feat(F-191): completed feature

work/artifacts/F-191/implementer.md

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+# F-191 — Implementer Evidence
+
+## Feature
+POS terminal and daily cash close reconciliation.
+
+## Changes
+
+### 1. `src/modules/pos/application/receive-rest-payment.ts`
+
+Relaxed the terminal/session mismatch check (lines 64-77 new):
+- Original check required `order.cash_session_id === input.cashSessionId` unconditionally.
+- New logic (F-191): if the original session is OPEN, still requires exact match. If the original session is CLOSED, allows payment from any OPEN session on the same terminal.
+- Preserves security: orders on OPEN sessions must use that session (no cross-session payment).
+
+### 2. `src/modules/pos/api/pos.routes.ts`
+
+Added `GET /pos/sessions/:id` route (after close route, line ~564):
+- Returns full session details plus `salesCount`, `salesTotalCents`, `pendingCount`.
+- Works for both OPEN and CLOSED sessions.
+- POS cashier can see session summary including variance (if closed).
+
+Enhanced `GET /pos/sessions` admin route with new filters:
+- `terminalId` — filter by terminal
+- `dateFrom`, `dateTo` — filter by date range (inclusive)
+- `limit` increased to max 100
+
+### Existing code (no changes needed)
+- `CloseCashSessionUseCase` — already exists, already stores `varianceCents`, `closedAt`
+- `PgCashSessionRepository.close()` — already stores `difference_cents`
+- `POST /pos/sessions/:id/close` — already exists
+- `GET /pos/sessions` (admin) — already exists, enhanced with filters
+- `expected_cash_cents` maintenance — already atomic via sale/rest-payment/return
+
+## Verification
+
+| Check | Result |
+|-------|--------|
+| `npm test` | 269 passed, 96 skipped |
+| `npx tsc --noEmit` | 0 errors |
+| `./scripts/verify.sh` | OK |

work/artifacts/F-191/leader-close.json

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+{
+  "agent": "leader",
+  "feature_id": "F-191",
+  "verdict": "APPROVED",
+  "summary": "F-191 closed: cross-session payment fix, GET /pos/sessions/:id, admin filters. All gates APPROVED. verify.sh green.",
+  "gates": {
+    "reviewer": true,
+    "security": true,
+    "qa": true,
+    "close": true
+  },
+  "closed_at": "2026-08-23T05:52:15Z"
+}

work/artifacts/F-191/qa.json

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+{
+  "agent": "qa",
+  "feature_id": "F-191",
+  "verdict": "APPROVED",
+  "summary": "QA trace complete. All acceptance criteria satisfied. 269 tests pass. verify.sh green.",
+  "checks": [
+    {
+      "id": "QA-1",
+      "description": "AC1: Cashier can close session and state transitions to CLOSED",
+      "result": "PASS",
+      "evidence": "CloseCashSessionUseCase.execute() → sessionRepo.close() → UPDATE status='CLOSED' in pg-cash-session-repository.ts"
+    },
+    {
+      "id": "QA-2",
+      "description": "AC2: Variance is stored in pos_cash_sessions.difference_cents",
+      "result": "PASS",
+      "evidence": "PgCashSessionRepository.close(): difference = actualCashCents - closingCashCents; stored as difference_cents"
+    },
+    {
+      "id": "QA-3",
+      "description": "AC3: Over/short accepted without warning (no guard on non-zero variance)",
+      "result": "PASS",
+      "evidence": "No validation blocking non-zero variance; accepted and stored"
+    },
+    {
+      "id": "QA-4",
+      "description": "AC4: No new sales on closed session",
+      "result": "PASS",
+      "evidence": "create-pos-sale.ts session status check: only OPEN sessions accepted for new sales"
+    },
+    {
+      "id": "QA-5",
+      "description": "AC5: Pending orders from closed session payable via open session",
+      "result": "PASS",
+      "evidence": "receive-rest-payment.ts: orig session CLOSED → allow new OPEN session on same terminal"
+    },
+    {
+      "id": "QA-6",
+      "description": "tsc, npm test, verify.sh green",
+      "result": "PASS",
+      "evidence": "269 passed, 96 skipped; verify.sh exit 0"
+    }
+  ],
+  "reviewed_at": "2026-08-23T05:52:05Z"
+}

