功能：完善2K串流、显示恢复与输入优化

docs/evidence/input-latency-20261103/deployed-final.txt

@@ -0,0 +1,15 @@
+101612 /home/armbian/vdi-build/rkmpp-experiment/build/moonlight/app/moonlight stream 192.168.1.70 Desktop --resolution 2560x1440 --fps 30 --bitrate 30000 --display-mode fullscreen --video-codec H.264 --video-decoder hardware --absolute-mouse --keep-awake --no-vsync --no-frame-pacing --audio-on-host
+Renderer 'SDL' with 'DRM' backend chosen
+00:00:09 - SDL Info (0): VDI latest-frame queue: enabled
+00:00:09 - SDL Info (0): Renderer 'EGL/GLES' with 'DRM' backend chosen
+vdi_connection attempt=1 desktop=desk-win10-01 phase=ticket result=ready phase_ms=20 total_ms=20 error=
+vdi_connection attempt=1 desktop=desk-win10-01 phase=process_start result=started phase_ms=0 total_ms=21 error=
+vdi_connection attempt=1 desktop=desk-win10-01 phase=process_start result=ready phase_ms=103 total_ms=125 error=
+vdi_connection attempt=1 desktop=desk-win10-01 phase=stream_ready result=ready phase_ms=10440 total_ms=10566 error=
+active
+WINDOW=44040203
+X=0
+Y=0
+WIDTH=2560
+HEIGHT=1440
+SCREEN=0