feat: content generation UI, test script, and API docs

src/workers/contentGenerator.ts

@@ -1,6 +1,6 @@
 // BullMQ Worker: Content Generator
 import { Worker } from 'bullmq';
-import { pool } from '../lib/db/db';
+import { pool } from '../lib/db';
 import { redisConnection } from '../lib/queue/config';
 import { SpintaxResolver, expandVariables, generateCartesianProduct } from '../lib/spintax/resolver';
 import crypto from 'crypto';