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/bmad-create-epics-and-stories/templates/epics-template.md

@@ -0,0 +1,61 @@
+---
+stepsCompleted: []
+inputDocuments: []
+---
+
+# {{project_name}} - Epic Breakdown
+
+## Overview
+
+This document provides the complete epic and story breakdown for {{project_name}}, decomposing the requirements from the PRD, UX Design if it exists, and Architecture requirements into implementable stories.
+
+## Requirements Inventory
+
+### Functional Requirements
+
+{{fr_list}}
+
+### NonFunctional Requirements
+
+{{nfr_list}}
+
+### Additional Requirements
+
+{{additional_requirements}}
+
+### UX Design Requirements
+
+{{ux_design_requirements}}
+
+### FR Coverage Map
+
+{{requirements_coverage_map}}
+
+## Epic List
+
+{{epics_list}}
+
+<!-- Repeat for each epic in epics_list (N = 1, 2, 3...) -->
+
+## Epic {{N}}: {{epic_title_N}}
+
+{{epic_goal_N}}
+
+<!-- Repeat for each story (M = 1, 2, 3...) within epic N -->
+
+### Story {{N}}.{{M}}: {{story_title_N_M}}
+
+As a {{user_type}},
+I want {{capability}},
+So that {{value_benefit}}.
+
+**Acceptance Criteria:**
+
+<!-- for each AC on this story -->
+
+**Given** {{precondition}}
+**When** {{action}}
+**Then** {{expected_outcome}}
+**And** {{additional_criteria}}
+
+<!-- End story repeat -->