updates

bg_agent/agent.py

@@ -108,9 +108,10 @@ def send_to_openai(state: State):
         logging.info("Send requested but input buffer is empty.")
         return
 
-    api_key = os.environ.get("OPENAI_API_KEY") or os.environ.get("BG_AGENT_OPENAI_API_KEY")
+    # Prefer config; fallback to env vars for convenience
+    api_key = state.cfg.api_key or os.environ.get("OPENAI_API_KEY") or os.environ.get("BG_AGENT_OPENAI_API_KEY")
     if not api_key:
-        logging.error("OPENAI_API_KEY not set. Cannot send.")
+        logging.error("No API key configured. Set in config.py or OPENAI_API_KEY.")
         return
 
     # Lazy import to keep startup quick
@@ -120,7 +121,8 @@ def send_to_openai(state: State):
         logging.exception(f"OpenAI SDK not available: {e}")
         return
 
-    client = OpenAI(api_key=api_key)
+    base = state.cfg.endpoint_base or "https://api.openai.com/v1"
+    client = OpenAI(api_key=api_key, base_url=base)
 
     # Build chat message with multiple images
     content_items = [{"type": "text", "text": state.cfg.prompt}]