优化兑换流程, 优化浏览器分辨率

apps/backend/scripts/start-dev-container.sh

@@ -15,10 +15,43 @@ is_true() {
 
 start_browser_debug_services() {
   display="${TENCENT_BROWSER_DISPLAY:-:99}"
-  resolution="${TENCENT_BROWSER_VNC_RESOLUTION:-1440x1280x24}"
+  resolution="${TENCENT_BROWSER_VNC_RESOLUTION:-1600x900x24}"
+  display_number="${display#:}"
+  display_number="${display_number%%.*}"
+  display_socket="/tmp/.X11-unix/X${display_number}"
+  display_lock="/tmp/.X${display_number}-lock"
+
+  if [ -f "$display_lock" ]; then
+    display_pid=$(cat "$display_lock" 2>/dev/null || true)
+    if [ -z "$display_pid" ] || ! kill -0 "$display_pid" 2>/dev/null; then
+      rm -f "$display_lock" "$display_socket"
+    fi
+  fi
 
   export DISPLAY="$display"
   Xvfb "$display" -screen 0 "$resolution" -nolisten tcp >/tmp/xvfb.log 2>&1 &
+  xvfb_pid=$!
+
+  ready=0
+  attempt=0
+  while [ "$attempt" -lt 50 ]; do
+    if [ -S "$display_socket" ]; then
+      ready=1
+      break
+    fi
+
+    if ! kill -0 "$xvfb_pid" 2>/dev/null; then
+      break
+    fi
+
+    attempt=$((attempt + 1))
+    sleep 0.1
+  done
+
+  if [ "$ready" -ne 1 ]; then
+    echo "[backend-dev] Xvfb display ${DISPLAY} not ready for x11vnc; skip noVNC startup" >&2
+    return
+  fi
 
   if ! is_true "${TENCENT_BROWSER_NOVNC_ENABLED:-true}"; then
     echo "[backend-dev] headed browser enabled on ${DISPLAY}; noVNC disabled"