F1 component kit/Forms and editing/Cron / schedule builderDesktop

Cron / schedule builder

Missing · new21 · cron-builder

WeChat scheduled messages: presets plus the five cron fields, a human preview in Asia/Shanghai and the next three runs. The server validates; the client only previews.

Covers: M12. Exports: CronBuilder.

Whole page:Phone is fixed at comfortable (POWERUPS #15).Laravel · navyDTC · midnight green

Anatomy

The component as it sits in the product: English, compact, real data shapes.

Weekdays at 09:00Asia/Shanghai · 0 9 * * 1-5

Schedules are edited on desktop; phone reads and pauses.

States

5 states, left to right, top to bottom. A mock poll never finishes, so each state is drawn on purpose.

weekdays preset

Weekdays at 09:00Asia/Shanghai · 0 9 * * 1-5

Schedules are edited on desktop; phone reads and pauses.

custom

Weekdays at 09:00Asia/Shanghai · 0 9 * * 1-5

Schedules are edited on desktop; phone reads and pauses.

invalid hour

Weekdays at 09:00Asia/Shanghai · 0 9 * * 1-5

Schedules are edited on desktop; phone reads and pauses.

paused

Weekdays at 09:00Asia/Shanghai · 0 9 * * 1-5

Schedules are edited on desktop; phone reads and pauses.

preview loading

Weekdays at 09:00Asia/Shanghai · 0 9 * * 1-5

Schedules are edited on desktop; phone reads and pauses.

Density

The phone shell is always comfortable (POWERUPS #15): 44px tap targets, 16px inputs. Compact exists on desktop only; see the desktop page.

comfortable · phone default

Weekdays at 09:00Asia/Shanghai · 0 9 * * 1-5

Schedules are edited on desktop; phone reads and pauses.

English · 中文

Staff pick en or cn (T001 Q25). Labels arrive localised; CJK falls back to PingFang SC / Noto Sans SC.

Weekdays at 09:00Asia/Shanghai · 0 9 * * 1-5

Schedules are edited on desktop; phone reads and pauses.

中文 · lang=zh-Hans

工作日 09:00Asia/Shanghai · 0 9 * * 1-5

日程在桌面编辑；手机可查看与暂停。

Long string · permission denied

The long-string case (PL-063) and what a role without the permission sees (the server decides; T003).

long string

Weekdays at 09:00Asia/Shanghai · 0 9 * * 1-5

Schedules are edited on desktop; phone reads and pauses.

permission denied

Weekdays at 09:00Asia/Shanghai · 0 9 * * 1-5

Schedules are edited on desktop; phone reads and pauses.

Contract

The @rj/admin-kit API for this family. Mirrored in CONTRACT.md.

Export: CronBuilder · @rj/admin-kit
Props: value (5-field) · timezone Asia/Shanghai · presets
States: preset · custom · invalid · paused · read-only
shadcn / Radix: ToggleGroup + Input (mono)
Package underneath: cronstrue · cron-parser
Accessibility: each field labelled; the human preview is a live region
API operations: admin.wechat.messages.store / .update / .toggle · admin.schedule-monitor.index
Phone variant: read + pause only