feat(bhava-bala): reports use the formal three components; local +2/-1.5 score hidden (T4, BUG-1210)

Astrologer ruling 甲13. shadbala.calc_bhava_bala renamed calc_local_bhava_score and
removed from calc_shadbala's result (it fed the report's Bhava Bala table). New
bhava_bala.bhava_bala_from_chart (Bhavadhipati = lord's Shadbala virupas, Bhava
Dig, Bhava Drishti; equal houses as /api/bhava_bala; total and total_rupas; the
module's invented level bands not shown) drives modules.bhava_bala in the full
reading. Reader table: Bhavadhipati | Dig | Drishti | Total (Virupa) | Total
(Rupa); reference edition table and wealth/summary lines read the formal totals.
Other users of the local score: none outside shadbala.py (remedies and health
narrative read Shadbala rupas only).

Changed assertions (three columns in PROGRESS): test_shadbala_complete local-score
tests renamed; test_report_longform_gaps2 fixture rows and heading.

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

scripts/bhava_bala.py

@@ -244,3 +244,44 @@ def calc_bhava_bala(house_signs: List[str], house_degrees: List[float],
         'strongest_house': max(houses, key=lambda h: h['total'])['house'],
         'weakest_house': min(houses, key=lambda h: h['total'])['house'],
     }
+
+
+def bhava_bala_from_chart(planets: Dict, asc_sign: str, asc_degree: float, shadbala_planets: Dict) -> Dict:
+    """Formal three-component Bhava Bala for one D1 chart (BUG-1210, ruling 甲13).
+
+    `planets` rows carry `sign` and a degree (`degree_in_sign`, `degree` or a
+    longitude); `shadbala_planets` is `shadbala.calc_shadbala(...)['planets']`,
+    whose `total_virupas` is each lord's Shadbala (Bhavadhipati Bala). Houses are
+    equal houses from the Lagna degree, as `/api/bhava_bala` uses. Totals are in
+    Virupas; `total_rupas` = total / 60. The `level` bands of `calc_bhava_bala`
+    are not a classical scale and are not displayed.
+    """
+    if asc_sign not in SIGNS:
+        return {}
+    asc_idx = SIGNS.index(asc_sign)
+    house_signs = [SIGNS[(asc_idx + i) % 12] for i in range(12)]
+    house_degrees = [float(asc_degree) % 30 for _ in range(12)]
+    positions = {}
+    for name, row in (planets or {}).items():
+        if not isinstance(row, dict) or row.get('sign') not in SIGNS:
+            continue
+        degree = row.get('degree_in_sign')
+        if degree is None:
+            degree = row.get('degree', 0)
+        positions[name] = {'sign': row['sign'], 'degree': float(degree or 0) % 30}
+    virupas = {}
+    for name, row in (shadbala_planets or {}).items():
+        value = row.get('total_virupas') if isinstance(row, dict) else None
+        if isinstance(value, (int, float)):
+            virupas[name] = float(value)
+    if len(virupas) < 7:
+        return {}
+    result = calc_bhava_bala(house_signs, house_degrees, asc_sign, float(asc_degree) % 30, positions, virupas)
+    for house in result['houses']:
+        house['lord'] = SIGN_LORDS.get(house['sign'])
+        house['total_rupas'] = round(house['total'] / 60.0, 2)
+        house.pop('level', None)
+    result['method'] = 'Bhava Bala 三分量：Bhavadhipati（宫主 Shadbala）+ Bhava Dig + Bhava Drishti（jyotishganit MIT 算法，等宫）'
+    result['unit'] = 'virupa'
+    result['source'] = 'scripts/bhava_bala.py'
+    return result