fix: restore Windows webcam stream support by conditionally delegating to frontend events

client/app.go

@@ -1267,6 +1267,12 @@ func (a *App) startWebcamStream() {
 	a.streamCamStop = make(chan struct{})
 	a.mu.Unlock()
 
+	if !camera.IsNative {
+		log.Println("[WS] Platform is non-darwin, delegating webcam stream to frontend events")
+		runtime.EventsEmit(a.ctx, "start_webcam_stream")
+		return
+	}
+
 	if err := camera.StartCapture(); err != nil {
 		log.Printf("[WS] Failed to start native camera: %v", err)
 		a.mu.Lock()
@@ -1328,7 +1334,16 @@ func (a *App) stopWebcamStream() {
 		return
 	}
 	a.isStreamingCam = false
-	close(a.streamCamStop)
+	if a.streamCamStop != nil {
+		close(a.streamCamStop)
+	}
+
+	if !camera.IsNative {
+		log.Println("[WS] Platform is non-darwin, stopping frontend webcam stream via event")
+		runtime.EventsEmit(a.ctx, "stop_webcam_stream")
+		return
+	}
+
 	camera.StopCapture()
 	log.Println("[WS] Webcam native streaming stopped.")
 }

client/internal/camera/camera_darwin.go

@@ -3,7 +3,7 @@
 package camera
 
 /*
-#cgo LDFLAGS: -framework AVFoundation -framework Foundation -framework CoreImage -framework CoreMedia -framework CoreVideo -framework AppKit
+#cgo LDFLAGS: -framework AVFoundation -framework Foundation -framework CoreImage -framework CoreMedia -framework CoreVideo -framework ImageIO -framework AppKit
 #include <stdlib.h>
 
 int StartNativeCamera(void);
@@ -17,6 +17,8 @@ import (
 	"unsafe"
 )
 
+const IsNative = true
+
 // StartCapture starts native camera capture via AVCaptureSession
 func StartCapture() error {
 	ret := C.StartNativeCamera()

client/internal/camera/camera_other.go

@@ -4,6 +4,8 @@ package camera
 
 import "log"
 
+const IsNative = false
+
 // StartCapture is a no-op on non-darwin platforms (Windows uses different webcam API)
 func StartCapture() error {
 	log.Println("[CAMERA] Native camera capture not supported on this platform")