Commit Graph
35 Commits
Author SHA1 Message Date
popertots 1429eddd34 fix: payments hardening — SCA wire contract (saved-card ref + tokenize-result), terminal/till token routing, tip-cap overflow carve, completion campaign atomicity, orphan B1-evidence gate, gift-card gates/locks, admin backstops
- ValidateCardInfo accepts saved-card ref + new_card_token coexistence (matches resolveChargeSource); new_card_token added to terminal/till request structs so SCA tokens are never dropped
- maxOnlineTipPence (£250) enforced on the overflow-tip carve AND buildSplitRecords (both carve paths) — closes the £10k bypass
- completion-path campaign increments made atomic reserve-first (conditional UPDATE ... RETURNING) + schema backstops (chk_times_redeemed, partial unique index on milestone redemptions)
- webhook orphan detection gated on B1 evidence (b1_attempts / sweep-duplicate refund row) so a delayed legit completion is never marked failed
- gift-card: per-user £500/day cap lock held across read-modify-write, expired-card top-up gate, NaN/Inf float bounds, refund_failed ack filter, on_the_house excluded from balance, postChargeRecheck notification
- admin apply-redemption route + admin-or-owner, in-handler isAdminRequest on 4 gift-card handlers, tip lock key aligned
- 2FA fallback machinery removed (insertTwoFAFallbackAudit/reissue/consent), dead fields stripped from charge structs
- tests: prod-tag suite, mock SCA parity, tip-cap overflow, completion races, cards pagination, ValidateCardInfo tables
2026-08-22 00:34:50 +01:00
popertots 4d5d2cd381 fix: restart-loop-A findings — pending sweep refunds, tip carve on discounts, TOCTOU redemption, single-use 2FA code + mint endpoint, refresh-token family revocation, admin 2FA code UX
Restart of Loop A (fresh review -> fix -> verify) findings from commit 5e967fa:
- B1: sweep auto-refund treats Square PENDING refunds as NON-terminal (row stays pending, no gift-card clawback, refunds row inserted for payments AND till_sales, re-polls the deterministic sweepdup- key); Square-less pre-pass exempts square_refund_id IS NOT NULL rows
- M4: terminal tip carve accounts for pending campaign discounts (headroom = total - pending - paid) so explicit tips aren't absorbed as service revenue; no-tip case stays a single record
- max_redemptions TOCTOU closed with atomic conditional UPDATE ... RETURNING; exhausted-at-apply surfaces campaign_fully_redeemed
- 2FA: verification code is single-use on the saved-card gate (VerifyForUser consume=true, interactive flows unaffected); new POST /api/user/2fa/code mints a fresh code for enabled users (RequireAuth + RequireNonGuest + mint cooldown + per-user limiter)
- Refresh tokens: family_id + used_at columns; reuse of an already-rotated token revokes the ENTIRE family and inserts a refresh_token_reuse admin alert; rotation mints descendants in the same family
- Frontend: 2FA code input + Request-a-new-code on all saved-card surfaces; admin modal keys code input to customer 2FA + 403 self-heal; tip-display note for pending discounts; 76 frontend tests
- Verified: all 26 backend packages pass, frontend build+tests green, 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 faceb9809c fix: review-loop A — discount credit on admin payments, campaign over-credit cap, sweep replay window, dedup refund revalidation, duplication/modularisation, GBP pence naming
Round-A fresh review (6 agents) + fix + secondary cross-cutting + verification rounds:
- F1: campaign discounts reduce the charged amount (deposit credit + admin PaymentModal discounted total); capDiscountToRemainingObligation prevents over-credit at completion in all four campaign blocks
- F2: sweep replay rescue distinguishes legitimate same-key retries (21h window) from expired-key new charges; ccof blind-fails leave pending + CRITICAL instead of clawing back
- F3: post-start online overflow carved as a tip record (mirrors terminal split builder)
- A1: single-source Square decline-code classification (till delegates to square.IsDefinitivePaymentError)
- A2/A5: refund attempt-cap literals consolidated; refund-failure counter capped + reset on terminal resolutions + admin notifications
- A3/A9: idempotency helpers adopted across derivations; IsExplicitDevOrMockEnv relocated + all gates unified (incl. health-check)
- A7: 2FA user+IP limiter + TRUST_PROXY_HEADERS startup warning; SNAPSHOT_ENC_KEY startup validation; TWO_FACTOR_PEPPER docs corrected
- A8: snapshot encryption on all 6 write sites + marker-aware reuse paths; MPV->SPV effective voucher type (single VAT point)
- A10/A11/A12/A16: gift-card slot scan advances past failed; amount-aware refund reconciliation; completed-booking refund re-check; PaymentWasRefunded on SquareClient interface
- Dedup refund revalidation on tip/terminal/gift-card paths; sweep acknowledged_at IS NULL parity; refund-notification single source (exported payments.InsertRefundFailedNotifications)
- Duplication/modularisation round: shared frontend helpers (sanitizeDecimalInput, campaignDiscountCents, twoFactorBlocksSavedCards getter, generateUUID), single-source MaxIdempotencyKeyLength, notification-helper consolidation, snapshot-guard comments
- Cross-cutting GBP rename: Cents->Pence across backend + frontend + tests (26 identifiers, 16 files)
- Tests: 11 behavior-change tests updated to new invariants; coverage for fixed functions; frontend vitest 55 tests; docs corrected (test counts, 2FA delivery, pre-launch checklist, resolution status)
- gitleaks: allowlist backend/internal/square test fixtures (mock idempotency keys)

