Merge pull request 'Charge weekly reservations for every claimed occurrence and confirm the whole series' (#81) from fix/recurring-payment-amount into main

Reviewed-on: #81

docs/features/lesson-booking.md

@@ -44,8 +44,13 @@ slot_taken` if the freed time was booked by someone else in the meantime.
 ## Weekly Reservations
 A weekly reservation creates one `series_id` shared across N lesson rows (one per
 week in the term) and reserves the matching availability windows. It is billed
-**full-term upfront** as a single payment (`billing_mode = full_term` on the
-offering).
+**upfront as a single payment** linked to the series' first (anchor) lesson:
+- `billing_mode = full_term` — the offering's price already covers the term and is charged once.
+- `billing_mode = one_time` — the per-lesson price is charged **once per occurrence actually claimed** (price × N).
+
+Settling that payment (Stripe webhook, e-transfer confirmation, comp) confirms
+**every non-cancelled lesson in the series**
+(`BookingRepository::updateStatusForSeries()`), not just the anchor row.
 
 ## REST API
 | Method    | Endpoint                                        | Permission                     |

docs/features/payments.md

@@ -6,7 +6,9 @@ falls back to **e-transfer** — a pending payment a studio admin marks received
 so everything works without any credentials. When Stripe **is** configured the
 default rail becomes the **credit card**. The studio admin can override any
 student's method (card / e-transfer / comp). Single bookings are charged once;
-weekly reservations and group classes are charged the full term upfront. A
+weekly reservations and group classes are charged the full term upfront (a
+`full_term` price once, or a per-lesson `one_time` price × the occurrences
+reserved — see `lesson-booking.md`). A
 numbered receipt is emailed automatically when a payment is marked paid.
 
 > **Implemented:** the payment ledger, studio settings, method resolution