feat(insta): replace Blog Lab page with Insta cards UI

/blog-lab → /insta route. New InstaCards page consumes insta-lab API
(news/keywords/slates + 10-page card preview + prompt template editor).
25개 blog-marketing API helper 제거, 13개 insta helper 추가.

src/api.js

@@ -479,113 +479,69 @@ export function deleteBlogPost(id) {
   return apiDelete(`/api/blog/posts/${id}`);
 }
 
-// ── 블로그 마케팅 API ────────────────────────────────────────────────────────
+// ── insta-lab ────────────────────────────────────────────────────────────────
 
-export function getBlogMarketingStatus() {
-  return apiGet('/api/blog-marketing/status');
+export function getInstaStatus() {
+  return apiGet('/api/insta/status');
 }
 
-export function startResearch(keyword) {
-  return apiPost('/api/blog-marketing/research', { keyword });
+export function instaCollectNews(categories) {
+  return apiPost('/api/insta/news/collect', categories ? { categories } : {});
 }
 
-export function getResearchHistory(limit = 30) {
-  return apiGet(`/api/blog-marketing/research/history?limit=${limit}`);
+export function getInstaArticles({ category, days = 7 } = {}) {
+  const q = new URLSearchParams();
+  if (category) q.set('category', category);
+  q.set('days', String(days));
+  return apiGet(`/api/insta/news/articles?${q.toString()}`);
 }
 
-export function getResearchDetail(id) {
-  return apiGet(`/api/blog-marketing/research/${id}`);
+export function instaExtractKeywords(categories) {
+  return apiPost('/api/insta/keywords/extract', categories ? { categories } : {});
 }
 
-export function deleteResearch(id) {
-  return apiDelete(`/api/blog-marketing/research/${id}`);
+export function getInstaKeywords({ category, used } = {}) {
+  const q = new URLSearchParams();
+  if (category) q.set('category', category);
+  if (used !== undefined) q.set('used', used ? 'true' : 'false');
+  const qs = q.toString();
+  return apiGet(`/api/insta/keywords${qs ? '?' + qs : ''}`);
 }
 
-export function getBlogMarketingTask(taskId) {
-  return apiGet(`/api/blog-marketing/task/${encodeURIComponent(taskId)}`);
+export function createInstaSlate({ keyword, category, keyword_id }) {
+  return apiPost('/api/insta/slates', { keyword, category, keyword_id });
 }
 
-export function startGenerate(keywordId) {
-  return apiPost('/api/blog-marketing/generate', { keyword_id: keywordId });
+export function getInstaSlates(limit = 50) {
+  return apiGet(`/api/insta/slates?limit=${limit}`);
 }
 
-export function startReview(postId) {
-  return apiPost(`/api/blog-marketing/review/${postId}`);
+export function getInstaSlate(id) {
+  return apiGet(`/api/insta/slates/${id}`);
 }
 
-export function startRegenerate(postId) {
-  return apiPost(`/api/blog-marketing/regenerate/${postId}`);
+export function renderInstaSlate(id) {
+  return apiPost(`/api/insta/slates/${id}/render`);
 }
 
-export function getBlogMarketingPosts(status, limit = 50) {
-  const qs = new URLSearchParams();
-  if (status) qs.set('status', status);
-  if (limit) qs.set('limit', String(limit));
-  const q = qs.toString();
-  return apiGet(`/api/blog-marketing/posts${q ? '?' + q : ''}`);
+export function deleteInstaSlate(id) {
+  return apiDelete(`/api/insta/slates/${id}`);
 }
 
-export function getBlogMarketingPost(id) {
-  return apiGet(`/api/blog-marketing/posts/${id}`);
+export function getInstaAssetUrl(slateId, page) {
+  return `/api/insta/slates/${slateId}/assets/${page}`;
 }
 
-export function updateBlogMarketingPost(id, data) {
-  return apiPut(`/api/blog-marketing/posts/${id}`, data);
+export function getInstaTask(taskId) {
+  return apiGet(`/api/insta/tasks/${encodeURIComponent(taskId)}`);
 }
 
-export function deleteBlogMarketingPost(id) {
-  return apiDelete(`/api/blog-marketing/posts/${id}`);
+export function getInstaPrompt(name) {
+  return apiGet(`/api/insta/templates/prompts/${encodeURIComponent(name)}`);
 }
 
-export function publishBlogMarketingPost(id, naverUrl) {
-  return apiPost(`/api/blog-marketing/posts/${id}/publish`, { naver_url: naverUrl || '' });
-}
-
-export function getBlogMarketingCommissions(postId) {
-  const qs = postId ? `?post_id=${postId}` : '';
-  return apiGet(`/api/blog-marketing/commissions${qs}`);
-}
-
-export function addBlogMarketingCommission(data) {
-  return apiPost('/api/blog-marketing/commissions', data);
-}
-
-export function updateBlogMarketingCommission(id, data) {
-  return apiPut(`/api/blog-marketing/commissions/${id}`, data);
-}
-
-export function deleteBlogMarketingCommission(id) {
-  return apiDelete(`/api/blog-marketing/commissions/${id}`);
-}
-
-export function getBlogMarketingDashboard() {
-  return apiGet('/api/blog-marketing/dashboard');
-}
-
-// 마케터 단계
-export function startMarket(postId) {
-  return apiPost(`/api/blog-marketing/market/${postId}`);
-}
-
-// 브랜드커넥트 링크 CRUD
-export function getBrandLinks(params = {}) {
-  const qs = new URLSearchParams();
-  if (params.post_id) qs.set('post_id', String(params.post_id));
-  if (params.keyword_id) qs.set('keyword_id', String(params.keyword_id));
-  const q = qs.toString();
-  return apiGet(`/api/blog-marketing/links${q ? '?' + q : ''}`);
-}
-
-export function createBrandLink(data) {
-  return apiPost('/api/blog-marketing/links', data);
-}
-
-export function updateBrandLink(id, data) {
-  return apiPut(`/api/blog-marketing/links/${id}`, data);
-}
-
-export function deleteBrandLink(id) {
-  return apiDelete(`/api/blog-marketing/links/${id}`);
+export function putInstaPrompt(name, template, description = '') {
+  return apiPut(`/api/insta/templates/prompts/${encodeURIComponent(name)}`, { template, description });
 }
 
 // ── Agent Office ──────────────────────────────────