print-md v0.8.0-beta.2

What's Changed

• docs: add critical UX and architecture review findings by @itlackey in #97
• UX follow-ups: writer-friendly saving/versions/sync + collapsible TOC by @fwdslsh-dev in #99
• Implement critical review findings: security, test coverage, and UX fixes by @fwdslsh-dev in #98
• docs: add 0.8.0-beta.1 changelog by @itlackey in #101
• feat(viewer): resizable-gutter refinements (#103) and focus mode (#104) by @fwdslsh-dev in #109
• feat(viewer): publish preflight step in PublishWizard (#105) by @fwdslsh-dev in #110
• docs: revised UX design contract (issue #40 review) by @fwdslsh-dev in #102
• feat: theme importer (#106) + advisory perf re-render gate (#107) by @fwdslsh-dev in #111
• chore: 0.8.0 release-readiness — preflight gate fix + docs/dead-code cleanup by @fwdslsh-dev in #112
• chore(release): 0.8.0-beta.2 bump + flaky-test stabilization + zip-bomb hardening by @fwdslsh-dev in #113

Full Changelog: v0.7.1...v0.8.0-beta.2