v0.9.4 bugs fixes

backend/package.json

@@ -1,6 +1,6 @@
 {
   "name": "jama-backend",
-  "version": "0.9.3",
+  "version": "0.9.4",
   "description": "TeamChat backend server",
   "main": "src/index.js",
   "scripts": {

backend/src/models/db.js

@@ -28,9 +28,14 @@ function getDb() {
     } else {
       console.warn('[DB] WARNING: DB_KEY not set — database is unencrypted');
     }
-    db.pragma('journal_mode = WAL');
+    const journalMode = db.pragma('journal_mode = WAL', { simple: true });
+    if (journalMode !== 'wal') {
+      console.warn(`[DB] WARNING: journal_mode is '${journalMode}', expected 'wal' — performance may be degraded`);
+    }
+    db.pragma('synchronous = NORMAL'); // safe with WAL, faster than FULL
+    db.pragma('cache_size = -8000');   // 8MB page cache
     db.pragma('foreign_keys = ON');
-    console.log(`[DB] Opened database at ${DB_PATH}`);
+    console.log(`[DB] Opened database at ${DB_PATH} (journal=${journalMode})`);
   }
   return db;
 }

backend/src/routes/push.js

@@ -70,12 +70,10 @@ router.post('/subscribe', authMiddleware, (req, res) => {
     return res.status(400).json({ error: 'Invalid subscription' });
   }
   const db = getDb();
-  // Use DELETE+INSERT to avoid relying on any specific UNIQUE constraint
-  // (existing DBs may have different schemas for this table)
-  const delStmt = db.prepare('DELETE FROM push_subscriptions WHERE endpoint = ?');
-  const insStmt = db.prepare('INSERT INTO push_subscriptions (user_id, endpoint, p256dh, auth) VALUES (?, ?, ?, ?)');
-  delStmt.run(endpoint);
-  insStmt.run(req.user.id, endpoint, keys.p256dh, keys.auth);
+  const device = req.device || 'desktop';
+  // Delete any existing subscription for this user+device or this endpoint, then insert fresh
+  db.prepare('DELETE FROM push_subscriptions WHERE endpoint = ? OR (user_id = ? AND device = ?)').run(endpoint, req.user.id, device);
+  db.prepare('INSERT INTO push_subscriptions (user_id, device, endpoint, p256dh, auth) VALUES (?, ?, ?, ?, ?)').run(req.user.id, device, endpoint, keys.p256dh, keys.auth);
   res.json({ success: true });
 });