fix: resolve biome lint and format issues in session-stop-watcher

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: dakl

src/main/ipc-handlers.ts

@@ -54,8 +54,7 @@ export function registerIpcHandlers(options: RegisterHandlersOptions): void {
   const ptyManager = new PtyManager(
     (file, args, options) => pty.spawn(file, args, options),
     undefined,
-    (sessionId, onIdle) =>
-      new SessionStopWatcher(getHookSettingsPath(sessionId), getHookSignalPath(sessionId), onIdle),
+    (sessionId, onIdle) => new SessionStopWatcher(getHookSettingsPath(sessionId), getHookSignalPath(sessionId), onIdle),
   );
 
   ptyManager.on("data", (sessionId: string, data: string) => {

src/main/services/session-stop-watcher.test.ts

@@ -32,7 +32,7 @@ describe("SessionStopWatcher", () => {
     );
     expect(settingsCall).toBeDefined();
 
-    const written = JSON.parse(settingsCall![1]);
+    const written = JSON.parse(settingsCall?.[1] as string);
     expect(written.hooks.Stop[0].hooks[0].command).toBe("touch '/data/hook-signals/s1'");
     expect(written.hooks.Stop[0].hooks[0].async).toBe(true);
   });
@@ -45,7 +45,7 @@ describe("SessionStopWatcher", () => {
       (call) => call[0] === "/data/hook-signals/s1",
     );
     expect(signalCall).toBeDefined();
-    expect(signalCall![1]).toBe("");
+    expect(signalCall?.[1]).toBe("");
   });
 
   it("calls onIdle when the signal file is touched", () => {
@@ -75,12 +75,7 @@ describe("SessionStopWatcher", () => {
 
   it("dispose closes the watcher and removes both files", () => {
     const { fsOps, watcher } = createMockFsOps();
-    const stopWatcher = new SessionStopWatcher(
-      "/data/hook-settings/s1.json",
-      "/data/hook-signals/s1",
-      vi.fn(),
-      fsOps,
-    );
+    const stopWatcher = new SessionStopWatcher("/data/hook-settings/s1.json", "/data/hook-signals/s1", vi.fn(), fsOps);
 
     stopWatcher.dispose();
 
@@ -91,12 +86,7 @@ describe("SessionStopWatcher", () => {
 
   it("dispose is safe to call twice", () => {
     const { fsOps } = createMockFsOps();
-    const stopWatcher = new SessionStopWatcher(
-      "/data/hook-settings/s1.json",
-      "/data/hook-signals/s1",
-      vi.fn(),
-      fsOps,
-    );
+    const stopWatcher = new SessionStopWatcher("/data/hook-settings/s1.json", "/data/hook-signals/s1", vi.fn(), fsOps);
 
     stopWatcher.dispose();
     expect(() => stopWatcher.dispose()).not.toThrow();

src/main/services/session-stop-watcher.ts

@@ -11,7 +11,7 @@ interface FsOps {
 // Wraps a path in single quotes, escaping any embedded single quotes.
 // Handles spaces and most special shell characters.
 function shellQuote(s: string): string {
-  return "'" + s.replace(/'/g, "'\\''") + "'";
+  return `'${s.replace(/'/g, "'\\''")}'`;
 }
 
 export type StopWatcherFactory = (