feat(divination): 重构手动起卦教程，支持三硬币交互选择

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

@@ -54,7 +54,6 @@ class DivinationRunAggregate {
   const DivinationRunAggregate({
     required this.derived,
     required this.signLevel,
-    required this.summary,
     required this.conclusion,
     required this.focusPoints,
     required this.advice,
@@ -64,7 +63,6 @@ class DivinationRunAggregate {
 
   final DerivedDivinationData derived;
   final String signLevel;
-  final String summary;
   final List<String> conclusion;
   final List<String> focusPoints;
   final List<String> advice;
@@ -82,8 +80,9 @@ class DivinationRunAggregate {
       lowerName: derived.lowerName,
       signType: signLevel,
       keywords: keywords.join('、'),
+      focusPoints: focusPoints,
       conclusion: _asBullet(conclusion),
-      analysis: summary.isEmpty ? answer : '$summary\n\n$answer',
+      analysis: answer,
       suggestion: _asBullet(advice),
       ganzhi: GanzhiData(
         yearGanZhi: derived.ganzhi.yearGanZhi,