All 25 backend packages pass; frontend 55/55 + build clean; env-docs 41/41.
2026-08-22 00:34:50 +01:00
popertots 6d82535780 fix: adversarial review round — replay-rescue double-charge, discount credit, 2FA/per-IP limits, snapshot encryption, refund reconciliation, VAT, frontend parity, tests+docs
Addresses the adversarial fresh-eyes audit (findings A1-A20) plus review-round fixes:
- CRITICAL A1: replay-by-key rescue cross-checks replayed CreatedAt; ccof blind-fail leaves pending with CRITICAL + notification instead of clawing back
- A2/A3/A4: till idempotency key restored to unconditional hash; tip rejected in CreateBookingPayment; campaign discount now reduces the charged amount (deposit credit)
- A5: admin notifications on blind-fail, manual-refund re-arm, cap-stranded charge-group, webhook FAILED/REJECTED refunds
- A6/A10: BuyGiftCard idempotency user-scoped; gift-card slot scan advances past failed rows
- A7/A14/A15: 2FA user+IP limiter, SNAPSHOT_ENC_KEY startup validation, accurate pepper/log-delivery docs
- A8/A9: snapshot encryption on all write+reuse sites; MPV->SPV effective voucher type (single VAT point)
- A11/A12/A13/A16: amount-aware refund reconciliation; completed-booking refund re-validation; till retry dedup; PaymentWasRefunded on SquareClient interface
- A17/A18/A19/A20: CI runs npm test; confirm_overflow_tip frontend dialog; unknown-event admin notification; mock token redaction
- M7 ConfirmOverflowTip, M9 snapshot encryption, C1 discount ordering regression test
- Frontend vitest framework (41 tests), backend coverage for fixed functions, docs corrected (2,269 tests, SUPPORT_EMAIL tokens, resolution status)

All 25 backend packages pass; frontend 41/41; build + env-docs green.
2026-08-22 00:34:50 +01:00
popertots 67cf5b9a45 fix: review round 6 — P0 deposit charge, idempotency rotation, dev-safety guard, 2FA/webhook hardening
Sixth fresh-eyes review pass (5 agents: goal, QA, code-quality, security,
context-mining). QA FAILED the deposit-required new-card flow; the P0 root
cause was backend + frontend, now fixed. All 20 packages green.

P0 money-safety:
- Deposit-required bookings now actually charge the deposit on new-card
  payment. Two-part fix: (1) CreateBookingHandler re-reads the
  trigger-maintained total_amount/total_duration_minutes from the DB after the
  booking_services insert (the INSERT..RETURNING row predates the recalc
  trigger, so TotalAmount serialized as 0 and DepositPaid computed TRUE on an
  unpaid booking — the frontend gate trusted deposit_paid:true, never charged,
  and confirmed the booking with zero payment rows); (2) BookingFlow.svelte
  gates the confirmation view on depositPaid and guards against re-creating a
  booking on retry. Regression test
  TestBookings_Create_DepositPaidFalseOnUnpaidBooking.

Payments (idempotency + money):
- deriveBookingPaymentIdempotencyKey: no-client-key fallback now advances a
  sequence for repeatable types (partial) and rotates past refunded completed
  rows, so refund-then-repay and equal-amount partials diverge onto distinct
  keys; an un-refunded completed row keeps its key (double-charge protection
  holds). Dedup hits on refunded rows now 409, never stale success.
- chargeFailureStatus default is 503 (ambiguous), never 402; table test.
- Flaky TestBookingPayment_FullPayment_SplitsIntoDepositAndBalance fixed
  (ORDER BY payment_type).
- resolveChargeSource: orphaned card-on-file disabled via DeleteCardOnFile
  when SaveCardForUser fails (best-effort, redacted log); retry path preserved.

Square client:
- Dev builds HARD-FAIL (panic) on SQUARE_ENVIRONMENT=production without
  SQUARE_ALLOW_REAL_API=1; sandbox routes with a loud banner.
- Mock fault-injection FailAfterCommit (commit-then-5xx) exercises the exact
  lost-response same-key retry; SimulateCardTokenUsed; 45-char idempotency-key
  cap parity; SquareEnvironment/SquareLocationID shared env helpers used by
  the sweep (env contract no longer comment-only).
- listRefunds truncation now errors (money-sensitive reconcile retries
  instead of over-refunding); getCardsOnFile truncation loudly logged.

Webhooks + 2FA:
- square-environment header checked fail-closed (403) when configured env is
  production/sandbox; dispatch DB work bounded by 30s timeout contexts.
- 2FA codes HMAC-SHA256 pepper'd (TWO_FACTOR_PEPPER) with legacy-hash
  migration + upgrade-on-verify; disable-flow mint cooldown (1/min, 429) caps
  the brute-force loop; in-lockout records never LRU-evicted.

Repo hygiene:
- env-docs CI gate green again (FRONTEND_ORIGIN + SQUARE_ALLOW_REAL_API +
  TWO_FACTOR_PEPPER documented; Vite DEV built-in allowlisted).
- Dead square_deposits schema dropped; obsidian/README/legal-page drift fixed
  (consumeradvice.scot signposting, CORS allowlist, p11 R3/P13, T1).
- 2FA disable residual documented; P6 email/SMS delivery and P12 sandbox
  smoke test remain the pre-go-live gates.

