✨ feat(ai): 新增 SQL 编辑器事务状态探针

- 新增 inspect_sql_editor_transaction 内置探针，返回提交模式、待提交事务和当前 SQL 页签事务语义

- 将 SQL 编辑器待提交事务状态登记到 store，供 AI 只读诊断使用

- 增加 /tx 斜杠菜单、工具目录、系统引导和回归测试

frontend/src/utils/aiBuiltinInspectionToolInfo.ts

@@ -463,6 +463,28 @@ export const BUILTIN_AI_INSPECTION_TOOL_INFO: AIBuiltinToolInfo[] = [
       },
     },
   },
+  {
+    name: "inspect_sql_editor_transaction",
+    icon: "🔁",
+    desc: "查看 SQL 编辑器事务提交状态",
+    detail:
+      "返回 SQL 编辑器 DML 托管事务语义、当前手动/自动提交设置、活动 SQL 页签是否会进入托管事务、待提交事务以及最近写入/事务执行记录。适合用户问“手动/自动提交到底是什么意思”“当前有没有事务没提交”“执行 update/insert/delete 会不会自动提交”时先读真实状态。",
+    params: "includeSqlPreview?(默认 true)",
+    tool: {
+      type: "function",
+      function: {
+        name: "inspect_sql_editor_transaction",
+        description:
+          "读取 SQL 编辑器事务状态快照，包括 DML 始终进入托管事务的真实语义、当前提交模式、自动提交延迟、活动 SQL 页签是否会触发托管事务、待提交事务列表和最近写入/事务日志。适用于用户提到 SQL 编辑器手动提交、自动提交、未提交事务、DML 执行后是否提交或事务语义不清时，先读取真实状态再解释。",
+        parameters: {
+          type: "object",
+          properties: {
+            includeSqlPreview: { type: "boolean", description: "可选，是否返回活动 SQL 页签的 SQL 预览，默认 true" },
+          },
+        },
+      },
+    },
+  },
   {
     name: "inspect_sql_risk",
     icon: "🛑",

frontend/src/utils/aiToolRegistry.test.ts

@@ -147,6 +147,7 @@ describe('aiToolRegistry', () => {
 
   it('registers the recent-sql-activity, saved-query, and sql-snippet inspectors as builtin tools', () => {
     const recentActivityTool = BUILTIN_AI_TOOL_INFO.find((item) => item.name === 'inspect_recent_sql_activity');
+    const sqlEditorTransactionTool = BUILTIN_AI_TOOL_INFO.find((item) => item.name === 'inspect_sql_editor_transaction');
     const sqlRiskTool = BUILTIN_AI_TOOL_INFO.find((item) => item.name === 'inspect_sql_risk');
     const appLogTool = BUILTIN_AI_TOOL_INFO.find((item) => item.name === 'inspect_app_logs');
     const connectionFailureTool = BUILTIN_AI_TOOL_INFO.find((item) => item.name === 'inspect_recent_connection_failures');
@@ -158,6 +159,8 @@ describe('aiToolRegistry', () => {
 
     expect(recentActivityTool?.desc).toContain('最近 SQL 活动');
     expect(recentActivityTool?.tool.function.description).toContain('最近 SQL 活动');
+    expect(sqlEditorTransactionTool?.desc).toContain('SQL 编辑器事务');
+    expect(sqlEditorTransactionTool?.tool.function.description).toContain('托管事务');
     expect(sqlRiskTool?.desc).toContain('SQL 的执行风险');
     expect(sqlRiskTool?.tool.function.description).toContain('危险点');
     expect(appLogTool?.desc).toContain('GoNavi 应用日志');
@@ -208,6 +211,7 @@ describe('aiToolRegistry', () => {
     expect(tools.some((item) => item.function.name === 'inspect_external_sql_directories')).toBe(true);
     expect(tools.some((item) => item.function.name === 'inspect_external_sql_file')).toBe(true);
     expect(tools.some((item) => item.function.name === 'inspect_recent_sql_activity')).toBe(true);
+    expect(tools.some((item) => item.function.name === 'inspect_sql_editor_transaction')).toBe(true);
     expect(tools.some((item) => item.function.name === 'inspect_sql_risk')).toBe(true);
     expect(tools.some((item) => item.function.name === 'inspect_app_logs')).toBe(true);
     expect(tools.some((item) => item.function.name === 'inspect_recent_connection_failures')).toBe(true);