新增 [Eis.Tools (line 1)](C:/Users/BI/Documents/EIS-dotnet/src/Eis.Tools/Program.cs:1)，支持 database init/reset/seed。

数据库维护、安全校验和事务逻辑位于 [DatabaseMaintenanceService.cs (line 1)](C:/Users/BI/Documents/EIS-dotnet/src/Eis.Infrastructure/Data/DatabaseMaintenanceService.cs:1)。
内置完整演示数据：1200 名考生、10800 条成绩、2404 条招生记录。
删除旧 import-test-data.mjs 和 reset-dev-database.mjs 运行入口。
Docker 镜像同时包含 Web 和 /app/tools/Eis.Tools.dll。
[package.json (line 11)](C:/Users/BI/Documents/EIS-dotnet/package.json:11) 原数据库命令已改为调用 .NET。
新增统一发布脚本：[publish.ps1 (line 1)](C:/Users/BI/Documents/EIS-dotnet/scripts/publish.ps1:1)。

src/Eis.Web/Configuration/EnvironmentFile.cs

@@ -1,45 +0,0 @@
-namespace Eis.Web.Configuration;
-
-public static class EnvironmentFile
-{
-    public static void Load(string applicationRoot)
-    {
-        var path = Path.Combine(applicationRoot, ".env");
-        if (!File.Exists(path))
-        {
-            return;
-        }
-
-        foreach (var rawLine in File.ReadLines(path))
-        {
-            var line = rawLine.Trim();
-            if (line.Length == 0 || line.StartsWith('#'))
-            {
-                continue;
-            }
-            if (line.StartsWith("export ", StringComparison.Ordinal))
-            {
-                line = line[7..].TrimStart();
-            }
-
-            var separator = line.IndexOf('=');
-            if (separator <= 0)
-            {
-                continue;
-            }
-
-            var key = line[..separator].Trim();
-            if (Environment.GetEnvironmentVariable(key) is not null)
-            {
-                continue;
-            }
-
-            var value = line[(separator + 1)..].Trim();
-            if (value.Length >= 2 && ((value[0] == '"' && value[^1] == '"') || (value[0] == '\'' && value[^1] == '\'')))
-            {
-                value = value[1..^1];
-            }
-            Environment.SetEnvironmentVariable(key, value);
-        }
-    }
-}

src/Eis.Web/Program.cs

@@ -2,6 +2,7 @@ using Eis.Infrastructure.Authentication;
 using Eis.Infrastructure.Administration;
 using Eis.Infrastructure.Candidate;
 using Eis.Infrastructure.Caching;
+using Eis.Infrastructure.Configuration;
 using Eis.Application.Public;
 using Eis.Infrastructure;
 using Eis.Infrastructure.Data;