feat: 类型修复

src/components/Spinner.tsx

@@ -46,6 +46,7 @@ type Props = {
   pauseStartTimeRef: React.RefObject<number | null>;
   spinnerTip?: string;
   responseLengthRef: React.RefObject<number>;
+  apiMetricsRef?: React.RefObject<Array<{ ttftMs: number; firstTokenTime: number; lastTokenTime: number; responseLengthBaseline: number; endResponseLength: number }>>;
   overrideColor?: keyof Theme | null;
   overrideShimmerColor?: keyof Theme | null;
   overrideMessage?: string | null;