feat: 新增追问模式和iOS本地化，重构后端输出模型

apps/lib/features/divination/data/models/divination_backend_models.dart

@@ -60,6 +60,7 @@ class DivinationRunAggregate {
     required this.advice,
     required this.keywords,
     required this.answer,
+    this.status = DivinationRunStatus.success,
   });
 
   final DerivedDivinationData derived;
@@ -70,6 +71,7 @@ class DivinationRunAggregate {
   final List<String> advice;
   final List<String> keywords;
   final String answer;
+  final DivinationRunStatus status;
 
   DivinationResultData toViewData(DivinationParams params) {
     return DivinationResultData(
@@ -84,9 +86,9 @@ class DivinationRunAggregate {
       signType: signLevel,
       keywords: keywords.join('、'),
       focusPoints: focusPoints,
-      conclusion: _asBullet(conclusion),
+      conclusion: conclusion.join('\n'),
       analysis: answer,
-      suggestion: _asBullet(advice),
+      suggestion: advice.join('\n'),
       ganzhi: GanzhiData(
         yearGanZhi: derived.ganzhi.yearGanZhi,
         monthGanZhi: derived.ganzhi.monthGanZhi,
@@ -108,19 +110,9 @@ class DivinationRunAggregate {
       targetYaoLines: derived.targetYaoInfoList
           .map((line) => line.toViewModel())
           .toList(growable: false),
+      status: status,
     );
   }
-
-  String _asBullet(List<String> lines) {
-    if (lines.isEmpty) {
-      return '';
-    }
-    return List<String>.generate(
-      lines.length,
-      (i) => '${i + 1}. ${lines[i]}',
-      growable: false,
-    ).join('\n');
-  }
 }
 
 class DerivedDivinationData {