Add RIVERS_PATH and BUILDINGS_PATH to execute_python_code docstring so agent knows about them

Update knowledge graph tool docstrings to explicitly instruct the agent to use them for catchments

Fix execute_python_code docstring to use relative Hugging Face LAKES_PATH instead of hardcoded local paths

Print exception traceback to stderr in tools.py to expose hidden errors

Updated SMP model

Fix model path to point to lake_segmentation/best_model.pth for huggingface dataset download

Update lake segmentation model to best_model_new.pth and fix inference paths

Removed invalid timeout argument

Added timeout to LLM API

Fix hardcoded GEE project

Fix geemap dependency and GEE auth hang

Switch LLM to exactly Qwen3-4B-Instruct-2507

Downgrade LLM to Qwen2.5-7B to bypass 402 API error

Deploy safely without secrets