Fix mypy type error: handle None parameter names

Fix type checking error where param.name could be None when used as
dict key. Added None checks before using param.name in both Google AI
and Vertex AI utils to satisfy mypy strict type requirements.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: weiguangli-io

python/semantic_kernel/connectors/ai/google/google_ai/services/utils.py

@@ -152,12 +152,14 @@ def kernel_function_metadata_to_google_ai_function_call_format(metadata: KernelF
     if metadata.parameters:
         properties = {}
         for param in metadata.parameters:
+            if param.name is None:
+                continue
             prop_schema = sanitize_schema_for_google_ai(param.schema_data) if param.schema_data else param.schema_data
             properties[param.name] = prop_schema
         parameters = {
             "type": "object",
             "properties": properties,
-            "required": [p.name for p in metadata.parameters if p.is_required],
+            "required": [p.name for p in metadata.parameters if p.is_required and p.name is not None],
         }
     return {
         "name": metadata.custom_fully_qualified_name(GEMINI_FUNCTION_NAME_SEPARATOR),

python/semantic_kernel/connectors/ai/google/vertex_ai/services/utils.py

@@ -141,6 +141,8 @@ def kernel_function_metadata_to_vertex_ai_function_call_format(metadata: KernelF
     properties: dict[str, Any] = {}
     if metadata.parameters:
         for param in metadata.parameters:
+            if param.name is None:
+                continue
             prop_schema = sanitize_schema_for_google_ai(param.schema_data) if param.schema_data else param.schema_data
             properties[param.name] = prop_schema
     return FunctionDeclaration(
@@ -149,7 +151,7 @@ def kernel_function_metadata_to_vertex_ai_function_call_format(metadata: KernelF
         parameters={
             "type": "object",
             "properties": properties,
-            "required": [p.name for p in metadata.parameters if p.is_required],
+            "required": [p.name for p in metadata.parameters if p.is_required and p.name is not None],
         },
     )