v0.78.11

Removed

• Dashboard stylesheet cleanup: removed ~510 lines of dead and self-overriding CSS from dashboard.css — four unreferenced component generations (.dashboard-metric, .dashboard-stat, .dashboard-kpi, the old .widget-greeting/.greeting-chip block), an unused .dashboard-chip, a now-orphaned keyframe, and the redundant "Modern Skin" layer that a later block fully reverted. No visual change; rendered output is identical.