DESIGN.md: one process with several threads (D16), three layers (D17),
HA-centric object classes (D18), injected configuration (D19). Design
decisions move from REQUIREMENTS.md to DESIGN.md.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Requirements engineering for iteration 1 is finished (D13); phase 2
(planning and design) starts.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Template stripped to the overlay platform (examples, demo UI and Frame
test package removed), renamed to FrameAssistant, and working rules for
the project recorded in CLAUDE.md.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>