fix: load recent photo prices independently of photo results

app/src/androidTest/java/com/yzx/kiosk/ui/face/RecentPhotosFlowTest.kt

@@ -102,7 +102,7 @@ class RecentPhotosFlowTest {
                     req.body!!.writeTo(buffer)
                     val ids = Gson().fromJson(buffer.readUtf8(), com.google.gson.JsonObject::class.java).getAsJsonArray("image_id")
                     val amount = "${ids.size() * 2}.00"
-                    val extra = electronicAmount?.let { ",\"price_electronic\":\"$it\",\"amount_electronic\":\"$it\"" }.orEmpty()
+                    val extra = electronicAmount?.let { ",\"price_electronic\":\"$it\",\"amount_electronic\":\"${it.toBigDecimal().multiply(ids.size().toBigDecimal()).toPlainString()}\"" }.orEmpty()
                     """{"code":100000,"data":{"price_image":"2.00","amount":"$amount"$extra}}"""
                 }
                 req.url.encodedPath.endsWith("get-pay-url") && payFails ->
@@ -467,7 +467,10 @@ class RecentPhotosFlowTest {
         compose.onNodeWithText("二维码加载失败").assertIsDisplayed()
         qrFails = false
         compose.onNodeWithText("重新加载").performClick()
-        compose.waitUntil(10_000) { completionVm!!.qrCodeUrl.value.isNotEmpty() }
+        // URL receipt precedes the background QR bitmap generation.
+        compose.waitUntil(10_000) {
+            compose.onAllNodesWithContentDescription("电子版照片下载二维码").fetchSemanticsNodes().isNotEmpty()
+        }
         compose.onNodeWithContentDescription("电子版照片下载二维码").assertIsDisplayed()
         compose.onNodeWithText("请在屏幕下方拿取照片").assertDoesNotExist()
         screenshot("electronic-completion")
@@ -479,12 +482,62 @@ class RecentPhotosFlowTest {
         assertEquals(papersBefore, app.appStoreDataSource.getRemainingPaperNum())
     }
 
