expose formula-only prashna sphuta evidence

tests/test_prashna_entry_contract.py

@@ -22,7 +22,8 @@ def test_cli_prashna_uses_question_moment_swiss_context_only():
     assert payload["status"] == "computed"
     assert payload["chart_source"] == "swiss_ephemeris_backend"
     assert payload["supporting_indicators"]["gulika"]["status"] == "partial"
-    assert "Trisphuta" in payload["blocked_layers"]
+    assert payload["supporting_indicators"]["sphuta"]["status"] == "partial"
+    assert "Kunda" in payload["blocked_layers"]
 
 
 def test_cli_prashna_blocks_legacy_approximation_modes():

tests/test_prashna_sphuta.py

@@ -0,0 +1,23 @@
+from scripts.prashna_sphuta import calculate_sphuta_evidence
+
+
+def test_sphuta_formula_evidence_uses_exact_gulika_input() -> None:
+    result = calculate_sphuta_evidence(
+        ascendant_longitude=10,
+        planet_longitudes={"Moon": 20, "Sun": 30, "Rahu": 40},
+        gulika_longitude=50,
+    )
+
+    assert result["status"] == "partial"
+    assert result["points"] == {"trisphuta": 80.0, "catusphuta": 110.0, "pancasphuta": 150.0}
+
+
+def test_sphuta_evidence_blocks_missing_required_planet() -> None:
+    result = calculate_sphuta_evidence(
+        ascendant_longitude=10,
+        planet_longitudes={"Moon": 20, "Sun": 30},
+        gulika_longitude=50,
+    )
+
+    assert result["status"] == "blocked"
+    assert result["missing"] == ["Rahu"]