versioning-constitutions
Use when architectural patterns evolve, tech stack changes, or foundational rules need updates - creates new constitution version directory, migrates/organizes content into modular files, updates symlink, and documents changes
legacy-migration
This skill should be used when migrating features from src.legacy/ to the new kernel implementation or removing legacy code after reaching feature parity. Use for systematic legacy code removal, updating FEATURE_COMPARISON.md, verifying feature equivalence, and ensuring safe code retirement.
specswarm-upgrade
Systematic compatibility analysis, migration guidance, and breaking change detection for dependency/framework upgrades. Auto-executes when user clearly wants to upgrade, update, migrate, or modernize software dependencies, frameworks, packages, or technology stacks.
