Harden prashna production entrypoints

2026-07-16 21:54:34 +08:00
parent 0e15b05308
commit 3f86f6d77c
16 changed files with 626 additions and 51 deletions
@@ -0,0 +1,44 @@
+"""Formula-only Prasna Marga Sphuta evidence, without verdict interpretation."""
+from __future__ import annotations
+
+from typing import Any
+
+
+def _norm(value: float) -> float:
+    return float(value) % 360.0
+
+
+def calculate_sphuta_evidence(
+    *,
+    ascendant_longitude: float,
+    planet_longitudes: dict[str, Any],
+    gulika_longitude: float,
+) -> dict[str, Any]:
+    required = ("Sun", "Moon", "Rahu")
+    missing = [name for name in required if name not in planet_longitudes]
+    if missing:
+        return {"status": "blocked", "reason": "missing_sphuta_planets", "missing": missing}
+    asc = _norm(ascendant_longitude)
+    moon = _norm(planet_longitudes["Moon"])
+    sun = _norm(planet_longitudes["Sun"])
+    rahu = _norm(planet_longitudes["Rahu"])
+    gulika = _norm(gulika_longitude)
+    trisphuta = _norm(asc + moon + gulika)
+    catusphuta = _norm(trisphuta + sun)
+    pancasphuta = _norm(catusphuta + rahu)
+    return {
+        "scope": "prasna_marga_sphuta_evidence",
+        "status": "partial",
+        "points": {
+            "trisphuta": trisphuta,
+            "catusphuta": catusphuta,
+            "pancasphuta": pancasphuta,
+        },
+        "formula_trace": {
+            "trisphuta": "Lagna + Moon + Gulika",
+            "catusphuta": "Trisphuta + Sun",
+            "pancasphuta": "Catusphuta + Rahu",
+        },
+        "rule_source": "references/prashna-complete-guide.md#3.2-3.3",
+        "boundary": "Formula-only supporting evidence. No health, event, or Prashna verdict is permitted without external numeric parity and adjudication rules.",
+    }