feat(FN-3708): restore narrow logs/system mouse auto-toggle policy and docu

The merge delivers three feature themes: FN-3708 restores and tests a narrow logs/system mouse auto-toggle policy in the TUI app with documentation, FN-3087 adds immediate wake controls for the agent inbox and messaging API routes, and FN-3704 separates plugin lifecycle management from setup probe s

Fusion-Task-Id: FN-3708

packages/dashboard/src/__tests__/routes-agents.test.ts

@@ -3184,7 +3184,11 @@ describe("Messaging Routes", () => {
           "project-1",
           {
             getWorkingDirectory: () => rootDir,
-            getHeartbeatMonitor: () => ({ executeHeartbeat: projectExecuteHeartbeat }),
+            getHeartbeatMonitor: () => ({
+              executeHeartbeat: projectExecuteHeartbeat,
+              startRun: vi.fn(),
+              stopRun: vi.fn(),
+            }),
           },
         ],
       ])),