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-0-project-setup/resources/wds-1-project-brief/templates/signoff.template.md

@@ -0,0 +1,188 @@
+# Project Signoff Document
+
+**Project**: {{project_name}}  
+**Date**: {{date}}  
+**Department/Team**: {{department_name}}  
+**Project Owner**: {{project_owner}}  
+**Document Language**: {{contract_language}}  
+**Governing Jurisdiction**: {{governing_jurisdiction}} (if applicable)
+
+---
+
+> **Document Philosophy**: This signoff document is designed to be simple, fair, and clear - providing reliable terms that support successful project execution and clear accountability.
+
+---
+
+## 1. Project Overview
+
+### The Realization
+
+{{realization}}
+
+### Recommended Solution
+
+{{recommended_solution}}
+
+---
+
+## 2. Goals and Success Metrics
+
+### What We're Trying to Accomplish
+
+{{goals}}
+
+### Success Metrics
+
+{{success_metrics}}
+
+### How We'll Measure Success
+
+{{measurement_approach}}
+
+### Key Performance Indicators (KPIs)
+
+{{kpis}}
+
+---
+
+## 3. Budget and Resources
+
+### Budget Allocation
+
+**Total Budget**: {{total_budget}}
+
+**Budget Breakdown** (if applicable):
+{{budget_breakdown}}
+
+### Resources Needed
+
+{{resources_needed}}
+
+### Not-to-Exceed Budget Cap
+
+{{not_to_exceed_budget}}
+
+---
+
+## 4. Ownership and Responsibility
+
+### Project Owner
+
+{{project_owner}}
+
+### Process Owner
+
+{{process_owner}}
+
+### Key Stakeholders
+
+{{key_stakeholders}}
+
+### Decision-Making Authority
+
+{{decision_making_authority}}
+
+---
+
+## 5. Approval and Sign-Off
+
+### Who Needs to Approve
+
+{{approvers_list}}
+
+### Approval Stages
+
+{{approval_stages}}
+
+### Sign-Off Process
+
+{{signoff_process}}
+
+### Timeline for Approval
+
+{{approval_timeline}}
+
+---
+
+## 6. Timeline and Milestones
+
+### Key Milestones
+
+{{key_milestones}}
+
+### Delivery Dates
+
+{{delivery_dates}}
+
+### Critical Deadlines
+
+{{critical_deadlines}}
+
+---
+
+## 7. Optional Sections
+
+### Risks and Considerations (Optional)
+
+{{risks_and_considerations}}
+
+### Confidentiality (Optional)
+
+{{confidentiality_requirements}}
+
+### The Path Forward (Optional - High-Level Overview)
+
+{{path_forward_high_level}}
+
+---
+
+## 8. Approval and Signoff
+
+This document serves as formal approval to proceed with the project as outlined above.
+
+**Stakeholder Signoffs**:
+
+**Project Sponsor**:
+
+Name: _________________  
+Signature: _________________  
+Date: _______________
+
+**Budget Approver**:
+
+Name: _________________  
+Signature: _________________  
+Date: _______________
+
+**Project Owner**:
+
+Name: {{project_owner}}  
+Signature: _________________  
+Date: _______________
+
+---
+
+## 9. Next Steps
+
+Upon signoff:
+1. Proceed to full Project Brief development
+2. Execute work plan as outlined above
+3. Deliverables will be provided according to the agreed timeline
+
+### Changes and Modifications
+
+Any changes to scope, timeline, or investment must be agreed upon by all signatories.
+
+---
+
+## Appendix
+
+### Reference Documents
+
+- Project Pitch: `docs/wds-1-project-brief/pitch.md`
+- Project Brief: (To be created after signoff)
+
+---
+
+*This signoff document is based on the project pitch dated {{date}}.*
+