fix(#277): 首页判定必须由可点相机入口证明

真机核对（2026-09-15）发现个人中心 tab 的根节点同样带
content-desc='拍照搜索'，覆盖全屏 [0,0][1080,2354] 且 clickable=false；
而 GoAutoAccessibilityService.visibleTexts() 会把 contentDescription 当
文本收集。原实现只按文案判 HOME，于是个人中心被判成首页，找不到可点入口
后走几何兜底，点到该页顶部最靠右的可点节点——实测那是「设置」按钮。

两处收紧：

- classify 增加 hasClickableCameraEntry，HOME 必须由可点入口证明。
- 几何兜底增加搜索栏证据（顶部区域 content-desc='搜索' 的节点），
  没有搜索栏就返回 null 而不是交出"最靠右的可点节点"。

补充回归测试：文案存在但无可点节点时必须判为 OTHER_PDD。

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NTDbDcwbDw1TSAcE6wfh2F

android/app/src/main/java/cn/ilapage/goauto/agent/automation/PinduoduoImageSearchAutomation.kt

@@ -44,10 +44,17 @@ object ImageSearchRecoveryPolicy {
     /** 归位动作上限，参考 cmroubao_old 的经验值，防止死循环。 */
     const val MAX_RECOVERY_ACTIONS = 50
 
+    /**
+     * 首页搜索栏的 content-desc，真机实测 `[381,166][765,223]` TextView 携带。
+     * 只用于证明"当前确实在带搜索栏的首页"，不作为点击目标。
+     */
+    const val SEARCH_BAR_CONTENT_DESCRIPTION = "搜索"
+
     fun classify(
         packageName: String?,
         visibleTexts: Collection<String>,
         sortControlCount: Int,
+        hasClickableCameraEntry: Boolean,
     ): ImageSearchPageKind {
         if (packageName != PDD_PACKAGE) return ImageSearchPageKind.NON_PDD
         if (PinduoduoImageSearchCriteria.isRetryDialog(visibleTexts)) return ImageSearchPageKind.RETRY_DIALOG
@@ -56,7 +63,12 @@ object ImageSearchRecoveryPolicy {
         }
         if (PinduoduoImageSearchCriteria.isImageSearchEntryPage(visibleTexts)) return ImageSearchPageKind.IMAGE_SEARCH_ENTRY
         if (visibleTexts.any { text -> ORDER_CONFIRM_MARKERS.any(text::contains) }) return ImageSearchPageKind.ORDER_CONFIRM
-        if (visibleTexts.any { it == PinduoduoImageSearchCriteria.CAMERA_ENTRY_CONTENT_DESCRIPTION }) return ImageSearchPageKind.HOME
+        // `[必须]` HOME 只能由**可点**的相机入口证明，不能只看文案。真机核对
+        // （2026-09-15）发现个人中心 tab 的根节点同样带 content-desc='拍照搜索'，
+        // 覆盖全屏且 clickable=false，而 visibleTexts() 会把 contentDescription
+        // 当文本收集。只看文案会把个人中心判成首页，随后几何兜底就会点到该页
+        // 顶部最靠右的可点节点——实测那是「设置」按钮。
+        if (hasClickableCameraEntry) return ImageSearchPageKind.HOME
         return ImageSearchPageKind.OTHER_PDD
     }
 
@@ -152,11 +164,14 @@ class PinduoduoImageSearchAutomation(
                 return ImageSearchAutomationResult(false, it.code, it.message)
             }
             val sortControlCount = visible.count { it.label in SORT_CONTROL_LABELS }
-            val kind = ImageSearchRecoveryPolicy.classify(currentPackage(), texts, sortControlCount)
+            val cameraEntry = uniqueCameraEntry(visible)
+            val kind = ImageSearchRecoveryPolicy.classify(
+                currentPackage(), texts, sortControlCount, hasClickableCameraEntry = cameraEntry != null,
+            )
             when (ImageSearchRecoveryPolicy.nextAction(kind)) {
                 ImageSearchRecoveryAction.NONE -> return ImageSearchAutomationResult(true, "OK", "已在图搜入口")
                 ImageSearchRecoveryAction.CLICK_CAMERA -> {
-                    val target = uniqueCameraEntry(visible)
+                    val target = cameraEntry
                         ?: return ImageSearchAutomationResult(false, "IMAGE_SEARCH_ENTRY_NOT_FOUND", "找不到唯一可点的拍照搜索入口")
                     driver.clickFreshDetailed(target)
                 }
@@ -184,6 +199,14 @@ class PinduoduoImageSearchAutomation(
         }
         byText.singleOrNull()?.let { return it }
         if (byText.isNotEmpty()) return null
+        // `[必须]` 几何兜底只在确实看得到顶部搜索栏时才允许。否则任何 PDD 页面都会
+        // 交出"顶部最靠右的可点节点"，在个人中心那是「设置」。实测首页搜索栏含
+        // content-desc='搜索' 的节点，个人中心没有。
+        val hasSearchBar = visible.any {
+            it.visible && it.bounds.top <= PinduoduoImageSearchCriteria.CAMERA_ENTRY_FALLBACK_MAX_TOP_PX &&
+                it.contentDescription?.trim() == ImageSearchRecoveryPolicy.SEARCH_BAR_CONTENT_DESCRIPTION
+        }
+        if (!hasSearchBar) return null
         val fallback = visible.filter {
             it.enabled && it.clickable && it.bounds.top <= PinduoduoImageSearchCriteria.CAMERA_ENTRY_FALLBACK_MAX_TOP_PX
         }

android/app/src/test/java/cn/ilapage/goauto/agent/automation/PinduoduoImageSearchAutomationTest.kt

