refactor: add neutral mcp tool wrapper events

tests/wf_sources_mcp/test_tool_events.py

@@ -0,0 +1,45 @@
+from __future__ import annotations
+
+from wf_sources_mcp.tool_events import (
+    ToolWrapperEvent,
+    tool_call_completed_event,
+    tool_call_started_event,
+)
+
+
+def test_tool_call_started_event_shape() -> None:
+    event = tool_call_started_event(
+        connection_id="demo.default",
+        capability_id="demo.default.echo",
+        input_payload={"message": "hello"},
+    )
+
+    assert event == ToolWrapperEvent(
+        kind="tool_call_started",
+        connection_id="demo.default",
+        capability_id="demo.default.echo",
+        payload={"input": {"message": "hello"}},
+    )
+
+
+def test_tool_call_completed_event_shape() -> None:
+    event = tool_call_completed_event(
+        connection_id="demo.default",
+        capability_id="demo.default.echo",
+        outcome="ok",
+        meta={"duration_ms": 3},
+    )
+
+    assert event.kind == "tool_call_completed"
+    assert event.connection_id == "demo.default"
+    assert event.capability_id == "demo.default.echo"
+    assert event.payload == {"outcome": "ok", "meta": {"duration_ms": 3}}
+
+
+def test_tool_event_symbols_export_from_package_root() -> None:
+    from wf_sources_mcp import ToolWrapperEvent as RootToolWrapperEvent
+    from wf_sources_mcp import tool_call_started_event as root_started
+    from wf_sources_mcp.tool_events import ToolWrapperEvent, tool_call_started_event
+
+    assert RootToolWrapperEvent is ToolWrapperEvent
+    assert root_started is tool_call_started_event