* fix(translation): fall back to translation language for date/time locale
* fix(translation): use correct dative ordinal inflection in German monthly nth weekday settings
* fix(translation): use correct dative ordinal inflection in German monthly nth weekday settings
* fix(date-time): reset date-time locale to active UI language when override is removed
* fix(tasks): correct monthly repeat display precedence and validity checks
* refactor(tasks): use UTC-anchored Sunday for deterministic weekday-name lookups
* fix(tasks): standardize quick settings translation keys
* test(tasks): improve getTaskRepeatInfoText test coverage for monthly nth-weekday and fallbacks
* docs(i18n): explain dative form suffix for ORD_*_NTH translation keys
* translation(de): translate all missing keys in de.json to German
* fix(date-time): prevent crashes when DateAdapter is not provided or mocked
* fix(tasks): use correct dative ordinal inflection in monthly nth weekday quick settings
- Remove outdated feature requests from .github/CONTRIBUTING.md (GitLab
support already exists) and add commit message format section
- Improve PR template with type-of-change checkboxes and checklist
- Update commit guideline links in README and CONTRIBUTING.md to
reference the project's own format instead of external angular.js docs
- Add "only edit en.json" rule to TRANSLATING.md and clarify workflow
- Update add-new-integration.md provider list to match codebase (add
Trello, ClickUp, Linear, Azure DevOps, Nextcloud Deck; note GitHub
plugin migration; fix type name to BuiltInIssueProviderKey)
- Add cross-references between mac certificate docs and remove 240-line
duplicate section from update-mac-certificates.md
- Clean up update-android-app.md (specify npm version args, collapse
deprecated workflow, translate German UI labels to English)
- Add context to howto-refresh-snap-credentials.md
- Fix fine-grained token note in github-access-token-instructions.md
- Fix absolute URL to relative path in gitlab-access-token-instructions.md
- Fix grammar in i18n-script-usage.md
- Add status headers to all 19 long-term plan files (Planned, Completed,
Archived with reason, Investigation Complete)
- Fix broken relative link in hybrid-manifest-architecture.md
- Delete supersync-scenarios-simplified.md (duplicate of
supersync-scenarios.md; known issues already covered there)
- Rename vector-clock-pruning-research.md to
vector-clock-history-and-alternatives.md for clarity
- Add extract and merge modes to manage missing translations
- Implement functions to extract missing keys and merge WIP files
- Create usage documentation for the translation management script