@@ -15,45 +15,58 @@ class ImageSearchRecoveryPolicyTest {
 
     @Test
     fun `classify recognizes non-pdd package regardless of texts`() {
-        val kind = ImageSearchRecoveryPolicy.classify("com.android.launcher", entryTexts, 0)
+        val kind = ImageSearchRecoveryPolicy.classify("com.android.launcher", entryTexts, 0, hasClickableCameraEntry = false)
         assertEquals(ImageSearchPageKind.NON_PDD, kind)
     }
 
     @Test
     fun `classify recognizes image search entry page`() {
-        val kind = ImageSearchRecoveryPolicy.classify("com.xunmeng.pinduoduo", entryTexts, 0)
+        val kind = ImageSearchRecoveryPolicy.classify("com.xunmeng.pinduoduo", entryTexts, 0, hasClickableCameraEntry = false)
         assertEquals(ImageSearchPageKind.IMAGE_SEARCH_ENTRY, kind)
     }
 
     @Test
     fun `classify recognizes results page over other markers`() {
-        val kind = ImageSearchRecoveryPolicy.classify("com.xunmeng.pinduoduo", resultsTexts, 4)
+        val kind = ImageSearchRecoveryPolicy.classify("com.xunmeng.pinduoduo", resultsTexts, 4, hasClickableCameraEntry = false)
         assertEquals(ImageSearchPageKind.IMAGE_SEARCH_RESULTS, kind)
     }
 
     @Test
     fun `classify recognizes retry dialog`() {
-        val kind = ImageSearchRecoveryPolicy.classify("com.xunmeng.pinduoduo", retryTexts, 0)
+        val kind = ImageSearchRecoveryPolicy.classify("com.xunmeng.pinduoduo", retryTexts, 0, hasClickableCameraEntry = false)
         assertEquals(ImageSearchPageKind.RETRY_DIALOG, kind)
     }
 
     @Test
     fun `classify recognizes order confirm page by read-only markers without treating them as click targets`() {
-        val kind = ImageSearchRecoveryPolicy.classify("com.xunmeng.pinduoduo", listOf("提交订单", "收货地址"), 0)
+        val kind = ImageSearchRecoveryPolicy.classify("com.xunmeng.pinduoduo", listOf("提交订单", "收货地址"), 0, hasClickableCameraEntry = false)
         assertEquals(ImageSearchPageKind.ORDER_CONFIRM, kind)
         // order confirm only ever maps to BACK -- never a click action.
         assertEquals(ImageSearchRecoveryAction.BACK, ImageSearchRecoveryPolicy.nextAction(kind))
     }
 
     @Test
-    fun `classify recognizes home page via unique camera content description`() {
-        val kind = ImageSearchRecoveryPolicy.classify("com.xunmeng.pinduoduo", homeTexts, 0)
+    fun `classify recognizes home page only when a clickable camera entry exists`() {
+        val kind = ImageSearchRecoveryPolicy.classify(
+            "com.xunmeng.pinduoduo", homeTexts, 0, hasClickableCameraEntry = true,
+        )
         assertEquals(ImageSearchPageKind.HOME, kind)
     }
 
+    // 真机核对（2026-09-15）：个人中心 tab 的根节点也带 content-desc='拍照搜索'，
+    // 覆盖全屏且不可点，而 visibleTexts() 会把 contentDescription 当文本收集。
+    // 只看文案会把个人中心判成首页，几何兜底随后会点到「设置」。
+    @Test
+    fun `classify refuses home when camera text is present but nothing clickable carries it`() {
+        val kind = ImageSearchRecoveryPolicy.classify(
+            "com.xunmeng.pinduoduo", homeTexts, 0, hasClickableCameraEntry = false,
+        )
+        assertEquals(ImageSearchPageKind.OTHER_PDD, kind)
+    }
+
     @Test
     fun `classify falls back to other pdd page`() {
-        val kind = ImageSearchRecoveryPolicy.classify("com.xunmeng.pinduoduo", listOf("商品详情", "加入购物车"), 0)
+        val kind = ImageSearchRecoveryPolicy.classify("com.xunmeng.pinduoduo", listOf("商品详情", "加入购物车"), 0, hasClickableCameraEntry = false)
         assertEquals(ImageSearchPageKind.OTHER_PDD, kind)
     }