feat(server/migrate): 000024 邀请奖励表 + subscriptions.source 扩 invite/task

server/migrations/sqlite/000024_invite_rewards.down.sql

@@ -0,0 +1,21 @@
+-- 还原 subscriptions.source CHECK
+CREATE TABLE subscriptions_old (
+  id INTEGER PRIMARY KEY AUTOINCREMENT,
+  user_id INTEGER NOT NULL,
+  plan_id INTEGER NOT NULL,
+  expires_at DATETIME NOT NULL,
+  source TEXT NOT NULL CHECK (source IN ('trial','code','pay')),
+  created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  FOREIGN KEY (user_id) REFERENCES users(id),
+  FOREIGN KEY (plan_id) REFERENCES plans(id)
+);
+INSERT INTO subscriptions_old SELECT id,user_id,plan_id,expires_at,source,created_at
+  FROM subscriptions WHERE source IN ('trial','code','pay');
+DROP TABLE subscriptions;
+ALTER TABLE subscriptions_old RENAME TO subscriptions;
+
+DROP TABLE reward_claims;
+DROP TABLE referrals;
+DROP INDEX ux_users_invite_code;
+ALTER TABLE users DROP COLUMN first_paid_at;
+ALTER TABLE users DROP COLUMN invite_code;