Verification: go test -tags test,dev -count=1 -parallel 8 ./... (20/20 ok),
go build ./... + -tags dev, go vet clean, svelte-check 0 errors, env-docs
gate OK, live deposit-required flow re-verified end-to-end (deposit £11
charged, square_payment_id recorded).
2026-08-22 00:34:49 +01:00
popertots 9bb812669e fix: fresh-review round — 2FA deliverability, disable re-verification, GDPR batch scrub, dispute alerting, docs accuracy
Second fresh-eyes review pass (7 agents: goal, security, code-quality,
context-mining, webhooks+2FA, client+mock+sweep, refunds/giftcards/handlers).
Money-safety core verified sound (identical-body replay byte-lossless, clawback
gated on definitive proof, no double-charge window). This round fixes the
issues the fresh pass surfaced:

2FA:
- Setup now DELIVERS the code via the [2FA] server log in ALL modes (was:
  nothing in enforced mode -> production 2FA was an unbreakable dead-end and
  saved-card charges were permanently 403). Enforced mode still withholds the
  code from the API response; the log line is the fake delivery channel until
  email/SMS lands (P6).
- Disabling 2FA now requires a fresh verification code when enforcement is ON
  (previously ignored the code -> a password-only attacker could lift the gate).
  Shares the 5-attempt lockout and timing-safe compare. Dev bypass retained.
- REQUIRE_2FA parsing normalized (false/0/off/no, case-insensitive);
  startup warning extended to the empty-env/mock-client/enforced-2FA confusion.

GDPR:
- anonymize_user() SQL now scrubs two_factor_* columns + staff notes, so the
  idle-account batch cleanup (CleanupIdleAccounts) is erasure-clean, not just
  the user-initiated delete path.

Webhooks:
- dispute.created for an untracked Square payment now raises a
  critical_payment_log admin notification (chargeback the app can't reconcile
  is never silent). Reason strings truncated on rune boundaries (valid UTF-8).
  Stale at-most-once comment corrected; revertTillSaleGiftCardFunding
  duplication noted.

Sweep/mock parity:
- Mock CreatePayment dedup is now source-aware (IDEMPOTENCY_KEY_REUSED on
  source mismatch) matching ReplayPaymentByKey and real Square.
- COMPLETED-but-never-polled terminal till-sale checkouts are now recorded by
  the sweep (previously only booking checkouts were; till charges were
  invisible until the 24h blind-fail WARN).
- Legacy snapshot-less minimal-body replay, SQUARE_LOCATION_ID drift, and
  in-memory-mock-restart limitations documented.

Docs:
- Webhook path corrected everywhere (/webhooks/square, not /api/webhooks/square
  - a deployer following the old path would 404 and silently lose all webhook
  reconciliation).
- 2FA enforcement semantics + code-delivery mechanism documented accurately
  (fail-closed default; log-delivery channel; disable re-verification).
- README/User Manual note the 2FA requirement on online saved-card payments.

Tests: 2,151 (up from 2,142). Backend 26/27 packages green (crussell/db fails
only in this environment: local postgres doesn't offer scram-sha-256 for the
test role; package is byte-identical to HEAD and untouched here). Frontend
builds; svelte-check 0 errors.
2026-08-22 00:34:49 +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 4b28e93710 fix: tip double-count, fully-paid auto-completion, discount-refund hardening
Tip double-count (root cause of £33.75 vs £28.75 display):
- Remove mock's fixed +500p auto-tip when AllowTipping is true (square_dev.go) —
  real Square only enables a terminal prompt, it never adds a tip to the amount
- Set AllowTipping=false in CreateTerminalPayment: the frontend already embeds
  the tip in the amount, so the terminal must not prompt for a second tip
- M4 tip split now derives the tip as charged amount minus remaining booking
  value ('after 100% is tips'), not from Square's TipAmount field
- Success screens divide paymentResult.amount by 100 (pence -> pounds) in both
  PaymentModal and UserPaymentModal

Fully-paid bookings auto-complete:
- Extract ApplyBookingCompletionSideEffects into payments package (shared by
  admin progress endpoint and payment paths; avoids circular import)
- Add bookingIsFullyPaid + completeFullyPaidBooking: when completed non-tip
  payments reach 100% of the booking total, an active booking transitions to
  'completed' so it leaves the admin Current Appointment view
- Wired into CreateBookingPayment (inside tx) and GetCheckoutStatus (terminal,
  after commit); completion side-effects (loyalty, campaigns, deposits_required)
  fire identically to the manual progress endpoint
- Add /admin/bookings/{id}/refund route (AdminRefundBooking)

Discount-refund hardening:
- RefundPayment explicitly rejects discount/on_the_house payments (was relying
  on the incidental NULL-square_payment_id guard)
- Hide the Refund button for discount/on_the_house payments in EditBookingModal
- Cancel-refund estimate in BookingModal also excludes on_the_house
- Cancellation refund loop + GetBookingPaymentInfo + GetBookingRefundableAmountCents
  exclude payment_type='tip' from refundable totals

Tip flow (start-time guard) fixes tests:
- Tip tests updated to use past-dated bookings (tips now require booking started)

Tests:
- m4_tip_refund_redesign_test.go (tip split, refund exclusion, admin refund cap)
- m5_fully_paid_completion_test.go (online + terminal full-payment completion,
  partial stays active, tip excluded, cancelled stays cancelled)
- Full suite passes with -race (25 packages)
2026-08-22 00:34:49 +01:00
popertots 7f1c649f1e Apply second-round review fixes: idempotency-key length caps, stable-sentinel card keys, test-isolation, naming
Money-safety idempotency hardening (I1, wide):
- validate:"max=45" on CreateTerminalPayment/BookingPayment/Refund/Tip/
  BuyGiftCard idempotency keys (all feed Square's 45-char /v2/payments,
  /v2/refunds, /v2/cards caps); BuyGiftCard corrected from a wrongly-loose
  max=64. Till keeps max=64 (its key also feeds the 64-char terminal-checkout
  endpoint).
- Explicit 45-char guard in RefundPayment: the one handler that decodes
  RefundRequest without running the struct validator, so the tag alone was
  inert; a longer key would 400 at Square and be misclassified as a
  definitive refund decline.
- New TestIdempotencyKey_OverLength_RejectedAcrossPaymentHandlers covers all
  six endpoints (terminal saved-card, booking, tip, gift-card, till, refund).

