refactor(quota): modularize QuotaPage into separate section components

src/utils/quota/formatters.ts

@@ -0,0 +1,68 @@
+/**
+ * Formatting functions for quota display.
+ */
+
+import type { CodexUsageWindow } from '@/types';
+import { normalizeNumberValue } from './parsers';
+
+export function formatQuotaResetTime(value?: string): string {
+  if (!value) return '-';
+  const date = new Date(value);
+  if (Number.isNaN(date.getTime())) return '-';
+  return date.toLocaleString(undefined, {
+    month: '2-digit',
+    day: '2-digit',
+    hour: '2-digit',
+    minute: '2-digit',
+    hour12: false
+  });
+}
+
+export function formatUnixSeconds(value: number | null): string {
+  if (!value) return '-';
+  const date = new Date(value * 1000);
+  if (Number.isNaN(date.getTime())) return '-';
+  return date.toLocaleString(undefined, {
+    month: '2-digit',
+    day: '2-digit',
+    hour: '2-digit',
+    minute: '2-digit',
+    hour12: false
+  });
+}
+
+export function formatCodexResetLabel(window?: CodexUsageWindow | null): string {
+  if (!window) return '-';
+  const resetAt = normalizeNumberValue(window.reset_at ?? window.resetAt);
+  if (resetAt !== null && resetAt > 0) {
+    return formatUnixSeconds(resetAt);
+  }
+  const resetAfter = normalizeNumberValue(window.reset_after_seconds ?? window.resetAfterSeconds);
+  if (resetAfter !== null && resetAfter > 0) {
+    const targetSeconds = Math.floor(Date.now() / 1000 + resetAfter);
+    return formatUnixSeconds(targetSeconds);
+  }
+  return '-';
+}
+
+export function createStatusError(message: string, status?: number): Error & { status?: number } {
+  const error = new Error(message) as Error & { status?: number };
+  if (status !== undefined) {
+    error.status = status;
+  }
+  return error;
+}
+
+export function getStatusFromError(err: unknown): number | undefined {
+  if (typeof err === 'object' && err !== null && 'status' in err) {
+    const rawStatus = (err as { status?: unknown }).status;
+    if (typeof rawStatus === 'number' && Number.isFinite(rawStatus)) {
+      return rawStatus;
+    }
+    const asNumber = Number(rawStatus);
+    if (Number.isFinite(asNumber) && asNumber > 0) {
+      return asNumber;
+    }
+  }
+  return undefined;
+}