feat(activity): implement P4 member self-service leave and ticket refund channel

server/src/db/mysql.ts

@@ -152,6 +152,7 @@ export async function initDatabase(): Promise<void> {
       CREATE TABLE IF NOT EXISTS finance_records (
         id VARCHAR(64) PRIMARY KEY,
         record_no VARCHAR(64) UNIQUE NOT NULL,
+        user_id INT,
         type VARCHAR(64) NOT NULL,
         amount DECIMAL(10,2) NOT NULL,
         direction VARCHAR(8) NOT NULL DEFAULT 'IN',
@@ -161,6 +162,10 @@ export async function initDatabase(): Promise<void> {
       ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
     `);
 
+    try {
+      await conn.query('ALTER TABLE finance_records ADD COLUMN user_id INT AFTER record_no');
+    } catch (_) {}
+
     // 7. 提现申请表
     await conn.query(`
       CREATE TABLE IF NOT EXISTS withdrawals (

server/src/db/repository.ts

@@ -396,7 +396,7 @@ export class MysqlRepository {
       await conn.query(`
         INSERT INTO finance_records (id, record_no, user_id, type, amount, direction, counterparty, related_id)
         VALUES (?, ?, ?, '成员退席原路退款', ?, 'IN', ?, ?)
-      `, [finId, recordNo, userId, (refundAmount / 100).toFixed(2), `组局 ${id}`, id]);
+      `, [finId, recordNo, userId, (refundAmount / 100).toFixed(2), `用户 ${userId} (组局退款)`, id]);
 
       await conn.commit();
       return {