Refactor Falukant certificate management: Consolidated certificate logic into the FalukantFamilyWorker's daily processing, removing the separate FalukantCertificateWorker. Updated SQL queries to include app_user_id and enhanced documentation for clarity on certificate scoring and daily recalculation logic.

src/worker/sql.rs

@@ -3135,6 +3135,7 @@ pub const QUERY_INSERT_CHILD_RELATION_LOVER: &str = r#"
 pub const QUERY_GET_PRODUCTION_CERTIFICATE_INPUT_ROWS: &str = r#"
     SELECT DISTINCT ON (fu.id)
            fu.id AS falukant_user_id,
+           COALESCE(fu.user_id, fu.id)::int AS app_user_id,
            COALESCE(fu.certificate, 1)::int AS certificate,
            COALESCE(fu.money, 0)::float8 AS money,
            c.id AS character_id,
@@ -3179,7 +3180,8 @@ pub const QUERY_GET_PRODUCTION_CERTIFICATE_INPUT_ROWS: &str = r#"
 
 pub const QUERY_UPDATE_FALUKANT_USER_CERTIFICATE: &str = r#"
     UPDATE falukant_data.falukant_user
-       SET certificate = $1::int
+       SET certificate = $1::int,
+           updated_at = NOW()
      WHERE id = $2::int;
 "#;