +284,9 @@ describe("handleEvaluate", () => {
       { session_id: "aa11", expression: "1+1", tab_id: 11 },
       { cdp: fake.cdp, tabsApi: fake.tabsApi },
     );
-    expect(res).toMatchObject({ code: "permission_denied", data: { reason: "agent_window_scope" } });
+    expect(res).toMatchObject({
+      code: "permission_denied",
+      data: { reason: "agent_window_scope" },
+    });
   });
 });
diff --git a/apps/extension/src/tools/__tests__/human-loop.test.ts b/apps/extension/src/tools/__tests__/human-loop.test.ts
index c7a6ea6..9375f54 100644
--- a/apps/extension/src/tools/__tests__/human-loop.test.ts
+++ b/apps/extension/src/tools/__tests__/human-loop.test.ts
@@ -36,13 +36,21 @@ function baseDeps(over: Partial<RequestHelpDeps> = {}): RequestHelpDeps {
 
 describe("handleRequestHelp", () => {
   it("rejects unknown session", async () => {
-    const res = await handleRequestHelp(fakeManager("abcd", 99, 5), baseParams({ session_id: "zzzz" }), baseDeps());
+    const res = await handleRequestHelp(
+      fakeManager("abcd", 99, 5),
+      baseParams({ session_id: "zzzz" }),
+      baseDeps(),
+    );
     expect("code" in res && res.code).toBe("not_found");
   });
 
   it("brings the tab to the foreground and returns the user outcome", async () => {
     const deps = baseDeps();
-    const res = await handleRequestHelp(fakeManager("abcd", 99, 5), baseParams({ tab_id: 5 }), deps);
+    const res = await handleRequestHelp(
+      fakeManager("abcd", 99, 5),
+      baseParams({ tab_id: 5 }),
+      deps,
+    );
     expect(deps.windows.update).toHaveBeenCalledWith(99, { focused: true });
     expect(deps.activateTab).toHaveBeenCalledWith(5);
     expect(res).toMatchObject({ outcome: "continued", note: "ok", tab_id: 5 });
@@ -79,7 +87,11 @@ describe("handleRequestHelp", () => {
         return unwatch;
       }),
     });
-    const res = await handleRequestHelp(fakeManager("abcd", 99, 5), baseParams({ tab_id: 5 }), deps);
+    const res = await handleRequestHelp(
+      fakeManager("abcd", 99, 5),
+      baseParams({ tab_id: 5 }),
+      deps,
+    );
     expect(res).toMatchObject({ outcome: "navigated", tab_id: 5 });
     expect(unwatch).toHaveBeenCalled();
   });
@@ -107,12 +119,19 @@ describe("handleRequestHelp", () => {
     const mgr = {
       get: (id: string) =>
         id === "abcd"
-          ? { sessionId: "abcd", agentWindowId: 99, refStore: { resolve: () => 42 }, borrowedTabs: new Map() }
+          ? {
+              sessionId: "abcd",
+              agentWindowId: 99,
+              refStore: { resolve: () => 42 },
+              borrowedTabs: new Map(),
+            }
           : null,
       findByWindowId: (wid: number) => (wid === 99 ? { sessionId: "abcd" } : null),
     } as unknown as SessionManager;
     const deps = baseDeps({
-      cdp: { send: vi.fn(async () => ({ object: { objectId: "obj-1" } })) } as unknown as RequestHelpDeps["cdp"],
+      cdp: {
+        send: vi.fn(async () => ({ object: { objectId: "obj-1" } })),
+      } as unknown as RequestHelpDeps["cdp"],
     });
     const res = await handleRequestHelp(
       mgr,
@@ -177,7 +196,11 @@ describe("handleRequestHelp", () => {
         throw new Error("no receiver");
       }),
     });
-    const res = await handleRequestHelp(fakeManager("abcd", 99, 5), baseParams({ tab_id: 5 }), deps);
+    const res = await handleRequestHelp(
+      fakeManager("abcd", 99, 5),
+      baseParams({ tab_id: 5 }),
+      deps,
+    );
     expect("code" in res && res.code).toBe("protocol_error");
   });
 
