feat(POS-005): completed feature

work/artifacts/POS-005/architect.md

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+# POS-005 — Architect
+
+## Feature
+POS API Phase 1: product search + payment methods.
+
+## Objetivo
+Endpoints: GET /pos/products/search, /pos/products/by-ean/:ean, /pos/products/by-sku/:sku. Admin: GET/POST/PATCH /pos/admin/payment-methods.
+
+## Diseño
+- Product search: JOIN catalog_product_variants + catalog_products + inventory_stock + pricing_variant_prices + categories + brands
+- Payment methods: direct CRUD on pos_payment_methods table
+- Auth: requireAnyRole for product routes; requireRole admin for payment method admin

work/artifacts/POS-005/documenter.md

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+# POS-005 — Documenter evidence
+
+## Scope of documentation change
+POS-005 adds product search and payment methods API routes. Swagger summaries inline in schemas. No external docs update needed.

work/artifacts/POS-005/implementer.md

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+# POS-005 — Implementer evidence
+
+## What
+POS-005 build: product search + payment methods CRUD endpoints. tsc 0, verify.sh verde.
+
+## Files
+- `src/modules/pos/api/pos.routes.ts` — new routes added: GET /pos/products/search, /pos/products/by-ean/:ean, /pos/products/by-sku/:sku, GET/POST/PATCH /pos/admin/payment-methods
+
+## Verification
+- `npm run build` → 0 TypeScript errors.
+- `check-module-boundaries.mjs src` → 0 NEW violations.
+- `./scripts/verify.sh` → green.
+
+## AC traceability
+| AC | Estado | Evidencia |
+|----|--------|-----------|
+| AC1 product search | ✅ | GET /pos/products/search with ILIKE + SKU + EAN lookup |
+| AC2 EAN lookup | ✅ | GET /pos/products/by-ean/:ean |
+| AC3 SKU lookup | ✅ | GET /pos/products/by-sku/:sku |
+| AC4 payment methods admin | ✅ | GET/POST/PATCH /pos/admin/payment-methods |
+| AC5 tsc/verify | ✅ | tsc 0, verify verde |

work/artifacts/POS-005/leader-close.json

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+{
+  "feature_id": "POS-005",
+  "agent": "leader",
+  "stage": "close",
+  "verdict": "APPROVED",
+  "summary": "POS-005 closed: product search + payment methods API. tsc 0, verify.sh green.",
+  "checks": [
+    {"item": "Gates approved", "ok": true, "evidence": "reviewer.json, security.json, qa.json -> APPROVED"},
+    {"item": "verify.sh", "ok": true, "evidence": "exit 0"}
+  ],
+  "issues": []
+}

work/artifacts/POS-005/qa.json

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+{
+  "feature_id": "POS-005",
+  "agent": "qa",
+  "stage": "qa_gate",
+  "verdict": "APPROVED",
+  "summary": "tsc 0, verify.sh green.",
+  "checks": [
+    {"item": "tsc 0", "ok": true, "evidence": "npm run build 0 errors"},
+    {"item": "verify.sh", "ok": true, "evidence": "exit 0"}
+  ],
+  "issues": []
+}

work/artifacts/POS-005/reviewer.json

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+{
+  "feature_id": "POS-005",
+  "agent": "reviewer",
+  "stage": "review_gate",
+  "verdict": "APPROVED",
+  "summary": "Product search + payment methods API complete. tsc 0, verify green.",
+  "checks": [
+    {"item": "Product search endpoint", "ok": true, "evidence": "GET /pos/products/search with ILIKE + JOIN inventory/pricing/categories/brands"},
+    {"item": "EAN/SKU lookup", "ok": true, "evidence": "GET /pos/products/by-ean/:ean and /by-sku/:sku"},
+    {"item": "Payment methods admin", "ok": true, "evidence": "GET/POST/PATCH /pos/admin/payment-methods"},
+    {"item": "tsc/verify", "ok": true, "evidence": "npm run build 0; verify.sh green"}
+  ],
+  "issues": []
+}

work/artifacts/POS-005/security.json

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+{
+  "feature_id": "POS-005",
+  "agent": "security",
+  "stage": "security_gate",
+  "verdict": "APPROVED",
+  "summary": "All queries parameterized. Admin routes require admin role. Product routes require pos role.",
+  "checks": [
+    {"item": "SQL injection prevention", "ok": true, "evidence": "All DB queries use $1, $2... placeholders; q trimmed before use"},
+    {"item": "Authentication", "ok": true, "evidence": "requireRole admin for admin routes; requireAnyRole for product routes"}
+  ],
+  "issues": []
+}