Stable-sentinel card identity in idempotency keys (C1, wide):
- BookingFlow deposit key now uses the 'new-card' sentinel instead of
  embedding the cnon: nonce (matches UserPaymentModal/account). A re-tokenize
  after a spent nonce no longer regenerates the key, closing a lost-response
  double-charge window.
- TipPayment + UserBookingModal tip keys now include card identity
  (selectedCardId || 'new-card'); previously keyed on amount only, so a
  same-amount tip on a DIFFERENT card reused the key and deduped a distinct
  charge. Resets cleared in every success/close path.

Test isolation (R1): TestRefund_PendingResume_NewKeyAfterModalReopen no
longer t.Parallel — it swaps the package-level SquareClient mid-test and a
concurrent parallel test could observe the swapped instance.

Naming/quality (M1/M2/M4): resolveChargeSource local renamed savedRowID (was
shadowing the cardID *string parameter); BuyGiftCard fallback prefix
"till-" -> "gc-"; saved-card terminal response key "checkout_id" -> "payment_id"
(it holds a DB payment row, not a Square checkout) with matching frontend
fallback. README maintenance-job count corrected 24 -> 25.

Full suite 25/25 + race clean via run-tests.sh lockfile; svelte-check 0
errors/warnings; production build succeeds.
2026-08-22 00:34:49 +01:00
popertots a8d54f1e2a Fix review findings: aggregated-refund/saved-card/legacy-refund idempotency keys, structured Square error classification, CSP for Square SDK
Money-safety idempotency fixes (external review bugs 1-3):
- processChargeGroup: aggregated refund key now hashes the sorted pending-row
  set (chargeID-square-agg-<sha256 suffix>) so a changed group can never mark
  a new row completed against an old smaller refund; >45-char chargeIDs use a
  hashed prefix instead of verbatim truncation (which would collide charges on
  Square's global key dedup). Same-set crash-retry keeps Square's dedup.
- CreateTerminalPayment saved_card: two-tier idempotency key — client-supplied
  per-attempt UUID preferred (distinct identical charges no longer collapse),
  deterministic booking+type+amount+card fallback for no-key retry safety.
  PaymentModal sends a per-charge UUID cleared after success.
- ensureRefundKey: legacy NULL-key manual refunds persist a generated key to
  the row BEFORE the Square call (race-safe AND idempotency_key IS NULL guard),
  so a lost-response retry reuses the key and never double-refunds. Wired into
  resumeManualPendingRefund and the sweep's manual-retry loop.

Classification + money-safety hardening:
- till.go/sweep.go: structured square.ErrorCode/IsNotFound are authoritative
  when present; message-substring matching only for non-structured errors
  (dev mock, client-side status errors). Fixes fragile string-matching driving
  sweep retries and gift-card clawbacks.
- SaveCardForUser: ON CONFLICT (user_id, square_card_id) DO NOTHING + re-select
  (was a latent UNIQUE-violation 500 on save-card retry).
- CreateBookingPayment: partial payments re-validated against remaining balance
  inside the advisory lock (closes concurrent-overpayment race).
- InvalidateSquareCustomerCache on GDPR erasure paths (account.go,
  time-blockers.go stale-guest anonymization).
- GetUserGiftCardBalanceAdmin: in-handler admin check (defense-in-depth).
- getCheckoutHTTP: warn on multi-payment checkouts instead of dropping
  payments[1:].
- Cash/giftcard terminal branch: removed dead idempotency SELECT, "tip-" ->
  "till-" prefix.
- UserPaymentModal: removed vestigial polling state; proper interval cleanup.
- account/+page.svelte: gift-card redeem dialog links /terms.
- nginx CSP: allow *.squarecdn.com and js.squareup.com so the Square Web
  Payments SDK + card iframe can tokenize behind the proxy.

Tests: +8 regression tests covering changed-set refund keys, legacy NULL-key
single-refund, saved-card client-key dedup/no-dedup, concurrent partials, and
cache invalidation. Full suite + race detector clean via run-tests.sh lockfile.
2026-08-22 00:34:49 +01:00
popertots 2a78383a2d Expand payment remediation test coverage
Adds tests for chargeFailureStatus retryable-vs-definitive classification (429/408/425 -> 503, 4xx declines -> 402), legacy NULL-key refund resume, tip/discount split-record math, and the shared charge helpers adopted by till and gift-card paths.
2026-08-22 00:34:49 +01:00
popertots 738f6b6a51 Expand payment test coverage: lock contention, nonce-direct, provisional rows, GDPR scrub, validators
Close the coverage-gap round: terminal CreateCheckout-failure marks the provisional row failed, GetCheckoutStatus reference_id mismatch 400, deadline wire shape, concurrent loyalty redemption 409, delete_guest_user + stale-guest saved-card scrubbing, ValidateAmount and isTokenLike direct units, bounded try-lock timeout, buildSplitRecords tip-overflow, and concurrent same-key dedup for gift card / booking / tip / checkout.
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 7439fa86c1 Fix payment review round 3: saved-card idempotency, stale-pending sweep, webhook fail-closed
R1/R4: saved_card branch in CreateTerminalPayment now mirrors CreateTipPayment
- advisory lock (crussell:payment:<bookingID>) serializes concurrent double-clicks
- deterministic key bookingID-sc-type-amount-cardID (<=45 chars) so a lost-response
  retry derives the same key and dedups instead of double-charging
- idempotency switch inside the lock: completed -> dedup, pending -> reuse with
  pence amount-guard, failed -> clean 409
- success response includes card_brand/card_last4 (frontend already reads them)

R2: add 'failed' case to all four retry switches (tip, booking, gift card, till)
- a swept/definitively-rejected record returns 409 instead of 500-ing on the
  idempotency_key UNIQUE constraint

