chore: initial monorepo scaffold + WDS Phase 1+2 artifacts

- Nx 22.7 monorepo (pnpm 11.1, TypeScript 5.9, Node 24)
- apps/api: NestJS 11 (CJS conforme CODING-RULES.md PGD-DB-004)
- apps/web: React 19 + Vite 8 (ESM)
- libs/shared/api-interface: Zod contract base
- Docker Compose dev: Postgres 18, Valkey 8, MinIO, Mailpit
- WDS artifacts:
  - design-artifacts/A-Product-Brief/ (5 docs canônicos + 16 dialogs)
  - design-artifacts/B-Trigger-Map/ (hub + 4 personas + feature impact)
- Stack canon: STACK.md v2.2 + CODING-RULES.md v2.0 + brand.md
- AGENTS.md + README.md como entrada para devs/agentes

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

.agents/skills/wds-6-asset-generation/data/styles/content-styles/illustration.md

@@ -0,0 +1,26 @@
+# Illustration
+
+## Overview
+Hand-crafted digital illustrations — custom, warm, and brand-unique.
+
+## Rendering Characteristics
+
+| Property | Value |
+|----------|-------|
+| **Detail level** | Medium — stylized, not photographic |
+| **Lighting** | Flat or gently shaded |
+| **Texture** | Smooth with subtle grain |
+| **Color** | Brand palette, can be limited |
+| **Depth** | Flat to moderate depth |
+
+## Prompt Keywords
+`illustration, digital illustration, hand-drawn, custom art, vector style, flat illustration, character illustration`
+
+## Best For
+- Brand storytelling, onboarding flows, empty states, error pages
+- Distinctive brand identity that photography can't deliver
+
+## Dimensions Guide
+- Spot illustrations: 400x400 to 800x800
+- Scene illustrations: 16:9 or custom
+- Icons as illustrations: 64x64 to 256x256