v19.89.0

What's Changed

• feat(office): "+" menu Skills submenu (enumerate + invoke skills) [Phase 2] by @robinmordasiewicz in #2318
• fix(coding-agent): update embedded API specs to 2.1.188 by @robinmordasiewicz in #2322
• feat(office): "+" menu — add a file/folder as local context (native picker + sandbox grant) [Phase 3] by @robinmordasiewicz in #2320
• feat(office): "+" menu "Search the web" toggle — server-side web search [Phase 4] by @robinmordasiewicz in #2324
• fix(chat-ui): de-flake markdown perf test (scaling, not absolute ms) by @robinmordasiewicz in #2326
• chore: sync managed files from governance template by @robinmordasiewicz in #2329
• chore: bump version to v19.89.0 by @robinmordasiewicz in #2327

Full Changelog: v19.88.0...v19.89.0