2.1.0

What's Changed

• docs: restore SECURITY.md, lost in the v2 tree swap by @cliffhall in #1843
• fix(core): mirror SEP-2243 x-mcp-header args to Mcp-Param-* on tools/call by @SamMorrowDrums in #1847
• docs: post-swap branch model, PR policy, milestone rule, and Copilot review instructions by @cliffhall in #1866
• docs: converge README Test servers section with main's restructure by @cliffhall in #1880
• docs: rename CONTRIBUTORS.md to CONTRIBUTING.md so GitHub surfaces the policy by @cliffhall in #1884
• docs: unpin the branch-pinned CONTRIBUTORS.md links in the PR template by @cliffhall in #1879
• docs: restore SECURITY.md on v2/main, so the next tree swap can't drop it by @cliffhall in #1867
• ci: restore the Claude Code workflow and .mcp.json, lost in the v2 tree swap by @cliffhall in #1869
• chore: restore repo files dropped by the v2 tree swap by @cliffhall in #1871
• chore(deps): bring main's rc-series bumps to v2/main (@hono/node-server 2.x, vite 8.1.5) by @cliffhall in #1881
• fix(scripts): await the pack:verify web child's exit before removing its work dir by @cliffhall in #1895
• docs: add Incoming to both boards, adopt the v2 Priority field, and document the triage rubric by @cliffhall in #1892
• docs: replace the markdown bug template with GitHub issue forms by @cliffhall in #1894
• chore(deps): untangle the vitest/Storybook exact-pin knot to clear GHSA-p63j-vcc4-9vmv by @cliffhall in #1899
• chore(deps): migrate to eslint 10 to clear the brace-expansion DoS advisory by @cliffhall in #1900
• chore: merge v2/main for the v2.1.0 milestone release by @cliffhall in #1903

New Contributors

• @SamMorrowDrums made their first contribution in #1847

Full Changelog: 2.0.0...2.1.0