giles ee4dbf3be9 offering editor: per-showing ticket types with prices + per-offering caps ...

Each showing's offerings are now independently editable — the 'some / all / extra + special offer,
different prices, different caps' from the cinema model.

- host/blog--offering-editor: a collapsible '⚙ Manage offerings' panel on the showing page — per
  offering an inline price+cap Save form and a Remove button, plus an Add-offering form.
- host/blog-offering-update: edit an offering's price + cap.
- host/blog-offering-remove: unlink an offering from the showing (sold tickets keep their record).
- host/blog-offering-add: add an offering, CREATING the ticket type first if new (e.g. special-offer
  → seeds the ticket-type + is-a). host/blog--offering-showing resolves the parent showing.
- Per-offering CAP enforcement: host/blog--offering-available? (offering sold < its cap, else only the
  showing capacity limits it). buy-ticket checks it and tallies offering --sold--> ticket per offering;
  the tickets section shows 'type — £price (sold/cap)'.

This covers the layout-style variable caps too (seated / tables / standing = per-offering caps).

LIVE: on the Dune showing — set adult £12 cap 2, added special-offer £5 cap 1, removed u18; buying the
special-offer twice yields 1/1 sold (second blocked). blog 218/218.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

2026-07-03 08:43:31 +00:00

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