Initial miaojingAI project with image resolution guard

persistence_migration.sql

@@ -0,0 +1,4 @@
+ALTER TABLE user_api_keys ADD COLUMN IF NOT EXISTS supplier_name VARCHAR(128);
+ALTER TABLE user_api_keys ADD COLUMN IF NOT EXISTS type VARCHAR(16) NOT NULL DEFAULT 'image';
+CREATE INDEX IF NOT EXISTS user_api_keys_user_active_idx ON user_api_keys (user_id, is_active);
+CREATE INDEX IF NOT EXISTS works_user_result_url_idx ON works (user_id, result_url);