fixes graphics

backend/app/api/routes/fitness.py

@@ -52,6 +52,17 @@ class WeightCreate(BaseModel):
     recorded_at: str | None = None
 
 
+class BodyMetricUpdate(BaseModel):
+    weight_kg: float | None = Field(default=None, gt=0)
+    body_fat_pct: float | None = Field(default=None, ge=0, le=100)
+    chest_cm: float | None = Field(default=None, ge=0)
+    waist_cm: float | None = Field(default=None, ge=0)
+    neck_cm: float | None = Field(default=None, ge=0)
+    hip_cm: float | None = Field(default=None, ge=0)
+    notes: str | None = None
+    recorded_at: str | None = None
+
+
 class BodyCompositionCalc(BaseModel):
     weight_kg: float | None = None
     height_cm: float | None = None
@@ -341,6 +352,22 @@ def list_metrics(
     return FitnessService(db, user.id).list_body_metrics(limit=limit)
 
 
+@router.patch("/fitness/body-metrics/{metric_id}")
+def update_body_metric(
+    metric_id: int,
+    payload: BodyMetricUpdate,
+    db: Session = Depends(get_db),
+    user: User = Depends(get_current_user),
+) -> dict[str, Any]:
+    updates = payload.model_dump(exclude_unset=True)
+    if not updates:
+        raise HTTPException(status_code=400, detail="No fields to update")
+    result = FitnessService(db, user.id).update_body_metric(metric_id, updates)
+    if not result:
+        raise HTTPException(status_code=404, detail="Not found")
+    return result
+
+
 @router.patch("/fitness/meals/{log_id}")
 def update_meal(
     log_id: int,