fix: share skills watcher ignores

src/agents/skills/refresh.test.ts

@@ -12,19 +12,20 @@ vi.mock("chokidar", () => {
 });
 
 describe("ensureSkillsWatcher", () => {
-  it("ignores node_modules and dist by default", async () => {
+  it("ignores node_modules, dist, and .git by default", async () => {
     const mod = await import("./refresh.js");
     mod.ensureSkillsWatcher({ workspaceDir: "/tmp/workspace" });
 
     expect(watchMock).toHaveBeenCalledTimes(1);
     const opts = watchMock.mock.calls[0]?.[1] as { ignored?: unknown };
 
-    expect(Array.isArray(opts.ignored)).toBe(true);
-    const ignored = opts.ignored as RegExp[];
+    expect(opts.ignored).toBe(mod.DEFAULT_SKILLS_WATCH_IGNORED);
+    const ignored = mod.DEFAULT_SKILLS_WATCH_IGNORED;
     expect(ignored.some((re) => re.test("/tmp/workspace/skills/node_modules/pkg/index.js"))).toBe(
       true,
     );
     expect(ignored.some((re) => re.test("/tmp/workspace/skills/dist/index.js"))).toBe(true);
     expect(ignored.some((re) => re.test("/tmp/workspace/skills/.git/config"))).toBe(true);
+    expect(ignored.some((re) => re.test("/tmp/.hidden/skills/index.md"))).toBe(false);
   });
 });

src/agents/skills/refresh.ts

@@ -26,6 +26,12 @@ const workspaceVersions = new Map<string, number>();
 const watchers = new Map<string, SkillsWatchState>();
 let globalVersion = 0;
 
+export const DEFAULT_SKILLS_WATCH_IGNORED = [
+  /(^|[\\/])\.git([\\/]|$)/,
+  /(^|[\\/])node_modules([\\/]|$)/,
+  /(^|[\\/])dist([\\/]|$)/,
+] as const;
+
 function bumpVersion(current: number): number {
   const now = Date.now();
   return now <= current ? current + 1 : now;
@@ -127,11 +133,7 @@ export function ensureSkillsWatcher(params: { workspaceDir: string; config?: Cla
     },
     // Avoid FD exhaustion on macOS when a workspace contains huge trees.
     // This watcher only needs to react to skill changes.
-    ignored: [
-      /(^|[\\/])\../, // dotfiles (includes .git)
-      /(^|[\\/])node_modules([\\/]|$)/,
-      /(^|[\\/])dist([\\/]|$)/,
-    ],
+    ignored: DEFAULT_SKILLS_WATCH_IGNORED,
   });
 
   const state: SkillsWatchState = { watcher, pathsKey, debounceMs };