feat: add dynamic config reload, unique device identity (UUID), and MQTT support

- New StreamManager for dynamic RTSP/FLV stream lifecycle
- Dynamic worker scaling for inference
- Device UUID generation and persistence
- Telegraf config and NPU monitoring scripts
- .gitignore for build artifacts

cmd/edge-agent/main.go

@@ -21,13 +21,14 @@ func main() {
 	flag.Parse()
 
 	cfg := config.Load(*cfgPath)
-	log.Printf("edge-agent start id=%s cloud=%s", cfg.EdgeID, cfg.CloudURL)
+	log.Printf("edge-agent start id=%s uuid=%s cloud=%s mqtt=%s",
+		cfg.EdgeID, cfg.GetDeviceIdentity(), cfg.CloudURL, cfg.MqttBroker)
 
 	ctx, cancel := signal.NotifyContext(context.Background(), os.Interrupt, syscall.SIGTERM)
 	defer cancel()
 
-	frames := make(chan stream.Frame, 50)
-	events := make(chan event.SuspectedEvent, 200)
+	frames := make(chan stream.Frame, 100)
+	events := make(chan event.SuspectedEvent, 500)
 
 	var wg sync.WaitGroup
 	run := func(fn func(context.Context)) {
@@ -38,11 +39,23 @@ func main() {
 		}()
 	}
 
-	run(stream.NewIngestor(cfg, frames).Run)
-	run(infer.NewClient(cfg, frames, events).Run)
+	// 1. Cloud Communication
+	mqttMgr := control.NewMqttManager(cfg)
+	run(mqttMgr.Run)
+
+	// 2. Stream Ingestion (Dynamic)
+	run(stream.NewStreamManager(cfg, frames, mqttMgr.GetUpdates()).Run)
+
+	// 3. Inference (Dynamic Workers)
+	run(infer.NewClient(cfg, frames, events, mqttMgr.GetUpdates()).Run)
+
+	// 4. Event Upload
 	run(event.NewUploader(cfg, events).Run)
+
+	// 5. Heartbeat
 	run(control.NewHeartbeat(cfg).Run)
-	run(control.NewConfigAgent(cfg).Run)
+
+	// 6. OTA Update
 	run(control.NewOTAAgent(cfg).Run)
 
 	wg.Wait()