Fix Wan 2.2 I2V base model detection

- Fixed mapping table to use correct I2V base model (Wan-AI/Wan2.2-I2V-14B-Diffusers)
- Fixed Diffuser -> Diffusers typo in model IDs
- Updated all Wan 2.2 I2V references to use correct model ID

videogen.py

@@ -1431,7 +1431,7 @@ def add_model_from_hf(model_id_or_url, name=None, hf_token=None, debug=False):
             if "wan" in model_id.lower():
                 if "wan2.2" in model_id.lower():
                     # Wan 2.2 models - use the new MoE base
-                    base_model = "Wan-AI/Wan2.2-I2V-A14B-Diffusers" if is_i2v else "Wan-AI/Wan2.2-T2V-14B-Diffuser"
+                    base_model = "Wan-AI/Wan2.2-I2V-14B-Diffusers" if is_i2v else "Wan-AI/Wan2.2-T2V-14B-Diffusers"
                 else:
                     # Wan 2.1 and earlier
                     base_model = "Wan-AI/Wan2.1-I2V-14B-Diffusers" if is_i2v else "Wan-AI/Wan2.1-T2V-14B-Diffusers"
@@ -3868,7 +3868,7 @@ def select_best_model(gen_type, models, vram_gb=24, prefer_quality=True, return_
                 if "wan" in lora_id:
                     if "wan2.2" in lora_id:
                         # Wan 2.2 models - use the new MoE base
-                        base_model_id = "Wan-AI/Wan2.2-I2V-A14B-Diffusers" if info.get("supports_i2v") else "Wan-AI/Wan2.2-T2V-14B-Diffuser"
+                        base_model_id = "Wan-AI/Wan2.2-I2V-14B-Diffusers" if info.get("supports_i2v") else "Wan-AI/Wan2.2-T2V-14B-Diffusers"
                     else:
                         # Wan 2.1 and earlier
                         base_model_id = "Wan-AI/Wan2.1-I2V-14B-Diffusers" if info.get("supports_i2v") else "Wan-AI/Wan2.1-T2V-14B-Diffusers"
@@ -9214,9 +9214,9 @@ def main(args):
                         base_model_fallbacks = {
                             "ltx": "Lightricks/LTX-Video",
                             "ltxvideo": "Lightricks/LTX-Video",
-                            # Wan 2.2 models - use T2V base for all (I2V models use same base)
-                            "wan2.2.i2v.a14b": "Wan-AI/Wan2.2-T2V-14B-Diffusers",
-                            "wan2.2.i2v": "Wan-AI/Wan2.2-T2V-14B-Diffusers",
+                            # Wan 2.2 models - I2V uses I2V base, T2V uses T2V base
+                            "wan2.2.i2v.a14b": "Wan-AI/Wan2.2-I2V-14B-Diffusers",
+                            "wan2.2.i2v": "Wan-AI/Wan2.2-I2V-14B-Diffusers",
                             "wan2.2": "Wan-AI/Wan2.2-T2V-14B-Diffusers",
                             # Wan 2.1 models
                             "wan2.1.i2v.a14b": "Wan-AI/Wan2.1-T2V-14B-Diffusers",