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a6a4683b7420f38551d0cb1e8e53ad1da56992c7
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Author SHA1 Message Date
popertots a6a4683b74 fix: review round — B1 clock-skew tolerance + re-poll escalation, refresh-token access-token revocation, shared 2FA composable, per-package-DB test alignment 
Three fresh reviews (money/security/dup-mod) cross-validated findings:
- MEDIUM: B1 'new charge' discrimination adds a lower-bound tolerance (replayRescueLowerBoundSkew) so a retained-key replay of the ORIGINAL charge (DB clock ahead of Square) is never auto-refunded; ambiguous margins leave PENDING + CRITICAL
- MEDIUM: B1 re-poll escalates after stalePendingB1RefundAge (48h) — FAILED/REJECTED refunds go terminal (fail parent, claw back till-sale funding, CRITICAL notification); no more unbounded re-polling / stranded parents without webhooks
- DRIFT-REAL: processManualPaymentGroup now checks PENDING/FAILED/REJECTED on the synchronous refund response (mirrors processChargeGroup/manual handler) — no more premature 'completed'
- HIGH: refresh-token family kill now also invalidates the attacker's freshly-minted ACCESS token — access tokens carry a family_id claim and VerifyToken rejects tokens whose family was deleted (GenerateTokenForFamily + family-alive check); 30s grace window for concurrent two-tab refresh (no false theft alert)
- LOW: 2FA mint endpoint returns remaining_seconds; in-memory 2FA counters documented; 90-day refresh expiry single-sourced (RefreshTokenLifetime + make_interval)
- Dup/mod: NEW shared useTwoFactorCodeForSavedCard Svelte composable replaces 6 surface copies of the 2FA gate logic (Request-a-new-code added to BookingFlow + TillPurchases); account page adopts generateUUID
- Test architecture: removed t.Parallel() from 8 global-SquareClient-swapping tests per Testing Architecture doc line 89 (B1 flaky-test lesson) — fixes within-package race
- SQL alias pence rename (total_cents/paid_cents -> total_pence/paid_pence)

26/26 backend packages; 72/72 frontend tests + build; env-docs 41/41.
 2026-08-22 00:34:50 +01:00
popertots fe88f2084d fix: review-loop B — adversarial findings (sweep auto-refund, admin clamp, 2FA real challenge, opaque refresh tokens, gated client IP, GBP pence) 
Loop B aggressive adversarial round (3 attack agents) + fix + secondary + verification:
- CRITICAL: sweep replay auto-refunds provably-created-later duplicate charges (gated on parseable CreatedAt); 22h legitimate-retry window == 22h sweep cutoff (no dead zone)
- HIGH: admin Take Payment clamps to remaining obligation (cash/giftcard/saved-card/terminal); no unintended tip from overflow; campaign credit against remaining
- HIGH: /api/services/eligible-for/{id} requires auth + owner-or-admin (DOB/age + patch-test health-data leak closed)
- HIGH: opaque refresh-token rotation (login/refresh return {token, jti, refreshToken}; refresh REQUIRES opaque token; single-use rotation; logout revokes; access token rejected at refresh)
- HIGH: saved-card charges require a REAL 2FA verification code (B6/B10) — backend gate on all 8 charge paths + shared TwoFactorCodeInput frontend component on all 7 surfaces; 2FA gate is no longer setup-flag-only
- MEDIUM: ungated CF-Connecting-IP in reserve/admin_reserve gated via exported mw.ClientIP; 2FA limiter keyed on userID alone (no header-rotation bypass); ChangePassword actually revokes JTI + refresh tokens; 2FA setup mint cooldown + persistent failed-attempt counter; campaign redemption race surfaces campaign_fully_redeemed
- Terminal saved-card VAT applied (was under-collected); age-guard reconcile failures notify; isWeakJWTSecret entropy gate; gift-card redeem per-card counter + per-user limiter; webhook signature key startup validation
- NEW internal/twofa package (single source of truth breaking the payments<->user import cycle); consolidation of duplicate 2FA hash/verify
- Frontend: refresh-token storage + rotation, TwoFactorCodeInput component, amountPaidPence in admin modal, B5/B6/B10 contract wiring; 70 frontend tests
- Tests: loop_b_fixes_test.go, internal/twofa tests, updated auth/services/profile/twofa/mw tests

All 26 backend packages pass (incl. internal/twofa); frontend 70/70 + build clean; env-docs 41/41.
 2026-08-22 00:34:50 +01:00
popertots 78e6d00dc5 fix: payments review rounds — money-safety, GDPR, security, gift-card cancel, modal stacking 
Money-safety:
- Deterministic till idempotency fallback (Square-charging only); cash/on_the_house keep unique keys; £250 till gift-card cap; 45-char key validation
- Gift-card admin caps £250/tx + £5,000/day; user buy £500/day; BuyGiftCard allowlist unchanged
- CancelGiftCard: CCR 2013 14-day right with partial-spend refund of the unspent balance (spend verified via payments.gift_card_id); atomic vs redeem/transfer; refunds stay pending until reversal commits; admin cancel surface (AdminCancelGiftCard)
- Sweep: cancelled-booking charges failed+notified instead of silently completed; source-override replay uses live square_source_id; legacy square-less refund sweep; snapshot refresh on pending reuse
- Refund lock consolidation; recordTerminalPaymentTx shared recorder; structured Square error codes; terminal checkout CustomerID

GDPR / security:
- Notes retained as de-identified medical/safety record at erasure (single field treated as health data; rest of record wiped, no re-identification map) + comments updated per UK GDPR/Art 9/Equality Act 2010
- square_request_snapshot PII scrubbed on all erasure paths; delete_guest_user FK unlinks; verification codes + dispute reasons handled; idle/stale-guest erasure deletes Square cards/customers + CardDAV/R2
- Durable square-erasure outbox job (retry-square-erasures); 2FA dev/prod build split, pepper fail-closed, no prod code-in-log; prod 2FA delivery fail-loud without a channel
- Webhook unknown-type family split (non-money acked, money retried); untracked dispute notifications; rate-limit CF/X-Real-IP trust gating; nginx CSP nonce + api_limit

Frontend:
- Dynamic z-index stack (ui/dialog/zindex.ts) claimed in open order via data-state observer; re-claims on every reopen; removes stale !z-* overrides — nested modals (booking→user→booking) always paint newest-on-top (browser-verified 3-level + reopen)
- Mobile: iOS zoom fixes, bottom-sheet dialogs, 44px touch targets, inputmode decimal, dvh
- Gift-card buy/cancel UI, admin £250 + daily limits, cancellation/privacy/terms policy accuracy

S3:
- Connect() creates buckets before probing; in-memory fallback only on genuine unreachability; health reports degraded; stale S3_PUBLIC_URL documented (host-specific)

Tests/docs:
- 2263 test functions; all 22 backend packages green; round8/9/10 regression suites; NextEditWindowTime removes wall-clock flake; docs reconciled (notes retention, gift-card partial-use, modal T15 future work)
 2026-08-22 00:34:50 +01:00
popertots e9b0f0f2a7 fix: review-loop hardening — identical-body replay, 2FA gates, webhook at-least-once, GDPR scrub 
Follow-up to the comprehensive payment-system review. Fixes the issues the
review found in the initial integration, plus the rough edges it introduced.

Money-safety:
- Replay-by-key now replays the FULL original request verbatim from a stored
  square_request_snapshot, so a retained idempotency key returns the original
  payment instead of IDEMPOTENCY_KEY_REUSED (previously the row sat pending
  forever). IDEMPOTENCY_KEY_REUSED remains ambiguous (never proof of no charge).
- Dev mock mirrors real Square for unknown-key replays: ccof: saved-card
  sources are charged and rescued; spent cnon: nonces surface
  ErrReplayKeyNotRetained. (Fixes dev/prod parity divergence.)
- Webhook dedup row committed AFTER dispatch (at-least-once); FAILED till sales
  claw back gift-card funding; event-type strings match Square's real catalog.
- Expired-gift-card cancellation refunds set creditFailed (never a phantom
  'completed' refund); cancellation refunds lock all payment rows ascending.
- Sweep never rescue-completes a gift-card purchase without delivering the card.
- Tip no-client-key fallback is a deterministic count-based key under the
  booking advisory lock (retry-safe, distinct tips don't collapse).
- M-cap subtracts completed refunds, clamped to [0, total].

