- add SelectItem model with labels and descriptions
- support filtering, wrap-around, scroll info, and selection change
- demonstrate select list filtering in Example
- add stdin buffer for escape sequences and bracketed paste
- parse control keys and CSI modifier combinations
- simplify example to focus on interactive components
- compose visible overlays into rendered lines
- add runtime APIs for showing and hiding overlays
- restore focus when overlays close
- add help overlay example
- add cursor marker extraction for rendered lines
- move the terminal cursor after full and differential renders
- update input to use the real cursor instead of a block glyph
- add text, box, and single-line input components
- support input change, submit, and cancel callbacks
- update example to compose the page from library components
- wire terminal input parsing to focused components
- render the root component tree through the renderer
- update example to exercise runtime dispatch
- define standard key names for normalized input events
- parse common terminal key sequences and bracketed paste
- update example to display parsed input events