Auto-discover active Pangolin directory from Docker inspect and backup Docker volumes

backend/pangolin.py

@@ -31,11 +31,28 @@ async def get_pangolin_stack_status() -> Dict[str, Any]:
 
     # Query Remote VPS for files, DB, and Docker status
     check_script = f"""
-[ -f "{p_dir}/docker-compose.yml" ] || [ -f "{p_dir}/compose.yaml" ] && echo "COMPOSE_EXISTS" || echo "COMPOSE_NO"
-[ -f "{p_dir}/config/config.yml" ] || [ -f "{p_dir}/config.yml" ] && echo "CONFIG_EXISTS" || echo "CONFIG_NO"
+P_DIR="{p_dir}"
+if [ ! -d "$P_DIR" ] || [ -z "$(ls -A "$P_DIR" 2>/dev/null)" ]; then
+    DETECTED=$(docker inspect --format '{{{{index .Config.Labels \"com.docker.compose.project.working_dir\"}}}}' $(docker ps -aq --filter "name=pangolin" 2>/dev/null) 2>/dev/null | head -n 1)
+    if [ -z "$DETECTED" ] || [ ! -d "$DETECTED" ]; then
+        for candidate in /root/pangolin /opt/pangolin /home/*/pangolin /var/lib/pangolin /srv/pangolin /etc/pangolin; do
+            if [ -d "$candidate" ] && [ -n "$(ls -A "$candidate" 2>/dev/null)" ]; then
+                DETECTED="$candidate"
+                break
+            fi
+        done
+    fi
+    if [ -n "$DETECTED" ] && [ -d "$DETECTED" ]; then
+        P_DIR="$DETECTED"
+    fi
+fi
+echo "RESOLVED_DIR:$P_DIR"
+
+[ -f "$P_DIR/docker-compose.yml" ] || [ -f "$P_DIR/compose.yaml" ] && echo "COMPOSE_EXISTS" || echo "COMPOSE_NO"
+[ -f "$P_DIR/config/config.yml" ] || [ -f "$P_DIR/config.yml" ] && echo "CONFIG_EXISTS" || echo "CONFIG_NO"
 
 # Check DB
-db=$(find "{p_dir}" -name "*.db" -o -name "*.sqlite" 2>/dev/null | head -n 1)
+db=$(find "$P_DIR" -name "*.db" -o -name "*.sqlite" 2>/dev/null | head -n 1)
 if [ -n "$db" ]; then
     echo "DB_PATH:$db"
     wc -c "$db" 2>/dev/null | awk '{{print $1}}'
@@ -45,7 +62,7 @@ else
 fi
 
 # Docker containers
-docker ps -a --format '{{json .}}' 2>/dev/null || true
+docker ps -a --format '{{{{json .}}}}' 2>/dev/null || true
 """
     ret, stdout, stderr = await run_remote_quick(check_script, settings)
 
@@ -54,7 +71,7 @@ docker ps -a --format '{{json .}}' 2>/dev/null || true
             "vps_configured": True,
             "connected": False,
             "installed": False,
-            "path": p_dir,
+            "path": resolved_path,
             "compose_exists": False,
             "config_exists": False,
             "database": {"found": False, "path": None, "size_bytes": 0},
@@ -66,6 +83,12 @@ docker ps -a --format '{{json .}}' 2>/dev/null || true
         }
 
     lines = stdout.splitlines()
+    resolved_path = p_dir
+    for l in lines:
+        if l.startswith("RESOLVED_DIR:"):
+            resolved_path = l.split(":", 1)[1].strip()
+            break
+
     compose_exists = any("COMPOSE_EXISTS" in l for l in lines)
     config_exists = any("CONFIG_EXISTS" in l for l in lines)
 
@@ -107,7 +130,7 @@ docker ps -a --format '{{json .}}' 2>/dev/null || true
         "vps_configured": True,
         "connected": True,
         "installed": compose_exists,
-        "path": p_dir,
+        "path": resolved_path,
         "compose_exists": compose_exists,
         "config_exists": config_exists,
         "database": {