A stepped ("up-to") default card prices the whole stay as one total, so the V2
engine short-circuits to steppedFee and NEVER consults windowed cards — any
time/seasonal tiers would silently never fire. Found live: an active tariff had a
stepped base plus weekday-night + weekend tiers, and every 3h stay priced 600 ALL
regardless of hour/day because the tiers were dead.
- validateTariffV2 now rejects a stepped defaultCard combined with windowedCards,
with an actionable message (switch the base to ladder/flat, or remove the tiers).
- Composer shows an inline red warning the moment base mode is stepped and tiers
exist; publishing is blocked server-side regardless.
- ApiError now carries the server's problems[], so the publish error surfaces the
SPECIFIC reason instead of a generic "invalid tariff structure".
- 2 new validation tests (55 pass).
Wiki: tariff, log.
Claude-Session: https://claude.ai/code/session_01Xcm6ikLgGoCxxHrxtjkk5V
Owners often state rates as a total-by-duration matrix (0-1h=200, 0-3h=500,
0-6h=800, 0-9h=900, 0-12h=1000) that the marginal hourly ladder can't express
(the ladder sums per-increment rates; this is cumulative totals at thresholds).
Add STEPPED as a third pricing mode alongside the ladder and flat.
- @parking/shared: TariffStep {uptoMin, totalMinor} + a `steps[]` field on V1
structures and V2 cards (mutually exclusive with blocks/flatMinor). steppedFee():
smallest tier with uptoMin >= duration wins (INCLUSIVE boundary), the top tier
repeats as a per-day cap; wired into computeFeeV1 + computeFeeV2 (V2 default card
only — a whole-stay total can't be sliced per-increment by a windowed card).
Validation: ascending uptoMin, non-negative totals, no daily-cap-with-steps,
steps-only-on-default. priceSession/quote/booth/Lab price it via the shared core.
- Composer UI: a "By duration (up-to)" mode with an up-to/total table (base card
only). i18n modeStepped/steppedHint/stepUpTo/stepTotal/addStep (sq+en).
- 8 new unit tests incl. the exact owner matrix, multi-day repeat, overstay, and
validation (53 pass). Verified end-to-end via the UI: authored + published the
matrix, Tariff Lab prices it exactly (3h->500, 6h->800, 12h->1000, 2d->2000).
Wiki: tariff (three pricing modes + stepped semantics), log.
Claude-Session: https://claude.ai/code/session_01Xcm6ikLgGoCxxHrxtjkk5V
Test rates "in time" (overnight windows, daily caps, overstay) in seconds against
any tariff version, instead of waiting hours/days. No real ledger writes.
- Extract priceSession() into @parking/shared: the grace/overstay wrapper over
computeFee (unpaid -> entry..now; within-grace -> settled 0; grace-expired ->
overstay, a fresh period from grace-expiry). PayStation.quote() now calls it so
the booth and the lab can never diverge.
- API (tariffs.ts, tariff:read, read-only): POST /api/tariff/simulate prices a
hypothetical session (active/any version/inline structure) and returns the
priceSession outcome + a 30m..3d duration curve (see where the daily cap flattens);
GET /api/tariff/simulate/session/:identity prefills from a real ledger session.
- UI TariffLab.tsx at Setup -> "Tariff Lab": version picker, entry/asOf times,
optional payment+grace, category, and load-a-real-ticket. Admin-gated, available
on-site (useful to quote a dispute).
- 4 new priceSession unit tests incl. the ticket-1245791632490 overstay-not-zero
regression (40 pass). i18n lab.* + nav.tariffLab (sq+en). Verified live via the UI.
Wiki: tariff (priceSession + Tariff Lab as-built), log.
Claude-Session: https://claude.ai/code/session_01Xcm6ikLgGoCxxHrxtjkk5V
Rework paid-but-grace-expired sessions and add booth filters.
Overstay (was "stuck"):
- Stop silently aging out a paid transient whose walk-back grace lapsed with no
signed exit. Keep it listed with an OVERSTAY badge — a new parking period began
(re-parked) or the car is faulty/abandoned; it is not a system fault.
- No free exit: reopenBarrier refuses server-side once a transient's payment grace
has expired (allow only subscription OR paid-and-within-grace); the UI hides the
Open-barrier button on overstay rows and routes to the pay/exit modal. Closes a
hole where a stale payment authorized a free multi-day exit (operator-as-adversary).
- Price the overstay as a NEW period from grace-expiry -> now with its own daily-cap
ladder, NOT "full stay minus paid" (which a daily cap collapsed to 0 — ticket
1245791632490 owed ALL 0; now owes its real overstay). quote() gains periodStart +
overstay; SessionLookup/ActiveSession gain `overstay`. handlePayAndExit charges
whenever the session is payable (was: only if !alreadyPaid, skipping the overstay).
Filters (new ui/FilterBar): Active Sessions — search + status
(unpaid/paid/exiting/overstay) + transient-vs-subscriber. Live feed — search +
event (entry/exit/pay/void/anomaly) + direction + source (booth=manual vs reader).
All client-side over already-fetched data; matched/total count shown.
i18n parity (sq+en). Wiki: booth-exit-flow updated (overstay model, naming history,
no-free-exit security fix, new-period pricing; open question on grace-renewal noted).
Claude-Session: https://claude.ai/code/session_01Xcm6ikLgGoCxxHrxtjkk5V
Sync the two canonical reference pages with this session's features: local-jwt-auth
gains the new log resource / log:read permission in the RBAC grid (links app-logs);
first-run-setup notes the one-car-one-ticket presence-loop/cooldown guard the admin
configures on a relay (links entry-double-press).
Claude-Session: https://claude.ai/code/session_01Xcm6ikLgGoCxxHrxtjkk5V
Three booth-integrity improvements that share the entry/exit flows and activity log.
Refusal snapshots: previously only an accepted open captured a camera image; now
every refusal/hold anomaly fires the directional camera too (a turned-away car is
exactly the evidence wanted) — entry refused-full/held, exit refused
closed/no-session/unpaid/grace-expired (booth + reader paths), refused subscription.
