feat: check-update diff report and list refresh

app/src/main/assets/h5/js/pages/settings.js

@@ -234,9 +234,13 @@ function setupCheckUpdate(page) {
   item.onclick = () => {
     state.textContent = '检查中…';
     bridge.call('refreshManifest').then(result => {
-      let n = 0;
-      try { n = JSON.parse(result).count || 0; } catch (e) {}
-      state.textContent = n > 0 ? '已更新 ' + n + ' 个 ›' : '无更新 ›';
+      let r = { added: 0, removed: 0, changed: 0 };
+      try { r = JSON.parse(result); } catch (e) {}
+      const parts = [];
+      if (r.added > 0) parts.push('新增 ' + r.added);
+      if (r.removed > 0) parts.push('移除 ' + r.removed);
+      if (r.changed > 0) parts.push('更新 ' + r.changed);
+      state.textContent = parts.length ? parts.join('，') + ' ›' : '无更新 ›';
     }).catch(() => {
       state.textContent = '失败 ›';
     });

app/src/main/assets/h5/js/pages/webapplist.js

@@ -163,3 +163,14 @@ window.HearthEvents.webappImported = function (id, ok) {
   if (!ok) return;
   refreshList();
 };
+
+// 检查更新后刷新列表：清 preload 缓存并重渲染
+// Refresh the list after check-update: clear the preload cache and re-render
+window.HearthEvents.webappUpdated = function () {
+  if (window.preload) window.preload.webApps = null;
+  const page = document.querySelector('[data-page="webapplist"]');
+  if (page) {
+    page.dataset.loaded = '';
+    if (page.classList.contains('active')) window.loadWebAppList();
+  }
+};

app/src/main/java/top/yeij/hearth/webview/JsBridge.kt

@@ -419,16 +419,38 @@ class JsBridge(
     @android.webkit.JavascriptInterface
     fun getWallpaper(): String = wallpaper?.getWallpaperBase64() ?: ""
 
-    // 重新拉取 webAPP 清单 + 卡片目录，返回 { count }
-    // Re-fetch the webAPP manifest + card catalog, return { count }
+    // 重新拉取 webAPP 清单 + 卡片目录，返回 { added, removed, changed }
+    // Re-fetch the webAPP manifest + card catalog, return { added, removed, changed }
     @android.webkit.JavascriptInterface
     fun refreshManifest(): String {
+        val oldApps = manifestCache ?: emptyList<WebApp>()
         manifestCache = null
         val apps = webAppRepository?.fetchManifest() ?: emptyList<WebApp>()
         if (apps.isNotEmpty()) manifestCache = apps
-        val cards = cardRepository?.fetchCatalog() ?: emptyList<Card>()
-        Log.d("HearthBridge", "refreshManifest: ${apps.size} apps, ${cards.size} cards")
-        return gson.toJson(mapOf("count" to apps.size))
+        cardRepository?.fetchCatalog()
+
+        // 增量计算：新增 / 移除 / 更新（离线包版本或 URL/图标变化）
+        // Diff: added / removed / changed (offline version or URL/icon changed)
+        val oldIds = oldApps.map { it.id }.toSet()
+        val newIds = apps.map { it.id }.toSet()
+        val added = (newIds - oldIds).size
+        val removed = (oldIds - newIds).size
+        val changed = apps.count { new ->
+            val old = oldApps.find { it.id == new.id }
+            old != null && (old.offlineVersion != new.offlineVersion ||
+                old.url != new.url || old.icon != new.icon)
+        }
+        Log.d("HearthBridge", "refreshManifest: added=$added removed=$removed changed=$changed (${apps.size} apps)")
+
+        // 推送 H5 刷新列表（清 preload 缓存并重渲染）
+        // Push H5 to refresh the list (clear preload cache and re-render)
+        desktopWebViewRef?.post {
+            desktopWebViewRef?.evaluateJavascript(
+                "window.HearthEvents && window.HearthEvents.webappUpdated();",
+                null
+            )
+        }
+        return gson.toJson(mapOf("added" to added, "removed" to removed, "changed" to changed))
     }
 
     // 注册媒体会话监听，回调推送给 H5（info 为 null 时推 "null"）