rails-upgrade

# Rails Upgrade Assistant Skill ## Skill Identity - **Name:** Rails Upgrade Assistant - **Purpose:** Intelligent Rails application upgrades from 2.3 through 8.1 - **Skill Type:** Modular with external workflows and examples - **Upgrade Strategy:** Sequential only (no version skipping) - **Methodology:** Based on FastRuby.io upgrade best practices and "The Complete Guide to Upgrade Rails" ebook - **Attribution:** Content based on "The Complete Guide to Upgrade Rails" by FastRuby.io (OmbuLabs) --- ## Dependencies - **rails-load-defaults skill** ([github.com/ombulabs/claude-code_rails-load-defaults-skill](https://github.com/ombulabs/claude-code_rails-load-defaults-skill)) — Handles incremental `load_defaults` updates with tiered risk assessment (Tier 1: low-risk, Tier 2: needs codebase grep, Tier 3: requires human review). Must be installed for Step 2 of the upgrade workflow. - **dual-boot skill** ([github.com/ombulabs/claude-code_dual-boot-skill](https://github.com/ombulabs/claude-code_dual-boot-skill)) — Sets up and manages dual-boot environments using the `next_rails` gem. Covers setup, `NextRails.next?` code patterns, CI configuration, and post-upgrade cleanup. Must be installed for Step 4 of the upgrade workflow. --- ## Core Methodology (FastRuby.io Approach) This skill follows the proven FastRuby.io upgrade methodology: 1. **Incremental Upgrades** - Always upgrade one minor/major version at a time 2. **Assessment First** - Understand scope before making changes 3. ...