Ajustes na documentação e remanejamento dos folders

apps/agent_gateway/app/config/governance_loader.py

@@ -0,0 +1,14 @@
+from __future__ import annotations
+
+import os
+from pathlib import Path
+from typing import Any
+
+import yaml
+
+
+def load_gateway_governance_config(path: str | None = None) -> dict[str, Any]:
+    config_path = Path(path or os.getenv("AGENT_GATEWAY_GOVERNANCE_CONFIG", "config/gateway_governance.yaml"))
+    if not config_path.exists():
+        return {}
+    return yaml.safe_load(config_path.read_text(encoding="utf-8")) or {}