fix drone and sqlc generation

README.md

@@ -100,7 +100,7 @@ This is where `templ` files live. Anything you want to render to the user goes h
 ### DB
 
 This is the directory that `sqlc` generates to. Update `queries.sql` to build 
-your database operations.
+your database operations. The schema for `sqlc` lives in `db/schema.sql`.
 
 Once `queries.sql` is updated, run `make generate-sql` to update the generated models
 
@@ -133,6 +133,12 @@ DB_DRIVER=postgres DB_URL=postgres://user:pass@localhost:5432/vctp?sslmode=disab
 PostgreSQL migrations live in `db/migrations_postgres`, while SQLite migrations remain in
 `db/migrations`.
 
+#### Snapshot Retention
+Hourly and daily snapshot table retention can be configured with environment variables:
+
+- `HOURLY_SNAPSHOT_MAX_AGE_DAYS` (default: 60)
+- `DAILY_SNAPSHOT_MAX_AGE_MONTHS` (default: 12)
+
 ### Dist
 
 This is where your assets live. Any Javascript, images, or styling needs to go in the