Files
parking_solution/wiki/log.md
T
julian a0e0fd9118 Add device discovery (UHPPOTE LAN scan) to setup
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.
2026-06-14 08:21:27 +02:00

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Markdown

# Wiki Log
Append-only chronological record. Each entry: `## [YYYY-MM-DD] <op> | <subject>`.
Query with `grep "^## \[" log.md | tail -5`.
## [2026-06-14] ingest | Parking System — Architecture & Design Notes
First source ingested. Bootstrapped wiki scaffolding (CLAUDE.md schema, index.md,
overview.md, log.md). Created source summary, 14 entity pages, 9 concept pages, and
decision records (settled decisions + 6 open questions). Source is a dense design
doc covering stack, threat model, device architecture, UHPPOTE access control, the
custom ESP32 controller alternative, readers, and a reference BOM.
## [2026-06-15] decision | JWT key choice + ESP32 deferred
From app work, not a new source. Added [[open-questions]] #7 (symmetric vs.
asymmetric JWT signing key — raised by the commit security review; prefer RS256/EdDSA
so verifying hosts hold only a public key, mirroring the ATECC608 / challenge-response
property). Marked [[esp32-custom-controller]] `status: deferred` per decision not to
implement device-level auth for now (access control stays on UHPPOTE + network
isolation); noted in [[open-questions]] #6. Updated [[local-jwt-auth]] (hardened secret
handling + 8h expiry, asymmetric-key pointer) and the index.
## [2026-06-15] decision | Device-agnostic registry + first-run setup
From app work. Made the [[device-adapter-pattern]] selectable: added a
[[device-registry]] (catalog of drivers per category) and a [[first-run-setup]]
flow so the admin picks a device per lane at install. Categories: access
(ZKTeco / ESP32 relay), reader (Wiegand / TCP-IP), camera (Hikvision / Dahua,
snapshot-on-event), printer. Added a `CameraDevice` interface; new `lane_devices`
+ `setup_state` tables (migration 0001); admin-only setup endpoints. Stub drivers
for now (no real vendor protocols yet). Verified catalog + assign + validation +
auth end to end.
## [2026-06-15] decision | UHPPOTE library chosen + real driver
Researched Node options for the UHPPOTE controller. Chose the official
**`uhppoted`** npm package (MIT, actively maintained, full API incl. openDoor,
get-event(s)/event-index, set-listener, restore-default — covers the whole
[[event-log-ingestion]] design). Rejected: raw-dgram DIY (reinvents the lib),
node-red-contrib-uhppoted (wrong model), Go REST sidecar (extra runtime). Added
it to @parking/devices and implemented a real `uhppote` [[uhppote-controller]]
access driver (pulseOpen→openDoor, healthCheck→getStatus), registered in the
catalog. CJS interop: default-import + destructure. Verified it builds, appears
in the catalog, and degrades to "offline" gracefully without hardware. Real
on-VLAN test still pending.
## [2026-06-15] feature | Device discovery (UHPPOTE scan in setup)
The frontend had no way to find a UHPPOTE — but the controllers self-announce via
UDP broadcast. Added a generic [[device-discovery]] capability: optional
`DiscoverableDriver.discover()` on the registry, implemented by the `uhppote`
driver via `getDevices`. New admin-only `GET /api/setup/discover/:driverId`
(health-checks each found device); catalog now returns a `discoverable` list.
SetupWizard gains a "Scan for controllers" button that lists found devices with
health badges and auto-fills serial + host on selection. Verified: catalog flags
uhppote; discover runs and fails gracefully without hardware (broadcast EACCES);
non-discoverable driver → 400; no token → 401. Modeled generically so cameras
(ONVIF) can add discovery later.