fix: always allow local fallback even if remote client missing; remove blocking error

app.py

@@ -91,17 +91,7 @@ def _run_local_faceswap(source_image_path: str, target_video_path: str) -> Optio
 
 # ── main generate ────────────────────────────────────────────────────
 def generate(input_image, input_video):
-
-    # If backend client failed to initialize, show a clear error and bail
-    if client is None:
-        msg = (
-            "Backend unavailable. Please set Space Secret 'TOKEN' (and optionally 'BACKEND_SPACE'). "
-            f"Current BACKEND_SPACE='{backend_space}'. Error: {client_init_error}"
-        )
-        gr.Error(msg)
-        return None
-
-    # Minimal mode: no gender selector
+    # Minimal mode: no gender selector; if remote client is missing, we fall back to local
 
     try:
         gr.Info("Processing started. This may take 1-3 minutes on first run.")