Separate campaigns from server deployment lifecycle tracking

src/lib/server/db/schema.sql

@@ -255,3 +255,16 @@ CREATE TABLE IF NOT EXISTS server_telemetry (
     players INTEGER NOT NULL,
     received_at TEXT NOT NULL
 );
+-- Lifecycle history deliberately survives removal of the server registry row.
+CREATE TABLE IF NOT EXISTS server_deployments (
+    id TEXT PRIMARY KEY,
+    server TEXT NOT NULL,
+    action TEXT NOT NULL CHECK (action IN ('create', 'destroy')),
+    state TEXT NOT NULL,
+    stage TEXT NOT NULL,
+    started_at TEXT NOT NULL,
+    finished_at TEXT,
+    triggered_by TEXT NOT NULL,
+    error TEXT,
+    warnings TEXT NOT NULL DEFAULT '[]'
+);