A refused entry has no ticket id, so a synthetic REFUSED- ref keys the anomaly + photo
together. Same fire-and-forget contract; failed captures still show as tiles.
Subscriber access medium: the subscription flow already signed `via`
(qr|card|plate) into entry/exit payloads; surface it as a typed LedgerPayload.via, a
cyan chip in the ticker, and an "Entry medium" modal row (sq+en). Display-only.
One car = one ticket: the entry button could be mashed to mint many tickets per car
(corrupting occupancy + enabling ticket-shopping at exit) — the old #inFlight guard
only blocked overlapping presses. Add a per-relay guard configured on the relay spec:
PRESENCE mode (presenceInput ties ticketing to a vehicle loop on a Dingtian input —
one ticket per car, re-armed when the loop clears) or COOLDOWN fallback
(entryCooldownSec) when there's no barrier feedback. A suppressed press is unsigned
device_events telemetry, not a signed anomaly. SetupWizard exposes both fields.
Fail-closed entry and barrier-is-not-a-door invariants untouched; guard state is
in-memory/rebuildable, starts armed after restart.
Wiki: new entry-double-press; updated entry-exit-points, booth-console, index.
Claude-Session: https://claude.ai/code/session_01Xcm6ikLgGoCxxHrxtjkk5V
Add a third data stream (app_logs), distinct from the signed ledger and device
telemetry, for operational/diagnostic logs — an offline appliance has no Sentry to
ship to, so the host is the log store.
Backend: a pino stream tees warn/error/fatal into app_logs (info/debug stay
stdout-only) with no call-site change; the DB is built before Fastify so the logger
has its sink. Frontend (lib/logger.ts): ships failed API requests (minus 401 churn),
window.onerror, unhandledrejection, and a top-level React ErrorBoundary; console
warn/error forwarded only at debug/trace. Batched/throttled POST, sendBeacon on
pagehide, loop-safe (never logs the /api/logs call), best-effort everywhere.
POST /api/logs (any signed-in user, CSRF, tolerant) + GET /api/logs gated by a new
log:read permission (new `log` RBAC resource; admin holds it). Retention: pruned by
age + row cap, hourly + at startup. UI: a Logs screen under /setup (filter
level/source/since, expand to context+stack), sq+en. Migration 0009_app_logs.
Verified end-to-end via app.inject: login -> POST 204 -> GET 200 with the record;
backend warn/error persisted, info dropped; non-admin GET 403 / POST 204.
Claude-Session: https://claude.ai/code/session_01Xcm6ikLgGoCxxHrxtjkk5V
After a completed payment the customer always gets a transparency record:
entry time, payment time, duration parked, amount + tender. One shared
ESC/POS renderer (renderReceipt + ReceiptData in @parking/devices), two
modes: VOUCHER = those figures PLUS the scannable Code128 barcode and an
emphasised walk-back-grace line, so the one slip both proves payment and
self-exits at a distant exit reader (replaced the old barcode-only voucher);
STANDALONE = detail-only, auto-printed at payment when no voucher is issued.
Figures fold from the SIGNED ledger (latest payment event); printed on the
booth printer (failover to dispenser). Best-effort: a printer fault never
blocks the exit that already happened — the modal shows a note and offers
"Reprint receipt".
Server: booth-print.ts printPaymentReceipt() + receiptFigures(); routes
POST /api/voucher (voucher) + new POST /api/receipt (standalone/reprint).
Both ESC/POS drivers gained printReceipt(). Web: BoothPayModal auto-prints
after a non-voucher payment + reprint button; api.ts printReceipt().
CP852 fixes found on a real printout: (1) uppercase Ë was mapped to 0xEB
(that's ű) — correct byte is 0xD3; (2) Intl.NumberFormat injects a NO-BREAK
SPACE (U+00A0/U+202F) that isn't in CP852 and printed as "?" — line() now
normalises it to a plain space ("1000 Lekë"); (3) grace line wrapped
mid-word — split into two short lines.
Full build green; both receipt modes render-verified; routes live.
Claude-Session: https://claude.ai/code/session_01Xcm6ikLgGoCxxHrxtjkk5V
The Cashino 80mm printer reported wrong status: it ran on the `rongta`
driver, whose readStatus() scrapes the Rongta board's /prn_stat.htm status
page — which the Cashino does not serve — yielding a bogus degraded/page-
error verdict while the printer was online and printing fine. Root cause:
the Cashino is an ESC/POS PRINT clone with no trustworthy STATUS mechanism.
Fix: extract the shared ESC/POS rendering + transport (renderTicket/
renderReport/renderSubscriptionCard/sendRaw/probe + CP852 map + code128/
qrCode) from printer-rongta into drivers/printer-escpos.ts, and add a
dedicated `cashino` driver that reuses that print path but is deliberately
NOT MonitorableDevice (no readStatus). isMonitorable() is then false, so the
device monitor falls back to healthCheck() — a plain TCP reachability ping:
reachable -> ready, unreachable -> offline, never a guessed paper/cover
state it cannot sense. Rongta driver unchanged (still scrapes its page,
still monitorable). Register + re-export cashinoDriver.
Verified at runtime (cashino registered, isMonitorable=false, no readStatus,
healthCheck->offline on unreachable) and live: /api/devices/status shows both
printers ready (lane via ping, booth via page). The live entry-dispenser at
10.0.10.9 was switched rongta->cashino in the operator DB (backed up).
Also fix the Albanian device-role chip wording, which read wrong as a
"{category} {role}" label: access mixed "i përzier" -> "hyrje/dalje"
(it means a barrier spanning both directions); printer lane "korsia" ->
"në korsi"; booth "kabina" -> "në kabinë". English tidied to match
(mixed->entry/exit, lane->at lane, booth->at booth).
