chore(main): release 0.0.12

[github-actions]

🤖 I have created a release beep boop

0.0.12 (2026-05-08)

Features

• core: apply [rules.<id>].severity overrides at engine layer (#278) (b15ba41)

Bug Fixes

• cdp,cli,mcp: chrome detection, log noise, error chain, explain path leak, watch flag, echo response (#280) (0ca2744)
• ci,docs: repair install path and attestation references (#279) (51ea69c)

Documentation

• add versioning policy, security link, contributing link, dedup MCP agent gotchas (#281) (dfbc922)
• cli: npm-first README + flag wrong-arch Windows ARM64 mapping (#277) (6491b62)
• readme: demo, Intel Mac note, badges, fix walking-skeleton ref (#282) (f417055)
• remove stale blog, complete config reference, sweep dead PRD refs (#276) (04440da)
• security: document actual SLSA attestation verification path (#285) (a5626c3)
• theme: bump sidebar link min-height to 24px to satisfy a11y/touch-target (#284) (9a03f97)

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