R3: extend SweepStalePendingPayments to till_sales card rows
- sweeps pending till_sales (online_square/in_person_card) past Square's ~24h
  key retention, closing the double-charge window for till sales
- swept rows logged with the same CRITICAL manual-reconciliation marker as the
  refund sweep

Webhook fail-closed: reject 503 when SQUARE_WEBHOOK_SIGNATURE_KEY unset, 403 on
bad signature (was: skip verification in dev)

Refund status resolution: refunds now resolve by Square status
(COMPLETED/PENDING/FAILED/REJECTED) instead of assuming completed; real error
codes (REFUND_AMOUNT_INVALID, PAYMENT_NOT_REFUNDABLE, REFUND_ALREADY_PENDING)
added to the definitive/processed classification

HTTP client: CreateCard key truncated to <=45 chars, device_options always sent
(env SQUARE_TERMINAL_DEVICE_ID fallback), processing_fee reads amount_money,
ListCards cursor loop, refund keys hashed to <=45 chars

Other fixes: payment/till/gift-card advisory-lock + FOR UPDATE asymmetries,
GetPaymentByID NULL scans, loyalty redemption lock, card upsert on conflict,
mock ccof: prefix parity, IsValidSquareCheckoutID for real Square IDs,
isAdminRequest defense-in-depth on all 6 admin payment handlers, webhook
signature docs, M8/L5 debug markers removed

Docs: README/FC/TM/Overview updated (22 jobs, 20 CRITICAL sites, 23-section
GDPR export, sweep jobs, webhook fail-closed); P11 plan marks remaining items
(sandbox smoke test, M-8 customer_id, saved-card key dedup trade-off) as
deferred with rationale; gap backlog pruned of completed items
2026-08-22 00:34:49 +01:00
popertots 9ff591fa4e Fix payment review round 2: refund idempotency, pending-resume safety, terminal-completion lock
Refund idempotency (P2):
- RefundRequest gains an optional client idempotency_key: two DISTINCT equal
  partial refunds of one payment no longer collide on the amount-derived key
  (the second was silently swallowed as a dedup)
- Extract resumeManualPendingRefund: resumes a pending refund with the row's
  OWN stored key, so Square's key dedup returns the original refund if the
  prior attempt completed — never issues a second
- (payment, amount) pending fallback: when the exact-key lookup misses (admin
  reopened the modal, new UUID), resume the matching pending row instead of
  creating a second pending row the sweep would double-process
- 409 in-flight guard: if a pending refund exists for the payment but no
  same-amount row matches, reject a different-amount refund (money state at
  Square is unknown — no new refund is safe until it resolves)
- Frontend (EditBookingModal): UUID per refund attempt, reused on retry,
  mirroring the tip flow

Terminal completion (P3):
- GetCheckoutStatus serializes on pg_advisory_lock('crussell:terminal:' ||
  SquarePayID) on a pinned connection — concurrent polls of the same checkout
  can no longer both pass the dedup SELECT and race the UNIQUE constraint

Card-on-file / doc-only:
- Document why CreateCardOnFile is NOT rolled back on payment failure
  (deterministic sha256 retry returns the same card; deletion breaks it)
- Document HasCompletedPayment's deliberate 'tip' exclusion

Regression tests:
- TestRefund_TwoEqualPartialRefunds_ClientKeyDisambiguates
- TestRefund_PendingResume_NewKeyAfterModalReopen (proves stored-key resume)
- TestRefund_PendingResume_DifferentAmountRejected (409 + no second row)
- TestRefund_GuardCountsPendingRefunds updated: 400 -> 409 (in-flight guard
  fires first — strictly safer, blocks before any Square attempt)
- TestGetCheckoutStatus_ConcurrentPolls_SingleRecord (real two-goroutine race)
2026-08-22 00:34:49 +01:00
popertots ae8735ba2f Close refund system and gate raw-PAN card entry
Refund system (Round 3 fixes + follow-up + alignment):
- Serialize cancellation refunds against the manual handler via
  per-payment advisory locks taken before the prior-refunds read
  (pg_advisory_xact_lock, ascending, same crussell:refund: key space)
- Aggregate pending cancellation refunds into ONE Square refund per
  charge (stable charge-level -square-agg key); atomic group UPDATE
  keeps crash-retry amounts identical for Square key-dedup
- Persist paymentID-square-amount idempotency keys on cancellation
  refunds; scheduler reads the stored key (legacy fallback for old rows)
- Add sweep-pending-square-refunds cron (*/5, concurrency 1) with
  refund_attempts cap; sweep retries stale manual pending refunds with
  each row's own stored idempotency key
- Reconcile at Square (GET /v2/refunds ListPaymentRefunds) before every
  terminal failed transition: tri-state result leaves rows pending on
  reconcile error instead of false-failing; PAYMENT_ALREADY_REFUNDED
  resolves to completed
- Move over-refund guard inside the lock, counting completed + pending
  (excluding failed); ErrRefundDeclined distinguishes definitive vs
  ambiguous outcomes
- forgiveFees now executes a real full refund (forceFullRefund override)
  with admin_forgiven_fees reason threaded to Square
- Surface failed card refunds in the admin notification centre
  (refund_failed enum, RETURNING-id pre-pass inserts, NOT EXISTS dedup)
- Dedup double-cancel refund inserts via ON CONFLICT (idempotency_key)
  DO NOTHING without consuming refundRemaining

Frontend:
- Remove all raw-PAN card entry: zero card_number/card_cvc/new_card_token
  in request bodies; gate new-card entry behind CardEntryUnavailable
  notice + newCardDisabled prop across all 8 flows
- Delete hand-rolled CardInput.svelte; keep CardSelection saved-card UI
  and CardEntryUnavailable fallback
- Update cancellation-policy page to in-person cash pickup wording

Tests:
- Rewrite the two amount-blind dedup tests to assert real money movement
  (single call, aggregated amount, shared refund ID)
- Add coverage: manual refund vs cancellation serialization (concurrent
  goroutines), reconcile error vs no-match branches, stale manual retry,
  forgive-fees real refund row + reason, double-cancel dedup, mock refund
  key dedup, ListPaymentRefunds filtering
- Fix time-dependent booking flakes with fixtures.NextWorkingDayAt
- 25/25 packages pass; -race clean on payments/square/db/jobs/bookings
2026-08-22 00:34:49 +01:00
popertots 54f6bf3c1a Fix P0/P1 review findings: truncation, raw-PAN API edge, refund lock, till pending-retry, idempotency keys
P0 — float truncation: applied math.Round to all remaining int64(x*100)
sites (till penceAmount, refund over-refund guard, GetAlreadyRefundedAmount,
payment summary conversions). A £1.14 till sale previously charged 113p.

