Fix admin import chain and tests

backend/routers/stats.py

@@ -0,0 +1,35 @@
+from fastapi import APIRouter
+
+from backend.database import db
+from backend.schemas import DashboardResponse, RecommendationRequest
+
+router = APIRouter(prefix='/api/v1/stats', tags=['stats'])
+
+
+@router.get('/summary', response_model=DashboardResponse)
+def stats_summary() -> dict:
+    return db.stats()
+
+
+@router.get('/heatmap')
+def stats_heatmap() -> dict:
+    return {'items': db.heatmap()}
+
+
+@router.post('/recommendation')
+def stats_recommendation(payload: RecommendationRequest) -> dict:
+    score = 0
+    if payload.age is not None and payload.age < 12:
+        score += 20
+    if payload.elapsed_hours is not None and payload.elapsed_hours >= 12:
+        score += 20
+    if payload.terrain_primary in {'лес', 'болото', 'вода'}:
+        score += 15
+    if payload.weather in {'дождь', 'туман', 'снег', 'ночь'}:
+        score += 15
+    if len(payload.health_flags) >= 2:
+        score += 15
+    return {
+        'recommendation': 'Высокий приоритет на прочёс и дрон' if score >= 40 else 'Стандартный приоритет поиска',
+        'score': score,
+    }