加入部分消息通知入口，同步前端管理

init-db.sql

@@ -74,3 +74,16 @@ CREATE TABLE IF NOT EXISTS invite_codes (
     INDEX idx_invite_codes_code (code),
     INDEX idx_invite_codes_is_used (is_used)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+-- System config table (key-value)
+CREATE TABLE IF NOT EXISTS system_config (
+    `key` VARCHAR(64) PRIMARY KEY,
+    `value` VARCHAR(500) NOT NULL DEFAULT '',
+    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+-- 默认配置
+INSERT IGNORE INTO system_config (`key`, `value`) VALUES
+    ('webhook_url', ''),
+    ('daily_report_hour', '23'),
+    ('daily_report_minute', '30');