Update config.py

Author: beacoder

python_agent_harness/config.py

@@ -1,7 +1,4 @@
-"""Configuration defaults for python-agent-harness.
-
-Mirrors the defcustom defaults of the Emacs gptel-agent-harness.
-"""
+"""Configuration defaults for python-agent-harness."""
 
 from __future__ import annotations
 
@@ -131,6 +128,14 @@
 API_RETRY_BASE_DELAY = 1.0  # base backoff (seconds), doubled per attempt
 API_RETRY_MAX_DELAY = 30.0  # per-attempt backoff cap (seconds)
 
+# HTTP status codes that should trigger auth-refresh (key re-read from
+# config/env) instead of being treated as transient retryable errors.
+# 401 is always included (standard "Unauthorized").  Some API gateways
+# return 502 or other 5xx codes when the backend auth token has expired
+# rather than a proper 401 — add those here so the client refreshes the
+# key instead of pointlessly retrying the same expired credential.
+AUTH_REFRESH_STATUS_CODES: list[int] = [401, 502]
+
 # ---- tool execution ----------------------------------------------------------
 SUBAGENT_MAX_ROUNDS = 60
 # Tool execution mirrors gptel's `gptel--handle-tool-use': synchronous