feat(monitoring): dispatch monitoring tasks to desktop via AMQP outbox

Replace SSE /desktop/events with priority AMQP dispatch for monitoring
runs, and add phase1/phase2 infrastructure so desktop workers can lease,
resume, report, skip, and cancel monitoring tasks over the existing
dispatch WebSocket.

- Add monitoring collect outbox worker and phase2 desktop task fields
- Add /desktop/monitoring/tasks/{lease,resume,result,skip,cancel} routes
- Introduce execution-devtools and network-observer on desktop runtime
- Refactor runtime-controller, LoginView, and doubao adapter for the new flow
- Add channelName column to tracking views

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

server/internal/tenant/transport/router_test.go

@@ -75,11 +75,16 @@ func TestDesktopClientRoutes_ClientTokenAuth(t *testing.T) {
 		method string
 		path   string
 	}{
-		{http.MethodGet, "/api/desktop/events"},
+		{http.MethodGet, "/api/desktop/dispatch"},
 		{http.MethodGet, "/api/desktop/accounts"},
 		{http.MethodPost, "/api/desktop/clients/offline"},
 		{http.MethodPost, "/api/desktop/tasks/lease"},
 		{http.MethodPost, "/api/desktop/tasks/:id/result"},
+		{http.MethodPost, "/api/desktop/monitoring/tasks/lease"},
+		{http.MethodPost, "/api/desktop/monitoring/tasks/resume"},
+		{http.MethodPost, "/api/desktop/monitoring/tasks/:id/result"},
+		{http.MethodPost, "/api/desktop/monitoring/tasks/:id/skip"},
+		{http.MethodPost, "/api/desktop/monitoring/tasks/:id/cancel"},
 	}
 
 	for _, rt := range routes {