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/en/common.json

@@ -1183,6 +1183,12 @@
       "opaque_warning": "This script was edited outside the visual builder. Only raw Sieve editing is available.",
       "open_sieve_editor": "Open raw Sieve editor",
       "fetch_error": "Failed to load filters",
+      "expanded_view": "Expanded view",
+      "expanded_view_description": "Show filter rules with detailed condition and action blocks",
+      "if": "If",
+      "then": "Then",
+      "match_all_conditions": "all match",
+      "match_any_condition": "any matches",
       "and": "and",
       "or": "or",
       "cancel": "Cancel",