Two independent wiki updates bundled (all docs):
1. dingtian-dt008-reader.md: phantom optical decodes on the park-buzi EXIT
reader (empty pre-opening site, low-sun afternoons). Chain of evidence:
READ log lines carry the reader's own serial (H05MA5B0) → physical device,
not a network source; snapshot shows nobody present; code shapes are the
giveaway (6-digit numerics = checksum-less Interleaved 2-of-5, lone "C" =
Code39/Codabar artifact) → 1D engine decoding sun-made stripe patterns
(striped arm, fence shadows, glare). No fraud exposure (11-digit Luhn ids
can't match); noise only. Fix on the entity page: vendor-tool symbology cut
to QR+Code128 + min decode length, BOTH readers; config lives ON the device
→ re-apply after any factory reset/swap. Deliberately NOT filtering
impossible codes server-side — probe recording is the anomaly path's job.
2. Backfilled two shipped-but-undocumented features (six code files already
linked the first page as if it existed):
- concepts/entry-presence-bypass.md — admin drops a FAULTY presence signal
(granular radar/camera by decision, not a master switch); every flip is a
signed config_change; persists till off; tickets stamped presenceBypassed;
radar-bypass cooldown tradeoff; "the admin is not the adversary, but
trusted never means invisible".
- concepts/setup-relay-test.md — admin-only commissioning pulse, signed
barrier_open_command BEFORE the fire so a test open never reads as the
out-of-band-open fraud signal; saved controllers/declared relays only;
radarAlert lamps excluded; pulseOpen only.
Cross-linked from operator-issued-entry.md, cataloged in index.md, logged.
Claude-Session: https://claude.ai/code/session_01Xcm6ikLgGoCxxHrxtjkk5V
Two halves of one anti-fraud design.
(A) Operator-issued entry — when the physical entry button is broken, an
operator can issue an entry ticket so a real car isn't blocked out of the lot.
This hands the operator-adversary a mint, so it is:
- PRESENCE-GATED like the physical button: a real car must be present (radar/
loop AND camera busy). Enforced BOTH sides — the server re-checks current
presence so a direct POST can't bypass a disabled button; no presence loop
=> feature unavailable; a no-presence attempt signs an anomaly.
- FLAGGED: vehicle_entry source=manual + operatorInitiated + operator, PLUS a
companion entry.operatorIssued anomaly (the adversary path always leaves a
red-flag row).
- capacity-OVERRIDE allowed but stamped lotFull (a broken button mustn't trap
a legit car).
New session:create permission (migration 0019 -> operator role, admin-
revocable), POST /api/entry/issue (open-shift gated), EntryFlow.
issueForOperator; the fraud-critical print->sign->open->snapshot sequence is
factored into one shared #issueTicket (button + operator). UI: the entry
BarrierLight becomes a clickable issue-control when presence+permission+shift
meet (confirm -> issue).
(B) Exit plate-swap reconciliation — defends the ticket-swap fraud the mint
enables (paid car let out on a fresh $0 ticket, original ticket lingers
"inside", occupancy drifts up by phantom cars). The plate is the invariant:
ExitFlow.#reconcilePlateAtExit compares the exiting plate against all OPEN
sessions' entry plates, EXACT + HIGH-CONFIDENCE only (>=0.85; a fuzzy read never
gates — ANPR is advisory). On a match under a DIFFERENT ticket:
- BOOTH path: returns swap_suspected + signs exit.plateSwapSuspected; the
pay/exit modal shows a red warning + "Override & release" (override signs an
attributed exit.plateSwapOverride). Flag+override, never a silent hard block
(exit fails-open; a plate is never the sole gate).
- READER path (no operator): log-only anomaly + fail-open.
Extended BoothExitResult + /api/exit (override); boothExit client returns a
structured swap result.
Verified: full monorepo build/lint/test green (229 server tests incl. 4 new:
hold-on-swap, override-releases-with-attribution, low-confidence-no-warning,
own-plate-no-warning). New wiki: operator-issued-entry.md +
plate-reconciliation.md; cross-linked from entry-exit-points, capacity-
occupancy, index. Preserves "a plate never OPENS a barrier alone — and now never
TRAPS a car alone either."
Claude-Session: https://claude.ai/code/session_01Xcm6ikLgGoCxxHrxtjkk5V
julian