2FA (PSD2 SCA stand-in) for online saved-card payments:
- Full feature: status/setup/verify/disable endpoints, gating helper wired into
  all 7 saved-card charge paths (incl. BuyGiftCard + admin saved-card), account
  admin-tab settings UI, frontend gating across all payment surfaces.
- Enforcement is FAIL-CLOSED: on unless REQUIRE_2FA=false or an explicit
  mock/dev SQUARE_ENVIRONMENT; startup warning when off in a non-dev env.
- Verify is brute-force hardened (5-attempt lockout, timing-safe compare);
  plaintext codes only logged when enforcement is off (dev).
- GDPR: anonymize_user also scrubs 2FA columns and staff notes.

Infra/docs:
- nginx: /api/ response cache removed (cross-user disclosure); port 80
  redirects to HTTPS (localhost/RFC1918 exempt, end-anchored regexes); HSTS;
  separate webhook rate-limit zone.
- Schema: users 2FA columns; payments/till_sales square_source_id +
  square_request_snapshot.
- Legal docs: gift-card cooling-off, international-transfers section, tips
  policy; Gap Backlog P3 webhooks marked done; stale counts/wording corrected.
- Flaky test race fixed (t.Parallel + global mock mutation); suite 26/26
  packages green, 2,142 tests, svelte-check clean.
 2026-08-22 00:34:49 +01:00
popertots 5e3dc9b428 fix: comprehensive payment system hardening (4 review passes) 
CRITICAL fixes:
- C1: JWT exp claim now validated via jwtauth.VerifyToken (was Decode)
- C2: OverrideAmount validated post-substitution (prevents negative money minting)
- C3: Terminal gift-card payments store gift_card_id; refund credits user balance
- C4: Refund dedup returns stored amount, not req.Amount (prevents admin mislead)
- C5: Booking recheck uses FOR UPDATE (prevents TOCTOU with cancellation)
- C6: processChargeGroup idempotency key stable (charge-only, prevents double-refund)

MAJOR fixes:
- M2: Gift-card refund UPDATE checks RowsAffected; 0 rows -> failed
- M3: ProcessCancellationRefund returns commit error (was swallowed)
- M5: Dispute webhook handling (created + state.updated + disputes table)

MEDIUM fixes:
- ME1: CORS restricted to FRONTEND_ORIGIN env var (was reflect-any)
- ME2: anonymize_user() scrubs users.notes, bookings.notes, name_history, refresh_tokens
- ME3: Webhook handlers now mutate state (payment.updated, refund.updated)

Frontend fixes:
- Same-key retry on 503 (ambiguous failure) wired to all 8 payment flows
- CHARGE_AND_STORE intent for save-card flows (SCA compliance)
- Nonce staleness check verified across all flows

Additional fixes from adversarial re-review:
- F1: Till-sale completed dedup echoes stored amount (C4-class)
- F2: Cash/giftcard terminal path uses FOR UPDATE (C5-class)
- F3: Square-success UPDATE checks RowsAffected (till sales)
- F4: Dispute reason truncated to 192 chars (prevents INSERT failure)
- F5: Booking-user lookup failure marks refund failed (prevents silent money loss)
- F6: Saved-card/tip rechecks wrapped in transaction (C5 residual)

Tests:
- 15 adversarial attack tests (negative override, zero override, terminal gift card,
  refund dedup, TOCTOU, deleted gift card, advisory lock, overcharge, zero/negative/huge
  amount, raw PAN, missing auth, gift card balance, concurrent refunds)
- 14 webhook state tests (dispute created/state, payment/refund updated)
- 3 CORS tests, 3 GDPR tests, 1 HTTP timeout test
- Full suite passes with -race (25 packages, 0 failures)

