ClideAccordion — shared accordion section with optional leading widget,
replaces private _AccordionSection in tickets and decisions views.
Phosphor arrowClockwise icon (0xe036) for refresh buttons. Full
codepoint reference CSV (1512 glyphs) at assets/fonts/phosphor/ for
icon lookup without external tools.
Co-Authored-By: Claude <noreply@anthropic.com>