Claude-Session: https://claude.ai/code/session_01Xcm6ikLgGoCxxHrxtjkk5V
Bring the legacy ParkSQL2017 pricing BREADTH onto our engine while keeping
integer-minor-unit money + immutable signed versions (rejecting legacy's
float money / mutable rows). TariffStructure becomes a discriminated union:
V1 = the original bare ladder (UNCHANGED, verbatim algorithm, golden-
regression-tested against the live version); V2 = {version:2, tz, shared
knobs, defaultCard, windowedCards[]} where each card is flat OR a block
ladder and may be scoped by wall-clock hour window / day-of-week / date
range / vehicle category.
computeFeeV2 prices by stepping one increment at a time, advancing the
ladder by ELAPSED minutes (continuous) while selecting the active card by
WALL-CLOCK time in the version's FROZEN tz. Decisions: tz is a per-site
setting (site_config.timezone, default Europe/Tirane) stamped server-side
into each version on publish — never the host clock (reproducibility);
default-card cap governs a mixed day; precedence = specificity
(date>dow>hour) -> priority -> name (total, order-independent), validation
rejects ambiguous ties; category = a card FIELD, frozen in the signed
vehicle_entry payload (site_config.default_vehicle_category default), read
at both pricing call-sites.
Composer: default card front-and-centre (flat/ladder toggle), tiers under
an "Advanced" disclosure; emits BARE V1 when no tiers (back-compat). DB:
migrations 0005 (timezone) + 0006 (default_vehicle_category). Stood up
vitest in @parking/shared (was zero tests on the ledger-feeding fee fn);
36 tests incl. golden V1 regression, happy-hour/overnight/dow/flat/category/
cap edges, precedence shuffle-invariance, Europe/Tirane DST determinism,
validation matrix — all green. No event-chain change.
Claude-Session: https://claude.ai/code/session_01Xcm6ikLgGoCxxHrxtjkk5V
Linked Claude Design project "TRM — Tracking & Race Management" is a
race-timing kit, not a parking design. Adopted its TOKENS only — no TRM
components. Aligned the existing term-* accents onto TRM's exact night/
semantic values (surfaces → night scale; amber→#f2a516, green→#2e8c4a,
red→#e8412b flag, cyan→#2563c8 blue) so the whole booth UI shifts palette
with zero component edits. Exposed TRM's full vocabulary (night/ink/paper
scales, flag/amber/green/blue, viz-1..8, 4px spacing, type scale, square
radii, sharp offset shadows) as Tailwind v4 utilities for new work.
Offline appliance: dropped TRM's Google-Fonts @import (no runtime network);
Goldplay display face not self-hosted yet — falls back to a sans stack.
Web build green; login renders on the new palette.
Claude-Session: https://claude.ai/code/session_01Xcm6ikLgGoCxxHrxtjkk5V
The stepped-block engine already does "first N hrs x X, next N hrs x Y, ...,
24h cap" (ordered blocks, per-block rate, rolling-24h cap). No new axis; this
completes the model and removes its footgun.
- validateTariffStructure (shared) now REQUIRES the last block to be open-ended
(uptoMin: null). A bounded final block silently inherited its own rate past
its bound (a hidden, never-stated price — e.g. the live ALL tariff billed
hour 4+ at the 3rd-hour rate). rateAt() still prices legacy bounded-tail
versions; validation is publish-only, so published immutable versions are
unaffected (no migration).
- TariffComposer edits bands as a DURATION in hours ("first 2 hours, then next
3 hours"), accumulated into the engine's cumulative uptoMin (minutes) on
submit. The last row is a pinned, non-removable "thereafter (open-ended)"
band, so a published card always satisfies the open-ended-last rule.
blocksToForm round-trips stored minutes back to band hours (legacy loads).
- i18n: replaced upToMin/egExample with bandDuration/hoursUnit/egHours (sq+en,
catalog parity green).
Verified: validator rejects bounded-last / accepts open-ended; computeFee
correct at 1/2/3/5/6/24h for a 0-2h@200,2-5h@100,5h+@50 + 1000 cap card. Full
build green. Wiki (tariff.md, log.md) updated.
Claude-Session: https://claude.ai/code/session_01Xcm6ikLgGoCxxHrxtjkk5V
Rounds out subscriptions across enrollment, the barrier flow, and the booth.
- RFID credentials enabled with a "Read card" enrollment flow: the operator
arms ONE chosen reader (CredentialCapture, single-shot + ~30s TTL); that
reader's next read is captured into the form and NOT dispatched to the access
flow — the OTHER reader keeps serving live entry/exit. Routes:
/api/subscriptions/readers + /capture/{arm,cancel} + poll.
- Enter with one credential, exit with another: sessions are keyed by a
per-occurrence id (SUBSESS-<short>), not the credential value, with
permitId in the payload. Direction is decided by the barrier the reader sits
at (entry-lane→entry, exit-lane→exit; "both" infers); a fleet (maxConcurrent>1)
admits several cars and exits any with any credential, FIFO (oldest first).
- Booth treats a subscription occurrence as PREPAID: never quoted/charged; the
pay/exit modal shows a subscription mode (snapshots + a single audited
Open-barrier action) to assist a faulty exit reader / missing card;
reopenBarrier authorizes paidAt!=null OR subscription. Active Sessions badges
"abonim" and labels by holder name (not the raw key).
- Plus a per-read diagnostic log in the QR-reader route (serial → device →
verdict/dir), which surfaced the earlier duplicate-reader-IP misroute.
Verified via buildServer+inject + reader-scan/TCP-capture simulations
(enrollment isolation, cross-credential + FIFO fleet, prepaid-not-charged,
subscription reopen, unpaid-transient guard). Updated wiki (subscription,
booth-exit-flow). No migration.
Claude-Session: https://claude.ai/code/session_01Xcm6ikLgGoCxxHrxtjkk5V
The "permit/lejet" feature is really a subscription. Full rename of the
mutable master data, plus a recurring monthly price.
- DB (migration 0004, data-preserving ALTER RENAME): permits→subscriptions,
permit_credentials/_plates→subscription_*, sessions.permit_id→subscription_id.
- Pricing: per-subscription priceMinor + period(monthly) + currency, with a
site default (site_config.subscription_monthly_price_minor) pre-filling the form.