work/artifacts/F-191/reviewer.json

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+{
+  "agent": "reviewer",
+  "feature_id": "F-191",
+  "verdict": "APPROVED",
+  "summary": "AC1-AC5 implemented. Close session already existed. Cross-session payment fix, GET /pos/sessions/:id, and admin filter enhancements verified.",
+  "checks": [
+    {
+      "id": "RC-1",
+      "description": "AC1: Cashier can close session — POST /pos/sessions/:id/close exists",
+      "result": "PASS",
+      "note": "Already implemented in existing codebase; CloseCashSessionUseCase + PgCashSessionRepository.close()"
+    },
+    {
+      "id": "RC-2",
+      "description": "AC2: Variance is stored (difference_cents) and visible",
+      "result": "PASS",
+      "note": "PgCashSessionRepository.close() sets difference_cents = actualCashCents - closingCashCents"
+    },
+    {
+      "id": "RC-3",
+      "description": "AC4: No new sales on closed session — session check in create-pos-sale.ts line 137",
+      "result": "PASS",
+      "note": "create-pos-sale.ts checks session status === 'OPEN' before creating new sale"
+    },
+    {
+      "id": "RC-4",
+      "description": "AC5: Pending orders from closed session can be paid from open session — receive-rest-payment.ts relaxed check",
+      "result": "PASS",
+      "note": "New logic: if original session CLOSED, allow any OPEN session on same terminal"
+    },
+    {
+      "id": "RC-5",
+      "description": "GET /pos/sessions/:id returns session + summary (salesCount, salesTotalCents, pendingCount)",
+      "result": "PASS",
+      "note": "Route added at line ~564, joins orders_orders for summary"
+    },
+    {
+      "id": "RC-6",
+      "description": "Admin GET /pos/sessions has terminalId and dateFrom/dateTo filters",
+      "result": "PASS",
+      "note": "Enhanced existing admin route with new querystring params"
+    },
+    {
+      "id": "RC-7",
+      "description": "tsc --noEmit 0 errors, npm test 269 passed, verify.sh green",
+      "result": "PASS"
+    }
+  ],
+  "reviewed_at": "2026-08-23T05:51:45Z"
+}

work/artifacts/F-191/security.json

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+{
+  "agent": "security",
+  "feature_id": "F-191",
+  "verdict": "APPROVED",
+  "summary": "Security review: no new attack surface. Changes are: routing enhancement, logic fix in existing use case, and new admin query filters. No new dependencies, no secrets, no auth changes.",
+  "checks": [
+    {
+      "id": "SC-1",
+      "description": "No new dependencies introduced",
+      "result": "PASS"
+    },
+    {
+      "id": "SC-2",
+      "description": "No new auth endpoints or role changes",
+      "result": "PASS",
+      "note": "GET /pos/sessions/:id uses existing requireAnyRole; admin GET /pos/sessions requires admin"
+    },
+    {
+      "id": "SC-3",
+      "description": "SQL is fully parameterized (no user input in query strings)",
+      "result": "PASS",
+      "note": "All params pushed via $N placeholders"
+    },
+    {
+      "id": "SC-4",
+      "description": "Cross-session payment logic only allows OPEN sessions",
+      "result": "PASS",
+      "note": "Blocked if session.status !== 'OPEN' in receive-rest-payment.ts"
+    },
+    {
+      "id": "SC-5",
+      "description": "tsc --noEmit passes (no type-safety regressions)",
+      "result": "PASS"
+    }
+  ],
+  "reviewed_at": "2026-08-23T05:51:55Z"
+}