Full project plan across 8 sub-projects (homeai-infra, homeai-llm, homeai-voice, homeai-agent, homeai-character, homeai-esp32, homeai-visual, homeai-images). Includes per-project PLAN.md files, top-level PROJECT_PLAN.md, and master TODO.md. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>