- Server: subscription-flow.ts (SubscriptionFlow), routes/subscriptions.ts
(/api/subscriptions). Web: SubscriptionManager, route, i18n (sq Abonimet/en).
- The signed ledger `permitId` payload is intentionally kept — immutable
hash-chained history; renaming it would break verification of past events.
Deferred (wiki notes): fee collection into the ledger/shift (a shift-attributed
payment), LPR/ANPR plate source, time-of-day access windows (overnight subscriber).
Also carries the device-footer UI surface (api DeviceStatus, router mount,
i18n devices) due to shared-file overlap with the preceding footer commit.
Verified end-to-end on a fresh DB and migration on a live-DB copy (sessions
preserved). Live DB migrated. Full monorepo builds clean.
Claude-Session: https://claude.ai/code/session_01Xcm6ikLgGoCxxHrxtjkk5V
A paid car that left via a manual barrier re-open kept no vehicle_exit, so
activeSessions() saw it as permanently open and the grace-expiry eviction
(which only ran for exited sessions) never fired — it lingered forever
(ticket T-397815c0).
- reopenBarrier() now signs a vehicle_exit (source:manual) when the session
is still open, closing it; still no second exit when already exited
(phantom re-close — no double-count).
- activeSessions() ages out a PAID open session past grace even with no exit
(unpaid open sessions never age out — a car owing money stays). Pure
display filter; the signed log is untouched.
Verified both fixes + chain integrity on a fresh DB. A one-off corrective
vehicle_exit was appended to the live ledger to clear T-397815c0.
Claude-Session: https://claude.ai/code/session_01Xcm6ikLgGoCxxHrxtjkk5V
Generalise printer-only monitoring to every configured device. New
DeviceMonitor polls all enabled devices each tick (default 8s): printers
via rich readStatus(), relays/readers/cameras via the generic healthCheck()
reachability probe, flattened to one traffic-light (ready/degraded/offline)
+ detail, deduped (emit on change only), fail-toward-offline.
- device-status bus event + GET /api/devices/status snapshot.
- Pushed over the existing /api/ws (hello carries the initial set;
device-status frame per change).
- Web: live-store devices map, WS handler, DeviceFooter chip-per-device
(role label not vendor; click a degraded/offline chip for an issues panel).
Verified roleKind resolution + change-only emit on a fresh DB.
Note: the footer's UI surface (api type, router mount, i18n devices) rides
in the subsequent subscription commit due to shared-file overlap.
Claude-Session: https://claude.ai/code/session_01Xcm6ikLgGoCxxHrxtjkk5V
A shift becomes a SITE-WIDE accountability period — at most one open at a
time — so every taking is unambiguously attributed to one operator. Login
stays decoupled from shifts (an operator can log in off-shift to review).
Backend:
- ShiftService.currentOpenShift()/requireOpenShift(); open() refuses when ANY
shift is open and throws ShiftAlreadyOpenError{heldBy} (self vs. other).
- requireShift preHandler gates /api/pay, /api/exit, /api/voucher,
/api/barrier/reopen → 409 {code:"no_shift"}; read-only lookups stay open.
- GET /api/shift/current returns site-wide {open:{startedAt,operator},isMine}.
- GET /api/events?since=<iso> for per-shift log scoping (db: re-export gte).
Frontend:
- Header shift button: open / close-mine / disabled-when-another-holds-it.
- Pay/exit modal gate banner (one-click open; "held by X" when another's);
pay/exit/voucher disabled until this operator's shift is open.
- Active-Sessions barrier re-open gated the same way.
- Live feed scoped to the open shift's window; shared useShift() Query
invalidated over the WS on shift_open/shift_z_report/cash_movement.
- sq/en strings for the control + gate.
Wiki: shift.md (site-wide single-open + gate; superseded per-operator note),
booth-console.md (header control + gate), log entry.
Verified: site-wide invariant + heldBy + handover + chain integrity on a
fresh migrated DB (11/11); db/server/web build clean.
File concept pages for the operator-UI architecture ([[booth-console]]: stack,
/api/ws live feed, anti-CSWSH) and [[i18n]] (per-user server-stored language;
resolves a dangling code-comment link). Qualify the stale 'plain React' note on
react-vite-spa. Backfill log entries for the live WebSocket, frontend foundation,
and i18n builds (which had none), plus a reconciliation lint entry. Catalog
booth-exit-flow + the two new pages in index; fix the concept count (27→41).
New signed cash_movement event (admin-only): load/remove drawer float, signed +
attributed. ShiftService folds cash payments + movements by time into a drawer
balance; shift open auto-inherits the prior shift's expected closing drawer as its
opening float; the Z-report reports opening/taken/added/removed/expected (= next
shift's opening float). Card payments excluded (settle to bank). Routes: POST
/api/cash-movement, drawer in GET /api/shift/current. ShiftControl shows the live
drawer + admin load/remove form + Z-report drawer block. Wiki: shift.md.
Active Sessions panel lists sessions that are open OR exited-but-within-grace
(barrier state is unconfirmed, so a paid car is presumed possibly-present until
grace expires). Row click → pay/exit modal; 'Open barrier' (paid sessions only —
no payment, no button) fires a human-intervention re-pulse signed as an attributed
anomaly, never a second vehicle_exit. Wiki: booth-exit-flow.md.
Note: the backend (PayStation.activeSessions, ExitFlow.reopenBarrier, routes,
api.ts) landed with the prior commit's shared files.
Ingest the predecessor SQL Server schema (raw + source summary) and file design
pages for time-of-day/seasonal tariff tiers and merchant validation/postpaid
sponsorship. Cross-link tariff.md and validation-discounts.md. No code.
- site_config gains optional park identity (park_name, operator_name, nius,
address, phone, email); additive Drizzle migration 0001. GET/PUT
/api/site-config read/write the full config (PUT partial patch, admin only);
SiteSettings + SetupWizard expose the fields.
- renderTicket() prints an Albanian header sourced from site_config, the
all-numeric 13-digit ticket id (12 random + Luhn) as Code128, large digits,
and a lost-ticket footer. CP852 codepage so ë/ç render.
