fix: preserve strict narrative evidence

scripts/jyotish_api_server.py

@@ -2805,10 +2805,12 @@ class JyotishAPIHandler(BaseHTTPRequestHandler):
                 if not isinstance(item, dict):
                     raise BadRequest('evidence items must be objects')
                 strength = strength_map.get(str(item.get('strength', 'moderate')).strip().lower(), report_orchestrator.StrengthLevel.MODERATE)
+                technique = str(item.get('technique') or f'{theme.value}_evidence_{index + 1}')
+                conclusion_limit = 4000 if technique.endswith('-strict-narrative') else 800
                 results.append(report_orchestrator.TechniqueResult(
-                    technique=str(item.get('technique') or f'{theme.value}_evidence_{index + 1}')[:80],
+                    technique=technique[:80],
                     chart=str(item.get('chart') or 'D1')[:24],
-                    conclusion=str(item.get('conclusion') or item.get('summary') or '未提供结论')[:800],
+                    conclusion=str(item.get('conclusion') or item.get('summary') or '未提供结论')[:conclusion_limit],
                     sentiment=str(item.get('sentiment') or 'neutral').strip().lower(),
                     strength=strength,
                     details=item.get('details') if isinstance(item.get('details'), dict) else {},
@@ -3377,10 +3379,11 @@ class JyotishAPIHandler(BaseHTTPRequestHandler):
         return items
 
     def _theme_evidence(self, technique, chart, conclusion, sentiment, strength, *, source, details=None):
+        conclusion_limit = 4000 if str(technique).endswith('-strict-narrative') else 800
         return {
             'technique': technique,
             'chart': chart,
-            'conclusion': str(conclusion)[:800],
+            'conclusion': str(conclusion)[:conclusion_limit],
             'sentiment': sentiment,
             'strength': strength,
             'details': {