fix(cli): use white text on active tab highlight across all selectors (#1004)

Co-authored-by: Letta <noreply@letta.com>

src/cli/components/MemoryTabViewer.tsx

@@ -135,7 +135,7 @@ export function MemoryTabViewer({
             backgroundColor={
               isActive ? colors.selector.itemHighlighted : undefined
             }
-            color={isActive ? "black" : undefined}
+            color={isActive ? "white" : undefined}
             bold={isActive}
           >
             {` ${block.label} `}