v0.64.0

What's Changed

• feat(engine): per-document style overrides by @bdarcus in #876
• feat(engine): wire name-memory through session API by @bdarcus in #878
• docs(server): add session API docs, fix examples by @bdarcus in #879
• docs(tooling): formalize repo-local harness by @bdarcus in #880
• fix(engine): pass citation mode through preview_citation by @bdarcus in #881
• fix(engine): format bibliography entry html by @bdarcus in #882
• fix(engine): compose typst strong markup by @bdarcus in #883
• chore: release v0.64.0 by @bdarcus in #877

Full Changelog: v0.63.0...v0.64.0