sync: 同步 sql-platform-pro 最新代码 — 权限体系安全修复 v0.8.1

- P0: 实例访问控制全线接入权限组 (829测试)
- P1: permissions字段激活 + 操作级权限检查 (843测试)
- 前端: 删除数据权限页面, 权限组合并为唯一入口
- 新增: CodeMirror编辑器 + 查询模板 + 慢查询分析
- 新增: MongoDB管理页面 + Dashboard增强
- 修复: Pydantic V2迁移 + 前端TS错误修复

backend/app/api/v1/endpoints/pool.py

@@ -0,0 +1,64 @@
+"""连接池管理 API。"""
+from typing import List
+from fastapi import APIRouter, Depends, HTTPException
+from sqlalchemy import select
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.core.database import get_db
+from app.core.security import require_role
+from app.models.user import User
+from app.models.instance import Instance
+from app.services.connection_pool import get_pool_manager
+
+router = APIRouter(prefix="/pools", tags=["连接池管理"])
+
+
+@router.get("/instances/{instance_id}/stats")
+async def pool_stats(
+    instance_id: int,
+    db: AsyncSession = Depends(get_db),
+    current_user: User = Depends(require_role("admin", "dba")),
+):
+    """获取连接池状态。"""
+    result = await db.execute(select(Instance).where(Instance.id == instance_id))
+    instance = result.scalar_one_or_none()
+    if not instance:
+        raise HTTPException(status_code=404, detail="数据源不存在")
+
+    manager = get_pool_manager()
+    stats = manager.get_pool_stats(instance_id)
+    if not stats:
+        return {
+            "instance_id": instance_id,
+            "status": "not_initialized",
+            "message": "连接池尚未初始化，将在首次查询时自动创建",
+        }
+
+    return stats.to_dict()
+
+
+@router.post("/instances/{instance_id}/reset")
+async def reset_pool(
+    instance_id: int,
+    db: AsyncSession = Depends(get_db),
+    current_user: User = Depends(require_role("admin", "dba")),
+):
+    """重置连接池。"""
+    manager = get_pool_manager()
+    await manager.reset_pool(instance_id)
+    return {"message": "连接池已重置", "instance_id": instance_id}
+
+
+@router.get("/overview")
+async def pools_overview(
+    db: AsyncSession = Depends(get_db),
+    current_user: User = Depends(require_role("admin", "dba")),
+):
+    """所有连接池概览。"""
+    manager = get_pool_manager()
+    all_stats = manager.get_all_stats()
+
+    return {
+        "total_pools": len(all_stats),
+        "pools": [stats.to_dict() for stats in all_stats.values()],
+    }