@@ -254,7 +277,11 @@ describe("handleRequestHelp", () => {
   it("returns cancelled when the signal aborts", async () => {
     const ac = new AbortController();
     const deps = baseDeps({ signal: ac.signal, sendToTab: vi.fn(() => new Promise(() => {})) });
-    const p = handleRequestHelp(fakeManager("abcd", 99, 5), baseParams({ tab_id: 5, timeout_ms: 60_000 }), deps);
+    const p = handleRequestHelp(
+      fakeManager("abcd", 99, 5),
+      baseParams({ tab_id: 5, timeout_ms: 60_000 }),
+      deps,
+    );
     ac.abort();
     const res = await p;
     expect("code" in res ? res.code : (res as { outcome: string }).outcome).toMatch(/cancelled/);
diff --git a/apps/extension/src/tools/__tests__/interaction.test.ts b/apps/extension/src/tools/__tests__/interaction.test.ts
index f57d580..de56af4 100644
--- a/apps/extension/src/tools/__tests__/interaction.test.ts
+++ b/apps/extension/src/tools/__tests__/interaction.test.ts
@@ -982,4 +982,3 @@ describe("handleSelect", () => {
     expect(fake.sent.some((c) => c.method === "Runtime.callFunctionOn")).toBe(false);
   });
 });
-
diff --git a/apps/extension/src/tools/__tests__/navigation.test.ts b/apps/extension/src/tools/__tests__/navigation.test.ts
index dfe0598..d59a8dd 100644
--- a/apps/extension/src/tools/__tests__/navigation.test.ts
+++ b/apps/extension/src/tools/__tests__/navigation.test.ts
@@ -2,12 +2,12 @@ import { describe, expect, it, vi } from "vitest";
 import { SessionManager } from "@/session-manager/manager";
 import type { CdpRunner } from "@/tools/shared";
 import {
+  eventLoaderIsRelevant,
   handleNavigate,
   handleNavigateBack,
   handleNavigateForward,
   handleReload,
   lifecycleAlreadyReached,
-  eventLoaderIsRelevant,
   lifecycleMeetsOrExceeds,
   shouldTrustReadyStateProbe,
 } from "../navigation";
@@ -60,10 +60,7 @@ function makeFakeCdp(opts?: {
   };
   const events: EventListener[] = [];
   const sent: Array<{ tabId: number; method: string; params?: object }> = [];
-  const methodHandlers: Record<
-    string,
-    (tabId: number, params?: object) => object
-  > = {
+  const methodHandlers: Record<string, (tabId: number, params?: object) => object> = {
     "Page.enable": () => ({}),
     "Page.setLifecycleEventsEnabled": () => ({}),
     "Page.navigate": () => {
@@ -72,9 +69,7 @@ function makeFakeCdp(opts?: {
           name: opts.fireLifecycleDuringNavigate,
           frameId: opts.fireLifecycleDuringNavigateFrameId ?? opts.navigateFrameId ?? "frame-1",
           loaderId:
-            opts.fireLifecycleDuringNavigateLoaderId ??
-            opts.navigateLoaderId ??
-            "loader-after",
+            opts.fireLifecycleDuringNavigateLoaderId ?? opts.navigateLoaderId ?? "loader-after",
         };
         for (const listener of [...events]) {
           listener({ tabId: 4 }, "Page.lifecycleEvent", payload);
@@ -208,9 +203,7 @@ describe("lifecycleMeetsOrExceeds", () => {
 
