✨ feat(fanuc): 添加直角坐标点动功能与相关接口

* 新增 `MovePose` 方法，支持以直角坐标执行点到点移动。
* 引入 `LegacyCartesianPoseRequest` 类，处理直角位姿请求体的解析与验证。
* 更新 `LegacyHttpApiController`，实现 `/move_pose/` 路由以支持新功能。
* 增强状态快照元数据，提供机器人初始化状态与已上传轨迹信息。
* 更新前端状态页面，增加直角坐标点动控制面板与步长设置选项。
* 相关文档与测试用例同步更新，确保新功能的完整性与稳定性。

src/Flyshot.Core.Domain/TrajectoryResult.cs

@@ -24,7 +24,8 @@ public sealed class TrajectoryResult
         int plannedWaypointCount,
         int triggerSampleIndexOffsetCycles = 0,
         IEnumerable<IReadOnlyList<double>>? denseJointTrajectory = null,
-        FlyshotPreparedExecution? preparedFlyshotExecution = null)
+        FlyshotPreparedExecution? preparedFlyshotExecution = null,
+        IEnumerable<IReadOnlyList<double>>? denseCartesianTrajectory = null)
     {
         if (string.IsNullOrWhiteSpace(programName))
         {
@@ -60,6 +61,7 @@ public sealed class TrajectoryResult
         var copiedTriggerTimeline = triggerTimeline.ToArray();
         var copiedArtifacts = artifacts.ToArray();
         var copiedDenseJointTrajectory = denseJointTrajectory?.Select(static row => row.ToArray()).ToArray();
+        var copiedDenseCartesianTrajectory = denseCartesianTrajectory?.Select(static row => row.ToArray()).ToArray();
 
         ProgramName = programName;
         Method = method;
@@ -74,6 +76,7 @@ public sealed class TrajectoryResult
         PlannedWaypointCount = plannedWaypointCount;
         TriggerSampleIndexOffsetCycles = triggerSampleIndexOffsetCycles;
         DenseJointTrajectory = copiedDenseJointTrajectory;
+        DenseCartesianTrajectory = copiedDenseCartesianTrajectory;
         PreparedFlyshotExecution = preparedFlyshotExecution;
     }
 
@@ -156,6 +159,13 @@ public sealed class TrajectoryResult
     [JsonPropertyName("denseJointTrajectory")]
     public IReadOnlyList<IReadOnlyList<double>>? DenseJointTrajectory { get; }
 
+    /// <summary>
+    /// 获取稠密直角坐标轨迹采样点，每行格式为 [time, x, y, z, w, p, r]。
+    /// Null 表示本结果不是直角流式运动。
+    /// </summary>
+    [JsonPropertyName("denseCartesianTrajectory")]
+    public IReadOnlyList<IReadOnlyList<double>>? DenseCartesianTrajectory { get; }
+
     /// <summary>
     /// Gets the prepared flyshot execution queue when the flyshot chain has already built the final 8ms send sequence.
     /// </summary>