Panel

A content surface loaded inside a surface by a runtime via content_source.url when content_source.kind is runtime_panel. Panels are the rendering target for service content within the carry layer.

Allowed:

• carry panel
• social panel
• messages panel
• time panel
• runtime panel
• panel URL (the content_source.url that the runtime fetches)

Forbidden:

• widget (implies embeddable third-party component; not the model)
• drawer (implies slide-out UI; not the model)
• sidebar (a layout concept, not a content surface)
• pane (too generic)
• modal (panels are persistent, not ephemeral overlays)

Notes:

• A panel is not the same as a surface. A surface is a self-contained contextual presentation layer within a deck (see: surface). A panel is carry-layer content loaded inside a surface via content_source.url when content_source.kind is runtime_panel. They are distinct primitives at different levels of the system.
• A surface may expose one runtime panel content source. The panel rendered from that URL is that surface's panel.
• Panel content is owned by the originating service (social panel owned by social, time panel owned by time) and composed by world.

Related:

• carry
• surface (distinct; see: surface)
• world
• runtime