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/bmad-technical-research/research.template.md

@@ -0,0 +1,29 @@
+---
+stepsCompleted: []
+inputDocuments: []
+workflowType: 'research'
+lastStep: 1
+research_type: '{{research_type}}'
+research_topic: '{{research_topic}}'
+research_goals: '{{research_goals}}'
+user_name: '{{user_name}}'
+date: '{{date}}'
+web_research_enabled: true
+source_verification: true
+---
+
+# Research Report: {{research_type}}
+
+**Date:** {{date}}
+**Author:** {{user_name}}
+**Research Type:** {{research_type}}
+
+---
+
+## Research Overview
+
+[Research overview and methodology will be appended here]
+
+---
+
+<!-- Content will be appended sequentially through research workflow steps -->