fix(home): serve today's starlanguage from daily guidance

The homepage was waiting on a full chart plus four extra engines, so the card timed out and showed the failure copy on every visit.

Co-authored-by: Cursor <cursoragent@cursor.com>

tests/test_daily_and_rectification_entrypoints.py

@@ -10,23 +10,21 @@ def test_daily_starlanguage_entrypoint_is_productized() -> None:
     source = PAGE.read_text(encoding="utf-8")
     assert "今日星语" in source
     assert "fetchDailyStarlanguage" in source
-    assert "buildDailyStarlanguageCard" in source
     assert "daily-starlanguage-card" in source
-    assert "今日趋势" in source
-    assert "行动建议" in source
-    assert "今日提醒" in source
     assert "draftDailyStarlanguageQuestion" in source
-    assert "探索性日提示" in source
-    assert "不是确定预测" in source
+    assert "从今日问起" in source
+    assert "今天的星语还没写出来。" in source
+    assert "buildDailyStarlanguageCard" not in source
+    assert "点这里" not in source
+    assert "不会用通用文案顶替" not in source
 
 
 def test_daily_starlanguage_api_declares_honest_source_boundary() -> None:
     source = DAILY_ROUTE.read_text(encoding="utf-8")
     assert "status: \"ok\"" in source
-    assert "/api/chart" in source
-    assert "/api/transit" in source
-    assert "jyotish_api_transit_lite" in source
-    assert "calculation_lite" in source
+    assert "/api/daily_guidance" in source
+    assert "/api/chart" not in source
+    assert "/api/transit" not in source
     assert "exploratory_unvalidated" in source
     assert "not_deterministic_prediction" in source
 
@@ -34,11 +32,8 @@ def test_daily_starlanguage_api_declares_honest_source_boundary() -> None:
 def test_birth_time_rectification_entrypoint_is_productized() -> None:
     source = PAGE.read_text(encoding="utf-8")
     assert "生时校正" in source
-    assert "fetchBirthRectificationPreview" in source
     assert "birth-rectification-card" in source
-    assert "draftBirthTimeRectificationQuestion" in source
-    assert "候选出生时间段" in source
-    assert "不能直接改写默认星盘" in source
+    assert "openRectificationFromHomepage" in source
 
 
 def test_birth_rectification_api_proxies_active_questionnaire_with_boundary() -> None:

tests/test_daily_guidance_service.py

@@ -3,6 +3,13 @@ from __future__ import annotations
 from scripts.daily_guidance_service import build_daily_guidance
 
 
+PLANETS = {"Sun", "Moon", "Mars", "Mercury", "Jupiter", "Venus", "Saturn", "Rahu", "Ketu"}
+SIGNS = {
+    "Aries", "Taurus", "Gemini", "Cancer", "Leo", "Virgo",
+    "Libra", "Scorpio", "Sagittarius", "Capricorn", "Aquarius", "Pisces",
+}
+
+
 def test_daily_guidance_returns_short_positive_evidence_packet() -> None:
     packet = build_daily_guidance({
         "year": 1990,
@@ -25,6 +32,31 @@ def test_daily_guidance_returns_short_positive_evidence_packet() -> None:
     assert packet["audit"]["not_a_prediction"] is True
     assert {"D1", "Daily Transit"} <= {row["layer"] for row in packet["evidence"]}
     assert packet["suggested_actions"]
+    assert packet["moon_house"] in range(1, 13)
+    assert packet["moon_sign"] in SIGNS
+    assert packet["ascendant_sign"] in SIGNS
+    assert packet["mahadasha_lord"] in PLANETS
+    assert packet["theme"]
+    vimshottari = next(row for row in packet["evidence"] if row["layer"] == "Vimshottari")
+    assert vimshottari["status"] == "used"
+
+
+def test_daily_guidance_changes_with_the_calendar_day() -> None:
+    body = {
+        "year": 1990,
+        "month": 1,
+        "day": 1,
+        "hour": 12,
+        "minute": 0,
+        "lat": 39.9,
+        "lon": 116.4,
+        "tz": 8,
+        "ayanamsa": "lahiri",
+        "node_mode": "mean",
+    }
+    first = build_daily_guidance({**body, "date": "2026-07-17"})
+    later = build_daily_guidance({**body, "date": "2026-08-19"})
+    assert first["moon_sign"] != later["moon_sign"] or first["moon_house"] != later["moon_house"]
 
 
 def test_daily_guidance_endpoint_is_registered() -> None: