chore: rename ZH hero title to Claude 眼中的老己

fix: restore correct title hierarchy with CSS font-size overrides

style: swap hero name/text so main title is largest

style: widen hero container instead of shrinking font

style: prevent hero title from wrapping to two lines

chore: rename hero title to Claude Reviews Claude

chore: rename site title to Claude Reviews Claude

style: match GitHub content width exactly at 1012px

revert: restore original SVG sizing to respect manual width tuning

style: force SVG images to fill content width on desktop

style: enable horizontal scroll for tables on mobile

feat: add language toggle + read-online banner to all remaining chapters

fix: repair all language toggle links for VitePress routing

style: widen content area to 960px to match GitHub rendering width

fix: repair broken chapter links in zh-CN/overview.md