feat: add expanded visual view for filter rules

- Add VisualRuleSummary component showing conditions and actions as
  labeled inline pills with IF/THEN flow layout
- Add expandedFilterView toggle to settings store (persisted)
- Fix RuleSummary to allow multi-line wrapping instead of truncating
- Use items-start on rule cards so drag handle and toggle align to top
- Add translations for expanded view keys in all 8 locales

locales/nl/common.json

@@ -1183,6 +1183,12 @@
       "opaque_warning": "Dit script is buiten de visuele builder bewerkt. Alleen Sieve-scriptbewerking is beschikbaar.",
       "open_sieve_editor": "Sieve-scripteditor openen",
       "fetch_error": "Filters konden niet worden geladen",
+      "expanded_view": "Uitgebreide weergave",
+      "expanded_view_description": "Filterregels weergeven met gedetailleerde voorwaarde- en actieblokken",
+      "if": "Als",
+      "then": "Dan",
+      "match_all_conditions": "alle overeenkomen",
+      "match_any_condition": "een overeenkomt",
       "and": "en",
       "or": "of",
       "cancel": "Annuleren",