✨ feat(*): 添加 ConfigRoot 运行时配置目录隔离

* 新增 ControllerClientCompatOptions.ConfigRoot 及解析方法
* 兼容层默认从运行目录 Config 加载模型、轨迹和配置
* 移除隐式父工作区根目录推断，旧路径仅在显式配置时生效
* Host 项目编译时将 Config 目录复制到输出目录
* 请求响应日志中间件忽略 /api/status/snapshot 高频轮询
* 补充 ConfigRoot 和日志过滤相关单元测试

tests/Flyshot.Server.IntegrationTests/RequestResponseLoggingMiddlewareTests.cs

@@ -0,0 +1,80 @@
+using Flyshot.Server.Host.Middleware;
+using Microsoft.AspNetCore.Http;
+using Microsoft.Extensions.Logging;
+
+namespace Flyshot.Server.IntegrationTests;
+
+/// <summary>
+/// HTTP 请求响应日志中间件测试。
+/// </summary>
+public sealed class RequestResponseLoggingMiddlewareTests
+{
+    /// <summary>
+    /// 高频状态快照路径命中忽略前缀时，不应写入请求和响应日志。
+    /// </summary>
+    [Fact]
+    public async Task InvokeAsync_WhenPathMatchesIgnoredPrefix_DoesNotWriteRequestResponseLogs()
+    {
+        var logger = new CapturingLogger<RequestResponseLoggingMiddleware>();
+        var nextWasCalled = false;
+        var middleware = new RequestResponseLoggingMiddleware(
+            async context =>
+            {
+                nextWasCalled = true;
+                context.Response.StatusCode = StatusCodes.Status200OK;
+                await context.Response.WriteAsync("ok");
+            },
+            logger);
+        var context = new DefaultHttpContext();
+        context.Request.Method = HttpMethods.Get;
+        context.Request.Path = "/api/status/snapshot/current";
+        context.Response.Body = new MemoryStream();
+
+        await middleware.InvokeAsync(context);
+
+        Assert.True(nextWasCalled);
+        Assert.Empty(logger.Entries);
+    }
+
+    /// <summary>
+    /// 捕获中间件写出的日志条目，避免测试依赖真实 NLog 目标。
+    /// </summary>
+    private sealed class CapturingLogger<T> : ILogger<T>
+    {
+        /// <summary>
+        /// 已捕获的日志条目。
+        /// </summary>
+        public List<LogEntry> Entries { get; } = new();
+
+        /// <inheritdoc />
+        public IDisposable? BeginScope<TState>(TState state)
+            where TState : notnull
+        {
+            return null;
+        }
+
+        /// <inheritdoc />
+        public bool IsEnabled(LogLevel logLevel)
+        {
+            return true;
+        }
+
+        /// <inheritdoc />
+        public void Log<TState>(
+            LogLevel logLevel,
+            EventId eventId,
+            TState state,
+            Exception? exception,
+            Func<TState, Exception?, string> formatter)
+        {
+            Entries.Add(new LogEntry(logLevel, formatter(state, exception)));
+        }
+    }
+
+    /// <summary>
+    /// 测试用日志条目。
+    /// </summary>
+    /// <param name="Level">日志级别。</param>
+    /// <param name="Message">格式化后的日志消息。</param>
+    private sealed record LogEntry(LogLevel Level, string Message);
+}