fix(face): 修复短时间内再次识别无法触发的问题

新增 RecognizeViewModel.resetFaceState()，在 resetRecognizeState() 时
同时清空粘性 LiveData 和 FaceHelper 内部 recognizeInfoMap，
防止旧 trackId 状态残留导致识别流程无法重新触发。

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

app/src/main/java/com/sw/platecabinet/utils/Debouncer.kt

@@ -1,6 +1,11 @@
 package com.sw.platecabinet.utils
 
+import timber.log.Timber
+
 class Debouncer(private val delayMillis: Long) {
+    companion object {
+        const val TAG = "Debouncer"
+    }
     private var lastActionTime = 0L
 
     /**
@@ -8,13 +13,15 @@ class Debouncer(private val delayMillis: Long) {
      * @param action 要执行的操作
      * @return Boolean 是否执行了操作 (true=已执行, false=被防抖)
      */
-    fun debounce(action: () -> Unit): Boolean {
+    fun debounce(tag:String = TAG, action: () -> Unit): Boolean {
         val currentTime = System.currentTimeMillis()
         if (currentTime - lastActionTime >= delayMillis) {
+            Timber.tag(tag).d("collectFace,recognizeUserId防止重复操作:执行action回调")
             lastActionTime = currentTime
             action()
             return true
         }
+        Timber.tag(tag).d("collectFace,recognizeUserId防止重复操作-----------------------")
         return false
     }