chore: Make all FastAPI endpoints async

PiperOrigin-RevId: 792886431

Author: DeanChensj

src/google/adk/cli/adk_web_server.py

@@ -352,18 +352,18 @@ async def internal_lifespan(app: FastAPI):
       )
 
     @app.get("/list-apps")
-    def list_apps() -> list[str]:
+    async def list_apps() -> list[str]:
       return self.agent_loader.list_agents()
 
     @app.get("/debug/trace/{event_id}", tags=[TAG_DEBUG])
-    def get_trace_dict(event_id: str) -> Any:
+    async def get_trace_dict(event_id: str) -> Any:
       event_dict = trace_dict.get(event_id, None)
       if event_dict is None:
         raise HTTPException(status_code=404, detail="Trace not found")
       return event_dict
 
     @app.get("/debug/trace/session/{session_id}", tags=[TAG_DEBUG])
-    def get_session_trace(session_id: str) -> Any:
+    async def get_session_trace(session_id: str) -> Any:
       spans = memory_exporter.get_finished_spans(session_id)
       if not spans:
         return []
@@ -461,7 +461,7 @@ async def create_session(
         response_model_exclude_none=True,
         tags=[TAG_EVALUATION],
     )
-    def create_eval_set(
+    async def create_eval_set(
         app_name: str,
         eval_set_id: str,
     ):
@@ -479,7 +479,7 @@ def create_eval_set(
         response_model_exclude_none=True,
         tags=[TAG_EVALUATION],
     )
-    def list_eval_sets(app_name: str) -> list[str]:
+    async def list_eval_sets(app_name: str) -> list[str]:
       """Lists all eval sets for the given app."""
       try:
         return self.eval_sets_manager.list_eval_sets(app_name)
@@ -532,7 +532,7 @@ async def add_session_to_eval_set(
         response_model_exclude_none=True,
         tags=[TAG_EVALUATION],
     )
-    def list_evals_in_eval_set(
+    async def list_evals_in_eval_set(
         app_name: str,
         eval_set_id: str,
     ) -> list[str]:
@@ -551,7 +551,7 @@ def list_evals_in_eval_set(
         response_model_exclude_none=True,
         tags=[TAG_EVALUATION],
     )
-    def get_eval(
+    async def get_eval(
         app_name: str, eval_set_id: str, eval_case_id: str
     ) -> EvalCase:
       """Gets an eval case in an eval set."""
@@ -574,7 +574,7 @@ def get_eval(
         response_model_exclude_none=True,
         tags=[TAG_EVALUATION],
     )
-    def update_eval(
+    async def update_eval(
         app_name: str,
         eval_set_id: str,
         eval_case_id: str,
@@ -605,7 +605,7 @@ def update_eval(
         "/apps/{app_name}/eval_sets/{eval_set_id}/evals/{eval_case_id}",
         tags=[TAG_EVALUATION],
     )
-    def delete_eval(app_name: str, eval_set_id: str, eval_case_id: str):
+    async def delete_eval(app_name: str, eval_set_id: str, eval_case_id: str):
       try:
         self.eval_sets_manager.delete_eval_case(
             app_name, eval_set_id, eval_case_id
@@ -690,7 +690,7 @@ async def run_eval(
         response_model_exclude_none=True,
         tags=[TAG_EVALUATION],
     )
-    def get_eval_result(
+    async def get_eval_result(
         app_name: str,
         eval_result_id: str,
     ) -> EvalSetResult:
@@ -709,7 +709,7 @@ def get_eval_result(
         response_model_exclude_none=True,
         tags=[TAG_EVALUATION],
     )
-    def list_eval_results(app_name: str) -> list[str]:
+    async def list_eval_results(app_name: str) -> list[str]:
       """Lists all eval results for the given app."""
       return self.eval_set_results_manager.list_eval_set_results(app_name)
 
@@ -718,7 +718,7 @@ def list_eval_results(app_name: str) -> list[str]:
         response_model_exclude_none=True,
         tags=[TAG_EVALUATION],
     )
-    def list_eval_metrics(app_name: str) -> list[MetricInfo]:
+    async def list_eval_metrics(app_name: str) -> list[MetricInfo]:
       """Lists all eval metrics for the given app."""
       try:
         from ..evaluation.metric_evaluator_registry import DEFAULT_METRIC_EVALUATOR_REGISTRY

src/google/adk/tools/mcp_tool/mcp_session_manager.py

@@ -85,9 +85,9 @@ class SseConnectionParams(BaseModel):
 
 
 class StreamableHTTPConnectionParams(BaseModel):
-  """Parameters for the MCP streamable HTTP connection.
+  """Parameters for the MCP SSE connection.
 
-  See MCP streamable HTTP Client documentation for more details.
+  See MCP SSE Client documentation for more details.
   https://github.com/modelcontextprotocol/python-sdk/blob/main/src/mcp/client/streamable_http.py
 
   Attributes: