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-1-project-brief/templates/project-brief-dialog/03-users.md

@@ -0,0 +1,82 @@
+# Step 3: User Definition
+
+**Completed:** {{date}}
+**Session:** {{session_number}}
+
+---
+
+## Opening Question
+
+**Agent asked:**
+{{opening_question_about_users}}
+
+**User's initial response:**
+{{first_response}}
+
+---
+
+## User Exploration
+
+### Primary User Discovery
+
+**Key exchanges:**
+
+**Agent:** {{followup_question}}
+**User:** {{response}}
+
+**Agent:** {{deeper_question}}
+**User:** {{response}}
+
+**Agent:** {{clarifying_question}}
+**User:** {{response}}
+
+---
+
+## Reflection Checkpoint
+
+**Agent's synthesis:**
+{{understanding_of_primary_user}}
+
+**User response:**
+- [ ] Confirmed
+- [ ] Corrected
+
+**Corrections (if any):**
+{{corrections}}
+
+---
+
+## Primary User Definition
+
+**Who they are:**
+{{user_description}}
+
+**Their context:**
+{{situation_and_environment}}
+
+**Their frustrations:**
+{{pain_points}}
+
+**What they're trying to achieve:**
+{{goals_and_jobs_to_be_done}}
+
+**How they currently solve this:**
+{{current_alternatives}}
+
+---
+
+## Secondary Users (if applicable)
+
+**User 2:** {{description_or_none}}
+**User 3:** {{description_or_none}}
+
+---
+
+## User Scenarios Captured
+
+**Scenario 1:** {{concrete_example}}
+**Scenario 2:** {{concrete_example}}
+
+---
+
+**Documented in:** `wds-project-outline.yaml` → `users`