fix(management): skip broken shared plugin entries

src/management/shared-manager.ts

@@ -354,7 +354,19 @@ class SharedManager {
       }
 
       const entryPath = path.join(sharedPluginsPath, entry.name);
-      const stats = fs.statSync(entryPath);
+      let stats: fs.Stats;
+      try {
+        stats = fs.statSync(entryPath);
+      } catch (err) {
+        const code = (err as NodeJS.ErrnoException).code;
+        console.log(
+          warn(
+            `Skipping plugins/${entry.name}: unable to inspect shared plugin entry${code ? ` (${code})` : ''}`
+          )
+        );
+        continue;
+      }
+
       items.set(entry.name, {
         name: entry.name,
         type: stats.isDirectory() ? 'directory' : 'file',

tests/unit/shared-manager.test.ts

@@ -307,6 +307,31 @@ describe('SharedManager', () => {
   });
 
   describe('marketplace registry ownership', () => {
+    it('skips unstatable shared plugin entries during instance linking', () => {
+      const manager = new SharedManager();
+      const instancePath = instanceDir('work');
+      const sharedPluginsPath = path.join(claudeDir(), 'plugins');
+      const logSpy = spyOn(console, 'log').mockImplementation(() => {});
+
+      fs.mkdirSync(instancePath, { recursive: true });
+      fs.mkdirSync(sharedPluginsPath, { recursive: true });
+      fs.symlinkSync(
+        path.join(sharedPluginsPath, 'missing-plugin'),
+        path.join(sharedPluginsPath, 'broken-plugin'),
+        'dir'
+      );
+
+      expect(() => manager.linkSharedDirectories(instancePath)).not.toThrow();
+      expect(fs.existsSync(path.join(instancePath, 'plugins', 'broken-plugin'))).toBe(false);
+      expect(
+        logSpy.mock.calls.some(([message]) =>
+          String(message).includes(
+            'Skipping plugins/broken-plugin: unable to inspect shared plugin entry'
+          )
+        )
+      ).toBe(true);
+    });
+
     it('writes global and instance registries with different authoritative install locations', () => {
       const globalRegistryPath = path.join(claudeDir(), 'plugins', 'known_marketplaces.json');
       ensureMarketplacePayload(claudeDir());