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>

scripts/daily_guidance_service.py

@@ -78,26 +78,39 @@ def _moon_transit(reference_date: str, tz: float, ayanamsa: str) -> dict[str, An
     }
 
 
-def _current_dasha(chart: dict[str, Any], reference_date: str) -> dict[str, Any]:
+def _current_mahadasha(chart: dict[str, Any], body: dict[str, Any], reference_date: str) -> str | None:
     birth = chart.get("birth_info") or {}
     moon = (chart.get("planets") or {}).get("Moon") or {}
     moon_lon = moon.get("lon", moon.get("degree_raw", moon.get("degree")))
     try:
         birth_dt = datetime(
-            _safe_int(birth.get("year")),
-            _safe_int(birth.get("month"), 1),
-            _safe_int(birth.get("day"), 1),
-            _safe_int(birth.get("hour")),
-            _safe_int(birth.get("minute")),
-            _safe_int(birth.get("second")),
+            _safe_int(body.get("year"), _safe_int(birth.get("year"))),
+            _safe_int(body.get("month"), _safe_int(birth.get("month"), 1)),
+            _safe_int(body.get("day"), _safe_int(birth.get("day"), 1)),
+            _safe_int(body.get("hour"), _safe_int(birth.get("hour"))),
+            _safe_int(body.get("minute"), _safe_int(birth.get("minute"))),
+            _safe_int(body.get("second"), _safe_int(birth.get("second"))),
         )
-        return compute_vimshottari_timeline(
+        timeline = compute_vimshottari_timeline(
             birth_dt=birth_dt,
             moon_lon=float(moon_lon),
             current_date=datetime.strptime(reference_date[:10], "%Y-%m-%d"),
-        ).get("current_dasha") or {}
-    except Exception as exc:
-        return {"status": "blocked", "reason": str(exc)}
+        )
+    except Exception:
+        return None
+    periods = timeline.get("periods") if isinstance(timeline, dict) else None
+    if isinstance(periods, list):
+        for period in periods:
+            if not isinstance(period, dict):
+                continue
+            start = str(period.get("start") or "")
+            end = str(period.get("end") or "")
+            lord = period.get("lord")
+            if start and end and start <= reference_date <= end and lord:
+                return str(lord)
+    balance = timeline.get("birth_balance") if isinstance(timeline, dict) else None
+    lord = balance.get("lord") if isinstance(balance, dict) else None
+    return str(lord) if lord else None
 
 
 def build_daily_guidance(body: dict[str, Any]) -> dict[str, Any]:
@@ -110,8 +123,9 @@ def build_daily_guidance(body: dict[str, Any]) -> dict[str, Any]:
     moon_transit = _moon_transit(reference_date, tz, ayanamsa)
     moon_house = _house_from_sign(asc_sign, moon_transit.get("sign"))
     theme, action = HOUSE_THEMES.get(moon_house or 0, ("今日", "整理计划、稳步推进"))
-    dasha = _current_dasha(chart, reference_date)
-    dasha_lord = dasha.get("mahadasha_lord") or dasha.get("lord") or dasha.get("md_lord")
+    dasha_lord = _current_mahadasha(chart, body, reference_date)
+    natal_moon = (chart.get("planets") or {}).get("Moon") or {}
+    natal_moon_sign = natal_moon.get("sign") if isinstance(natal_moon, dict) else None
     evidence = [
         {
             "layer": "D1",
@@ -136,6 +150,13 @@ def build_daily_guidance(body: dict[str, Any]) -> dict[str, Any]:
         "success": True,
         "endpoint": "daily_guidance",
         "date": reference_date,
+        "theme": theme,
+        "theme_action": action,
+        "moon_house": moon_house,
+        "moon_sign": moon_transit.get("sign"),
+        "natal_moon_sign": natal_moon_sign,
+        "ascendant_sign": asc_sign,
+        "mahadasha_lord": dasha_lord,
         "daily_star_words": text,
         "word_count": len(text),
         "suggested_actions": [item.strip() for item in action.split("、")],