feat: backend servis iskeletini ve yönetim uçlarını ekle

backend/app/tools/files.py

@@ -0,0 +1,21 @@
+from pathlib import Path
+from typing import Any
+
+from app.tools.base import Tool
+
+
+class FilesTool(Tool):
+    name = "files"
+    description = "Read and write files within allowed paths."
+
+    async def run(self, payload: dict[str, Any]) -> dict[str, Any]:
+        action = str(payload.get("action", "read")).strip()
+        path = Path(str(payload.get("path", "")).strip()).expanduser()
+        return {
+            "tool": self.name,
+            "status": "stub",
+            "action": action,
+            "path": str(path),
+            "message": "File integration is not wired yet.",
+        }
+