Add missing referenced constants and frozen rule assets

tests/test_aspects.py

@@ -11,6 +11,7 @@ if SCRIPTS not in sys.path:
 from aspects import (
     calc_all_aspects, calc_house_aspects,
     DEFAULT_ORBS, ORBIT_CATEGORIES, SPECIAL_ASPECTS,
+    TIGHT_ORB_DEGREE,
 )
 
 # ── Graha Drishti Tests ────────────────────────────────────────────
@@ -53,6 +54,9 @@ class TestGrahaDrishti:
 # ── Exact Degree Aspects Tests ──────────────────────────────────────
 
 class TestExactDegreeAspects:
+    def test_tight_orb_constant_is_frozen_to_one_degree(self):
+        assert TIGHT_ORB_DEGREE == 1.0
+
     def test_tight_orb_categorization(self):
         assert 3 <= ORBIT_CATEGORIES['tight']
         assert ORBIT_CATEGORIES['tight'] == 3

tests/test_lakshmi_yoga.py

@@ -0,0 +1,49 @@
+#!/usr/bin/env python3
+"""Regression coverage for Lakshmi Yoga truth path in the main yoga engine."""
+
+from __future__ import annotations
+
+from scripts.yoga_engine import detect_yogas
+
+
+RULES_PATH = "references/yoga_rules.json"
+
+
+def _has_rule(results: list[dict], rule_id: str) -> bool:
+    return any(item.get("rule_id") == rule_id for item in results)
+
+
+def test_lakshmi_yoga_detects_when_ninth_lord_is_strong_in_lagna() -> None:
+    planets = {
+        "Sun": {"house": 1, "sign": "Aries", "degree": 10.0},
+        "Moon": {"house": 2, "sign": "Taurus", "degree": 15.0},
+        "Mars": {"house": 3, "sign": "Gemini", "degree": 20.0},
+        "Mercury": {"house": 1, "sign": "Aries", "degree": 12.0},
+        "Jupiter": {"house": 4, "sign": "Cancer", "degree": 18.0},
+        "Venus": {"house": 7, "sign": "Libra", "degree": 5.0},
+        "Saturn": {"house": 10, "sign": "Capricorn", "degree": 2.0},
+        "Rahu": {"house": 11, "sign": "Aquarius", "degree": 8.0},
+        "Ketu": {"house": 5, "sign": "Leo", "degree": 8.0},
+    }
+
+    results = detect_yogas(planets, "Aries", RULES_PATH)
+
+    assert _has_rule(results, "lakshmi_yoga")
+
+
+def test_lakshmi_yoga_rejects_when_ninth_lord_is_not_strong() -> None:
+    planets = {
+        "Sun": {"house": 1, "sign": "Aries", "degree": 10.0},
+        "Moon": {"house": 2, "sign": "Taurus", "degree": 15.0},
+        "Mars": {"house": 3, "sign": "Gemini", "degree": 20.0},
+        "Mercury": {"house": 1, "sign": "Aries", "degree": 12.0},
+        "Jupiter": {"house": 8, "sign": "Scorpio", "degree": 18.0},
+        "Venus": {"house": 7, "sign": "Libra", "degree": 5.0},
+        "Saturn": {"house": 10, "sign": "Capricorn", "degree": 2.0},
+        "Rahu": {"house": 11, "sign": "Aquarius", "degree": 8.0},
+        "Ketu": {"house": 5, "sign": "Leo", "degree": 8.0},
+    }
+
+    results = detect_yogas(planets, "Aries", RULES_PATH)
+
+    assert not _has_rule(results, "lakshmi_yoga")