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Project root CLAUDE.md: architecture diagram now shows MacStudio voice-bridge (cache → F5 → safe wav), hints engine LLM rewrite via LiteLLM hints-deep (MLX 32B Q4), and MLX-LM inference tier. Infrastructure section adds MacStudio (live stack) and demotes Tower to legacy. tools/macstudio/README.md gets full stack table, aliases, persistence (crontab @reboot + */2 watchdog), resilience (cache, service_down.wav), pool pre-render command, known issues. Home ~/CLAUDE.md edits applied separately (six-node, MacStudio added, Tower line trimmed).