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-1-project-brief/data/tone-of-voice-output-template.md

@@ -0,0 +1,76 @@
+# Tone of Voice - Output Template
+
+Use this template to document the final Tone of Voice in the Product Brief.
+
+```markdown
+## Tone of Voice
+
+**For UI Microcopy & System Messages**
+
+### Tone Attributes
+
+1. **[Attribute 1]**: [Brief description]
+2. **[Attribute 2]**: [Brief description]
+3. **[Attribute 3]**: [Brief description]
+
+### Examples
+
+**Error Messages:**
+- ✅ "Hmm, that doesn't look like an email. Check for typos?"
+- ❌ "Error: Invalid email format"
+
+**Button Text:**
+- ✅ "Let's get started"
+- ❌ "Submit"
+
+**Empty States:**
+- ✅ "Nothing here yet. Ready to add your first item?"
+- ❌ "No results found"
+
+**Success Messages:**
+- ✅ "You're all set! We've sent a confirmation to your email."
+- ❌ "Operation completed successfully"
+
+### Guidelines
+
+**Do:**
+- [Tone-appropriate practice 1]
+- [Tone-appropriate practice 2]
+- [Tone-appropriate practice 3]
+
+**Don't:**
+- [Tone-inappropriate practice 1]
+- [Tone-inappropriate practice 2]
+
+---
+
+*Note: Tone of Voice applies to UI microcopy. Strategic content (headlines, feature descriptions, value propositions) uses the Content Creation Workshop based on page-specific purpose and context.*
+```
+
+## Example Microcopy Format
+
+When presenting examples, use this comparison format:
+
+```
+Example UI Microcopy:
+
+Error Message:
+❌ Generic: "Error: Invalid input"
+✅ Our Tone: [Rewritten in proposed tone]
+
+Button Text:
+❌ Generic: "Submit"
+✅ Our Tone: [Rewritten in proposed tone]
+
+Empty State:
+❌ Generic: "No results found"
+✅ Our Tone: [Rewritten in proposed tone]
+
+Form Label:
+❌ Generic: "Email address"
+✅ Our Tone: [Rewritten in proposed tone]
+
+Success Message:
+❌ Generic: "Operation successful"
+✅ Our Tone: [Rewritten in proposed tone]
+```