docs(wiki): industry survey of parking tariff systems + session log
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New reference page tariff-industry-survey.md (2026-07 web research):
field taxonomy — per-started-increment hourly (per-minute tried and
rolled back in practice), degressive ladders, day caps, up-to matrices,
day tickets, evening/overnight packages, event rates, early bird
(entry-time-conditioned), day/night + weekend/holiday/seasonal windows,
category pricing, contracts, merchant validations (amount/percent/
time-credit/re-rate), SFpark-style dynamic pricing. Coverage map: our
engine expresses everything a staffed single lot advertises; real gaps =
early bird (the pick-table-by-entry-time future design, same mechanism
as weekend menus) and validation overlays; anti-features = per-minute
billing + dynamic pricing. Indexed + logged.

Claude-Session: https://claude.ai/code/session_01Xcm6ikLgGoCxxHrxtjkk5V
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2026-07-05 16:37:53 +02:00
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@@ -90,6 +90,7 @@ Counts: 4 sources · 19 entities · 47 concepts · 7 decision records.
- [[parking-session]] — the core domain entity; a projection over the signed log, never a mutable table.
- [[tariff]] — fee model; pure, data-driven, offline; pay-on-foot adds a walk-back grace window.
- [[tariff-time-tiers]] — BUILT (V2 tariff): happy-hour/off-peak/weekend/seasonal + vehicle category + flat rate via wall-clock windowed cards; tz frozen per version.
- [[tariff-industry-survey]] — 2026-07 web survey of industry tariff structures: coverage map vs our engine; gaps = early bird (pick-table-by-entry-time) + merchant validations; per-minute & dynamic pricing ruled out.
- [[booth-exit-flow]] — manned booth: pay → voucher (self-exit later) or immediate exit; active sessions; audited barrier re-open.
- [[operator-issued-entry]] — operator mints an entry ticket when the physical button is broken; presence-gated (radar AND camera, both sides), flagged (source=manual + operatorInitiated + anomaly), capacity-override allowed; needs `session:create` (2026-07-01).
- [[plate-reconciliation]] — ANPR plate-as-invariant catches the ticket-swap fraud (paid car let out on a fresh $0 ticket, original lingers "inside"); exact/high-conf match vs open sessions; booth = flag + operator override, reader = log-only fail-open (2026-07-01).