made some good changes

service.sh

@@ -1,10 +1,90 @@
 #!/system/bin/sh
+MODDIR=$(dirname "$0")
 PROVIDER_DST="/data/local/tmp/virtual_camera_provider"
 LIB_DST="/data/local/tmp/virtualcam_libs"
+BOOT_LOG="$MODDIR/boot.log"
+MODULE_PROP="$MODDIR/module.prop"
+
+log() {
+    echo "[$(date)] $*" >> "$BOOT_LOG"
+}
+
+log "service.sh starting"
+
+# Wait for boot to settle
 sleep 30
+
+# Load v4l2loopback if not already loaded (safe here, boot is complete)
+if ! lsmod 2>/dev/null | grep -q v4l2loopback; then
+    log "service: loading v4l2loopback"
+    insmod "$MODDIR/v4l2loopback.ko" devices=2 video_nr=0,1 card_label="VirtualCam" exclusive_caps=0 2>/dev/null && \
+        log "service: v4l2loopback loaded" || log "service: v4l2loopback load failed"
+fi
+
+# Initial provider start if not running
 if ! pgrep -f virtual_camera_provider >/dev/null 2>&1 && [ -x "$PROVIDER_DST" ]; then
+    log "service: starting provider"
     nohup env LD_LIBRARY_PATH="$LIB_DST" "$PROVIDER_DST" \
         -d /dev/video0 -w 1920 -h 1080 -i virtual \
         </dev/null >/dev/null 2>&1 &
+    log "service: provider launched"
 fi
-exit 0
+
+# Periodic watchdog + description update
+while true; do
+    PROVIDER_PID=$(pgrep -f "/virtual_camera_provider" | head -1)
+    FEEDER_PID=$(pgrep -f "ffmpeg.*video0" | head -1)
+    V4L2=$(lsmod 2>/dev/null | grep -q v4l2loopback && echo 1 || echo 0)
+    SVC=$(service list 2>/dev/null | grep -q "virtual/0" && echo 1 || echo 0)
+
+    # Determine status
+    if [ -n "$PROVIDER_PID" ] && [ "$SVC" = "1" ]; then
+        STATUS="active"
+    elif [ -n "$PROVIDER_PID" ] || [ "$SVC" = "1" ]; then
+        STATUS="partial"
+    else
+        STATUS="idle"
+    fi
+
+    case "$STATUS" in
+        active)  DESC="[ACTIVE] Virtual Camera - Physical cameras replaced" ;;
+        idle)    DESC="[IDLE] Virtual Camera - Ready to start" ;;
+        partial) DESC="[PARTIAL] Virtual Camera - Starting up..." ;;
+        *)       DESC="Virtual Camera HAL3 - Replaces Pixel 9A cameras" ;;
+    esac
+
+    if [ -f "$MODULE_PROP" ]; then
+        CURRENT_DESC=$(grep "^description=" "$MODULE_PROP" | head -1)
+        if [ "$CURRENT_DESC" != "description=$DESC" ]; then
+            sed -i "s/^description=.*/description=$DESC/" "$MODULE_PROP" 2>/dev/null && \
+                log "service: description updated to '$DESC'"
+        fi
+    fi
+
+    # Restart provider if dead
+    if [ -z "$PROVIDER_PID" ] && [ -x "$PROVIDER_DST" ]; then
+        log "service: provider died, restarting"
+        nohup env LD_LIBRARY_PATH="$LIB_DST" "$PROVIDER_DST" \
+            -d /dev/video0 -w 1920 -h 1080 -i virtual \
+            </dev/null >/dev/null 2>&1 &
+    fi
+
+    # Memory check: kill provider/feeder if RSS exceeds 512MB (safety limit)
+    for pid in $PROVIDER_PID $FEEDER_PID; do
+        [ -z "$pid" ] && continue
+        rss_kb=$(cat /proc/$pid/status 2>/dev/null | grep VmRSS | awk '{print $2}')
+        if [ -n "$rss_kb" ] && [ "$rss_kb" -gt 524288 ] 2>/dev/null; then
+            log "service: PID $pid RSS ${rss_kb}KB exceeds limit, killing"
+            kill -9 "$pid" 2>/dev/null || true
+        fi
+    done
+
+    # Check if stock HAL came back and kill it
+    if pgrep -f camera-provider-2-7-google >/dev/null 2>&1; then
+        setprop ctl.stop vendor.camera-provider-2-7-google 2>/dev/null || true
+        kill -9 "$(pgrep -f camera-provider-2-7-google)" 2>/dev/null || true
+        log "service: re-killed stock HAL"
+    fi
+
+    sleep 10
+done