added conopy

api/app/models/terrain.py

@@ -51,6 +51,18 @@ class LosRequest(BaseModel):
     samples: int = Field(default=512, ge=2, le=2048)
 
 
+class FresnelSliceRequest(BaseModel):
+    tx: AntennaPoint
+    rx: AntennaPoint
+    frequency_mhz: float = Field(gt=0)
+    fresnel_fraction: float = Field(default=0.6, ge=0)
+    include_buildings: bool = True
+    include_canopy: bool = True
+    k_factor: float = Field(default=1.333, gt=0)
+    samples: int = Field(default=512, ge=2, le=2048)
+    building_limit: int = Field(default=5000, gt=0)
+
+
 class Obstruction(BaseModel):
     distance_m: float
     clearance_m: float
@@ -92,3 +104,11 @@ class LosResponse(BaseModel):
     vegetation_loss_db: float
     data_sources: DataSources = Field(default_factory=DataSources)
     profile_ref: str
+
+
+class FresnelSliceResponse(BaseModel):
+    path_geojson: GeoJSON
+    fresnel_geojson: GeoJSON
+    buildings_geojson: GeoJSON
+    profile: list[FresnelProfileSample]
+    data_sources: DataSources = Field(default_factory=DataSources)