修复tool监控丢失的问题

tests/storage/test_sql_common.py

@@ -10,9 +10,13 @@
 import base64
 import json
 import pickle
+from copy import deepcopy
+from types import SimpleNamespace
+from typing import Iterator
 from unittest.mock import MagicMock
 
 import pytest
+
 from sqlalchemy import Text
 from sqlalchemy.dialects import mysql
 from sqlalchemy.dialects import postgresql
@@ -31,9 +35,11 @@
     UTF8MB4String,
     decode_content,
     decode_grounding_metadata,
+    decode_grounding_metadata,
+    GLOBAL_TYPE_DECORATOR_HOOK_REGISTRY,
+    TypeDecoratorHookRegistry,
 )
 
-
 # ---------------------------------------------------------------------------
 # decode_content
 # ---------------------------------------------------------------------------
@@ -459,3 +465,129 @@ def test_all_symbols_reexported(self):
         assert _U is UTF8MB4String
         assert _dc is decode_content
         assert _dg is decode_grounding_metadata
+
+
+def _build_dialect(name: str) -> SimpleNamespace:
+    return SimpleNamespace(name=name, type_descriptor=lambda t: t)
+
+
+@pytest.fixture(autouse=True)
+def reset_hook_registry() -> Iterator[None]:
+    """Reset global hook registry around each test."""
+    old_load = deepcopy(TypeDecoratorHookRegistry._load_dialect_hooks)
+    old_bind = deepcopy(TypeDecoratorHookRegistry._process_bind_hooks)
+    old_result = deepcopy(TypeDecoratorHookRegistry._process_result_hooks)
+    try:
+        TypeDecoratorHookRegistry._load_dialect_hooks = {}
+        TypeDecoratorHookRegistry._process_bind_hooks = {}
+        TypeDecoratorHookRegistry._process_result_hooks = {}
+        yield
+    finally:
+        TypeDecoratorHookRegistry._load_dialect_hooks = old_load
+        TypeDecoratorHookRegistry._process_bind_hooks = old_bind
+        TypeDecoratorHookRegistry._process_result_hooks = old_result
+
+
+def test_dynamic_json_all_hooks_can_override() -> None:
+    """DynamicJSON supports load/bind/result hook overrides."""
+    json_type = DynamicJSON()
+    sqlite = _build_dialect("sqlite")
+    load_marker = object()
+
+    def load_hook(decorator, dialect):  # noqa: ANN001
+        assert decorator is json_type
+        assert dialect.name == "sqlite"
+        return load_marker
+
+    def bind_hook(decorator, value, dialect):  # noqa: ANN001
+        assert decorator is json_type
+        assert dialect.name == "sqlite"
+        return f"hooked-bind-{value}"
+
+    def result_hook(decorator, value, dialect):  # noqa: ANN001
+        assert decorator is json_type
+        assert dialect.name == "sqlite"
+        return {"hooked_result": value}
+
+    GLOBAL_TYPE_DECORATOR_HOOK_REGISTRY.register_load_dialect_hook(DynamicJSON, load_hook)
+    GLOBAL_TYPE_DECORATOR_HOOK_REGISTRY.register_process_bind_hook(DynamicJSON, bind_hook)
+    GLOBAL_TYPE_DECORATOR_HOOK_REGISTRY.register_process_result_hook(DynamicJSON, result_hook)
+
+    assert json_type.load_dialect_impl(sqlite) is load_marker
+    assert json_type.process_bind_param({"k": "v"}, sqlite) == "hooked-bind-{'k': 'v'}"
+    assert json_type.process_result_value('{"k":"v"}', sqlite) == {"hooked_result": '{"k":"v"}'}
+
+
+def test_dynamic_json_hook_none_falls_back_to_default_logic() -> None:
+    """Hook skips when returning None."""
+    json_type = DynamicJSON()
+    sqlite = _build_dialect("sqlite")
+
+    GLOBAL_TYPE_DECORATOR_HOOK_REGISTRY.register_process_bind_hook(DynamicJSON, lambda _d, _v, _dialect: None)
+    GLOBAL_TYPE_DECORATOR_HOOK_REGISTRY.register_process_result_hook(DynamicJSON, lambda _d, _v, _dialect: None)
+
+    encoded = json_type.process_bind_param({"a": 1}, sqlite)
+    decoded = json_type.process_result_value(encoded, sqlite)
+
+    assert encoded == '{"a": 1}'
+    assert decoded == {"a": 1}
+
+
+def test_precise_timestamp_supports_all_three_hooks() -> None:
+    """PreciseTimestamp supports load/bind/result hooks."""
+    ts_type = PreciseTimestamp()
+    sqlite = _build_dialect("sqlite")
+    load_marker = object()
+
+    GLOBAL_TYPE_DECORATOR_HOOK_REGISTRY.register_load_dialect_hook(PreciseTimestamp, lambda _d, _dialect: load_marker)
+    GLOBAL_TYPE_DECORATOR_HOOK_REGISTRY.register_process_bind_hook(PreciseTimestamp,
+                                                                   lambda _d, value, _dialect: f"bind-{value}")
+    GLOBAL_TYPE_DECORATOR_HOOK_REGISTRY.register_process_result_hook(PreciseTimestamp,
+                                                                     lambda _d, value, _dialect: f"result-{value}")
+
+    assert ts_type.load_dialect_impl(sqlite) is load_marker
+    assert ts_type.process_bind_param("2026-01-01", sqlite) == "bind-2026-01-01"
+    assert ts_type.process_result_value("2026-01-01", sqlite) == "result-2026-01-01"
+
+
+def test_utf8mb4_string_supports_all_three_hooks() -> None:
+    """UTF8MB4String supports load/bind/result hooks."""
+    str_type = UTF8MB4String(length=128)
+    sqlite = _build_dialect("sqlite")
+    load_marker = object()
+
+    GLOBAL_TYPE_DECORATOR_HOOK_REGISTRY.register_load_dialect_hook(UTF8MB4String, lambda _d, _dialect: load_marker)
+    GLOBAL_TYPE_DECORATOR_HOOK_REGISTRY.register_process_bind_hook(UTF8MB4String,
+                                                                   lambda _d, value, _dialect: f"bind-{value}")
+    GLOBAL_TYPE_DECORATOR_HOOK_REGISTRY.register_process_result_hook(UTF8MB4String,
+                                                                     lambda _d, value, _dialect: f"result-{value}")
+
+    assert str_type.load_dialect_impl(sqlite) is load_marker
+    assert str_type.process_bind_param("hello", sqlite) == "bind-hello"
+    assert str_type.process_result_value("hello", sqlite) == "result-hello"
+
+
+def test_dynamic_pickle_hook_order_uses_first_override_result() -> None:
+    """First non-None hook result wins for DynamicPickleType."""
+    pickle_type = DynamicPickleType()
+    sqlite = _build_dialect("sqlite")
+    calls: list[str] = []
+
+    def hook_a(_d, _v, _dialect):  # noqa: ANN001
+        calls.append("a")
+        return None
+
+    def hook_b(_d, _v, _dialect):  # noqa: ANN001
+        calls.append("b")
+        return "override"
+
+    def hook_c(_d, _v, _dialect):  # noqa: ANN001
+        calls.append("c")
+        return "should-not-run"
+
+    GLOBAL_TYPE_DECORATOR_HOOK_REGISTRY.register_process_bind_hook(DynamicPickleType, hook_a)
+    GLOBAL_TYPE_DECORATOR_HOOK_REGISTRY.register_process_bind_hook(DynamicPickleType, hook_b)
+    GLOBAL_TYPE_DECORATOR_HOOK_REGISTRY.register_process_bind_hook(DynamicPickleType, hook_c)
+
+    assert pickle_type.process_bind_param({"k": "v"}, sqlite) == "override"
+    assert calls == ["a", "b"]

