fix: align case-file rule filters with business types

app/utils/rules-config-packs.server.ts

@@ -53,6 +53,14 @@ function getMessage(payload: unknown, fallback: string): string {
 }
 
 function mapApiPackToRuleYamlPack(item: RuleConfigPackApi): RuleYamlPack {
+  const ruleTypeCode = String(item.ruleType || '').trim();
+  const businessType = (() => {
+    const segments = ruleTypeCode.split('.').map(segment => segment.trim()).filter(Boolean);
+    if (segments.length >= 2) {
+      return segments[1];
+    }
+    return item.mainType || item.documentType || '';
+  })();
   const yamlSource = (item.yamlText || '').trim() ? String(item.yamlText) : EMPTY_RULE_YAML;
   const sourceStatus = item.sourceStatus || ((item.yamlText || '').trim() ? 'ready' : 'empty');
 
@@ -64,6 +72,8 @@ function mapApiPackToRuleYamlPack(item: RuleConfigPackApi): RuleYamlPack {
       moduleType: item.moduleType || (item.documentType ? `${item.documentType}评查` : '规则配置'),
       mainType: item.mainType || item.documentType || '',
       subtype: item.subtype || '通用',
+      businessType,
+      ruleTypeCode,
     },
     yamlSource,
     sourceStatus,