Phase 2 of Memo 088. Mermaid fullscreen lightbox (mermaid-zoom.mjs + CSS + Head wire); search fixes (.is-active outline highlight, remove duplicate Cmd-K handler, mount empty-state on #starlight__search); Footer 3-zone alignment; OParl badge in Connects-to strip. Live-verified via Playwright.
Phase 2 of Memo 088. Mermaid fullscreen lightbox (mermaid-zoom.mjs + CSS + Head wire); search fixes (.is-active outline highlight, remove duplicate Cmd-K handler, mount empty-state on #starlight__search); Footer 3-zone alignment; OParl badge in Connects-to strip. Live-verified via Playwright.