 describe("eventLoaderIsRelevant", () => {
   it("rejects events from the pre-navigation loader", () => {
-    expect(
-      eventLoaderIsRelevant("loader-before", { beforeLoaderId: "loader-before" }),
-    ).toBe(false);
+    expect(eventLoaderIsRelevant("loader-before", { beforeLoaderId: "loader-before" })).toBe(false);
     expect(
       eventLoaderIsRelevant("loader-after", {
         beforeLoaderId: "loader-before",
diff --git a/apps/extension/src/tools/__tests__/observation.test.ts b/apps/extension/src/tools/__tests__/observation.test.ts
index 75bdb4a..a009e19 100644
--- a/apps/extension/src/tools/__tests__/observation.test.ts
+++ b/apps/extension/src/tools/__tests__/observation.test.ts
@@ -42,8 +42,7 @@ function makeScreenshotDeps(
     opts.get ??
     vi.fn(async (tabId: number) => ({ id: tabId, windowId: 100, active: true }) as chrome.tabs.Tab);
   const query =
-    opts.query ??
-    vi.fn(async () => [{ id: 7, windowId: 100, active: true } as chrome.tabs.Tab]);
+    opts.query ?? vi.fn(async () => [{ id: 7, windowId: 100, active: true } as chrome.tabs.Tab]);
   const captureVisibleTab =
     opts.captureVisibleTab ?? vi.fn(async () => `data:image/png;base64,${TINY_PNG}`);
   const tabsApi = { get, query };
@@ -118,7 +117,11 @@ describe("handleScreenshot", () => {
     const res = await handleScreenshot(
       sm,
       { session_id: "aa11" },
-      makeScreenshotDeps({ captureVisibleTab: vi.fn(), get: emptyGet, query: vi.fn(async () => []) }),
+      makeScreenshotDeps({
+        captureVisibleTab: vi.fn(),
+        get: emptyGet,
+        query: vi.fn(async () => []),
+      }),
     );
     expect(res).toMatchObject({ code: "not_found" });
   });
diff --git a/apps/extension/src/tools/__tests__/session.test.ts b/apps/extension/src/tools/__tests__/session.test.ts
index 3b363d4..adecac4 100644
--- a/apps/extension/src/tools/__tests__/session.test.ts
+++ b/apps/extension/src/tools/__tests__/session.test.ts
@@ -139,9 +139,13 @@ describe("handleSessionStop with auto-return", () => {
       resetAgentOverlays: vi.fn(async () => {}),
     } satisfies AgentOverlayResetApi;
 
-    const res = await handleSessionStop(sm, { session_id: "aa11" }, {
-      tabManagement: { tabs, windows, agentOverlayReset },
-    });
+    const res = await handleSessionStop(
+      sm,
+      { session_id: "aa11" },
+      {
+        tabManagement: { tabs, windows, agentOverlayReset },
+      },
+    );
 
     if ("code" in res) throw new Error(`unexpected error: ${JSON.stringify(res)}`);
     expect(agentOverlayReset.resetAgentOverlays).toHaveBeenCalledWith(7, "aa11");
diff --git a/apps/extension/src/tools/__tests__/shared.test.ts b/apps/extension/src/tools/__tests__/shared.test.ts
index 7d3fd9c..da7ee8a 100644
--- a/apps/extension/src/tools/__tests__/shared.test.ts
+++ b/apps/extension/src/tools/__tests__/shared.test.ts
@@ -20,9 +20,7 @@ describe("lookupSession", () => {
     expect(lookupSession(sm, { session_id: "" }, "tool.test")).toMatchObject({
       code: "invalid_params",
     });
-    expect(
-      lookupSession(sm, { session_id: 42 as unknown as string }, "tool.test"),
-    ).toMatchObject({
+    expect(lookupSession(sm, { session_id: 42 as unknown as string }, "tool.test")).toMatchObject({
       code: "invalid_params",
     });
   });
diff --git a/apps/extension/src/tools/__tests__/tabs.test.ts b/apps/extension/src/tools/__tests__/tabs.test.ts
index 732ff41..e294f34 100644
--- a/apps/extension/src/tools/__tests__/tabs.test.ts
+++ b/apps/extension/src/tools/__tests__/tabs.test.ts
@@ -292,7 +292,10 @@ describe("handleTabClose", () => {
     };
     const { api } = makeTabMutationApi(state);
     const res = await handleTabClose(sm, { session_id: "aa11", tab_id: 9 }, { tabs: api });
-    expect(res).toMatchObject({ code: "permission_denied", data: { reason: "agent_window_scope" } });
+    expect(res).toMatchObject({
+      code: "permission_denied",
+      data: { reason: "agent_window_scope" },
+    });
   });
 
