generated: '2026-09-03'
method: derived
source: openapi/southendonsea-southend-now-api-openapi.yml
entities:
- name: CurrentSnapshot
  description: The assembled source-linked city snapshot (root object of GET /api/southend-now)
  key_fields: [name, generatedAt, refreshIntervalSeconds, licenceNote]
- name: Beach
  description: A designated bathing water with status, classification and coordinates
  key_fields: [slug, name, sourceUrl, available]
- name: ObservationGroup
  description: A per-domain observation block (weather, air, marine, flood) with availability flag and source attribution
  key_fields: [available, sourceUrl, observedAt]
- name: HistoryIndex
  description: Index of archived daily snapshot dates (GET /api/southend-now/history)
  key_fields: [name, count, dates]
relationships:
- from: CurrentSnapshot
  to: Beach
  type: has_many
  via: beaches
- from: CurrentSnapshot
  to: ObservationGroup
  type: has_one
  via: weather
- from: CurrentSnapshot
  to: ObservationGroup
  type: has_one
  via: air
- from: CurrentSnapshot
  to: ObservationGroup
  type: has_one
  via: marine
- from: CurrentSnapshot
  to: ObservationGroup
  type: has_one
  via: flood
- from: HistoryIndex
  to: CurrentSnapshot
  type: has_many
  via: dates
  note: Each archived date resolves to a historical snapshot row in the CSV archive.