SearchInput changelog

Borderless mode uses the resolved Input gap and actual clear-button width, fixing insufficient native-text extension at small root sizes. Measurement reuses the shared resize manager and cleans up its subscription.
Use the actual Input content state for collapse, fixing unbound inputs remaining expanded after clearing. Do not duplicate input values, native events or business-query logic.

2026-09-21: Aligned the usage guide, source Prop table, and Site / AI reading entry. Documentation only; component behavior is unchanged.

Added responsive collapseBelow. When empty and unfocused, an explicit single-column layout reduces the control to its search icon; the former clear-button slot and gap no longer take width. Minimum width equals actual horizontal padding plus the intrinsic width of the leading Icon. Focusing or entering a value restores the real input content and interaction.
Size observation reuses the global resizeManager and does not create a component-private ResizeObserver.

Fixed width changes while entering text in a borderless SearchInput inside a shrink-to-fit host. width: auto; max-width: 100% replaces percentage width that fed back into intrinsic-size calculation; fill behavior in Flex and Block hosts is unchanged.
When borderless has a value, the Input control keeps its original grid column so the reserved clear-button column still contributes to intrinsic width. The control extends across the gap and X column, preserving text proximity to X, layering, and fade behavior.

Changed to a specialized Input-host component. Compatible Props are derived from the Input type and flattened; parts.Input was removed. DOM and styling are unchanged.

Added variant="borderless" for explicit use inside Toolbar, panels, and other existing surfaces. The component fills remaining width by default and keeps internal content vertically centered.

The built-in default Search icon becomes Black/40 in the active state. The rule is scoped to SearchInput and does not affect shared Icon styling.

Added a simple search field with built-in Search; other behavior inherits from Input.