Document new GUIDE.md expectations for src-layer edits and add index
entries for models and shared types. Clarify layout usage, composable
placement, error page conventions, and model/type ownership so future
changes follow the intended layer boundaries.docs: update LLM guides for models and layout rules
Document new GUIDE.md expectations for src-layer edits and add index
entries for models and shared types. Clarify layout usage, composable
placement, error page conventions, and model/type ownership so future
changes follow the intended layer boundaries.
Refresh the development guidance to point to layered src GUIDE files
and document Phase 4 completion, including AppShell extraction and
page driver/component adoption for non-maintenance pages.docs: update LLM guides for completed architecture phase
Refresh the development guidance to point to layered src GUIDE files
and document Phase 4 completion, including AppShell extraction and
page driver/component adoption for non-maintenance pages.