refactor(WEB): 견적관리 목록 페이지 V2 URL 패턴 적용

- 목록 페이지에서 V1 등록 로직 제거
- ?mode=new → /new 리다이렉트 처리 (V1 호환)
- QuoteManagementClient 링크 V2 패턴으로 변경
  - 견적 등록: ?mode=new → /new
  - 상세 보기: ?mode=view 제거 (기본 view)
- DevToolbar test URL → V2 URL로 업데이트

src/app/[locale]/(protected)/sales/quote-management/page.tsx

@@ -1,15 +1,19 @@
 'use client';
 
 /**
- * 견적관리 페이지 (Client Component)
+ * 견적관리 목록 페이지
+ *
+ * V2 URL 패턴:
+ * - 목록: /sales/quote-management
+ * - 등록: /sales/quote-management/new
+ * - 상세: /sales/quote-management/[id]
+ * - 수정: /sales/quote-management/[id]?mode=edit
  */
 
 import { useEffect, useState } from 'react';
 import { useSearchParams, useRouter } from 'next/navigation';
 import { QuoteManagementClient } from '@/components/quotes/QuoteManagementClient';
-import { QuoteRegistration, QuoteFormData } from '@/components/quotes/QuoteRegistration';
-import { getQuotes, createQuote, transformFormDataToApi } from '@/components/quotes';
-import { toast } from 'sonner';
+import { getQuotes } from '@/components/quotes';
 
 const DEFAULT_PAGINATION = {
   currentPage: 1,
@@ -26,48 +30,29 @@ export default function QuoteManagementPage() {
   const [data, setData] = useState<Awaited<ReturnType<typeof getQuotes>>['data']>([]);
   const [pagination, setPagination] = useState(DEFAULT_PAGINATION);
   const [isLoading, setIsLoading] = useState(true);
-  const [isSaving, setIsSaving] = useState(false);
 
+  // V1 호환: ?mode=new → /new 리다이렉트
   useEffect(() => {
-    if (mode !== 'new') {
-      getQuotes({ perPage: 100 })
-        .then(result => {
-          setData(result.data);
-          setPagination(result.pagination);
-        })
-        .finally(() => setIsLoading(false));
-    } else {
-      setIsLoading(false);
+    if (mode === 'new') {
+      router.replace('/sales/quote-management/new');
+      return;
     }
-  }, [mode]);
 
+    getQuotes({ perPage: 100 })
+      .then(result => {
+        setData(result.data);
+        setPagination(result.pagination);
+      })
+      .finally(() => setIsLoading(false));
+  }, [mode, router]);
+
+  // 리다이렉트 중이면 로딩 표시
   if (mode === 'new') {
-    const handleBack = () => {
-      router.push('/sales/quote-management');
-    };
-
-    const handleSave = async (formData: QuoteFormData): Promise<{ success: boolean; error?: string }> => {
-      if (isSaving) return { success: false, error: '저장 중입니다.' };
-      setIsSaving(true);
-
-      try {
-        const apiData = transformFormDataToApi(formData);
-        const result = await createQuote(apiData as any);
-
-        if (result.success && result.data) {
-          router.push(`/sales/quote-management/${result.data.id}`);
-          return { success: true };
-        } else {
-          return { success: false, error: result.error || '견적 등록에 실패했습니다.' };
-        }
-      } catch (error) {
-        return { success: false, error: '견적 등록에 실패했습니다.' };
-      } finally {
-        setIsSaving(false);
-      }
-    };
-
-    return <QuoteRegistration onBack={handleBack} onSave={handleSave} />;
+    return (
+      <div className="flex items-center justify-center min-h-[400px]">
+        <div className="text-muted-foreground">리다이렉트 중...</div>
+      </div>
+    );
   }
 
   if (isLoading) {