feat(meowpanel): 阶段C收尾——实时画面+远程遥控 (agent-224) — /api/screen.jpeg(fb0活动帧→自研最小baseline JPEG编码器,480x720≈24KB/帧,无libm零依赖) + /api/input/tap(坐标注入,BTN_TOUCH先行时序,本机触摸优先5s仲裁); 前端「屏幕」页(1fps可调,点击映射,息屏提示)

meowpanel→e98aec66 已部署; 真机验证: jpeg非全黑+注入tap拉起Files(日志+截图双证)
注: 注入走 write event1(实测本机可投递,未用uinput)

patch_v2/meowpanel/build_meowpanel.sh

@@ -7,6 +7,7 @@
 # 用法：
 #   ./build_meowpanel.sh           # 交叉编译 → patch_v2/meowpanel/meowpanel（mipsel 静态）
 #   ./build_meowpanel.sh host      # 宿主编译 → patch_v2/meowpanel/meowpanel_host
+# 源码：meowpanel.c + mp_jpeg.c（最小 baseline JPEG 编码器，阶段 C 实时画面）。
 set -e
 cd "$(dirname "$0")"
 ROOT="$HOME/Project/R3ProII"
@@ -15,14 +16,14 @@ I_HDR="$ROOT/patch_v2/meow_launcherd"   # meow_ipc.h（帧/m_perf_query_t/m_perf
 
 if [ "$1" = "host" ]; then
     HOST_CC="${CC_HOST:-cc}"
-    "$HOST_CC" -Os -Wall -Wextra -I"$I_HDR" meowpanel.c -o meowpanel_host
+    "$HOST_CC" -Os -Wall -Wextra -I"$I_HDR" meowpanel.c mp_jpeg.c -o meowpanel_host
     echo "== host build =="
     ls -la meowpanel_host
     file meowpanel_host
     exit 0
 fi
 
-"$CC" -Os -Wall -Wextra -static -I"$I_HDR" meowpanel.c -o meowpanel
+"$CC" -Os -Wall -Wextra -static -I"$I_HDR" meowpanel.c mp_jpeg.c -o meowpanel
 echo "== meowpanel (mipsel static) =="
 ls -la meowpanel
 md5sum meowpanel