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>

.claude/skills/wds-4-ux-design/data/page-creation-flows/flow-d-reference.md

@@ -0,0 +1,69 @@
+# Flow D: Reference Page
+
+**Activates when:** User has a similar page to reference
+
+---
+
+## Gather Reference
+
+<ask>**Which page is this similar to?**
+
+Provide:
+- Page name or URL
+- What file path (if internal project)
+- Or description of reference page
+
+Reference:</ask>
+
+<action>Store reference_page</action>
+
+---
+
+## Identify Differences
+
+<ask>**What are the KEY DIFFERENCES from the reference?**
+
+What changes from the reference page?
+
+Differences:</ask>
+
+<action>Store differences</action>
+
+---
+
+## Generate Specification
+
+<output>**Creating page based on reference...**</output>
+
+<action>
+If internal reference exists:
+  1. Copy reference specification structure
+  2. Update with differences
+  3. Mark sections that need updates
+  4. Preserve navigation pattern
+
+If external reference:
+  1. Describe reference structure
+  2. Note differences
+  3. Create conceptual specification
+  4. Recommend creating sketch showing changes
+
+Generate specification document
+</action>
+
+---
+
+## Completion
+
+<output>✅ **Reference-based page specification created!**
+
+**Based on:** {{reference_page}}
+
+**Key differences noted:** {{differences}}
+
+**Next steps:**
+- Review generated specification
+- Create sketch showing unique elements
+- Run Page Process Workshop to refine
+
+Ready?</output>