calendar is an AUP cross-device primitive, not a Web Device layout component and not a Web-only widget. It is one of the 18 names in AUP_PRIMITIVES and appears in every target's DeviceCaps.primitives map as native, webview, partial, or unsupported.
Contract
| Field | Value |
|---|---|
| Primitive name | calendar |
| Layer | AUP cross-device primitive (AUP_PRIMITIVES) |
| Public status | unsupported (document) |
| Document capability | unsupported |
| Shared degradation chain | calendar → table → text |
| Author entry | AUP/DSL on supporting interactive targets |
| Document renderer / notes | No document native calendar renderer; chain applies |
| Showcase evidence | blocklets/showcase-dsl/.aup/pages/calendar.aup |
When to use
Month/week/day calendar composition with events on a capable target.
When not to use
Do not assume a degraded table preserves calendar semantics. No document live sample.
Document sample
Not provided. Document capability is unsupported. Shared chain: calendar → table → text. The fallback table is not a calendar product surface.
Evidence anchors
| Item | Value |
|---|---|
| Registry | packages/aup/src/aup-types.ts · AUP_PRIMITIVES |
| Document caps | providers/runtime/web-device/src/device-caps.ts · DEVICE_CAPS_DOCUMENT |
| Degradation | packages/aup/src/degradation.ts · DEGRADATION_CHAINS |
| Internal matrix | docs/aup/capability-matrix.md (internal, non-routed) |
| Taxonomy hub | Primitive taxonomy and evidence |
| Sample contract rules | Live examples: scope and contract |