45b7b91b04
Replace static require('backend/src/...') with NODE_ENV-conditional
requires in compiled plugin JS and TypeScript sources.
In production Docker /app/backend/src/ does not exist — only /app/dist/.
Fixes MODULE_NOT_FOUND errors on UnifiedStorageProvider, ext-api,
leads, nanobana, and uploads plugins.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>