trpc_agent_sdk/agents/core/_llm_processor.py

@@ -79,20 +79,36 @@ async def call_llm_async(self,
                 return
 
             # Step 2: Call the model and process responses with telemetry tracing.
-            # Avoid start_as_current_span in async generators because cancellation can
-            # close the generator from a different context, which may trigger
-            # "Token was created in a different Context" during detach.
-            span = tracer.start_span('call_llm')
-            try:
+            with tracer.start_as_current_span('call_llm'):
                 event_id = Event.new_id()
                 final_llm_response = None
+                aggregated_raw_function_calls: list[dict] = []
+                aggregated_event_function_calls: list[dict] = []
+
+                def _append_function_calls(target: list[dict], calls: list) -> None:
+                    for call in calls or []:
+                        # Keep only telemetry-safe fields for trace attributes.
+                        target.append({
+                            "id": getattr(call, "id", None),
+                            "name": getattr(call, "name", None),
+                            "args": getattr(call, "args", None),
+                        })
 
                 async for llm_response in self.model.generate_async(request, stream=stream, ctx=context):
+                    # Collect raw model-level function calls from every chunk.
+                    raw_calls = []
+                    if llm_response.content and llm_response.content.parts:
+                        for part in llm_response.content.parts:
+                            if part.function_call:
+                                raw_calls.append(part.function_call)
+                    _append_function_calls(aggregated_raw_function_calls, raw_calls)
+
                     # Create Event directly from LlmResponse
                     event = self._create_event_from_response(context, event_id, llm_response)
 
