added close; fixed some issues

src-tauri/src/lib.rs

@@ -9,13 +9,10 @@ mod ai_provider;
 mod caption_generator;
 mod background_removal;
 
-/// Returns the backend URL. Stubbed for now; will be replaced once the
-/// Python/Rust backend is fully wired up.
+/// Returns the backend URL.
 #[tauri::command]
 fn get_backend_url() -> String {
-    // During development the Python backend still runs on 8642.
-    // In production this will be replaced with a local Rust server or IPC.
-    "http://localhost:8642".to_string()
+    "http://127.0.0.1:8000".to_string()
 }
 
 /// Minimal encrypt: base64-encodes the string as a placeholder until a proper