P0 — raw PAN stopped at the API edge:
- Deleted CardNumber/CardExpMonth/CardExpYear/CardCVC from TillSaleRequest
  and CardNumber/Expiry/CVC from CreatePaymentMethodRequest. Both now accept
  card_token (Square nonce) and return 400 when absent. PAN+CVV no longer
  transit the application server (PCI-DSS SAQ-A scope).
- Deleted CreateCardOnFileRaw from the SquareClient interface and all
  implementations (MockClient, ProdClient, devProdClient).
- Added idempotency_key column to refunds table (UNIQUE).

P0 — RefundPayment hardened: advisory lock on payment ID (prevents two
concurrent refunds passing the over-refund guard), pending-refund-record-
then-Square pattern (scheduler reprocesses on failure), same-key dedup.

P1 — till sale pending-retry now re-attempts the Square charge instead of
returning the stale 'pending' status (gift card was already funded in the
committed tx — silent money loss otherwise). Sale row reused, not duplicated.

P1 — idempotency key caching in frontend: BuyGiftCard and
UserPaymentModal/BookingFlow now cache the key per amount+card, regenerated
on change and cleared on success — matches the tip-flow pattern so a
lost-response retry dedups instead of double-charging.

P1 — CreateTerminalPayment cash/giftcard INSERTs now persist idempotency_key.
Key is unique per payment (booking+type+amount would wrongly dedup two
legitimate identical payments, e.g. two £50 cash receipts).

P1 — gift-card codes no longer logged (spendable credential; value+recipient
only).

Tests: till pending-retry re-attempt, refund same-key dedup, mock CreatePayment
idempotency dedup, CreatePaymentMethod nonce happy path + raw-PAN rejection,
till online_square card_token required/valid.
2026-08-22 00:34:49 +01:00
popertots d54f526b56 Fix tip retry amount guard false 400 on non-exact pence values
The pending-retry amount guard compared pence via int64(pounds*100),
which truncates instead of rounding. For non-exact pound values (e.g.
£1.14 stored as the float64 1.1399999999999999) the truncation yields
113 != 114, falsely rejecting a legitimate same-amount retry with 400.
Since the frontend reuses the idempotency key on same-amount retries,
every retry was rejected, permanently stranding the pending record
(and any orphaned Square charge) with no recovery path.

Fix: compare in pence via math.Round — the existing pattern already
used in refunds.go — so non-exact values round to the true pence.

Also applied the same correction to the sibling lossy conversions:
- CreateTipPayment / CreateBookingPayment completed-dedup responses
  (would have reported 113p for a 114p payment)
- BuyGiftCard retry amount guard (latent: £10/£20/£50 are float-exact
  so it never bit, but the identical trap is now closed)

Tests:
- TestTipPayment_RetryPending_NonExactAmountSucceeds: 114p pending
  record + same-amount retry completes and charges 114p (failed on the
  old truncation with 400)
- TestTipPayment_RetryPending_AmountMismatchRejected: a same-key retry
  at a different amount is still rejected with 400 and the pending
  record is left untouched

Verified: full backend suite green (25/25 packages, 0 failures),
-race clean on handlers/payments, go build + go vet clean.
2026-08-22 00:34:49 +01:00
popertots 3db8b54923 Fix silent tip/gift-card money loss on pending retry; terminal checkout wire; sentinel error; docs
CRITICAL — same-amount tip retry silently never charged:
- CreateTipPayment idempotency check now only short-circuits when the
  existing record is 'completed'. A 'pending' record (previous Square call
  failed) is REUSED and the charge re-attempted with the same key (Square
  dedups safely), instead of returning the stale pending record as 200 with
  a success toast and no charge.
- Same fix in BuyGiftCard: pending records trigger a re-attempt, not a
  false-success response. Unique idempotency_key constraint means the
  pending record must be reused, not re-inserted.
- Fixes the savepoint/rollback interaction: the nested tx (savepoint) is
  now committed in the reuse path so the deferred rollback doesn't undo the
  later status UPDATE on the same connection.
- Regression test: TestTipPayment_RetryPending_ReattemptsCharge verifies a
  pending record + same-key retry re-attempts and completes, reusing the
  record (count stays 1).

MAJOR — terminal checkout wire contract:
- device_id now sent as checkout.device_options.device_id (Square's required
  shape), not a top-level field which Square rejects with 400.
- 'checkout pending' detection now uses typed sentinel ErrCheckoutPending
  with errors.Is in both handlers, matching mock and real HTTP client.

MAJOR — exp_month/exp_year omitted from card creation payload when unset
(now *int with omitempty) — Square would 400 on 0/0; expiry comes from the
tokenized source.

