v0.3.0 — MCP engine parity + comprehensive perfSummary report

chore: bump version to v0.1.1 [skip ci]

ohmyperf v0.1.0 — first public release on @ohmyperf scope

15 @ohmyperf/* packages on npm:
  @ohmyperf/cli + @ohmyperf/mcp-server (2 binaries)
  @ohmyperf/core, @ohmyperf/driver-playwright, @ohmyperf/plugins-builtin
  @ohmyperf/design-tokens, @ohmyperf/viewer, @ohmyperf/share-client
  @ohmyperf/trace-utils
  @ohmyperf/reporter-{json,html,deck,markdown,junit,csv}

Highlights:
- Real-machine, real-Chromium measurement on user hardware
- ~99% iframe metric coverage (CDP Target.setAutoAttach)
- Mann-Whitney U significance test
- Pre-flight CPU calibration
- Self-contained HTML + deck artifacts
- 4 brand styles
- MCP server: 12 tools + 7 prompts
- Apache-2.0 with NOTICE per package

Install:
  npm install -g @ohmyperf/cli
  npm install -g @ohmyperf/mcp-server

Note: interim @nhonh/* publish was unpublished within npm's 72h window.
See CHANGELOG.md scope-decision-history footnote.