QC-05: Install dependencies and verify dev server

[DarshanCode2005]

Summary

Install dependencies and verify dev server

Milestone: M1 Foundation
Labels: setup, backend

Learn

• npm peer dependencies
• Packages: mongoose, next-auth@beta, pusher, pusher-js, stripe, openai, zustand, framer-motion, leaflet, react-leaflet, nodemailer, bcryptjs

Build

• Install all production deps from spec (no socket.io)
• Run npm run build to catch type errors
• Document versions in README if needed

Files

• package.json

Acceptance criteria

• All packages install cleanly
• Build completes (warnings OK if env missing)

Depends on

• QC-04: Configure path aliases and base layouts #5 (QC-04)