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design-system

Guided GDD authoring for a single game system. Gathers context, walks sections collaboratively, cross-references dependencies, writes incrementally.

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SebastianLuser/claude-code-arcane3 stars(GitHub 3 + cccskills 0)

Run score Not tested

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Files included (3)

  • SKILL.md2.5 KB
  • references/post-design-validation.md471 B
  • references/section-guidance.md1.9 KB

SKILL.md (original)

Review the instructions the agent will receive before you install.

design-system — GDD System Authoring

Parse Arguments

  • Review mode: --review [full|lean|solo] flag → production/review-mode.txt → default lean
  • System name required. If missing: check design/gdd/systems-index.md for next undesigned system
  • Retrofit mode: If arg starts with retrofit or is path to existing GDD → read file, show section status, fill only missing/placeholder sections

Context Gathering

Read all before asking anything:

  1. design/gdd/game-concept.md (required)
  2. design/gdd/systems-index.md (required) — priority, layer, dependencies
  3. Upstream/downstream dependency GDDs — extract interfaces, formulas, edge cases, tuning knobs
  4. design/registry/entities.yaml — known cross-system facts (locked values)
  5. docs/consistency-failures.md — past conflict patterns for this domain
  6. design/gdd/game-pillars.md, related GDDs (optional)
  7. Engine and version from ProjectSettings/ProjectVersion.txt (Unity) or the .uproject (Unreal) → feasibility brief

Present context summary with dependencies, registry facts, engine constraints. Warn if upstream deps undesigned.

Skeleton Creation

Create design/gdd/[system-name].md with template sections. Update session state.

Section-by-Section Design

Cycle per section: Context → Questions → Options → Decision → Draft → Approval (AskUserQuestion) → Write (Edit with section heading for uniqueness)

After writing Sections C/D: check registry for value conflicts.

Section Guidance

Sections A-H + Visual/Audio + UI Requirements. Each has a goal and optional mandatory agent.

→ Read references/section-guidance.md for full section goals table and agent routing by system category

Post-Design Validation

Self-check completeness, then registry update, offer review, update index, suggest next.

→ Read references/post-design-validation.md for 6-step validation procedure

Protocol

  • Question → Options → Decision → Draft → Approval for every section
  • Never auto-generate full GDD. Never write without approval. Never contradict existing GDDs silently
  • Incremental writes — each section survives interruptions
  • Context ≥70% → warn user, suggest fresh session with resume

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