fix(config): increase MAX_TOOL_CALL_DEPTH to improve tool call handling

src/config.py

@@ -6,7 +6,7 @@ from typing import Final
 
 MODEL_NAME: Final[str] = os.getenv("OLLAMA_MODEL", "qwen3")
 OLLAMA_HOST: Final[str] = os.getenv("OLLAMA_HOST", "http://localhost:11434")
-MAX_TOOL_CALL_DEPTH: Final[int] = 5
+MAX_TOOL_CALL_DEPTH: Final[int] = 15
 NUM_CTX: Final[int] = int(os.getenv("OLLAMA_NUM_CTX", "32000"))
 UPLOAD_DIR: Final[str] = os.getenv("UPLOAD_DIR", str(Path.cwd() / "uploads"))
 VM_IMAGE: Final[str] = os.getenv("VM_IMAGE", "python:3.11")