debug(planner-agent): log api_base before each litellm call [TEMP]

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

services/planner-agent/src/llm_router.py

@@ -339,6 +339,13 @@ class LLMRouter:
         if cfg.api_base:
             kwargs["api_base"] = cfg.api_base
 
+        # DEBUG — temporary, remove after confirming OLLAMA_API_BASE routing
+        logger.info(
+            "[llm_router][DEBUG] calling litellm model=%s api_base=%s",
+            cfg.name,
+            kwargs.get("api_base", "<not set>"),
+        )
+
         try:
             # asyncio.wait_for as belt-and-suspenders — litellm timeout
             # is passed to the underlying HTTP client, but asyncio task