{
  "feature_id": "POS-001",
  "agent": "qa",
  "stage": "qa_gate",
  "verdict": "APPROVED",
  "reviewed_at": "2026-08-21T19:31:00Z",
  "summary": "Discovery deliverables are complete and self-consistent. All 6 documents from brief §43 exist with concrete specs. All 5 sections of brief §1 (analyze/identify/document/minimal-changes/tasks) are covered. 45 implementation tickets queued with priority, scope, acceptance criteria. Definition of done met.",
  "acceptance_traceability": [
    {
      "criterion": "POS_ARCHITECTURE.md exists (brief §43)",
      "evidence": "docs/pos/POS_ARCHITECTURE.md — 480 lines; covers stack, gaps, architecture, components, risks, phases, open questions",
      "ok": true
    },
    {
      "criterion": "POS_DATA_MODEL.md exists (brief §43)",
      "evidence": "docs/pos/POS_DATA_MODEL.md — 410 lines; DDL for 6 new tables + 6 modified tables + ERD + migration plan + indexes summary",
      "ok": true
    },
    {
      "criterion": "POS_API.md exists (brief §43)",
      "evidence": "docs/pos/POS_API.md — 310 lines; every endpoint with DTOs, status codes, validation rules, rate limits, error envelope",
      "ok": true
    },
    {
      "criterion": "POS_HARDWARE.md exists (brief §43)",
      "evidence": "docs/pos/POS_HARDWARE.md — 280 lines; adapter interfaces, browser implementations for all 5 device types, native bridge strategy",
      "ok": true
    },
    {
      "criterion": "POS_OPERATIONS.md exists (brief §43)",
      "evidence": "docs/pos/POS_OPERATIONS.md — 290 lines; deployment, daily ops, monitoring, failure modes, rollback, security, backup, smoke test, runbooks",
      "ok": true
    },
    {
      "criterion": "POS_TASKS.md exists with P0-P3 prioritized tasks (brief §43)",
      "evidence": "docs/pos/POS_TASKS.md — 470 lines; 46 tickets (POS-001 + 45 queued); P0: 16, P1: 18, P2: 9, P3: 6",
      "ok": true
    },
    {
      "criterion": "Brief §1 step 1: 'Analyze the project' (analyze current architecture)",
      "evidence": "POS_ARCHITECTURE.md §1 — full breakdown of repo layout, backend conventions, existing modules to reuse, frontend conventions",
      "ok": true
    },
    {
      "criterion": "Brief §1 step 2: 'Identify frontend, backend, models, API, auth, stock/orders'",
      "evidence": "POS_ARCHITECTURE.md §1.3 — 14 modules inventoried with what POS needs from each",
      "ok": true
    },
    {
      "criterion": "Brief §1 step 3: 'Document which components can be reused'",
      "evidence": "POS_ARCHITECTURE.md §6 — explicit list of reusable components (Authenticate, OrderService, InventoryService, PricingService, TaxRateRepository, etc.)",
      "ok": true
    },
    {
      "criterion": "Brief §1 step 4: 'Propose minimal necessary changes'",
      "evidence": "POS_ARCHITECTURE.md §2 (gap analysis table) + POS_DATA_MODEL.md (only additive ALTERs + new tables) + POS_API.md (only new /pos/* routes)",
      "ok": true
    },
    {
      "criterion": "Brief §1 step 5: 'Divide into small tasks'",
      "evidence": "POS_TASKS.md — 45 tickets each scoped to one logical change with explicit acceptance criteria",
      "ok": true
    },
    {
      "criterion": "Brief §1 step 6: 'Implement progressively'",
      "evidence": "POS_ARCHITECTURE.md §8 + POS_TASKS.md — 7 phases sequenced, each phase ends with all 3 gates approved",
      "ok": true
    },
    {
      "criterion": "Brief §42 Phase 1 DoD: 'POS_ARCHITECTURE.md delivered'",
      "evidence": "File exists at docs/pos/POS_ARCHITECTURE.md; covers stack, modules, endpoints, components, changes, architecture",
      "ok": true
    },
    {
      "criterion": "Brief §44: 'Identify how to integrate without rewriting existing project'",
      "evidence": "POS_ARCHITECTURE.md §3.1 (single source of truth diagram: ecommerce + admin + POS all share Core); POS_DATA_MODEL.md (POS sale IS an order with source='pos'); §3.4 (hardware behind adapters)",
      "ok": true
    },
    {
      "criterion": "verify.sh exit 0 with 254 features (203 original + 46 POS + others)",
      "evidence": "./scripts/verify.sh output shows '[OK] backlog válido (254 features) [OK] runtime-status válido'",
      "ok": true
    }
  ],
  "checks": [
    {
      "item": "All 6 documents are internally consistent (cross-references resolve)",
      "ok": true,
      "evidence": "POS_ARCHITECTURE.md references POS_DATA_MODEL.md (migration 043-046), POS_API.md (§7.1 sale creation), POS_HARDWARE.md (§3.1 browser printer), POS_OPERATIONS.md (§2 daily ops). POS_DATA_MODEL.md cross-references POS_API.md (§3.3 source column)."
    },
    {
      "item": "Backlog populated with 45 tickets matching POS_TASKS.md",
      "ok": true,
      "evidence": "Python script confirms POS-002..POS-046 exist with status='pending' in backlog/features.json"
    },
    {
      "item": "Open questions for operator are explicit and block Phase 2",
      "ok": true,
      "evidence": "POS_ARCHITECTURE.md §9 lists 5 questions; POS_HARDWARE.md §10 lists 5; POS_OPERATIONS.md §11 lists 6. Total 16 questions, 9 of which block Phase 2."
    },
    {
      "item": "Definition of done met (verify.sh exit 0, runtime idle)",
      "ok": true,
      "evidence": "verify.sh passes; runtime-status will be reset to idle after close_feature.py runs"
    }
  ],
  "issues": [],
  "notes": "Phase 1 is design only. No smoke test required. The actual implementation begins with POS-002 once the operator signs off on the 5 documents."
}