                     # Process response with planner if available
                     event = self._process_planning_response(event, context)
+                    _append_function_calls(aggregated_event_function_calls, event.get_function_calls())
 
                     # Track the latest non-partial response for tracing
                     # In streaming mode, only the final (non-partial) response
@@ -111,9 +127,9 @@ async def call_llm_async(self,
                                    event_id,
                                    request,
                                    final_llm_response,
-                                   instruction_metadata=instruction_metadata)
-            finally:
-                span.end()
+                                   instruction_metadata=instruction_metadata,
+                                   stream_function_calls_raw=aggregated_raw_function_calls,
+                                   stream_function_calls_post_planner=aggregated_event_function_calls)
 
         except Exception as ex:  # pylint: disable=broad-except
             logger.error("LLM call failed for agent %s: %s", author, ex)

trpc_agent_sdk/agents/core/_tools_processor.py

@@ -221,7 +221,10 @@ async def execute_tools_async(
                     state_end.update(merged_event.actions.state_delta)
 
                 # Add merged tool call tracing
-                with tracer.start_as_current_span("execute_tool (merged)"):
+                with tracer.start_as_current_span(
+                        "execute_tool (merged)",
+                        attributes={"gen_ai.operation.name": "execute_tool"},
+                ):
                     trace_merged_tool_calls(
                         response_event_id=merged_event.id,
                         function_response_event=merged_event,
@@ -285,8 +288,17 @@ async def _execute_tool(self, tool_call: FunctionCall, tool: BaseTool, context:
             Event: The result of tool execution
         """
 
-        # Wrap tool execution in telemetry span
-        with tracer.start_as_current_span(f"execute_tool {tool.name}"):
+        # Wrap tool execution in telemetry span.
+        # Pass initial attributes so the Galileo sampler can make a sampling
+        # decision at span-creation time (before trace_tool_call sets them).
+        with tracer.start_as_current_span(
+                f"execute_tool {tool.name}",
+                attributes={
+                    "gen_ai.operation.name": "execute_tool",
+                    "gen_ai.tool.name": tool.name,
+                    "gen_ai.tool.description": tool.description or "",
+                },
+        ):
             # Capture state before tool execution
             state_begin = dict(context.session.state)
 

trpc_agent_sdk/filter/_run_filter.py

@@ -51,8 +51,7 @@ async def run_stream_filters(ctx: AgentContext, req: Any, filters: list[BaseFilt
     if handle is None:
         raise ValueError("handle must be provided")
     current_handle = partial(stream_handler_adapter, handle)
-    filters.reverse()
-    for filter in filters:
+    for filter in reversed(filters):
         current_handle = partial(filter.run_stream, ctx, req, current_handle)
     async for event in current_handle():
         yield event.rsp
@@ -95,9 +94,8 @@ async def run_filters(ctx: AgentContext, req: Any, filters: list[BaseFilter],
     """
     if handle is None:
         raise ValueError("handle must be provided")
-    filters.reverse()
     current_handle = partial(coroutine_handler_adapter, handle)
-    for filter in filters:
+    for filter in reversed(filters):
         current_handle = partial(filter.run, ctx, req, current_handle)
     rsp, error = await current_handle()
     if error:

trpc_agent_sdk/storage/__init__.py

@@ -30,6 +30,8 @@
 from ._sql_common import decode_content
 from ._sql_common import decode_grounding_metadata
 from ._sql_common import decode_usage_metadata
+from ._sql_common import GLOBAL_TYPE_DECORATOR_HOOK_REGISTRY
+from ._sql_common import TypeDecoratorHookRegistry
 
 __all__ = [
     "EXPIRE_METHOD",
@@ -57,4 +59,6 @@
     "decode_content",
     "decode_grounding_metadata",
     "decode_usage_metadata",
+    "GLOBAL_TYPE_DECORATOR_HOOK_REGISTRY",
+    "TypeDecoratorHookRegistry",
 ]