Salesforce Reference Architecture Overview Production-ready architecture patterns for Salesforce integrations, covering Node.js integration apps, SFDX metadata projects, and event-driven sync architectures. Prerequisites - Understanding of layered architecture - jsforce and Salesforce CLI experience - TypeScript project setup - Decision on sync model (polling vs event-driven) Project Structure Node.js Integration App SFDX Metadata Project (Apex, LWC, Triggers) Integration Patterns Pattern A: Polling-Based Sync Pattern B: Event-Driven Sync (Recommended) Pattern C: Bi-Directional Sync (Heroku C…