n8n Migration Guidelines Rule of thumb: the team gates every migration PR. The fixes they ask for are predictable — work through the Pre-flight checklist before requesting review. The rest of this document explains the why for each item and covers deeper topics. --- Table of Contents - Overview - Pre-flight checklist - Common Guidance - Schema Migrations - Data Migrations - Cross-database Compatibility - Tests - General Design Guidance - After authoring --- Overview Directory Structure Migration Types | Interface | When to use | |---|---| | | Schema changes that can be cleanly undone (add/dro…