新增 SQL 题型前端支持

- LANGUAGE 类型与六张语言映射表补 SQL；编辑器 SQLite 方言高亮
- 出题表单：SQL 语言选项、题型/行序配置卡片、数据脚本压缩包上传、标准答案必填校验
- 修复做题页语言回退硬编码 Python3 的问题（SQL 题会提交被拒）
- SQL 题隐藏自测猫/自测屏/复制到自测猫（外部运行器不支持 SQL）

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

src/utils/constants.ts

@@ -175,6 +175,7 @@ export const SOURCES = {
   JavaScript: "",
   Golang: "",
   Flowchart: "",
+  SQL: "",
 } as const
 
 export const LANGUAGE_ID = {
@@ -186,6 +187,7 @@ export const LANGUAGE_ID = {
   JavaScript: 0,
   Golang: 0,
   Flowchart: 0,
+  SQL: 0,
 } as const
 
 export const LANGUAGE_FORMAT_VALUE = {
@@ -197,6 +199,7 @@ export const LANGUAGE_FORMAT_VALUE = {
   JavaScript: "javascript",
   Golang: "go",
   Flowchart: "flowchart",
+  SQL: "sql",
 } as const
 
 export const LANGUAGE_SHOW_VALUE = {
@@ -208,6 +211,7 @@ export const LANGUAGE_SHOW_VALUE = {
   Python3: "Python",
   JavaScript: "JS",
   Golang: "Go",
+  SQL: "SQL",
 } as const
 
 export const ICON_SET = {
@@ -219,6 +223,7 @@ export const ICON_SET = {
   Java: "devicon:java",
   JavaScript: "devicon:javascript",
   Golang: "devicon:go",
+  SQL: "devicon:sqlite",
 } as const
 
 const cTemplate = `//TEMPLATE BEGIN
@@ -256,6 +261,7 @@ export const CODE_TEMPLATES = {
   JavaScript: blankTemplate,
   Golang: blankTemplate,
   Flowchart: blankTemplate,
+  SQL: blankTemplate,
 } as const
 
 export enum ScreenMode {

src/utils/types.ts

@@ -65,6 +65,12 @@ export type LANGUAGE =
   | "JavaScript"
   | "Golang"
   | "Flowchart"
+  | "SQL"
+
+export interface SQLConfig {
+  mode: "query" | "modify"
+  order_sensitive: boolean
+}
 
 export type LANGUAGE_SHOW_LABEL =
   (typeof LANGUAGE_SHOW_VALUE)[keyof typeof LANGUAGE_SHOW_VALUE]
@@ -164,6 +170,9 @@ export interface Problem {
     }[]
   } | null
   has_ast_rules?: boolean
+
+  // SQL 题配置（非 SQL 题为 null）
+  sql_config?: SQLConfig | null
 }
 
 export type AdminProblem = Problem & AlterProblem