[debug] auto download

app.py

@@ -116,21 +116,24 @@ class ModelManager:
     
     def _load_c2c_model(self):
         """Load Rosetta (C2C) model."""
-        print(f"\n[C2C] Loading Rosetta model from {self.c2c_checkpoint_path}...")
+        print(f"\n[C2C] Loading from {self.c2c_checkpoint_path}...")
         
-        # Check if checkpoint exists
+        # Auto-download if checkpoint doesn't exist
         if not Path(self.c2c_checkpoint_path).exists():
-            raise FileNotFoundError(
-                f"C2C checkpoint not found: {self.c2c_checkpoint_path}\n"
-                "You can download the checkpoints automatically with:\n"
-                "    from huggingface_hub import snapshot_download\n"
-                "    snapshot_download(\n"
-                "        repo_id='nics-efc/C2C_Fuser',\n"
-                "        allow_patterns=['qwen3_0.6b+qwen2.5_0.5b_Fuser/*'],\n"
-                "        local_dir='local/checkpoints'\n"
-                "    )\n"
-                "Or see the project README for more details."
-            )
+            print("[C2C] Downloading checkpoint from HuggingFace (may take a few minutes)...")
+            try:
+                from huggingface_hub import snapshot_download
+                checkpoint_name = Path(self.c2c_checkpoint_path).name
+                snapshot_download(
+                    repo_id='nics-efc/C2C_Fuser',
+                    allow_patterns=[f'{checkpoint_name}/*'],
+                    local_dir=str(Path(self.c2c_checkpoint_path).parent)
+                )
+                print("[C2C] ✓ Download complete")
+            except ImportError:
+                raise ImportError("Install huggingface_hub: pip install huggingface_hub")
+            except Exception as e:
+                raise RuntimeError(f"Download failed: {e}\nManual download: https://huggingface.co/nics-efc/C2C_Fuser")
         
         # Load config
         import yaml