25 files changed, +1532/-275 lines
 2026-08-22 00:34:49 +01:00
popertots ea771ffaf5 Till: saved-card payment surface with customer picker and valid-card gating 
Staff may charge a customer's saved card at the till but cannot add or save
one. A customer picker (reusing the admin user-search pattern, excluding
admin/guest/affiliate) loads the customer's cards via
GET /admin/users/{id}/payment-methods; the 'Saved card' payment option is
hidden outright when the customer has no currently-valid cards, computed
client-side with the Square convention (valid through the end of
exp_month/exp_year). The saved-card charge sends payment_method saved_card
plus user_id/user_saved_card_id with no card_token or verification_token, and
the per-line idempotency keys also key on the selected card so switching cards
yields fresh keys. No Square Dashboard hint, no new-card form, no save
checkbox — the till can never persist a card.
 2026-08-22 00:34:49 +01:00
popertots 54a5b1024e Implement full Square payment review fixes + frontend polish 
Implement every finding from the deep payment review (P0-P2, minors,
nitpicks), then close the post-implementation re-review items, then
align card-form typography and roll out the Square trust badge.

Backend - Square API alignment:
- tip_settings.allow_tipping nested under device_options (was top-level:
  terminal tips were silently lost in prod)
- CreateCardOnFile now accepts customerID and sends card.customer_id;
  saved-card (ccof:) charges forward square_customer_id as CustomerID
- New SquareClient methods GetPayment, CreateCustomer, CancelCheckout
- SCA verification_token accepted + forwarded in all charge paths
- ExpMonth/ExpYear -> *int; URL-path id validation; CancelCheckout
  NOT_FOUND-only no-op (dropped unverified NOOP); exported ErrorCode/
  ErrorDetail helpers; mock rejects raw PANs, RList locks, redacts
  emails, ForceRefundPending hook

Backend - money safety:
- sweepManualPendingSquareRefunds reconciles rows WITH square_refund_id
  instead of stranding them forever
- SweepStalePendingPayments reconciles at Square before failing (tri-state:
  leave pending on transport error, rescue completed, fail definitively)
- GetCheckoutStatus cancellation-recheck; terminal CANCELED resolution;
  SweepStaleTerminalCheckouts covers terminal_checkouts table
- till gift-card clawback on definitive failure incl. retry path +
  INSUFFICIENT_FUNDS/ADDRESS_VERIFICATION_FAILURE/TRANSACTION_LIMIT
- cross-user saved-card collision fixed (UNIQUE(user_id,square_card_id))
- customer provisioning (lazy, save-only); one-off/guest mint no customer
- discount preview/apply unified in discounts.go (global-milestone visible
  in preview, N+1 eliminated, redemption counter preserved on failures)
- webhook event_id dedup; refund loop dedup; stale comment fixes
- test-isolation t.Cleanup on committed sweep tests

Frontend:
- SCA tokenizeWithVerification across all charge flows (amount as
  major-units decimal), 5-min token-expiry re-tokenize, verification_token
  in request bodies
- PaymentModal synchronous double-click + zero/negative-amount guards
- till online-card UI wired to /api/admin/till/sale
- policyPopover generalised; new /privacy-policy route; consent checkbox
  copy + Square privacy link
- Square card iframe styled to app typography (Inter 14px, oklch tokens);
  mock form md:text-sm parity
- 'Secure payment powered by Square' badge on all 8 card-payment flows

Schema/docs: terminal_checkouts + square_customer_id + per-user card
constraint in init-script.sql; README migrations; P14 plan + backlog +
Technical Manual updated.

Includes 39 modified/new test files; full backend suite (25 pkgs),
-race on payments+square, and frontend build are green.
 2026-08-22 00:34:49 +01:00
popertots 4af2b8dfb4 style: fix prefer-const and prettier formatting issues
Backend CI / Tests (push) Failing after 1m41s
Details
Backend CI / Lint & vulns (push) Failing after 2m26s
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Backend CI / Race detector (push) Failing after 3m45s
Details
2026-06-25 13:48:03 +01:00
popertots ad0ad253ad style: apply prettier formatting to frontend
Backend CI / Lint & vulns (push) Failing after 1m59s
Details
Backend CI / Tests (push) Successful in 2m1s
Details
Backend CI / Race detector (push) Failing after 4m0s
Details
2026-06-25 13:26:26 +01:00
popertotsandSisyphus b23a8b89c4 feat(frontend): update admin components 
Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>
 2026-06-18 16:26:58 +01:00
popertots 5258f90b06 Add giftcard management 2026-06-06 14:26:42 +01:00