Vehicle ETL Process fixed. Admin settings fixed.

data/vehicle-etl/README.md

@@ -0,0 +1,41 @@
+Step 1: Fetch Data from VehAPI
+
+  cd data/vehicle-etl
+  python3 vehapi_fetch_snapshot.py --min-year 2015 --max-year 2025
+
+  Options:
+  | Flag                | Default           | Description            |
+  |---------------------|-------------------|------------------------|
+  | --min-year          | 2015              | Start year             |
+  | --max-year          | 2022              | End year               |
+  | --rate-per-min      | 55                | API rate limit         |
+  | --snapshot-dir      | snapshots/<today> | Output directory       |
+  | --no-response-cache | false             | Disable resume caching |
+
+  Output: Creates snapshots/<date>/snapshot.sqlite
+
+  ---
+  Step 2: Generate SQL Files
+
+  python3 etl_generate_sql.py --snapshot-path snapshots/<date>/snapshot.sqlite
+
+  Output: Creates output/01_engines.sql, output/02_transmissions.sql, output/03_vehicle_options.sql
+
+  ---
+  Step 3: Import to PostgreSQL
+
+  ./import_data.sh
+
+  Requires: mvp-postgres container running, SQL files in output/
+
+  ---
+  Quick Test (single year)
+
+  python3 vehapi_fetch_snapshot.py --min-year 2020 --max-year 2020
+
+  # Full ETL workflow
+  ./reset_database.sh                               # Clear old data
+  python3 vehapi_fetch_snapshot.py                  # Fetch from API
+  python3 etl_generate_sql.py                       # Generate SQL
+  ./import_data.sh                                  # Import to Postgres
+  docker compose exec mvp-redis redis-cli FLUSHALL  # Flush Redis Cache for front end