fix(permissions): tools MCP inter-projets exposés (idea_project_*) + contactable agent/template persisté — update_agent_contactable (application/web-server/app-tauri), defaultContactable TemplateEditor save/reopen, groupes MCP 'IdeA inter-projets' avec fallback, permissions agent Contactable — #267 (QA verte)

frontend/src/adapters/agent.ts

@@ -144,6 +144,16 @@ export class TauriAgentGateway implements AgentGateway {
     });
   }
 
+  updateAgentContactable(
+    projectId: string,
+    agentId: string,
+    contactable: boolean,
+  ): Promise<Agent> {
+    return invoke<Agent>("update_agent_contactable", {
+      request: { projectId, agentId, contactable },
+    });
+  }
+
   readContext(projectId: string, agentId: string): Promise<string> {
     return invoke<AgentContextDocument>("read_agent_context", {
       projectId,