0.5.0-beta.0 dev cut. The bump from beta.0 → beta.1 happens automatically inside pnpm release:beta (via pnpm version prerelease --preid beta), so beta.0 was never published to npm — beta.1 is the first tagged release of the skill-first architecture.
All the heavy lifting (command→skill for 5 skills, 138-entry safe-file-delete for legacy commands + iFlow + multi-agent + Ralph Loop, breaking-change --migrate gate, per-entry reason field in the confirm prompt, worktree backup exclusion, build clean step) is defined in the 0.5.0-beta.0 manifest and applies when upgrading from 0.4.x.
See the v0.5.0-beta.0 changelog for the full migration story.
Migration
If upgrading from 0.4.x: runtrellis update --migrate. The breaking-change gate requires the flag explicitly — without it, trellis update exits 1 with guidance.
Install: npm install -g @mindfoldhq/trellis@beta