forked from 1b-agent/opencadstudio-upstream
- ARCHITECTURE.md: add 'Flow: from the single source of truth to a committed change' mermaid diagram (spec/entities.toml + layouts.json -> codegen -> facade -> wire -> transport -> executor -> host backend/Scene); fix stale claims (hand-maintained enums not 'GENERATED'; accuracy-first mass properties + Scene cold-tess budget; with_body borrow; tab auth); add Review round 3 change-log; update Known deviations. - README.md: Core guarantees now include Loft/query caps, accurate mass properties (Scene budget persists + graceful fallback), and tab authorization. - IMPLEMENTATION.md: accuracy paragraph (Scene budget + fallback) + current test counts (623 host lib + 8 crate + 3 consistency + 34 plugin_api). - Regenerate api_reference.md (26 sections) + binding_schema.json (28 ops / 12 queries / 14 handles / 19 families). - 623 host lib + 8 crate + 3 consistency + 34 plugin_api green.