documentation-update

name	Documentation Update
description	Update docs/ in response to code changes. Keep docs/ always up to date.

Trigger Conditions

• After implementing a new feature or making an architecture change
• After changing an existing specification or convention
• When the user requests a docs update

Rules

• docs/ is the Single Source of Truth for all technical documentation
• When code changes, always update the related docs/ files
• When introducing a new concept or pattern, create a corresponding docs/ file
• SKILL.md in skills should only be pointers to docs/. Do not write details in skills

docs Structure

• docs/domain/ - Domain specifications (overview, entities, use cases, glossary)
• docs/plan/ - Feature specifications (Spec-Driven Development, per-feature specs & checklists)
• docs/testing/ - Testing implementation guidelines (Unit/Integration/API/UI/VRT/E2E)
• docs/web-frontend/ - Frontend (architecture, hooks, CSS, a11y, testing, error handling, TypeScript)
• docs/backend/ - Backend (server architecture, domain modeling, API design, UseCase implementation rules, function documentation conventions, PR guidelines, datetime handling)
• docs/design/ - Design system (tokens, colors, typography, UI patterns, principles, a11y)
• docs/infra/ - Infrastructure (Terraform, tfaction, CI/CD)
• docs/security/ - Security (lint, scanning)