UPDATE

crop_simulation/recommendation_optimizer.py

@@ -6,6 +6,7 @@ from statistics import mean
 from typing import Any
 
 from django.apps import apps
+from location_data.satellite_snapshot import build_location_satellite_snapshot
 
 from crop_simulation.services import CropSimulationService
 
@@ -141,14 +142,15 @@ def _build_weather_records(forecasts: list[Any], *, latitude: float, longitude:
 
 def _build_soil_parameters(sensor: Any) -> tuple[dict[str, Any], dict[str, Any]]:
     moisture_pct = _sensor_metric(sensor, "soil_moisture")
-    depths = []
     center_location = getattr(sensor, "center_location", None)
-    if center_location is not None:
-        depths = list(center_location.depths.all())
-
-    top_depth = depths[0] if depths else None
-    wv0033 = _safe_float(getattr(top_depth, "wv0033", None), 0.34)
-    wv1500 = _safe_float(getattr(top_depth, "wv1500", None), 0.14)
+    satellite_metrics = (
+        build_location_satellite_snapshot(center_location).get("resolved_metrics") or {}
+        if center_location is not None
+        else {}
+    )
+    ndwi = _safe_float(satellite_metrics.get("ndwi"), 0.34)
+    wv0033 = ndwi if ndwi > 0 else 0.34
+    wv1500 = max(round(wv0033 * 0.45, 3), 0.14)
 
     smfcf = _clamp(wv0033 if wv0033 > 0 else 0.34, 0.2, 0.55)
     smw = _clamp(wv1500 if wv1500 > 0 else 0.12, 0.05, smfcf - 0.02)