fix: add sessions table to Drizzle schema + auto-create at startup

artifacts/api-server/src/index.ts

@@ -18,6 +18,26 @@ if (Number.isNaN(port) || port <= 0) {
   throw new Error(`Invalid PORT value: "${rawPort}"`);
 }
 
+async function ensureSessionsTable(): Promise<void> {
+  try {
+    const exists = await db.execute(
+      sql`SELECT EXISTS (SELECT FROM information_schema.tables WHERE table_name = 'sessions')`,
+    );
+    const rows = exists.rows as [{ exists: boolean }];
+    if (rows[0]?.exists) return;
+
+    await db.execute(
+      sql`CREATE TABLE "sessions" ("sid" varchar NOT NULL, "sess" json NOT NULL, "expire" timestamp(6) NOT NULL)`,
+    );
+    await db.execute(
+      sql`ALTER TABLE "sessions" ADD PRIMARY KEY ("sid")`,
+    );
+    logger.info("Sessions table created");
+  } catch (err) {
+    logger.error({ err }, "Failed to ensure sessions table");
+  }
+}
+
 async function seedAdminUser(): Promise<void> {
   try {
     const [row] = await db.select({ count: sql<number>`count(*)::int` }).from(usersTable);
@@ -49,5 +69,6 @@ app.listen(port, (err) => {
   }
 
   logger.info({ port }, "Server listening");
+  ensureSessionsTable();
   seedAdminUser();
 });