-- Phase 3.2: 放宽 market_apps.agent_api_key 容量以容纳 Fernet 密文
SET @db = DATABASE();
SET @tbl = 'market_apps';
SET @col = 'agent_api_key';
SELECT COLUMN_TYPE INTO @ctype FROM information_schema.COLUMNS WHERE TABLE_SCHEMA=@db AND TABLE_NAME=@tbl AND COLUMN_NAME=@col;
SET @sql = IF(@ctype IS NULL OR @ctype NOT LIKE '%text%',
  CONCAT('ALTER TABLE ', @tbl, ' MODIFY COLUMN ', @col, ' TEXT NULL COMMENT \'Agent 接入 API Key(3.2 起 Fernet 加密存储)\''),
  'SELECT 1');
PREPARE stmt FROM @sql;
EXECUTE stmt;
DEALLOCATE PREPARE stmt;