🔍 2.3.0: Next-Level Search Experience

search: Support collection type filter, batch loading, search term highlighting on result page, and limit on displayed results (#44)

bg: Remove dark:invert, use direct dark styles to prevent Safari 18+ navigation white flash (#30)
toc: Ensure active heading scrolls into view in long TOC (218c275)
Prevent horizontal scroll on narrow screens (c4fe524)
Automatically wrap markdown tables in a scrollable div to prevent horizontal overflow (77938c9)
Prevent search loading state from sticking when debounced requests are cancelled (49372d3)
Prevent layout shift when toggling panel in Safari & hide non-HTML scrollbars sitewide (ef3b78f)
Automatically wrap markdown tables in a scrollable div to prevent horizontal overflow (c4885d9)
Rename manifest.webmanifest.js to app.webmanifest.js and support subpath deployment (bfd90d6)
Restore scrollbar visibility (excluding search, nav, and toc panels) (91f9451)

Update JSDoc in types.ts and tweak others (6155e76)
Update docs (d67200e)
Update deps, Astro 5.12.1 → 5.14.4 (enable experimental chromeDevtoolsWorkspace and failOnPrerenderConflict) (8dcee65)