Float Prediction backend

GET /health, /api/float-predictions, /api/portal/bootstrap. Configure ATHENA_OUTPUT_S3 or FLOAT_PREDICTION_S3_URI + AWS credentials for read-only S3 CSV, or use local JSON.

Portal DB routes active (BigQuery — BQ_PROJECT_ID + BQ_DATASET).

/health · /api/float-predictions · /api/portal/db-health · /api/portal/bootstrap