fix(cctv): keep Icelandic labels intact and treat 'og' facings as ambiguous

- Label repeat-collapse uses letter lookarounds instead of ASCII-only \b, so
  'Þverá Árnessýslu' is no longer joined and 'séð séð' collapses.
- 'til austurs og vesturs' and 'í norður og suður' name two facings and keep
  the low-confidence pose.
- Fallback name uses the frame stem when the station number is missing.
- Tests: label and heading regressions, dedupe keeps the last row, cap clamp,
  high-confidence pose, frame redirect pin; file added to format scope.
- Credit names the dataset, links the terms and states no endorsement.

src/data/dataCredits.js

@@ -324,9 +324,11 @@ export const DATA_CREDITS = [
   {
     key: 'iceland-cctv',
     html:
-      'CCTV cameras & frames (Iceland): ' +
+      'CCTV cameras & frames (Iceland): road camera images, fetched live, from the ' +
       '<a href="https://www.vegagerdin.is/" target="_blank" rel="noopener">Icelandic Road and Coastal Administration (Vegagerðin)</a> — ' +
-      '<a href="https://creativecommons.org/licenses/by/4.0/" target="_blank" rel="noopener">CC BY 4.0</a>',
+      '<a href="https://creativecommons.org/licenses/by/4.0/" target="_blank" rel="noopener">CC BY 4.0</a> ' +
+      '(<a href="https://www.vegagerdin.is/vegagerdin/gagnasafn/vefthjonustur/terms-and-conditions" target="_blank" rel="noopener">terms</a>); ' +
+      'no endorsement by IRCA is implied',
   },
   {
     key: 'kingcounty-cctv',