接口大运年长改成 365.25 天，和推运脚本同一天（BUG-1321，上游 4d543209）

只改兜底时间线的结束日和进入本运年数这两处。同一大运起止相差 0 天。pytest tests/test_dasha_year_length_alignment.py 2 通过。增长合同仍过。

Co-Authored-By: Grok (agent loop)

scripts/jyotish_api_server.py

@@ -6378,7 +6378,7 @@ class JyotishAPIHandler(BaseHTTPRequestHandler, VedastroEvidenceMixin, SynastryM
         periods = []
         current = birth_dt
         for lord in DASHA_ORDER:
-            end_date = current + timedelta(days=period_years * 365.25636)
+            end_date = current + timedelta(days=period_years * 365.25)
             periods.append({
                 'lord': lord,
                 'years': period_years,
@@ -7398,7 +7398,7 @@ class JyotishAPIHandler(BaseHTTPRequestHandler, VedastroEvidenceMixin, SynastryM
             current_idx, current_md = analyzer.find_current(timeline, today)
             antardashas = analyzer.build_antardasha(current_md)
             current_ad = analyzer.find_current_sub(antardashas, today)
-            years_into_md = max(0.0, (today - current_md['start']).days / 365.25636)
+            years_into_md = max(0.0, (today - current_md['start']).days / 365.25)
             five_levels = enhanced.calculate_five_level_dasha(current_md['lord'], years_into_md)
             formatted_timeline = [self._format_datetime_period(period) for period in timeline]
             formatted_antardashas = [self._format_datetime_period(period) for period in antardashas]