   it("rejects when another session has borrowed the tab", async () => {
@@ -338,7 +341,10 @@ describe("handleTabSelect", () => {
     };
     const { api } = makeTabMutationApi(state);
     const res = await handleTabSelect(sm, { session_id: "aa11", tab_id: 3 }, { tabs: api });
-    expect(res).toMatchObject({ code: "permission_denied", data: { reason: "agent_window_scope" } });
+    expect(res).toMatchObject({
+      code: "permission_denied",
+      data: { reason: "agent_window_scope" },
+    });
   });
 
   it("rejects a borrowed tab that is no longer in the Agent Window", async () => {
@@ -352,7 +358,10 @@ describe("handleTabSelect", () => {
     };
     const { api } = makeTabMutationApi(state);
     const res = await handleTabSelect(sm, { session_id: "aa11", tab_id: 3 }, { tabs: api });
-    expect(res).toMatchObject({ code: "permission_denied", data: { reason: "agent_window_scope" } });
+    expect(res).toMatchObject({
+      code: "permission_denied",
+      data: { reason: "agent_window_scope" },
+    });
   });
 });
 
@@ -444,7 +453,10 @@ describe("handleTabBorrow", () => {
     };
     const { api } = makeTabMutationApi(state);
     const res = await handleTabBorrow(sm, { session_id: "aa11", tab_id: 7 }, { tabs: api });
-    expect(res).toMatchObject({ code: "permission_denied", data: { reason: "agent_window_scope" } });
+    expect(res).toMatchObject({
+      code: "permission_denied",
+      data: { reason: "agent_window_scope" },
+    });
   });
 
   it("returns cancelled when the approver declines", async () => {
diff --git a/apps/extension/src/tools/evaluate.ts b/apps/extension/src/tools/evaluate.ts
index 88e673a..45354d9 100644
--- a/apps/extension/src/tools/evaluate.ts
+++ b/apps/extension/src/tools/evaluate.ts
@@ -18,6 +18,7 @@
 import { ChromiumCdp } from "@/browser-driver/chromium-cdp";
 import type { SessionManager } from "@/session-manager/manager";
 import type { EvaluateError, EvaluateParams, EvaluateResult, RpcError } from "@/transport/types";
+import { attachDialogs, markDialogCursor } from "./dialogs";
 import {
   type CdpRunner,
   type ChromeTabsApi,
@@ -27,7 +28,6 @@ import {
   lookupSession,
   resolveTargetTab,
 } from "./shared";
-import { attachDialogs, markDialogCursor } from "./dialogs";
 
 export interface EvaluateDeps {
   cdp: CdpRunner;
diff --git a/apps/extension/src/tools/human-loop.ts b/apps/extension/src/tools/human-loop.ts
index 8590542..aeb6c9d 100644
--- a/apps/extension/src/tools/human-loop.ts
+++ b/apps/extension/src/tools/human-loop.ts
@@ -6,7 +6,6 @@
 // until the user clicks Continue / Cancel, the wait times out, or the
 // daemon cancels the RPC.
 
