v0.1.0-alpha.3 — OSS launch sweep

Pre-alpha OSS launch. CP-5 closed (stanzas + headless exit 7). Docs aligned with code. Minimal CI on push.

Install (macOS x86_64): verify SHA256SUMS.txt, chmod +x, move to PATH.

Not audited. Format may change before 1.0.

This release

• vault stanzas list|add|remove (C21)
• Headless vault get refuses with exit 7 when no clipboard (C27)
• Constraint index honesty; README release-first install
• Free-tier CI: fmt + clippy + tests

CHANGELOG