实现 LightOps 运维面板基础功能

migrations/0005_notifications.sql

@@ -0,0 +1,29 @@
+CREATE TABLE IF NOT EXISTS notification_channels (
+    id TEXT PRIMARY KEY,
+    name TEXT NOT NULL,
+    channel_type TEXT NOT NULL,
+    config_json TEXT NOT NULL DEFAULT '{}',
+    enabled INTEGER NOT NULL DEFAULT 1,
+    created_at TEXT NOT NULL DEFAULT (datetime('now')),
+    updated_at TEXT NOT NULL DEFAULT (datetime('now'))
+);
+
+CREATE TABLE IF NOT EXISTS notification_deliveries (
+    id TEXT PRIMARY KEY,
+    event_id TEXT NOT NULL,
+    channel TEXT NOT NULL,
+    status TEXT NOT NULL,
+    error TEXT,
+    created_at TEXT NOT NULL DEFAULT (datetime('now')),
+    FOREIGN KEY(event_id) REFERENCES alert_events(id) ON DELETE CASCADE
+);
+
+CREATE INDEX IF NOT EXISTS idx_notification_deliveries_event ON notification_deliveries(event_id);
+CREATE INDEX IF NOT EXISTS idx_notification_deliveries_status ON notification_deliveries(status, created_at DESC);
+
+INSERT OR IGNORE INTO settings(key, value) VALUES
+('notifications.webhook_enabled', 'false'),
+('notifications.webhook_url', '');
+
+INSERT OR IGNORE INTO alert_rules(id, name, metric, operator, threshold, severity) VALUES
+('builtin-ssl-expiring', 'SSL 证书即将到期', 'ssl_days_remaining', '<=', 30, 'warning');