refactor(providers): modularize AiProvidersPage into separate provider components

src/components/providers/ProviderStatusBar.tsx

@@ -0,0 +1,38 @@
+import { calculateStatusBarData } from '@/utils/usage';
+import styles from '@/pages/AiProvidersPage.module.scss';
+
+interface ProviderStatusBarProps {
+  statusData: ReturnType<typeof calculateStatusBarData>;
+}
+
+export function ProviderStatusBar({ statusData }: ProviderStatusBarProps) {
+  const hasData = statusData.totalSuccess + statusData.totalFailure > 0;
+  const rateClass = !hasData
+    ? ''
+    : statusData.successRate >= 90
+      ? styles.statusRateHigh
+      : statusData.successRate >= 50
+        ? styles.statusRateMedium
+        : styles.statusRateLow;
+
+  return (
+    <div className={styles.statusBar}>
+      <div className={styles.statusBlocks}>
+        {statusData.blocks.map((state, idx) => {
+          const blockClass =
+            state === 'success'
+              ? styles.statusBlockSuccess
+              : state === 'failure'
+                ? styles.statusBlockFailure
+                : state === 'mixed'
+                  ? styles.statusBlockMixed
+                  : styles.statusBlockIdle;
+          return <div key={idx} className={`${styles.statusBlock} ${blockClass}`} />;
+        })}
+      </div>
+      <span className={`${styles.statusRate} ${rateClass}`}>
+        {hasData ? `${statusData.successRate.toFixed(1)}%` : '--'}
+      </span>
+    </div>
+  );
+}