-import type { SessionManager } from "@/session-manager/manager";
 import {
   HELP_CANCEL,
   HELP_REQUEST,
@@ -15,6 +14,7 @@ import {
   type HelpRequestMessage,
   type HelpResponseMessage,
 } from "@/lib/help-bridge";
+import type { SessionManager } from "@/session-manager/manager";
 import type {
   HelpTarget,
   RequestHelpParams,
@@ -22,7 +22,6 @@ import type {
   ResolvedTarget,
   RpcError,
 } from "@/transport/types";
-import { lookupSnapshotRef } from "./snapshot-ref";
 import {
   type CdpRunner,
   type ChromeTabsApi,
@@ -32,6 +31,7 @@ import {
   lookupSession,
   resolveTargetTab,
 } from "./shared";
+import { lookupSnapshotRef } from "./snapshot-ref";
 
 const DEFAULT_HELP_TIMEOUT_MS = 300_000;
 /** Attribute the overlay highlights for resolved `ref` targets. */
@@ -46,7 +46,9 @@ export type TabNavigationUnsubscribe = () => void;
 
 export interface RequestHelpDeps {
   tabsApi: ChromeTabsApi;
-  windows: { update(windowId: number, info: { focused?: boolean }): Promise<chrome.windows.Window> };
+  windows: {
+    update(windowId: number, info: { focused?: boolean }): Promise<chrome.windows.Window>;
+  };
   /** Activate a tab inside its window. */
   activateTab(tabId: number): Promise<void>;
   /** Send the help-request to the tab's content script and await reply. */
@@ -68,10 +70,7 @@ export function defaultWatchTabNavigation(
   tabId: number,
   onNavigated: () => void,
 ): TabNavigationUnsubscribe {
-  const listener = (
-    updatedTabId: number,
-    changeInfo: chrome.tabs.TabChangeInfo,
-  ) => {
+  const listener = (updatedTabId: number, changeInfo: chrome.tabs.TabChangeInfo) => {
     if (updatedTabId !== tabId) return;
     if (changeInfo.url !== undefined || changeInfo.status === "loading") {
       chrome.tabs.onUpdated.removeListener(listener);
@@ -102,7 +101,8 @@ function getDefaultDeps(): RequestHelpDeps {
               else resolve(rid ?? id);
             }),
           ),
-        clear: (id) => new Promise((resolve) => chrome.notifications.clear(id, (c) => resolve(c ?? false))),
+        clear: (id) =>
+          new Promise((resolve) => chrome.notifications.clear(id, (c) => resolve(c ?? false))),
       },
     };
   }
@@ -167,7 +167,9 @@ async function selectorExists(
 async function clearRefTags(cdp: CdpRunner | undefined, tabId: number): Promise<void> {
   if (!cdp) return;
   try {
-    const doc = await cdp.send<{ root?: { nodeId?: number } }>(tabId, "DOM.getDocument", { depth: 0 });
+    const doc = await cdp.send<{ root?: { nodeId?: number } }>(tabId, "DOM.getDocument", {
+      depth: 0,
+    });
     const rootId = doc.root?.nodeId;
     if (rootId === undefined) return;
     const { nodeIds } = await cdp.send<{ nodeIds: number[] }>(tabId, "DOM.querySelectorAll", {
diff --git a/apps/extension/src/tools/interaction.ts b/apps/extension/src/tools/interaction.ts
index 6a0c6c6..87decea 100644
--- a/apps/extension/src/tools/interaction.ts
+++ b/apps/extension/src/tools/interaction.ts
@@ -21,10 +21,11 @@ import type {
   MouseButton,
   PressParams,
   PressResult,
+  RpcError,
   SelectParams,
   SelectResult,
-  RpcError,
 } from "@/transport/types";
+import { attachDialogs, markDialogCursor } from "./dialogs";
 import {
   backendNodeToObject,
   boxCentre,
@@ -33,7 +34,6 @@ import {
   scrollNodeIntoView,
 } from "./element-geometry";
 import { rpcError } from "./errors";
-import { resolveSnapshotRef } from "./snapshot-ref";
 import {
   type CdpRunner,
   type ChromeTabsApi,
@@ -43,7 +43,7 @@ import {
   lookupSession,
   resolveTargetTab,
 } from "./shared";
-import { attachDialogs, markDialogCursor } from "./dialogs";
+import { resolveSnapshotRef } from "./snapshot-ref";
 
