[MichalBryxi]

Closes #622.

DatePicker, DateInput and Calendar hard-coded the English text that Intl and @segmentLabels don't cover, so a translated date field still announced "Choose date", "Clear" and "Next month". This adds @labels to all three, the same shape as Pagination's (#619): override any of the texts below, and whatever you leave out keeps today's default. Nothing changes for existing users.

Key	Default	Where	On
previousMonth	Previous month	previous button aria-label	Calendar, DatePicker
nextMonth	Next month	next button aria-label	Calendar, DatePicker
month	Month	month <select> aria-label (@captionLayout="dropdown")	Calendar, DatePicker
year	Year	year grid aria-label (@captionLayout="dropdown")	Calendar, DatePicker
clear	Clear	clear button's accessible name (@isClearable)	DateInput, DatePicker
chooseDate	(label) => label ? `Choose date, ${label}` : 'Choose date'	calendar button aria-label (segmented field)	DatePicker

chooseDate is a function of the field's @label because some languages put it elsewhere in the sentence. DatePicker hands @labels to its calendar as it is, and passes it in the :calendar block's args, so a custom calendar can use it too. The types are exported as CalendarLabels, DateInputLabels and DatePickerLabels.

<DatePicker @label="Začátek" @locale="cs-CZ" @labels={{hash clear="Vymazat" chooseDate=this.chooseDate nextMonth="Další měsíc"}} />

Changes

• Calendar: CalendarLabels with the English defaults, merged with @labels and passed to the header and the year grid, which read their aria-labels from it.
• DateInput: DateInputLabels (clear).
• DatePicker: DatePickerLabels (CalendarLabels plus clear and chooseDate). The end content gets the finished strings rather than building "Choose date, " + label itself. DatePickerCalendarArgs gains labels.
• Docs: a "Labels" section with a Czech demo for each of the three; the DatePicker accessibility table names the new keys.
• Tests:
  • Calendar: every label overridden; a partial override, with the rest keeping their defaults.
  • DateInput: clear overridden; the default.
  • DatePicker: every label overridden, checked on the field and in the opened calendar; the defaults; labels reaching a :calendar block.

Checks

• test-app: 2245 passed, 0 failed (3 skipped)
• eslint, prettier --check and ember-tsc --noEmit (frontile) pass.
• lint:hbs, test-app's lint:types and lint:anatomy fail identically on main (90 template-lint errors; TS 6's baseUrl deprecation; the same 8 date-input/date-picker anatomy findings). Nothing new from this branch.

🤖 Generated with Claude Code

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