让大运接口走完整解读的同一套算法，不再返回编出来的周期。

Ashtottari 在适用时把出生前已经走过的部分算进时间线。

Co-Authored-By: Grok (agent loop)

scripts/validate.py

@@ -24,10 +24,10 @@ import math
 SIGNS = ['Aries', 'Taurus', 'Gemini', 'Cancer', 'Leo', 'Virgo',
          'Libra', 'Scorpio', 'Sagittarius', 'Capricorn', 'Aquarius', 'Pisces']
 
-DASHA_YEARS = {
-    "Ketu": 7, "Venus": 20, "Sun": 6, "Moon": 10,
-    "Mars": 7, "Rahu": 18, "Jupiter": 16, "Saturn": 19, "Mercury": 17
-}
+try:
+    from dasha_common import VIMSHOTTARI_YEARS as DASHA_YEARS
+except ModuleNotFoundError:  # pragma: no cover - package import
+    from scripts.dasha_common import VIMSHOTTARI_YEARS as DASHA_YEARS
 
 EXPECTED_PLANETS = ['Sun', 'Moon', 'Mars', 'Mercury', 'Jupiter', 'Venus', 'Saturn', 'Rahu', 'Ketu']