feat(recipe-parser): add SuiImage metadata format support

- Add SuiImageParamsParser for sui_image_params JSON format
- Register new parser in RecipeParserFactory
- Fix metadata_provider auto-initialization when not ready
- Add 10 test cases for SuiImageParamsParser

Fixes batch import failure for images with sui_image_params metadata.

py/services/metadata_service.py

@@ -122,11 +122,25 @@ async def get_metadata_provider(provider_name: str = None):
 
     provider_manager = await ModelMetadataProviderManager.get_instance()
 
-    provider = (
-        provider_manager._get_provider(provider_name)
-        if provider_name
-        else provider_manager._get_provider()
-    )
+    try:
+        provider = (
+            provider_manager._get_provider(provider_name)
+            if provider_name
+            else provider_manager._get_provider()
+        )
+    except ValueError as e:
+        # Provider not initialized, attempt to initialize
+        if "No default provider set" in str(e) or "not registered" in str(e):
+            logger.warning(f"Metadata provider not initialized ({e}), initializing now...")
+            await initialize_metadata_providers()
+            provider_manager = await ModelMetadataProviderManager.get_instance()
+            provider = (
+                provider_manager._get_provider(provider_name)
+                if provider_name
+                else provider_manager._get_provider()
+            )
+        else:
+            raise
 
     return _wrap_provider_with_rate_limit(provider_name, provider)