 export interface InteractionDeps {
   cdp: CdpRunner;
@@ -858,7 +858,9 @@ export async function handleSelect(
       );
     }
     const attrs = described.node.attributes ?? [];
-    const isMultiple = attrs.some((attr, idx) => idx % 2 === 0 && attr.toLowerCase() === "multiple");
+    const isMultiple = attrs.some(
+      (attr, idx) => idx % 2 === 0 && attr.toLowerCase() === "multiple",
+    );
     if (!isMultiple && params.values.length !== 1) {
       return rpcError(
         "invalid_params",
diff --git a/apps/extension/src/tools/navigation.ts b/apps/extension/src/tools/navigation.ts
index 59fb3b8..f12e389 100644
--- a/apps/extension/src/tools/navigation.ts
+++ b/apps/extension/src/tools/navigation.ts
@@ -28,6 +28,7 @@ import type {
   RpcError,
   WaitUntil,
 } from "@/transport/types";
+import { attachDialogs, markDialogCursor } from "./dialogs";
 import {
   type CdpRunner,
   type ChromeTabsApi,
@@ -37,7 +38,6 @@ import {
   lookupSession,
   resolveTargetTab,
 } from "./shared";
-import { attachDialogs, markDialogCursor } from "./dialogs";
 
 export interface NavigationDeps {
   cdp: CdpRunner;
@@ -120,9 +120,7 @@ export function lifecycleAlreadyReached(readyState: string, targetName: string):
     case "DOMContentLoaded":
       return readyState === "interactive" || readyState === "complete";
     case "commit":
-      return (
-        readyState === "interactive" || readyState === "complete" || readyState === "loading"
-      );
+      return readyState === "interactive" || readyState === "complete" || readyState === "loading";
     case "networkIdle":
       // Must come from `Page.lifecycleEvent`; readyState does not imply network idle.
       return false;
@@ -285,7 +283,13 @@ function startLifecycleWait(
 
     const maybeFinishPending = () => {
       if (settled || !pendingLifecycle) return;
-      if (!acceptLifecycleEvent(pendingLifecycle.name, pendingLifecycle.frameId, pendingLifecycle.loaderId)) {
+      if (
+        !acceptLifecycleEvent(
+          pendingLifecycle.name,
+          pendingLifecycle.frameId,
+          pendingLifecycle.loaderId,
+        )
+      ) {
         return;
       }
       if (lifecycleMeetsOrExceeds(pendingLifecycle.name, targetName)) {
diff --git a/apps/extension/src/tools/observation.ts b/apps/extension/src/tools/observation.ts
index 7698c9d..96b54d0 100644
--- a/apps/extension/src/tools/observation.ts
+++ b/apps/extension/src/tools/observation.ts
@@ -14,8 +14,8 @@ import type {
   SnapshotParams,
   SnapshotResult,
 } from "@/transport/types";
+import { attachDialogs, markDialogCursor } from "./dialogs";
 import { nodeBoundingRect, scrollNodeIntoView } from "./element-geometry";
-import { resolveSnapshotRef } from "./snapshot-ref";
 import { rpcError } from "./errors";
 import {
   type ChromeTabsApi,
@@ -25,7 +25,7 @@ import {
   type CdpRunner as SharedCdpRunner,
   normaliseRef as sharedNormaliseRef,
 } from "./shared";
-import { attachDialogs, markDialogCursor } from "./dialogs";
+import { resolveSnapshotRef } from "./snapshot-ref";
 
