Fills the documentation debt items flagged by /document-release in PR #1477:
critical-gap tutorial coverage and common-gap explanation coverage for the
new /document-generate skill.
Quadrants: tutorial, how-to, explanation (reference already covered by
document-generate/SKILL.md).
- docs/tutorial-document-generate.md (1009 words): newcomer 90-second flow
- docs/howto-document-a-shipped-feature.md (770 words): post-ship audit + fill workflow
- docs/explanation-diataxis-in-gstack.md (1106 words): why Diataxis, trade-offs, alternatives
- README.md: links the three docs from the /document-generate skills-table row
All cross-links verified — every Related section points at an existing file.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>