feat: 任务详情补充缺失字段

新增显示：
- 状态标签（彩色文字：待抢单/待打卡/进行中/已完成）
- 截止时间（expireTime）
- 预计完成时间（preFinishTime，指派任务）
- 上报人（createName，type 3/4 时显示）

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

app/src/main/java/com/xiaoqu/watch/ui/task/TaskListFragment.kt

@@ -231,9 +231,41 @@ class TaskListFragment : BaseFragment<FragmentTaskListBinding>() {
         // 积分
         binding.tvPoints.text = detail.pointText
 
-        // 协作人（workTogether 列表）
-        // TODO: workTogether 是 List<Any>，需要确认实际结构后解析
-        binding.rowWorkers.visibility = View.GONE
+        // 状态标签
+        when (detail.status) {
+            2 -> { binding.tvStatus.text = "待抢单"; binding.tvStatus.setTextColor(requireContext().getColor(R.color.error)) }
+            3 -> { binding.tvStatus.text = "待打卡"; binding.tvStatus.setTextColor(requireContext().getColor(R.color.warning)) }
+            4 -> { binding.tvStatus.text = "进行中"; binding.tvStatus.setTextColor(requireContext().getColor(R.color.warning)) }
+            5, 6 -> { binding.tvStatus.text = "已完成"; binding.tvStatus.setTextColor(requireContext().getColor(R.color.success)) }
+            else -> { binding.tvStatus.text = "已结束"; binding.tvStatus.setTextColor(requireContext().getColor(R.color.text_secondary)) }
+        }
+
+        // 截止时间
+        if (!detail.expireTime.isNullOrEmpty()) {
+            binding.tvExpireTime.text = detail.expireTime
+            binding.rowExpire.visibility = View.VISIBLE
+        } else {
+            binding.rowExpire.visibility = View.GONE
+        }
+
+        // 预计完成时间（指派任务 type=2）
+        if (!detail.preFinishTime.isNullOrEmpty()) {
+            binding.tvPreFinishTime.text = detail.preFinishTime
+            binding.rowPreFinish.visibility = View.VISIBLE
+        } else {
+            binding.rowPreFinish.visibility = View.GONE
+        }
+
+        // 协作人
+        binding.rowWorkers.visibility = View.GONE  // TODO: workTogether 结构待确认
+
+        // 上报人（用户上报 type=3/4 时显示）
+        if (detail.createName.isNotEmpty() && detail.taskType in listOf(3, 4)) {
+            binding.tvCreatorName.text = detail.createName
+            binding.rowCreator.visibility = View.VISIBLE
+        } else {
+            binding.rowCreator.visibility = View.GONE
+        }
 
         // 描述
         if (detail.content.isNotEmpty()) {