fix：对齐金值的报名验证，商城入口逻辑对齐

lib/features/mall/application/mall_tab_config.dart

@@ -19,7 +19,10 @@ class MallTabConfig {
     this.adId = '',
     this.trackingId = '',
     this.openMode = 'in_app',
-    this.badgeText = '',
+    this.entryPromoEnabled = false,
+    this.entryBadgeText = '',
+    this.entryTipTitle = '',
+    this.entryTipBody = '',
   });
 
   const MallTabConfig.disabled() : this(enabled: false, url: '');
@@ -30,10 +33,19 @@ class MallTabConfig {
   final String adId;
   final String trackingId;
   final String openMode;
-  final String badgeText;
+  final bool entryPromoEnabled;
+  final String entryBadgeText;
+  final String entryTipTitle;
+  final String entryTipBody;
 
   bool get isVisible => enabled && initialUri != null;
   bool get opensInApp => openMode == 'in_app';
+  bool get showsEntryBadge =>
+      isVisible && entryPromoEnabled && entryBadgeText.trim().isNotEmpty;
+  bool get showsEntryTip =>
+      isVisible &&
+      entryPromoEnabled &&
+      (entryTipTitle.trim().isNotEmpty || entryTipBody.trim().isNotEmpty);
 
   Uri? get initialUri => attributedUri(clickId: '');
 
@@ -91,24 +103,8 @@ class MallTabConfigController extends StateNotifier<MallTabConfig> {
         queryParameters: const {'placement': 'mall_tab'},
         options: protobufOptions(),
       );
-      final reply = _ProtoMessage(response.data ?? const []).message(2);
-      final enabled = _ProtoMessage(response.data ?? const []).integer(1) != 0;
-      final trackedUrl = reply.string(14);
-      final h5Url = reply.string(9);
-      final url = _validUrl(trackedUrl) ?? _validUrl(h5Url);
-      if (!enabled || url == null) {
-        state = const MallTabConfig.disabled();
-        return;
-      }
-      state = MallTabConfig(
-        enabled: true,
-        url: url,
-        title: _nonEmpty(reply.string(4), '商城'),
-        adId: reply.string(1),
-        trackingId: reply.string(10),
-        openMode: _openMode(reply.integer(15)),
-        badgeText: reply.string(17).trim(),
-      );
+      state = parseMallTabConfigResponse(response.data ?? const []);
+      if (!state.isVisible) return;
       await _report('ad_impression');
     } catch (_) {
       state = const MallTabConfig.disabled();
@@ -216,6 +212,30 @@ String _openMode(int value) => switch (value) {
   _ => 'external',
 };
 
+/// Parses the protobuf reply returned by `/api/v1/ads?placement=mall_tab`.
+MallTabConfig parseMallTabConfigResponse(List<int> bytes) {
+  final response = _ProtoMessage(bytes);
+  final reply = response.message(2);
+  final trackedUrl = reply.string(14);
+  final h5Url = reply.string(9);
+  final url = _validUrl(trackedUrl) ?? _validUrl(h5Url);
+  if (response.integer(1) == 0 || url == null) {
+    return const MallTabConfig.disabled();
+  }
+  return MallTabConfig(
+    enabled: true,
+    url: url,
+    title: _nonEmpty(reply.string(4), '商城'),
+    adId: reply.string(1),
+    trackingId: reply.string(10),
+    openMode: _openMode(reply.integer(15)),
+    entryPromoEnabled: reply.integer(16) != 0,
+    entryBadgeText: reply.string(17).trim(),
+    entryTipTitle: reply.string(18).trim(),
+    entryTipBody: reply.string(19).trim(),
+  );
+}
+
 class _ProtoMessage {
   _ProtoMessage(this._bytes);
   final List<int> _bytes;