+    @Test fun emptyRecentPhotosStillShowConfiguredUnitPrices() {
+        electronicAmount = "1.00"
+        compose.setContent { FaceRecognitionResultScreen(source = AppRoutes.RECENT_RESULT_SOURCE, viewModel = resultVm) }
+        compose.waitUntil(10_000) { resultVm.recentPhotosState.value == RecentPhotosState.EMPTY }
+        compose.waitForIdle()
+        assertTrue("Entering recent photos must request prices even when the photo list is empty",
+            requests.any { it.url.encodedPath.endsWith("verify-result") })
+        compose.waitUntil(10_000) { !resultVm.quoteLoading.value }
+        compose.onNodeWithText("打印版 2元/张").assertIsDisplayed()
+        compose.onNodeWithText("电子版 1元/张").assertIsDisplayed()
+        compose.onNodeWithText("购买打印照片\n0元").assertIsNotEnabled()
+        compose.onNodeWithText("购买电子照片\n0元").assertIsNotEnabled()
+    }
+
+    @Test fun recentPhotosSelectionUpdatesBothQuotesWithoutReloadReset() {
+        electronicAmount = "1.00"
+        val bitmap = Bitmap.createBitmap(160, 100, Bitmap.Config.ARGB_8888).apply { eraseColor(Color.BLUE) }
+        val photos = (1..2).map { id ->
+            val file = File(context.cacheDir, "recent-price-$id.png")
+            file.outputStream().use { bitmap.compress(Bitmap.CompressFormat.PNG, 100, it) }
+            val url = file.toURI().toString()
+            FaceSearchResult(id, url, url, url, url)
+        }
+        recentBody = Gson().toJson(mapOf("count" to 2, "results" to photos))
+        compose.setContent { FaceRecognitionResultScreen(source = AppRoutes.RECENT_RESULT_SOURCE, viewModel = resultVm) }
+        compose.waitUntil(10_000) { resultVm.recentPhotosState.value == RecentPhotosState.READY && !resultVm.quoteLoading.value }
+        compose.onNodeWithText("打印版 2元/张").assertIsDisplayed()
+        compose.onNodeWithText("电子版 1元/张").assertIsDisplayed()
+        compose.onNodeWithText("购买电子照片\n0元").assertIsNotEnabled()
+        assertEquals(1, requests.count { it.url.encodedPath.endsWith("verify-result") })
+        compose.runOnIdle { resultVm.toggleSelectAll() }
+        compose.waitUntil(10_000) { !resultVm.quoteLoading.value && resultVm.electronicTotal.value == "2.00" }
+        compose.onNodeWithText("购买打印照片\n4元").assertIsEnabled()
+        compose.onNodeWithText("购买电子照片\n2元").assertIsEnabled()
+        compose.runOnIdle { resultVm.loadRecentPhotos() }
+        compose.waitForIdle()
+        assertEquals("4.00", resultVm.totalPrice.value)
+        assertEquals("2.00", resultVm.electronicTotal.value)
+        assertEquals(2, requests.count { it.url.encodedPath.endsWith("verify-result") })
+        compose.runOnIdle { resultVm.toggleSelectAll() }
+        compose.waitUntil(10_000) { !resultVm.quoteLoading.value && resultVm.totalPrice.value == "0.00" }
+        compose.onNodeWithText("打印版 2元/张").assertIsDisplayed()
+        compose.onNodeWithText("电子版 1元/张").assertIsDisplayed()
+        compose.onNodeWithText("购买电子照片\n0元").assertIsNotEnabled()
+    }
+
     @Test fun errorCanRetryIntoEmptyState() {
+        electronicAmount = "1.00"
         recentCode = 403
         compose.setContent { FaceRecognitionResultScreen(source = AppRoutes.RECENT_RESULT_SOURCE, viewModel = resultVm) }
         compose.waitUntil(10_000) { resultVm.recentPhotosState.value == RecentPhotosState.ERROR }
         compose.onNodeWithText("照片加载失败，请重试").assertIsDisplayed()
-        compose.onNodeWithText("购买打印照片\n--元").assertIsNotEnabled()
+        compose.waitUntil(10_000) { !resultVm.quoteLoading.value }
+        compose.onNodeWithText("打印版 2元/张").assertIsDisplayed()
+        compose.onNodeWithText("电子版 1元/张").assertIsDisplayed()
+        compose.onNodeWithText("购买打印照片\n0元").assertIsNotEnabled()
         recentCode = 200
         compose.onNodeWithText("重试").performClick()
         compose.waitUntil(10_000) { resultVm.recentPhotosState.value == RecentPhotosState.EMPTY }

app/src/main/java/com/yzx/kiosk/ui/face/viewmodel/FaceRecognitionResultViewModel.kt

@@ -74,7 +74,11 @@ class FaceRecognitionResultViewModel @Inject constructor(
         toPage(AppRoutes.buildRecentPhotosRoute())
     }
 
-    fun loadRecentPhotos() = recentLoader.load()
+    fun loadRecentPhotos() {
+        // Pricing belongs to the page, not to a successful/non-empty photo response.
+        if (recentPhotosState.value == RecentPhotosState.IDLE) verifyResult(emptyList())
+        recentLoader.load()
+    }
     fun retryRecentPhotos() = recentLoader.load(retry = true)
 
     // 原始结果列表（用于获取图片id）
@@ -177,6 +181,7 @@ class FaceRecognitionResultViewModel @Inject constructor(
         // Returning from a pushed recent-photos page must retain selection, pricing and image state.
         if (faceResultsInitialized) return
         faceResultsInitialized = true
+        verifyResult(emptyList())
         viewModelScope.launch { applyPhotoList(results) }
     }
 
@@ -215,8 +220,6 @@ class FaceRecognitionResultViewModel @Inject constructor(
         // 初始化加载状态
         _imageLoadStates.value = initialPhotos.associate { it.url to ImageLoadState() }
 
-        // 页面初始化时调用验证接口（空列表，type: 2），获取默认价格
-        verifyResult(emptyList())
         LogUtils.d(TAG, "图片列表初始化完成，共 ${initialPhotos.size} 张，宽高比将在图片加载成功后逐张更新")
     }