* feat(#2500): enrich gsd-codebase-mapper arch-focus ARCHITECTURE.md template
The codebase mapper's arch-focus template was a sparse structural inventory.
After major refactors, the research/ARCHITECTURE.md (created at /gsd-new-project
and never refreshable) went stale while the refreshable codebase version lacked
the visual richness that makes architecture docs useful for planning.
Add to the ARCHITECTURE.md template:
- <!-- refreshed: {date} --> marker at the top (maintainer request)
- ASCII system overview diagram with component boxes and flow arrows
- Component responsibility table (Component / Responsibility / File)
- Primary request path traces with numbered steps and code references
- Architectural constraints section (threading, global state, circular imports)
- Anti-patterns section with codebase-specific patterns and correct alternatives
All existing sections (Pattern Overview, Layers, Key Abstractions, Entry Points,
Error Handling, Cross-Cutting Concerns) are preserved.
7 new tests in tests/enh-2500-codebase-mapper-arch-rich-format.test.cjs verify
each required section is present in the deployed template.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
* fix(#2500): resolve CodeRabbit review findings
- Add 'text' language tag to bare ASCII diagram fenced block (markdownlint MD040)
- Tighten data flow test: require '### Primary Request Path' heading, 3+
numbered steps, and file:line reference pattern — prevents loose-match
false positives
- Tighten constraints test: require '## Architectural Constraints' heading
AND Threading / Global state / Circular imports tokens — prevents broad
keyword matches masking regressions
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>
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