Nuxt's dev vite-node IPC uses a unix socket under $TMPDIR. macOS's default /var/folders/… tmp dir pushes the path to ~110 chars, past the ~104-char sun_path limit, so every request 500s with 'connect EINVAL'. Point $TMPDIR at /tmp on darwin (guarded; other platforms untouched) before the builder generates the socket path.
Adds a hand-authored .vue doc-sections system (intro + guide pages per package, #docs/sections map, sidebar Guide group, client-side TOC), registers @robonen/crdt, renders demos client-only, base64-encodes the server-metadata virtual, plus the MCP docs endpoint and responsive/overflow fixes across pages and tables.
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