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feat(anpr): per-camera auto-open toggle (anprAutoTrigger) for shared lanes
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A shared entry/exit lane has both an entry and an exit camera on ONE lane: a
subscriber driving IN is admitted by the entry cam, but the exit cam sees the same
car leaving its frame and phantom-EXITs the occurrence just opened (its back plate).

Separate RECOGNITION from AUTO-OPEN per camera:
- config.anpr (unchanged) = run snapshots through the recognizer, record the plate
  (evidence), BOTH directions — stays on.
- config.anprAutoTrigger (new, absent ⇒ on when anpr is on) = may THIS camera
  auto-open the barrier. Set false on the shared-lane exit cam: it still recognises
  plates but never auto-triggers. The bridge gates on it (anpr-entry.ts), before the
  poll loop.

UI: a "Auto open/close on subscriber plate" checkbox under ANPR in the camera setup
(shown when anpr is on); persisted true/false so a park can explicitly disable it.
i18n sq+en (also corrected the now-stale anprHint "never opens a barrier" wording —
it does, via the bridge). +1 server test (anprAutoTrigger=false → no snapshot, no
read); 172 green. Documented the two toggle levels (site-wide + per-camera) in
lane-presence-and-anpr-entry.

Claude-Session: https://claude.ai/code/session_01Xcm6ikLgGoCxxHrxtjkk5V
This commit is contained in:
Julian Çuni
2026-06-27 23:52:16 +02:00
parent c2a861208f
commit 25a72ff20a
6 changed files with 85 additions and 8 deletions
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wiki/concepts/lane-presence-and-anpr-entry.md
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@@ -64,6 +64,19 @@ any snapshot/vision error degrades to the subscriber's card/QR, never throws int
Two new env knobs: `VISION_ENTRY_MIN_CONFIDENCE` (0.85), `ANPR_DEBOUNCE_MS` (12_000). Covered by
`anpr-entry.test.ts` + `hikvision-alarm.test.ts` wiring.
**Toggles — two levels (the auto-open is optional).** ANPR auto entry/exit can be turned off without
losing plate recognition:
- **Site-wide:** `site_config.anprEntryEnabled` (a Site Settings switch) gates the WHOLE bridge
(both directions); off ⇒ no camera auto-opens, recognition/lane-status unaffected.
- **Per-camera** (2026-06-27): `config.anprAutoTrigger` (absent ⇒ on when `anpr` is on). This
separates **recognition** (`config.anpr` — snapshots run through the recognizer, plate recorded,
BOTH directions) from **auto-open** (`anprAutoTrigger` — may this camera fire the barrier). The
case it solves: a **shared entry/exit lane** where ONE physical lane has both an entry and an exit
camera. A subscriber driving IN is admitted by the entry cam — but the exit cam sees the SAME car
leaving its frame and would **phantom-exit** the occurrence just opened (its back plate). Set the
exit cam's `anprAutoTrigger = false`: it still recognises plates for the record, but never
auto-opens. (The Setup checkbox "Auto open/close on subscriber plate" appears under ANPR.)
> **POLL-until-confident (2026-06-27).** The single-shot capture above was upgraded to a **poll
> loop**. The camera fires its vehicle alarm the INSTANT motion starts — the car is still
> APPROACHING, so the first frame's plate is small/blurry/half-in-frame and ANPR returns a