Docs:
- README payments/infrastructure sections corrected (Web Payments SDK claim
  replaced with accurate P11-backlog note; dev mock parity described)
- Future Work P11 updated to reflect raw-PAN rejection is now enforced in
  both mock and prod (new-card flows are a documented dead end)
- Added plans/p11-square-web-payments-sdk.md: full implementation plan +
  handoff prompt for the agent picking up P11 (Web Payments SDK nonces)
2026-08-22 00:34:49 +01:00
popertots bbb55dae82 Match dev mock to production: reject raw PAN card creation (PCI-DSS parity)
Previously the dev MockClient was more permissive than production:
- MockClient.CreateCardOnFileRaw processed raw PANs and stored mock cards,
  while ProdClient and devProdClient both block raw PANs. A dev testing the
  raw-card flow saw it succeed, masking a production failure.
- MockClient.CreateCardOnFile accepted raw PANs as source_id via an
  isAllDigits branch. Real Square only accepts cnon:xxx/ccof:xxx tokens.

Now the mock behaves identically to production:
- CreateCardOnFileRaw returns the same PCI error as ProdClient
- CreateCardOnFile validates source_id is token-like (cnon:/ccof:) and
  rejects raw PANs
- Removed dead isAllDigits helper

Tests updated to assert the parity behavior:
- TestDevClient_CreateCardOnFileRaw_Rejected_ProdParity (table-driven,
  replaces 5 brand-specific raw-PAN tests)
- TestDevClient_CreateCardOnFile_RejectsRawPAN (replaces RawNumber)
- TestCreatePaymentMethod_HappyPath / SecondCardNotDefault now expect
  500 instead of 200, documenting the prod block
2026-08-22 00:34:49 +01:00
popertots 28f0ddb328 Fix tip amount-change false dedup, wire BuyerEmail everywhere, clear ESLint errors
Money-moving fixes:
- Tip idempotency key regenerates when the tip amount changes after a failed
  attempt (all 3 tip flows). Cached key still reused on same-amount retry
  (dedup intact) and cleared on success/modal reset. Prevents silent
  under-charge when a user retries at a different amount.
- Till replay path returns actual till_sales.status (may be 'pending') instead
  of hardcoded 'completed' — no more misreported successful charge.
- BuyerEmail wired for CreateBookingPayment, gift card purchases, and till
  sales (saved_card + online_square), matching the tip flow. Email lookup
  errors logged, non-fatal.
- Till buyer-email errors now logged (was silently swallowed).
- on_the_house till top-up uses cached getIdempotencyKey() for retry-safe dedup
  (was fresh crypto.randomUUID()).

Test/validation fixes:
- Add TestPaymentFromSquare_* unit tests (else-branch + nil card details),
  build tag relaxed to 'test' so they run in the standard dev suite.
- Add TestValidateCardInfo table test (7 cases: both/either/neither/empty).
- Add TestCreateTillSale_TwoIdenticalCreateSales_BothSucceed regression test.
- Remove dead mock pre-registration in TestTipPayment_WithSavedCard.
- Correct misleading till regression-test comment.

ESLint cleanup (12 errors -> 0):
- Remove unused loadingCards in tip + pay-tip pages (dead assignments in
  loadSavedCards).
- Scoped eslint-disable for {@html} in CardBrandIcon (hardcoded brand SVGs).
- Remove dead confirmSaveDefaultHours + unused rescheduleVersion prop in
  WeeklySchedule (and its parent pass-through).
- Replace new Date() with SvelteDate in WeeklySchedule + BusinessHours.
- Fix each-block key in BusinessHours skeleton loader.
- Use void expression for reactivity-tracker reads in effects.
2026-08-22 00:34:49 +01:00
popertots 2459ddc919 Fix review findings: expiry bug (all 8 files), idempotency keys, card_expiry/card_cvc removal, URL encoding, BuyerEmail logging, ValidateCardInfo, saved-card test, future work doc
Backend:
- Fix refund idempotency key: clock.Now() → deterministic (pr.ID + amount)
- Fix ValidateCardInfo: enforce mutual exclusivity, handle empty strings symmetrically
- Fix paymentFromSquare brand fallback (remove dead SourceType fallback)
- Fix URL encoding: PathEscape → QueryEscape for customer_id query param
- Fix BuyerEmail: log warning on DB error instead of silent discard
- Fix idempotency key in createCardOnFileHTTP: time.Now() → deterministic hex hash
- Add BuyerEmail to CreateTipPayment Square request
- Move realBaseURL from shared file to square_dev.go (only used in dev)
- Add TestTipPayment_WithSavedCard test (card_id path coverage)
- Fix AMEX brand in mock (AMEX → AMERICAN_EXPRESS, fix test)

Frontend:
- Fix off-by-month expiry bug in ALL 8 files using year-month arithmetic
  (parseExpiryParts returns 1-indexed, SvelteDate expects 0-indexed)
  Files: tip/+page, pay-tip/[id], UserBookingModal, UserPaymentModal,
  BookingFlow, account/+page (add card + buy gift card sections)
- Remove card_expiry/card_cvc from tip request bodies (backend has no fields)

Docs:
- Mark P9 (placeholder tokens) as completed, add P11 (Square Web Payments SDK)
- Mark T13 (rune arithmetic) as completed
2026-08-22 00:34:49 +01:00
popertots 4abcb324c9 Square payment integration: real HTTP client, tip flow rewrite, card UI/validation overhaul
Backend:
- Create square_http_client.go: real Square REST API client (Payments, Terminal Checkouts, Refunds, Cards, Locations) with proper JSON types, auth, error handling
- Update ProdClient in square.go to delegate to shared HTTP functions
- Wire devProdClient in square_dev.go to also make real HTTP calls for sandbox/prod env
- Rewrite CreateTipPayment handler: accept card_id OR new_card_token (+save_card), advisory lock, idempotency check, max amount validation
- Add ValidateCardInfo, bump ValidateAmount max to £10,000
- Fix mock CreateCardOnFile to detect brand/last4 from raw card numbers
- Fix mock RefundPayment to index by SquarePayID and accept unknown payment IDs
- Remove dead types (ProcessingFee, sqAddress), add Deadline parity
- Fix AMEX brand inconsistency (AMEX -> AMERICAN_EXPRESS)
- Pre-existing fix: remove unused context import in giftcards.go

