Maybe/config/i18n-tasks.yml

base_locale: en
fallbacks:
  - default
data:
  read:
    - config/locales/**/*%{locale}.yml
  write:
    - config/locales/**/*%{locale}.yml
  router: conservative_router
search:
  paths:
    - app/
  relative_roots:
    - app/controllers
    - app/controllers/concerns
    - app/helpers
    - app/mailers
    - app/presenters
    - app/views
  strict: false
  ## Files or `File.fnmatch` patterns to exclude from search. Some files are always excluded regardless of this setting:
  ##   *.jpg *.jpeg *.png *.gif *.svg *.ico *.eot *.otf *.ttf *.woff *.woff2 *.pdf *.css *.sass *.scss *.less
  ##   *.yml *.json *.zip *.tar.gz *.swf *.flv *.mp3 *.wav *.flac *.webm *.mp4 *.ogg *.opus *.webp *.map *.xlsx
  exclude:
    - app/assets/images
    - app/assets/fonts
    - app/assets/videos
    - app/assets/builds
ignore_unused:
  - 'activerecord.attributes.*' # i18n-tasks does not detect these on forms, forms validations (https://github.com/glebm/i18n-tasks/blob/0b4b483c82664f26c5696fb0f6aa1297356e4683/templates/config/i18n-tasks.yml#L146)
  - 'activerecord.models.*' # i18n-tasks does not detect use in dynamic model names (e.g. object.model_name.human)
  - 'activerecord.errors*'
  - 'activemodel.errors.models.*'
  - 'helpers.submit.*' # i18n-tasks does not detect used at forms
  - 'helpers.label.*' # i18n-tasks does not detect used at forms
  - 'accounts.show.sync_message_*' # messages generated in the sync ActiveJob
  - 'address.attributes.*'
  - 'date.*'
  - 'time.*'
  - 'datetime.*'
  - 'number.*'
  - 'errors.*'
  - 'helpers.*'
  - 'support.*'
  - '{credit_cards,cryptos,depositories,other_assets,other_liabilities,loans,vehicles,properties,investments}.{create,update,destroy}.success'