feat: Add hint for operators, round to square, input variable, readable operator ID. #3056 (#3057)

### What problem does this PR solve?

feat: Add hint for operators, round to square, input variable, readable
operator ID. #3056

### Type of change

- [ ] Bug Fix (non-breaking change which fixes an issue)
- [x] New Feature (non-breaking change which adds functionality)
- [ ] Documentation Update
- [ ] Refactoring
- [ ] Performance Improvement
- [ ] Other (please describe):

web/src/locales/en.ts

@@ -728,18 +728,20 @@ The above is the content you need to summarize.`,
         'The  window size of conversation history that needed to be seen by LLM. The larger the better. But be careful with the maximum content length of LLM.',
       wikipedia: 'Wikipedia',
       pubMed: 'PubMed',
+      pubMedDescription:
+        'This component is used to get search result from https://pubmed.ncbi.nlm.nih.gov/. Typically, it performs as a supplement to knowledgebases. Top N specifies the number of search results you need to adapt. E-mail is a required field.',
       email: 'Email',
       emailTip:
         'This component is used to get search result from https://pubmed.ncbi.nlm.nih.gov/. Typically, it performs as a supplement to knowledgebases. Top N specifies the number of search results you need to adapt. E-mail is a required field.',
       arXiv: 'ArXiv',
-      arXivTip:
+      arXivDescription:
         'This component is used to get search result from https://arxiv.org/. Typically, it performs as a supplement to knowledgebases. Top N specifies the number of search results you need to adapt.',
       sortBy: 'Sort by',
       submittedDate: 'Submitted date',
       lastUpdatedDate: 'Last updated date',
       relevance: 'Relevance',
       google: 'Google',
-      googleTip:
+      googleDescription:
         'This component is used to get search result fromhttps://www.google.com/ . Typically, it performs as a supplement to knowledgebases. Top N and SerpApi API key specifies the number of search results you need to adapt.',
       bing: 'Bing',
       bingTip:

web/src/locales/zh-traditional.ts

@@ -680,18 +680,21 @@ export default {
       messageHistoryWindowSizeTip:
         'LLM需要查看的對話記錄的視窗大小。越大越好。但要注意LLM的最大內容長度。',
       wikipedia: '維基百科',
+      pubMed: 'PubMed',
+      pubMedDescription:
+        '此元件用於從 https://pubmed.ncbi.nlm.nih.gov/ 取得搜尋結果。通常，它充當知識庫的補充。 Top N 指定您需要適應的搜尋結果的數量。電子郵件是必填欄位。',
       email: '信箱',
       emailTip:
         '此元件用於從 https://pubmed.ncbi.nlm.nih.gov/ 取得搜尋結果。通常，它充當知識庫的補充。 Top N 指定您需要適應的搜尋結果的數量。電子郵件是必填欄位。',
       arXiv: 'ArXiv',
-      arXivTip:
+      arXivDescription:
         '此元件用於從 https://arxiv.org/ 取得搜尋結果。通常，它充當知識庫的補充。 Top N 指定您需要適應的搜尋結果的數量。',
       sortBy: '排序方式',
       submittedDate: '提交日期',
       lastUpdatedDate: '最後更新日期',
       relevance: '關聯',
       google: 'Google',
-      googleTip:
+      googleDescription:
         '此元件用於從https://www.google.com/取得搜尋結果。通常，它作為知識庫的補充。 Top N 和 SerpApi API 金鑰指定您需要調整的搜尋結果數量。',
       bing: 'Bing',
       bingTip:

web/src/locales/zh.ts

@@ -688,7 +688,7 @@ export default {
       keywordExtract: '关键词',
       keywordExtractDescription: `该组件用于从用户的问题中提取关键词。Top N指定需要提取的关键词数量。`,
       baidu: '百度',
-      baiduDescription: `此元件用於取得www.baidu.com的搜尋結果。通常作為知識庫的補充。 Top N指定您需要適配的搜尋結果數。`,
+      baiduDescription: `此组件用于从 www.baidu.com 获取搜索结果。通常，它作为知识库的补充。Top N 指定您需要调整的搜索结果数量。`,
       duckDuckGo: 'DuckDuckGo',
       duckDuckGoDescription:
         '此元件用於從 www.duckduckgo.com 取得搜尋結果。通常，它作為知識庫的補充。 Top N 指定您需要調整的搜尋結果數。',
@@ -700,18 +700,21 @@ export default {
       messageHistoryWindowSizeTip:
         'LLM 需要查看的对话历史窗口大小。越大越好。但要注意 LLM 的最大内容长度。',
       wikipedia: '维基百科',
-      email: '邮箱',
       emailTip:
         '此组件用于从 https://pubmed.ncbi.nlm.nih.gov/ 获取搜索结果。通常，它作为知识库的补充。Top N 指定您需要调整的搜索结果数。电子邮件是必填字段。',
+      email: '邮箱',
+      pubMed: 'PubMed',
+      pubMedDescription:
+        '此组件用于从 https://pubmed.ncbi.nlm.nih.gov/ 获取搜索结果。通常，它作为知识库的补充。Top N 指定您需要调整的搜索结果数。电子邮件是必填字段。',
       arXiv: 'ArXiv',
-      arXivTip:
+      arXivDescription:
         '此组件用于从 https://arxiv.org/ 获取搜索结果。通常，它作为知识库的补充。Top N 指定您需要调整的搜索结果数量。',
       sortBy: '排序方式',
       submittedDate: '提交日期',
       lastUpdatedDate: '最后更新日期',
       relevance: '关联',
       google: 'Google',
-      googleTip:
+      googleDescription:
         '此组件用于从https://www.google.com/获取搜索结果。通常，它作为知识库的补充。Top N 和 SerpApi API 密钥指定您需要调整的搜索结果数量。',
       bing: 'Bing',
       bingTip: