实现 LightOps 运维面板基础功能

migrations/0008_task_events.sql

@@ -0,0 +1,11 @@
+CREATE TABLE IF NOT EXISTS task_events (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    task_id TEXT NOT NULL,
+    level TEXT NOT NULL,
+    message TEXT NOT NULL,
+    data_json TEXT,
+    created_at TEXT NOT NULL DEFAULT (datetime('now')),
+    FOREIGN KEY(task_id) REFERENCES tasks(id) ON DELETE CASCADE
+);
+
+CREATE INDEX IF NOT EXISTS idx_task_events_task_created ON task_events(task_id, created_at ASC);