refactor: share non-stream tool event normalization

Deduplicate allowlist filtering and forced-tool fallback parsing across the OpenAI and Anthropic non-stream bridge paths while preserving existing wire behavior.

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

app/http/tool_bridge.py

@@ -58,6 +58,40 @@ def _tool_event_allowed(
     return bool(forced_tool_name and tool_name == forced_tool_name)
 
 
+def _allowed_tool_event(
+    tool: Any,
+    *,
+    tool_config: dict[str, Any] | None,
+    forced_tool_name: str | None = None,
+) -> dict[str, Any] | None:
+    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 _allowed_tool_events(
+    tool_events: Any,
+    *,
+    tool_config: dict[str, Any] | None,
+    forced_tool_name: str | None = None,
+) -> list[dict[str, Any]]:
+    if not isinstance(tool_events, list):
+        return []
+    out: list[dict[str, Any]] = []
+    for item in tool_events:
+        allowed = _allowed_tool_event(
+            item,
+            tool_config=tool_config,
+            forced_tool_name=forced_tool_name,
+        )
+        if allowed is not None:
+            out.append(allowed)
+    return out
+
+
 def _openai_forced_tool_name(tool_choice: Any) -> str | None:
     if not isinstance(tool_choice, dict):
         return None
@@ -222,6 +256,21 @@ def _forced_tool_event_from_text(
     return event
 
 
+def _forced_tool_fallback_event(
+    text: str,
+    *,
+    forced_tool_name: str | None,
+    tools: list[dict[str, Any]] | None = None,
+) -> dict[str, Any] | None:
+    if not forced_tool_name:
+        return None
+    return _forced_tool_event_from_text(
+        text,
+        forced_tool_name,
+        single_arg_name=_tool_code_single_arg_name(tools, forced_tool_name),
+    )
+
+
 def _openai_tool_call(tool: dict[str, Any], *, forced_id: str | None = None) -> dict[str, Any]:
     return {
         "id": str(tool.get("id") or forced_id or f"call_{uuid.uuid4().hex}"),