Remove automatic session table creation and require manual setup

Removes `createTableIfMissing: true` from the session store configuration in `server/index.ts`, as it fails in production builds. A comment is added to instruct users to manually create the session table in their production database.

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Author: marcselman

server/index.ts

@@ -31,7 +31,12 @@ app.use(
   session({
     store: new PgStore({
       conString: process.env.DATABASE_URL,
-      createTableIfMissing: true,
+      // Note: Session table must be created manually in production.
+      // Run this SQL: CREATE TABLE IF NOT EXISTS "session" (
+      //   "sid" varchar NOT NULL PRIMARY KEY,
+      //   "sess" json NOT NULL,
+      //   "expire" timestamp(6) NOT NULL
+      // ); CREATE INDEX IF NOT EXISTS "IDX_session_expire" ON "session" ("expire");
     }),
     secret: process.env.SESSION_SECRET,
     resave: false,