[Blocker] fix: Add missing dependencies and fix build errors

## GitHub Update **Repository:** [MKWcorp/CINTAI](https://github.com/MKWcorp/CINTAI) **Author:** MKWcorp **Date:** 11/9/2025, 7:41:54 AM **Commit:** [`d31622d`](https://github.com/MKWcorp/CINTAI/commit/d31622d9749899db205595cc70d326aeffb120eb) ### Commit Message fix: Add missing dependencies and fix build errors - Add axios, pg, @google-cloud/storage, uuid - Add @google/generative-ai for Gemini API - Add type definitions @types/pg, @types/uuid - Fix n8n route handler (remove invalid export) Build now passes successfully ✅ --- _This story was imported from historical commits._