- Widen the Code128 module width 2->3 and height 80->100 dots so the
short-range "Simple" QR/barcode reader decodes reliably (was barely reading
at module width 2 on the 80mm head).
See wiki/concepts/site-metadata.md and ticket-encoding.md.
A parking lot is one pool of spaces with a flexible set of entry/exit
points — no "lane". Direction is a property of each RELAY inside an access
controller; readers/cameras bind to a controller relay and inherit it.
Schema:
- drop `lane` from ledger_events, device_events, sessions
- rename lane_devices -> devices (no lane/direction columns)
- access config.relays=[{relay,direction,button?}]; reader/camera
config.controllerId+relay binding
- fresh 0000_baseline migration (history reset; dev data was throwaway)
Signed ledger:
- remove `lane` from canonicalize(); bump signer keyId sw-hmac-v1 -> v2
(v1 events won't verify under v2 — intentional, gated per-event by keyId)
Server:
- new device-resolve.ts (replaces lane-map.ts): relayForButton,
relayForDevice, firstRelayByDirection, devicesByDirection
- entry-flow: button terminal -> its relay; exit/permit: reader's bound
relay; dispatcher resolves the bound relay + inherited direction
- camera snapshots fire by direction site-wide, async, never block open
- DeviceConfig widened to nested JSON for relays[]
Web:
- wizard: no lane selector; add controllers (relay map + entry-button
terminal) first, then bind readers/cameras/printers to a controller relay
Wiki: new entry-exit-points.md (replaces lane-direction); reworked
entry-exit-readers, parking-session, first-run-setup, device-registry,
append-only-event-chain, device-events; removed stale lane/LaneMap mentions.
The reader on hand is a GEE-QR-ER80 QR/DataMatrix/1D barcode access reader
(not an EM4100 prox-card reader as first guessed). Interfaces: Wiegand 26/34,
RS-232, RS-485, USB, TCP/IP; 4-15 VDC; Linux-supported. Variant on hand: -Q-W
(QR scanner, Wiegand/RS-232/485).
This is the QR-ticket scanner the design already needed: a host-side reader
whose scans become read-bus events consumed by the (already-built) exit flow
and QR-permit path. Prefer RS-232/485 over Wiegand (Wiegand can't carry a
variable-length QR string; autonomy is moot with the no-ACL Dingtian).
New source + entity pages; updated ticket-encoding, entry-exit-readers, index.
Open (blocks the adapter): the RS-232/485 frame + baud (ASCII CR/LF expected).
Occupancy is a fold over the signed ledger (entries minus exits per identity);
getOccupancy returns {count, capacity, free, full}. Capacity is a single-row
site_config table (admin-set; null = uncapped; migration 0001, additive).
FULL gate lives in the transient entry flow: when full, refuse (no ticket, no
vehicle_entry, no open) and sign an anomaly. Permit entry is NOT gated --
subscribers are admitted past transient-full (their own maxConcurrent still
applies), so occupancy can read over capacity by design (reserve-for-permits).
Routes: GET /api/occupancy + GET /api/site-config (any role), PUT
/api/site-config (admin; non-negative int or null). Web SiteSettings: live
occupancy + FULL badge (everyone), capacity editor (admin).
Verified: fill to cap -> 3rd transient refused; permit admitted past full; exit
frees a slot; RBAC (operator can't set, -5 -> 400); verifyChain ok. Physical
FULL-sign relay output deferred.
A shift is two signed ledger events, no mutable table: new shift_open event
type + existing shift_z_report. The operator is the logged-in user (carried in
event identity); a shift is open iff their latest shift event is a shift_open.
ShiftService: close sums payment events in [start,end] by tender (cash/card, by
payment time), appends the signed shift_z_report (totals/counts/window), and
prints via a new generic PrinterDevice.printReport(title, lines) (Rongta ESC/POS
text) to a booth-receipt printer. Print is best-effort — a failed print does not
undo the signed close.
Routes (cashier/operator/admin): GET /api/shift/current, POST /api/shift/open
(409 if open), POST /api/shift/close (409 if none). Web ShiftControl in the
shell (non-readonly): Start/End + Z-report totals.
Verified: open -> double-open 409 -> payments (cash+card; one outside the window
excluded) -> close totals correct + signed + printed -> close-again 409 ->
re-open ok; readonly 403; verifyChain ok.
A credential read now routes by what the credential IS: matches a permit
(card/QR credential or a bound plate) -> permit flow; else -> transient exit
flow. Lane resolved once (readerLaneWithAccess); ExitFlow.onRead -> handleAt so
the dispatcher owns lane resolution.
Permit direction is inferred from session state for that car (the read value is
the per-car session key): no open session -> ENTRY (enforce maxConcurrent, sign
vehicle_entry, open); open -> EXIT (sign vehicle_exit, open, close). Fleet
permit = one session per car; anti-passback falls out naturally.
maxConcurrent enforced as a fold over the signed ledger (null = unbound).
Validity window + status + plate-OR-card identity as designed. No ticket/fee;
every use is a signed event carrying permitId. Refusals (revoked / out-of-window
/ at-capacity) are signed anomalies, barrier stays closed.
Verified against stubs: card entry -> inferred exit; fleet cap 2 (F3 rejected
at 2/2, then admitted after F1 exits); plate-bound opens; revoked rejects;
unknown credential falls through to exit reject; verifyChain ok.
validateTariffStructure (shared): non-negative ints, ascending block bounds,
only the last block open-ended — a malformed card can't be published.
Routes: GET /api/tariff (active + history, any signed-in role), POST
/api/tariff/versions (publish an immutable, effective-dated version; admin
only). The single site tariff row is created lazily. Editing = publish a new
version; past sessions keep their pricing.
Web: TariffComposer in the admin shell — edit currency, grace windows,
increment, daily cap, lost-ticket fee, and add/remove rate blocks (major-unit
input -> minor on submit); shows active version + history.
