fix(functional): yogakaraka needs a kendra among 4/7/10 and a trikona among 5/9; grouping unchanged (BUG-1158 partial)

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01N4f2nya58RoRu4yEmJgRGE

tests/test_functional_yogakaraka_kendra_trikona.py

@@ -0,0 +1,33 @@
+"""BUG-1158 partial (product decision 2026-10-02): yogakaraka needs a kendra among
+4/7/10 AND a trikona among 5/9; the benefic / malefic / neutral grouping is unchanged."""
+
+from __future__ import annotations
+
+import pytest
+
+from scripts.functional_benefics import SIGNS, derive_functional_benefic_malefic
+
+YOGAKARAKAS = {
+    "Aries": [], "Taurus": ["Saturn"], "Gemini": [], "Cancer": ["Mars"], "Leo": ["Mars"], "Virgo": [],
+    "Libra": ["Saturn"], "Scorpio": [], "Sagittarius": [], "Capricorn": ["Venus"], "Aquarius": ["Venus"], "Pisces": [],
+}
+# v1 grouping, unchanged by the narrow fix (lagna lords stay benefic).
+LAGNA_LORD_BENEFIC = {
+    "Aries": "Mars", "Taurus": "Venus", "Gemini": "Mercury", "Virgo": "Mercury", "Libra": "Venus",
+    "Scorpio": "Mars", "Sagittarius": "Jupiter", "Capricorn": "Saturn", "Aquarius": "Saturn", "Pisces": "Jupiter",
+}
+
+
+@pytest.mark.parametrize("sign", SIGNS)
+def test_yogakaraka_needs_kendra_4_7_10_and_trikona_5_9(sign: str) -> None:
+    result = derive_functional_benefic_malefic(sign)
+    assert result["yogakarakas"] == YOGAKARAKAS[sign]
+    for planet in result["yogakarakas"]:
+        houses = set(result["owned_houses"][planet])
+        assert houses & {4, 7, 10} and houses & {5, 9}
+        assert planet in result["functional_benefics"]
+
+
+@pytest.mark.parametrize("sign", sorted(LAGNA_LORD_BENEFIC))
+def test_lagna_lord_stays_benefic(sign: str) -> None:
+    assert LAGNA_LORD_BENEFIC[sign] in derive_functional_benefic_malefic(sign)["functional_benefics"]

tests/test_mcp_strict_workflow_functional_layer.py

@@ -63,7 +63,10 @@ def test_functional_benefic_module_calculates_lagna_roles_without_planets() -> N
     assert functional["owned_houses"]["Venus"] == [3, 10]
     assert "Sun" in functional["functional_benefics"]
     assert "Venus" in functional["functional_malefics"]
-    assert functional["source"] == "strict_functional_benefic_malefic_v1"
+    # 原值: source == "strict_functional_benefic_malefic_v1"
+    # 新值: "strict_functional_benefic_malefic_v2"
+    # 原因: 产品 2026-10-02 决定 yogakaraka 只认同时主 4/7/10 之一与 5/9 之一（BUG-1158 部分修复），吉凶分组不变
+    assert functional["source"] == "strict_functional_benefic_malefic_v2"
 
 
 def test_relationship_functional_layer_uses_ascendant_even_when_planets_missing() -> None:
@@ -101,4 +104,7 @@ def test_oracle_functional_benefics_cli_exposes_json_contract() -> None:
     assert "Sun" in report["functional_benefics"]
     assert "Venus" in report["functional_malefics"]
     assert "Mars" in report["yogakarakas"]
-    assert report["source"] == "strict_functional_benefic_malefic_v1"
+    # 原值: source == "strict_functional_benefic_malefic_v1"
+    # 新值: "strict_functional_benefic_malefic_v2"
+    # 原因: 产品 2026-10-02 决定 yogakaraka 只认同时主 4/7/10 之一与 5/9 之一（BUG-1158 部分修复），吉凶分组不变
+    assert report["source"] == "strict_functional_benefic_malefic_v2"