Add Environment Variable

Adds a new environment variable with Zod validation. All environment variables must be defined in src/env.ts and documented in .env.example.

Quick Reference

Files to modify:

1. src/env.ts - Add to schema and mapping
2. .env.example - Document the variable
3. tests/env.test.ts - Add validation tests

Instructions

Step 1: Add to Schema in src/env.ts

Add the variable to the envSchema object: