Add --json flag for model list output (for web interface)

- Add --json argument to output model list in JSON format
- Include model capabilities, disabled status, and fail count in JSON output
- This fixes the web interface model list not showing models

videogen

@@ -2866,10 +2866,15 @@ def show_model_details(model_id_or_name, args):
 
 
 def print_model_list(args):
-    print("\nAvailable models (filtered):\n")
+    # Check if JSON output is requested
+    json_output = getattr(args, 'json', False)
+    
+    if not json_output:
+        print("\nAvailable models (filtered):\n")
 
     shown = 0
     results = []
+    json_results = []
     
     # Load auto-disable data for showing disabled status
     auto_disable_data = load_auto_disable_data()
@@ -2917,6 +2922,21 @@ def print_model_list(args):
         fail_count = get_model_fail_count(model_id, name)
         
         results.append((name, info, caps, is_disabled, fail_count))
+        
+        # Build JSON result
+        if json_output:
+            json_results.append({
+                "name": name,
+                "id": info.get("id", ""),
+                "vram": info.get("vram", ""),
+                "class": info.get("class", ""),
+                "desc": info.get("desc", ""),
+                "capabilities": caps,
+                "is_disabled": is_disabled,
+                "fail_count": fail_count,
+                "is_lora": info.get("is_lora", False),
+                "base_model": info.get("base_model"),
+            })
 
     if shown == 0:
         print("No models match the selected filters.")
@@ -2968,6 +2988,11 @@ def print_model_list(args):
             print(f"  {disabled_count} model(s) disabled for --auto mode")
             print(f"  Use --model <name> manually to re-enable a disabled model")
 
+    # JSON output
+    if json_output:
+        print(json.dumps(json_results, indent=2))
+        sys.exit(0)
+    
     print("\nFilters: --t2v-only, --i2v-only, --t2i-only, --v2v-only, --v2i-only, --3d-only, --tts-only, --audio-only")
     print("         --nsfw-friendly, --low-vram, --high-vram, --huge-vram")
     print("\nUse --model <name> to select a model.")
@@ -8890,6 +8915,8 @@ List TTS voices:
     # Model listing arguments
     parser.add_argument("--model-list", action="store_true",
                         help="Print list of all available models and exit")
+    parser.add_argument("--json", action="store_true",
+                        help="Output model list in JSON format (for web interface)")
     parser.add_argument("--tts-list", action="store_true",
                         help="Print list of all available TTS voices and exit")