refactor: share streaming tool event normalization

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

app/http/tool_bridge.py

@@ -92,6 +92,23 @@ def _allowed_tool_events(
     return out
 
 
+def _allowed_stream_tool_event(
+    event: Any,
+    *,
+    tool_config: dict[str, Any] | None,
+    forced_tool_name: str | None = None,
+) -> dict[str, Any] | None:
+    if not isinstance(event, dict) or event.get("type") != "tool":
+        return None
+    tool = event.get("tool")
+    if not isinstance(tool, dict):
+        return None
+    tool_name = str(tool.get("name") or "")
+    if not _tool_event_allowed(tool_name, tool_config, forced_tool_name=forced_tool_name):
+        return None
+    return tool
+
+
 def _openai_forced_tool_name(tool_choice: Any) -> str | None:
     if not isinstance(tool_choice, dict):
         return None