Verified via inject: empty -> active null; invalid blocks -> 400 with problem;
valid -> 201; readonly publish -> 403; after publishing, the pay station quote
returns 404 (no session) instead of 409 (no tariff) -- it now prices against the
active card.
computeFee() in @parking/shared: pure integer fee over a TariffStructure
(stepped blocks, rolling-24h cap). Two edges fixed under test: grace uses RAW
duration (not rounded-up minutes), and the block ladder resets each 24h day.
PayStation + routes (GET /api/pay/quote, POST /api/pay): look up the open
session, resolve the active tariff version (latest effectiveFrom <= entry),
computeFee, append a signed payment event (amount/currency/tender/
tariffVersionId/graceExitMin). overrideMinor handles lost-ticket/dispute. PCI
stays out of the app: tender only records cash/card.
Verified end to end: entry -> quote (300 for 90min) -> pay -> exit opens and
closes the session, verifyChain ok.
A credential read at an exit lane validates the session, then opens. Adds a
'read' channel to the device bus (DeviceReadEvent: ticket/plate/qr/card);
entry stays button-driven so reads are exit/identity events.
Flow: read -> fold the SIGNED ledger for that identity -> validate open + PAID
+ within gracePeriodExitMin -> signed vehicle_exit -> pulseOpen -> close the
session cache. Unpaid / grace-expired / unknown -> signed anomaly, barrier
stays closed (a deliberate business reject, not a fail-state; 'exit fails open'
is about host/power loss). Validation reads the ledger (authoritative), not the
cache.
No payment events exist until the pay station is built, so every transient exit
currently rejects -- the correct end-state, not yet passable. Verified against
stubs: unpaid->anomaly+no-open; paid+grace->exit+open+closed; expired->anomaly;
unknown->anomaly; verifyChain ok across entry->pay->exit.
Flagged: lane_devices has no entry/exit direction model (exit door hardcoded to
1); needs a lane-direction/role model before multi-reader lanes.
Capture that refusing at capacity is the default, not absolute: an operator
may opt into valet over-capacity (customer hands over keys, operator stacks
the car into custody). Manned-only, new custody/session shape. Deferred;
not built into the entry flow. Made capacity-occupancy's FULL gate a soft
policy knob.
Correction before schema work: the events table conflated the anti-fraud
business ledger with device telemetry. Decision: ledger_events (signed,
chained, reconciled) holds only business facts; device_events (unsigned,
prunable) holds relay/printer/camera/reader/input telemetry. A raw button
press is telemetry; the entry flow mints a signed vehicle_entry. Drops
input_received-as-signed-event.
New: decisions/event-streams-split, concepts/device-events; updated
append-only-event-chain, index, log.
Mirrored mode re-clones the Windows NIC's addresses each boot, so the kernel
keeps picking the wrong source for stacked device subnets (10.0.10.x sourced
from 192.168.1.123) — ARP resolves but ping/TCP dies, and every runtime
ip-route fix is wiped by wsl --shutdown.
deploy/wsl-fix-route-source.sh pins each scope-link route's src to this
host's own address in that subnet (no hardcoded IPs, idempotent, preserves
metric, non-fatal per route, waits for the route at boot). deploy/parking-net
.service reapplies it on every boot.
Dev-box only; the appliance is bare-metal Linux with static networkd config.
Verified: camera pings with no -I flag; driver pulls a snapshot with no
localAddress set.
Replace the hardcoded lane: 0 on input_received events with a real
device->lane lookup. A new LaneMap caches lane_devices.id -> lane,
built at startup and refreshed by the setup routes on assign/unassign.
An unmapped device logs lane: -1 + a warning (0 is a real lane) and is
still recorded faithfully (append-only chain).
source stays null for raw inputs by design: it's an IdentitySource
(how a vehicle was identified), not a device field; device provenance
remains in identity. Documented both in the wiki.
The string protocol (UDP 60001) has no password field but can fire relays
("11" = relay 1 on), bypassing relay_pw entirely. Proven on hardware: an
unauthenticated packet opened a relay. harden() had left it enabled "for
status reads".
- #status() now reads via the authenticated binary command (relay cmd 0x00)
instead of the string protocol, so the string protocol is no longer needed.
- harden() disables the string protocol (udp2.p=255). BEST-EFFORT: firmware
V3.6J's config API silently refuses to disable udp2 (the device web UI can),
so it's not part of the blocking verify -- harden() re-checks and returns a
warning instead of throwing. After a web-UI disable, the attack is dead and
binary control/status still work (verified on hardware).
- HardenResult gains an optional `warnings[]`; the assign route surfaces them
to the admin and logs them.
- Corrected the false comment claiming relay_pw stops an attacker (it is
defence-in-depth on plaintext UDP, not a boundary).
- Thread localAddress through the driver's UDP/HTTP calls so a multi-homed
host sources device traffic from the device-facing NIC.
- Device web login (webUser/webPassword) is no longer redacted from setup
state -- it's an operational credential for the admin-only device area;
pushPassword/relayPassword stay machine-only.
Wiki: document the vuln + fix, the firmware caveat, and the out-of-band
actuation gap (the log captures host actions only; reconciliation vs. an
independent witness is the real control and is not yet built).
The data model was already multi-instance (lane_devices = one row per
instance; assign always inserts) -- the limitation was UI-only. Make the
whole flow support more than one of every category:
- Backend: add DELETE /api/setup/assign/:id (unassign by id). /state now
redacts secrets (pushPassword/webPassword/relayPassword) via a shared
redactSecrets() also used by /assign -- it was returning raw config rows.
- Web: SetupWizard reworked from one fixed slot per category into a list of
assigned instances (driver/role/host + Remove) plus an "Add another" form.
select-type config fields (e.g. printer role) now render as dropdowns.
- api.ts: add fetchState(), unassignDevice(), Assignment/SetupState types.
Verified via Fastify inject: two printers assigned to one lane both list,
no secret leak, delete -> 204, delete unknown -> 404, count drops to 1.
Full repo typechecks.
Wiki: first-run-setup documents multi-instance + delete + redaction.
Add the rongta PrinterDevice driver (ESC/POS over raw TCP 9100) and the
device-agnostic pieces around it:
- Roles + failover: each printer declares a role (entry-dispenser/booth-
receipt) and failoverRank; printer-routing.ts picks the best healthy printer
and falls back outside->booth for entry tickets (never the reverse).
