implement better-auth auth with postgres and route protection

lib/server/store.ts

@@ -21,13 +21,7 @@ const STORE_PATH = path.join(DATA_DIR, 'store.json');
 
 let writeQueue = Promise.resolve();
 
-function nowIso() {
-  return new Date().toISOString();
-}
-
 function createDefaultStore(): DataStore {
-  const now = nowIso();
-
   return {
     counters: {
       watchlist: 0,
@@ -39,19 +33,7 @@ function createDefaultStore(): DataStore {
     holdings: [],
     filings: [],
     tasks: [],
-    insights: [
-      {
-        id: 1,
-        user_id: 1,
-        provider: 'local-bootstrap',
-        model: 'zeroclaw',
-        content: [
-          'System initialized in local-first mode.',
-          'Add holdings and sync filings to produce a live AI brief via OpenClaw.'
-        ].join('\n'),
-        created_at: now
-      }
-    ]
+    insights: []
   };
 }