Fix Wan2.2 I2V LoRA adapter detection and base model suffix

- Add model ID check for I2V detection (not just tags)
- Add -Diffusers suffix when extracting base model from tags
- Add runtime validation for Wan LoRA base model against tags

videogen.py

@@ -1254,6 +1254,9 @@ def validate_hf_model(model_id, hf_token=None, debug=False):
             for tag in tags:
                 if tag.startswith("base_model:"):
                     base_model_from_tags = tag.replace("base_model:", "")
+                    # Add -Diffusers suffix if not present (required for HuggingFace model IDs)
+                    if base_model_from_tags and not base_model_from_tags.endswith("-Diffusers"):
+                        base_model_from_tags = f"{base_model_from_tags}-Diffusers"
                     if debug:
                         print(f"   [DEBUG] Found base model in tags: {base_model_from_tags}")
                     break
@@ -2006,8 +2009,8 @@ def search_hf_models(query, limit=20, hf_token=None):
             model_id = m.get("id", "")
             tags = m.get("tags", [])
             
-            # Determine type
-            is_i2v = any(t in tags for t in ["image-to-video", "i2v"])
+            model_name_lower = model_id.lower()
+            is_i2v = any(t in tags for t in ["image-to-video", "i2v"]) or "i2v" in model_name_lower
             is_video = "video" in tags or "text-to-video" in tags
             is_image = "text-to-image" in tags
             
@@ -8654,15 +8657,22 @@ def main(args):
     
     if is_lora:
         lora_id = m_info["id"]
-        # For Wan LoRA adapters, don't use stored base_model as it may be incorrect
-        # Instead, always infer from LoRA ID (check for i2v vs t2v)
-        lora_id_lower = lora_id.lower()
-        if "wan" in lora_id_lower:
-            # Skip reading from config - infer from LoRA ID instead
-            base_model_id = None
-        else:
+        
+        # First, try to use stored base_model from config
         base_model_id = m_info.get("base_model")
         
+        # For Wan LoRA adapters, validate stored base_model against tags
+        # The stored config may have incorrect base_model (T2V instead of I2V)
+        if "wan" in lora_id.lower() and base_model_id:
+            # Check tags for correct base model
+            tags = m_info.get("tags", [])
+            tags_str = " ".join(tags).lower() if tags else ""
+            
+            # If stored base_model is T2V but tags show I2V, we need to fix
+            if "t2v" in base_model_id.lower() and "i2v" in tags_str:
+                print(f"  ⚠️  Stored base_model appears incorrect (T2V), checking tags...")
+                base_model_id = None  # Force fallback to inference
+        
         # Allow manual override via --base-model
         if args.base_model:
             base_model_id = args.base_model