- Live status: MonitorableDevice.readStatus()/PrinterStatus capability. The
Rongta driver scrapes the device's own /prn_stat.htm (Cover/Cutter/Paper
End/Near End/Off-Line) rather than hand-decoding DLE EOT, whose reply bytes
on this clone don't match the canonical ESC/POS bit layout (verified on
hardware) -- avoids a false-healthy. Maps to ready/degraded/offline, fail
safe on an unreachable or unexpected page.
- Server PrinterMonitor polls enabled printers (PRINTER_POLL_MS, default 5s),
caches latest, emits "printer-status" on change. Exposed via
GET /api/printers/status and an SSE stream for the booth UI.
Verified against 10.0.10.6: ready when healthy, offline when unreachable
(no throw), bus emits on change and suppresses unchanged reads.
Wiki: new rongta-printer entity, printer-roles-failover and
printer-status-monitoring concepts; BOM/index/log updated.
Lock down the relay device for the flat (no-VLAN) network.
Relay control:
- pulseOpen/setRelay now use the Dingtian BINARY protocol (:60000) with a
relay password — the only relay option with auth (string :60001 has none, and
is kept only for the read-only status query). Frame verified on hardware.
HardenableDevice capability (driver harden()):
- set a random relay_pw (1-9999); disable unused channels (rs485/can/tcp x2/mqtt
-> p:255), keeping UDP1 binary (control) + UDP2 string (status).
- write-verified (device reboots on apply).
Assign/Save flow now does: fix preconditions -> harden -> set up input push;
the relay password is stored in lane_devices so the runtime device can command
the relay.
DELIBERATELY NOT touching the device's HTTP CGI session check (session_en):
enabling it on this firmware breaks the config-READ API (ECONNRESET) and locked
the backend out — required a factory reset to recover. The open CGI API is
accepted as flat-network reality; the signed event log is the real guarantee.
Verified end to end on hardware: assign hardens + configures the device, config
API stays reachable, pulseOpen with the stored password fires the relay, without
it is rejected. wiki: device-input-flow + dingtian-relay updated.
Two-step device setup so the admin verifies before committing — and never touches
the device's own web UI.
- POST /api/setup/test (admin-only): healthCheck + checkPreconditions, no save and
no device change. Returns device health + precondition issues.
- assign (Save) now also runs fixPreconditions (e.g. disables input_link_relay so
a button press doesn't auto-fire its relay) before configuring the input push.
Closes a gap where an assigned device could still auto-open. Fails the save with
no DB row if device configuration fails (no orphan/half-configured rows).
- SetupWizard: wires config fields -> Test connection (health badge + precondition
warnings) -> Save & configure; editing config resets prior test/save status.
Verified in-browser against the real device: Test -> ● ready + preconditions OK;
Save -> row persisted AND the device's Input Link URL written (push path matches
the saved device id). wiki/first-run-setup updated.
Secure the device→backend input push, and configure it automatically when the
admin assigns the device (no manual URL/secret entry).
Auth — HTTP Digest (chosen by hardware testing: the device can't push to a
self-signed HTTPS backend, but does Digest correctly; a URL token is sniffable/
logged):
- digest-auth.ts: MD5 qop=auth challenge/verify, single-use nonces (replay
resistance). Password never crosses the wire.
- push route: Digest + source-IP allowlist; per-device pushUser/pushPassword from
lane_devices. Still not behind the SPA cookie/CSRF auth (machine call). The
signed event log remains the real anti-fraud guarantee.
Auto-config on assign:
- setup assign: for push-capable devices, generate Digest creds, call
configureInputPush to write them + the push URLs to the device, store the creds
(password not echoed back). net.ts derives the backend IP on the device's
subnet (BACKEND_HOST_IP override).
- driver configureInputPush sets auth=2 + creds; PushConfig carries the creds.
- removed the earlier URL-token approach.
Two hard-won device-write bugs fixed in the driver:
- configApi now sets an explicit Content-Length — the device silently ignores
chunked request bodies (Node's default without Content-Length), so every config
write looked successful ({"status":0}) but did nothing. This was the root cause
of the session's "writes don't apply" mystery.
- #writeConfig polls until the change is verified, retrying (the device reboots on
apply; back-to-back writes were lost). The `pass` field caps at 31 chars, so the
generated password is 24 hex chars.
Verified on hardware: assign auto-configures the device; all 4 inputs then push
with Digest auth, zero failures. wiki/device-input-flow updated.
The device pushes button events to the backend via its Input Link URL feature;
the backend decides. No polling — the chosen entry architecture.
packages/devices:
- dingtian driver: configureInputPush() writes the device's input_link_url
config (per-input server/port/path, en=1, active-LOW, plain HTTP) so each
input HTTP-GETs the backend on press/release. Extracted #readConfig/#writeConfig
(with the required command:setconfig injection + post-write reset tolerance).
apps/server:
- routes/devices.ts: public GET/POST
/api/devices/dingtian/:deviceId/input/:n/{on,off} — translates a device push
into an internal device event. Not behind cookie/CSRF (machine call from the
device); trust comes from the signed event log, not this request.
- device-events.ts: internal EventEmitter bus so the entry flow subscribes to
input events without coupling to HTTP. Wired into the server.
Verified on hardware: configured the device, then real presses on all 4 inputs
pushed to the backend (input N on+off, source = device IP). No polling.
wiki: device-input-flow concept (path + trust model for the flat/no-VLAN
network); dingtian-relay updated; index + log.
Neither UHPPOTE nor ZKTeco is used — the Dingtian relay controller was chosen
and verified. Remove their code and re-scope the wiki.
Code:
- delete access-uhppote.ts, uhppoted.d.ts, access.ts (zkteco/esp32-relay stubs),
and the three uhppote-*.mjs hardware test scripts.
- remove the `uhppoted` npm dependency from @parking/devices and @parking/server.