 // ---------------------------------------------------------------------------
 // Shared helpers (legacy aliases — observation.ts kept exporting these
diff --git a/apps/extension/src/tools/waits.ts b/apps/extension/src/tools/waits.ts
index 6566226..5795676 100644
--- a/apps/extension/src/tools/waits.ts
+++ b/apps/extension/src/tools/waits.ts
@@ -20,6 +20,7 @@ import type {
   WaitForNavigationResult,
   WaitUntil,
 } from "@/transport/types";
+import { attachDialogs, markDialogCursor } from "./dialogs";
 import { cdpLifecycleName, ensureCdpReady, waitForLifecyclePassive } from "./navigation";
 import {
   type CdpRunner,
@@ -30,7 +31,6 @@ import {
   lookupSession,
   resolveTargetTab,
 } from "./shared";
-import { attachDialogs, markDialogCursor } from "./dialogs";
 
 export interface WaitForNavigationDeps {
   cdp: CdpRunner;
diff --git a/packages/ui/src/styles/tailwind.css b/packages/ui/src/styles/tailwind.css
index 4bfa9db..26f4e85 100644
--- a/packages/ui/src/styles/tailwind.css
+++ b/packages/ui/src/styles/tailwind.css
@@ -43,7 +43,6 @@
   --input: oklch(0.35 0.02 60);
   --ring: oklch(0.7 0.18 45);
 }
-
 @theme inline {
   --radius-sm: calc(var(--radius) - 4px);
   --radius-md: calc(var(--radius) - 2px);
@@ -68,7 +67,6 @@
   --color-input: var(--input);
   --color-ring: var(--ring);
 }
-
 @layer base {
   * {
     @apply border-border outline-ring/50;
@@ -84,7 +82,6 @@
 
   body {
     font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
-
     @apply bg-background text-foreground;
   }
 }
diff --git a/scripts/render-version-json.mjs b/scripts/render-version-json.mjs
index 88e97be..14fbb4a 100644
--- a/scripts/render-version-json.mjs
+++ b/scripts/render-version-json.mjs
@@ -85,10 +85,7 @@ function assetEntry(platformKey, triple) {
 }
 
 const assets = Object.fromEntries(
-  Object.entries(PLATFORMS).map(([key, triple]) => [
-    key,
-    assetEntry(key, triple),
-  ]),
+  Object.entries(PLATFORMS).map(([key, triple]) => [key, assetEntry(key, triple)]),
 );
 
 const manifest = {
diff --git a/scripts/render-version-json.test.mjs b/scripts/render-version-json.test.mjs
index 5dc896d..65d160d 100644
--- a/scripts/render-version-json.test.mjs
+++ b/scripts/render-version-json.test.mjs
@@ -1,11 +1,11 @@
 import assert from "node:assert/strict";
+import { execFileSync } from "node:child_process";
 import { createHash } from "node:crypto";
 import { mkdirSync, mkdtempSync, readFileSync, writeFileSync } from "node:fs";
 import { tmpdir } from "node:os";
 import { dirname, join } from "node:path";
-import { fileURLToPath } from "node:url";
-import { execFileSync } from "node:child_process";
 import test from "node:test";
+import { fileURLToPath } from "node:url";
 
 const scriptDir = dirname(fileURLToPath(import.meta.url));
 const scriptPath = join(scriptDir, "render-version-json.mjs");
@@ -20,14 +20,8 @@ test("renders asset URLs with sha256 checksums from dist files", () => {
   mkdirSync(dist);
   writeFileSync(join(dist, archive), archiveBytes);
   writeFileSync(join(dist, `bsk-v${version}-x86_64-apple-darwin.tar.gz`), "darwin x64\n");
-  writeFileSync(
-    join(dist, `bsk-v${version}-x86_64-unknown-linux-musl.tar.gz`),
-    "linux x64\n",
-  );
-  writeFileSync(
-    join(dist, `bsk-v${version}-aarch64-unknown-linux-musl.tar.gz`),
-    "linux arm64\n",
-  );
+  writeFileSync(join(dist, `bsk-v${version}-x86_64-unknown-linux-musl.tar.gz`), "linux x64\n");
+  writeFileSync(join(dist, `bsk-v${version}-aarch64-unknown-linux-musl.tar.gz`), "linux arm64\n");
   writeFileSync(join(dist, `bsk-v${version}-x86_64-pc-windows-msvc.zip`), "windows x64\n");
 
   execFileSync(process.execPath, [