feat: add brand library management features

- Introduced BrandLibrarySummary type to encapsulate brand library limits and usage.
- Updated Brand interface to include keyword_count and question_count fields.
- Implemented brand library limits in the backend, including max brands, keywords, and questions per keyword.
- Added API endpoint to retrieve brand library summary.
- Enhanced BrandsView.vue to display brand library usage and limits.
- Implemented computed properties to manage brand, keyword, and question limits in the UI.
- Updated mutation handlers to invalidate relevant queries upon creating/updating brands, keywords, and questions.
- Added visual indicators for brand, keyword, and question limits in the UI.
- Enhanced error handling for exceeding brand and keyword limits during creation.

apps/admin-web/src/i18n/messages/en-US.ts

@@ -811,6 +811,23 @@ const enUS = {
       keywords: "Keywords",
       competitors: "Competitors",
     },
+    quota: {
+      plan: "Current plan",
+      planHint: "Brand library limits are enforced from the active plan.",
+      brands: "Brand companies",
+      brandsHint: "Free defaults to 1 and paid defaults to 2.",
+      keywords: "Total keywords",
+      keywordsHint: "The total number of keywords this account can bind.",
+      questions: "Questions per keyword",
+      questionsHint: "The maximum number of questions allowed under one keyword.",
+    },
+    meta: {
+      keywordCount: "{count} keywords",
+      questionCount: "{count} questions",
+      brandKeywordCount: "{count} keywords under this brand",
+      globalKeywordUsage: "Total keywords used {used} / {total}",
+      keywordQuestionUsage: "Questions {used} / {total}",
+    },
     sections: {
       keywords: "Keywords",
       questions: "Question set",
@@ -855,6 +872,9 @@ const enUS = {
       deleteCompetitor: "Competitor deleted.",
       chooseBrand: "Please choose a brand first.",
       chooseKeyword: "Please choose a keyword first.",
+      brandLimitReached: "Your current plan allows up to {limit} brand companies.",
+      keywordLimitReached: "This account allows up to {limit} keywords.",
+      questionLimitReached: "This keyword allows up to {limit} questions.",
     },
   },
   custom: {

apps/admin-web/src/i18n/messages/zh-CN.ts

@@ -818,6 +818,23 @@ const zhCN = {
       keywords: "关键词",
       competitors: "竞品库",
     },
+    quota: {
+      plan: "当前套餐",
+      planHint: "品牌词库额度会按套餐实时生效。",
+      brands: "品牌公司",
+      brandsHint: "免费版默认 1 个，付费版默认 2 个。",
+      keywords: "关键词总量",
+      keywordsHint: "当前用户可绑定的关键词总数。",
+      questions: "每个关键词问题数",
+      questionsHint: "单个关键词下最多可维护的问题数。",
+    },
+    meta: {
+      keywordCount: "{count} 个关键词",
+      questionCount: "{count} 个问题",
+      brandKeywordCount: "当前品牌已绑定 {count} 个关键词",
+      globalKeywordUsage: "总关键词已用 {used} / {total}",
+      keywordQuestionUsage: "问题 {used} / {total}",
+    },
     sections: {
       keywords: "关键词",
       questions: "问题集",
@@ -862,6 +879,9 @@ const zhCN = {
       deleteCompetitor: "竞品已删除",
       chooseBrand: "请先选择品牌",
       chooseKeyword: "请先选择关键词",
+      brandLimitReached: "当前套餐最多可绑定 {limit} 个品牌公司",
+      keywordLimitReached: "当前账号最多可绑定 {limit} 个关键词",
+      questionLimitReached: "当前关键词下最多可维护 {limit} 个问题",
     },
   },
   custom: {