feat: register trash management capability

AGENTS.md

@@ -56,6 +56,7 @@ entity.file
 entity.note
 note.registry
 file.browser
+trash.management
 activity.log
 activity.provider
 activity.reconstruction

schemas/capabilities.json

@@ -43,6 +43,7 @@
     { "name": "entity.note", "description": "Note entity type support", "status": "draft" },
     { "name": "note.registry", "description": "Note metadata registry", "status": "draft" },
     { "name": "file.browser", "description": "File browser tree/list UI", "status": "draft" },
+    { "name": "trash.management", "description": "Global deleted-item management UI", "status": "draft" },
     { "name": "activity.log", "description": "Activity event logging", "status": "draft" },
     { "name": "activity.provider", "description": "Activity event provider", "status": "draft" },
     { "name": "activity.reconstruction", "description": "Activity reconstruction from events", "status": "draft" },

src/plugin-api.test.ts

@@ -71,6 +71,12 @@ describe('VerstakPluginAPI contract', () => {
     expect(permissionEnum).toEqual(expect.arrayContaining(['secrets.read', 'secrets.write']));
   });
 
+  test('trash management capability is declared for global deleted-item surfaces', () => {
+    const capabilities = ((capabilitiesSchema as any).capabilities || []) as Array<{ name: string; status: string }>;
+
+    expect(capabilities).toContainEqual(expect.objectContaining({ name: 'trash.management', status: 'draft' }));
+  });
+
   test('browser receiver token management is declared as a dangerous platform contract', () => {
     const permissions = ((permissionsSchema as any).permissions || []) as Array<{ name: string; dangerous: boolean }>;
     const permissionEnum = ((manifestSchema as any).properties.permissions.items.enum || []) as string[];