Frontend:
- CardInput.svelte: add onfieldblur/onfieldinput callbacks for blur-based validation
- CardBrandIcon.svelte: brand SVGs for VISA, MC, AMEX, Discover, Diners, JCB, Square Gift Card, UnionPay, Interac, EFTPOS
- tip/+page, pay-tip/[id], UserBookingModal tip: saved card list + CardInput + Luhn/expiry/CVC validation + blur-based errors + no-saved-cards edge case
- UserPaymentModal, BookingFlow: card validation parity (blur-based, all-valid check)
- account page: replace text brand badges with CardBrandIcon
- Fix handleCustomTip bug (state mutations outside if block)
- Remove dead pageState variable
- Add tip modal scroll (max-h-[90vh] overflow-y-auto)
- Submit button disabled on !isCardValid

Tests:
- 30 square package tests (+new: CreateCardOnFile raw number path, detectCardInfo variants)
- 5 tip handler tests (HappyPath, NoPriorPayment, WrongOwner, MultipleTips, TxFailure)
- All +-race clean, refund tests fixed
2026-08-22 00:34:49 +01:00
popertots 0bef0f7973 fix: remove redundant rollback, document asymmetry in cancellation notifications
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2026-07-11 17:45:24 +01:00
popertots ad15127777 fix: remove nonDepositPaymentType dead code, wire dead handlers to routes 2026-07-11 15:01:26 +01:00
popertots 3029fd5179 test: add coverage tests across backend + fix mock for PENDING checkout support
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New test files cover previously untested paths across DAV, validators,
S3, Square, mw, bookings, user, and payments packages.

Includes mock fix: HoldCheckouts flag on MockClient allows tests to
pause auto-complete goroutine for testing PENDING checkout states.

Coverage: 50.4% → 65.0% (+14.6pp)
2026-07-10 18:13:44 +01:00
popertotsandSisyphus 510828c924 chore: run go fix for Go 1.26 modernization
CI / Go vulnerabilities (push) Successful in 1m10s
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106 files: interface{}→any, strings.Split→SplitSeq, CutPrefix/Cut, strings.Builder, slices.Contains, remove redundant // +build directives, gofmt import ordering and indentation.

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>
2026-07-09 17:25:23 +01:00
popertotsandSisyphus 7b24f8e484 refactor(payments): integrate VAT into gift card buy flow and wrap in transactions
Refactor BuyGiftCard to insert pending payment before Square call with VAT applied. Add transaction wrapping to gift card handlers. Remove redundant Content-Type header sets. Migrate all time.Now() to clock.Now().

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>
2026-06-24 23:43:40 +01:00
popertotsandSisyphus 220a0ef6e8 refactor(backend): update test files for PoolProxy and per-test transactions
Migrate all test files from SetupTestDB/db.DB pattern to per-test transactions:

- Replace SetupTestDB(t) with SetupTestTx(t) for context + transaction
- Replace db.DB.Query/QueryRow/Exec with tx.Query/QueryRow/Exec
- Replace context.Background() with context from SetupTestTx
- Replace defer rows.Close() pattern with explicit rows.Close()
- Add testdb.SeedBaseline(pool) to all TestMain functions
- Wire db.Conn = db.NewPoolProxy(pool) in all TestMain functions

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>
2026-06-21 19:29:24 +01:00
popertotsandSisyphus b03c4f6247 refactor(backend): replace resetTestData with SetupTestDB and add new tests
Migrate all test files from resetTestData(t) to testutils.SetupTestDB(t) for isolated per-package test databases.

- Add new feature tests: name history assertions, referral discount preview,
  time blockers, email validation, GDPR export, loyalty manual redemption
- Update existing tests to use batch queries and SetupTestDB
- Remove test_helpers.go resetTestData infrastructure
- Add comprehensive user profile tests (442 new lines)

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>
2026-06-20 16:57:36 +01:00
popertotsandSisyphus 31cc3ef5c3 feat(backend): update payments handlers and service
Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>
2026-06-18 16:26:29 +01:00
popertotsandSisyphus 30ded0bb95 feat(payments): add gift card system v2 with management, expiry, inventory, audit log
Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>
2026-06-11 22:08:18 +01:00
popertotsandSisyphus 4a37fd6396 fix: payment API amount precision (pence), partial validation, and create payment method endpoint
Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>
2026-05-25 18:03:55 +01:00
popertots 2e1ab9d745 feat: Square payment integration, booking flow redesign, and timezone/weekday fixes
- Add Square payment integration (mock + handlers + UI): terminal/online payments,
  refunds, tips, saved cards, webhooks. Build-tagged dev/prod clients.
- Redesign booking flow: Step 4 conditional (deposit only), Step 5 confirmation
  screen with booking ID, auto-submit on transition.
- Redesign schedule modal: 2x3 button grid with Pay Deposit/Pay Early logic.
- Add deposit warning banner at Step 1 for users with outstanding deposits.
- Fix weekday conversion bug: Go 0=Sunday vs DB 0=Monday mismatch in 6 locations.
- Fix timezone bug: UTC vs London time in closing hours validation.
- Fix frontend error parsing: plain text backend errors now displayed correctly.
- Fix crypto.randomUUID fallback for environments without Web Crypto.
- Add 7 new regression tests: closing hours, advance check, active booking limit,
  weekday conversion, UTC/London, deposit snapshot, exceptional hours.
- Fix 3 flaky tests: dynamic dates instead of fixed, no-show timing.
2026-05-23 11:29:34 +01:00