Fix LoRA base model and I2V detection

- Always infer base model from LoRA name, not stored database value
- Fix supports_i2v detection for LoRAs based on LoRA name
- Ensures Wan 2.2 I2V LoRAs use correct I2V base model

videogen.py

@@ -8554,6 +8554,13 @@ def main(args):
     
     m_info = MODELS[model_key]
     
+    # Fix LoRA model info - the stored values may be incorrect
+    # Always determine supports_i2v and base model from the LoRA name
+    if m_info.get("is_lora"):
+        lora_id = m_info.get("id", "").lower()
+        if "i2v" in lora_id:
+            m_info["supports_i2v"] = True
+    
     # Determine task type based on arguments
     model_id = m_info["id"]
     is_i2v_mode = args.image_to_video or args.image
@@ -8654,22 +8661,20 @@ def main(args):
     
     if is_lora:
         lora_id = m_info["id"]
-        base_model_id = m_info.get("base_model")
         
         # Allow manual override via --base-model
         if args.base_model:
             base_model_id = args.base_model
             print(f"  Using override base model: {base_model_id}")
-        
-        if not base_model_id:
-            # Try to infer base model from LoRA/model name
+        else:
+            # Always re-infer base model from LoRA name - the stored value may be incorrect
+            # This is especially important for Wan models where I2V vs T2V matters
             lora_id_lower = lora_id.lower()
             
             # Wan models - check for version 2.2 first, then 2.1
             if "wan" in lora_id_lower:
                 if "wan2.2" in lora_id_lower or "wan2_2" in lora_id_lower:
                     # Wan 2.2 models - use lora_id_lower to determine I2V vs T2V
-                    # This is more reliable than m_info.get("supports_i2v")
                     if "i2v" in lora_id_lower:
                         base_model_id = "Wan-AI/Wan2.2-I2V-A14B-Diffusers"
                     else:
@@ -8682,7 +8687,6 @@ def main(args):
                         base_model_id = "Wan-AI/Wan2.1-T2V-14B-Diffusers"
                 else:
                     # Generic Wan - check the lora_id for i2v instead of m_info
-                    # This is more reliable as m_info.supports_i2v may not be set correctly
                     if "i2v" in lora_id_lower:
                         base_model_id = "Wan-AI/Wan2.2-I2V-A14B-Diffusers"
                     else:
@@ -8694,9 +8698,12 @@ def main(args):
             elif "flux" in lora_id_lower:
                 base_model_id = "black-forest-labs/FLUX.1-dev"
             else:
-                print(f"❌ Cannot determine base model for LoRA: {lora_id}")
-                print(f"   Please specify --base-model when using this LoRA")
-                sys.exit(1)
+                # Fallback to stored value if we can't infer
+                base_model_id = m_info.get("base_model")
+                if not base_model_id:
+                    print(f"❌ Cannot determine base model for LoRA: {lora_id}")
+                    print(f"   Please specify --base-model when using this LoRA")
+                    sys.exit(1)
         
         print(f"  LoRA detected: {lora_id}")
         print(f"  Base model: {base_model_id}")