- unregister uhppote/zkteco/esp32-relay from the driver registry; drop their
exports. Catalog access drivers = dingtian only. Build green (5/5).
- refresh now-stale example comments (registry/interfaces/setup/api) to use
current examples; keep the two "UHPPOTE blocker" references that explain why
the precondition capability exists.
Wiki (kept pages, re-scoped):
- uhppote-controller, zkteco-controller -> rejected/historical with callouts;
uhppote-vs-esp32 -> historical (detection-vs-prevention lens still useful).
- re-point all "current device" framing (standing-decisions, bom, overview,
open-questions, device-registry, device-discovery, index) to dingtian-relay.
- transferable concepts (network-isolation, event-log-ingestion, barrier-not-a-
door, threat-model) untouched. Raw source immutable. Links lint clean.
- dingtian-relay: relay+input controller (4ch on hand). Inputs are decoupled
from relays (configurable via input_link_relay) — solves the
access-controller-button-flow blocker the UHPPOTE couldn't. Full protocol from
the SDK (UDP string control :60001, `00` status parse, input_link_url push,
multicast discovery). Driver + hardware test still to build.
- dingtian-vs-mqtt: use direct HTTP/UDP now; MQTT skipped (broker = extra infra
+ failure mode + overkill at one-host/few-devices scale) but kept for later
multi-lane scale.
- autonomous-direction: record the roadmap to fully unmanned (no booth) and how
it reshapes the threat model (operator-fraud -> unattended-machine threats),
makes host-in-the-loop entry mandatory, and raises fail-state stakes.
- threat-model: note the unmanned shift. index + log.
gitignore the vendor SDK (dingtian/, 71MB of binaries/examples) — reference
only, protocol captured in the wiki.
Capture hard-won dev knowledge that was only in commit messages:
- wsl-dev-networking: WSL2 NAT blocks UDP broadcast (device discovery can't
reach the LAN); fix is mirrored networking (.wslconfig, Win11 22H2+), plus the
gotchas that remained after — multiple interfaces, subnet-directed broadcast,
localhost->IPv6 stall. Alternatives for non-mirrored setups.
- local-dev-workflow: first-time setup, pnpm dev, and the gotchas (the
strip-types dev-server hang -> tsx, the 127.0.0.1 proxy fix, .env loading,
seeding into the right DB).
- device-discovery: corrected the old "broadcast permission (EACCES)" note — the
real cause was the lib not enabling SO_BROADCAST for global 255.255.255.255;
documented the three verified broadcast gotchas + I/O serialization.
- schema: add a `reference` page type; new "Dev environment" index section; log.
Links lint clean; both new pages well-connected.
UHPPOTE controllers self-announce via UDP broadcast, but the frontend had no way
to find them — the admin had to type the serial blind. Add a generic discovery
capability and surface it in the setup wizard.
packages/devices:
- DiscoverableDriver capability + DiscoveredDevice type + isDiscoverable() guard
on the registry (optional, so any driver can opt in).
- uhppote driver implements discover() via uhppoted getDevices (UDP broadcast),
mapping each controller's serial/IP/firmware into a DiscoveredDevice; extract
shared buildCtx().
apps/server:
- GET /api/setup/discover/:driverId (admin-only): runs discover() and
health-checks each found device so reachability shows before assigning.
- catalog now returns a `discoverable` driver-id list.
apps/web:
- SetupWizard "Scan for controllers" button for discoverable drivers; lists found
devices with health badges; selecting one auto-fills serial + host. api client
gains discoverDevices().
wiki: new device-discovery concept; cross-link from registry/setup/uhppote;
note the broadcast-permission (EACCES) deployment caveat; index + log.
Verified: catalog flags uhppote discoverable; discover runs and fails gracefully
without hardware; non-discoverable driver -> 400; missing token -> 401.
Make the device-adapter pattern selectable so the admin chooses hardware at
install — per lane, from a catalog of supported drivers. Adding a device =
registering one more driver; no business-logic change.
packages/devices:
- interfaces.ts: AccessControlDevice / ReaderDevice / CameraDevice / PrinterDevice
(adds CameraDevice for entry/exit snapshot-on-event; access relay stays
intent-only per "a barrier is not a door").
- registry.ts: driver catalog with per-driver config fields + factory, config
validation, and a catalog payload for the setup UI.
- drivers/: stub adapters — access (zkteco, esp32-relay), reader (wiegand,
tcp-ip), camera (hikvision, dahua). Real vendor protocols TBD.
packages/db:
- lane_devices + setup_state tables (migration 0001); re-export query helpers.
apps/server:
- routes/setup.ts: GET /api/setup/catalog (public schema), and admin-only
/assign, /state, /complete with registry validation before persisting.
- extract auth.ts (requireJwtSecret, requireRole, JWT type aug).
apps/web:
- SetupWizard scaffold + api client: pick a driver per category for a lane,
render its config fields.
wiki: device-registry + first-run-setup concept pages; cross-link from
device-adapter-pattern; index + log updated.
Verified: full turbo build (5/5); catalog lists all drivers; admin assign
persists; missing-config and no-token requests are rejected.
Turborepo (pnpm workspaces) with all dependencies pinned to latest
mutually-compatible versions: turbo 2.9, TypeScript 6, Fastify 5,
React 19, Vite 8, better-sqlite3 12 + Drizzle ORM 0.45.
Layout:
- apps/server Fastify backend (local JWT auth + role guard, /health)
- apps/web React 19 + Vite 8 operator SPA
- packages/db Drizzle schema on SQLite/WAL; append-only events + users
- packages/devices reader/printer/relay adapter interfaces (intent-only relay)
- packages/shared shared domain types
Architecture constraints from the design wiki are encoded in the scaffold:
append-only hash-chained + signed event log, device-agnostic adapters,
"a barrier is not a door" (relay expresses intent only), fully-local
offline-first auth.
wiki/ is an LLM-maintained Obsidian knowledge base (28 pages) ingested
from the architecture & design notes, with its own maintenance schema.
Verified: pnpm install, full turbo build (5/5), server boots and serves
/health, drizzle-kit generates the initial migration.
julian