Builds the foundational primitives that subsequent waves depend on.
None of these introduce new deps — date-fns, react-day-picker, and
shadcn Calendar were already in the tree.
- `<DatePicker>` and `<DateTimePicker>` in src/components/ui — desktop
popover wrapping the existing shadcn Calendar (caption-dropdown nav
so reps can jump months/years for the SkipAheadBanner backfill UX),
mobile native input via useIsMobile. Drop-in for `<Input type=date>`
/ `<Input type=datetime-local>`.
- `<FileInputButton>` in src/components/ui — styled Button + hidden
input, replaces browser-default file picker UI. Most queued sweep
sites already used the hidden-input + Button-trigger pattern; the
primitive lands for any new caller plus consistent filename display
+ clear button.
- ColumnPicker `hideAll()` footer item — symmetric to existing
`showAll()`, with the same visibility gate. Lands platform-wide via
the shared component.
- Migrated highest-leverage call sites to the new primitives:
* MilestoneAdvanceButton (backfill UX)
* Reminder form (datetime-local → DateTimePicker)
* Snooze dialog (datetime-local → DateTimePicker)
* External-EOI upload dialog (date + file picker)
* Payments section (received-on date)
- Remaining 15+ date-input call sites parked for a follow-up sweep —
several use react-hook-form `register` patterns that need careful
migration to the new controlled-value contract.
tsc clean. 1419/1419 vitest pass.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Matt
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