A2-A6: logging instead of print, claude-sonnet-5 model id, timezone-aware datetime, FastAPI lifespan, .docx parse errors -> HTTP 400

backend/main.py

@@ -1,6 +1,7 @@
 from __future__ import annotations
 
 import os
+from contextlib import asynccontextmanager
 
 from fastapi import FastAPI
 from fastapi.middleware.cors import CORSMiddleware
@@ -24,7 +25,14 @@ allow_credentials = os.getenv('CORS_ALLOW_CREDENTIALS', 'true').strip().lower()
 if '*' in cors_origins:
     allow_credentials = False
 
-app = FastAPI(title='Vector API', version='0.1.0')
+
+@asynccontextmanager
+async def lifespan(app: FastAPI):
+    init_db()
+    yield
+
+
+app = FastAPI(title='Vector API', version='0.1.0', lifespan=lifespan)
 
 app.add_middleware(
     CORSMiddleware,
@@ -35,11 +43,6 @@ app.add_middleware(
 )
 
 
-@app.on_event('startup')
-def startup() -> None:
-    init_db()
-
-
 app.include_router(health_router)
 app.include_router(auth_router)
 app.include_router(analyze_router)

backend/routers/admin.py

@@ -26,9 +26,12 @@ def _parse_bool(value: str | None) -> bool | None:
 
 
 def _extract_docx_text(content: bytes) -> str:
+    try:
         with zipfile.ZipFile(BytesIO(content)) as archive:
             xml = archive.read('word/document.xml')
         root = ET.fromstring(xml)
+    except (zipfile.BadZipFile, KeyError, ET.ParseError) as exc:
+        raise ValueError('Не удалось прочитать .docx: файл повреждён или имеет неверный формат') from exc
     ns = {'w': 'http://schemas.openxmlformats.org/wordprocessingml/2006/main'}
     paragraphs: list[str] = []
     for paragraph in root.findall('.//w:body/w:p', ns):
@@ -134,6 +137,9 @@ def admin_dashboard() -> dict:
 @router.post('/parse-doc', response_model=ParseDocResponse)
 async def admin_parse_doc(file: UploadFile = File(...)) -> dict:
     content = await file.read()
+    try:
         raw_text = _extract_docx_text(content)
+    except ValueError as exc:
+        raise HTTPException(status_code=400, detail=str(exc)) from exc
     preview = _coerce_preview(raw_text)
     return {'filename': file.filename, 'parsed': True, 'preview': preview, 'raw_text': raw_text}

backend/routers/analyze.py

@@ -1,6 +1,6 @@
 from __future__ import annotations
 
-from datetime import datetime
+from datetime import datetime, timezone
 from typing import Any
 from uuid import UUID
 
@@ -103,7 +103,7 @@ async def analyze_case(payload: AnalysisRequest) -> dict[str, Any]:
 
     result = {
         'case_id': str(payload.case_id) if payload.case_id else None,
-        'analyzed_at': datetime.utcnow().isoformat(),
+        'analyzed_at': datetime.now(timezone.utc).isoformat(),
         'max_distance_km': max_distance_km,
         'psychotype': psychotype,
         'psychotype_modifiers': psychotype_modifiers,

backend/services/claude_service.py

@@ -4,6 +4,7 @@ Integrates geo_service zones and scoring_service rankings.
 """
 import os
 import json
+import logging
 from typing import Dict, List, Optional
 from pydantic import BaseModel
 import httpx
@@ -11,6 +12,8 @@ import httpx
 from .geo_service import build_search_zones
 from .scoring_service import WeightedScorer
 
+logger = logging.getLogger(__name__)
+
 
 class PrimaryZone(BaseModel):
     priority: int
@@ -63,7 +66,7 @@ async def analyze_case(case_data: dict) -> AnalysisResult:
             return await analyze_with_claude(case_data, api_key)
         except Exception as e:
             # Логируем ошибку и переходим на fallback
-            print(f"Claude API unavailable: {e}. Using fallback scoring service.")
+            logger.warning(f"Claude API unavailable: {e}. Using fallback scoring service.")
 
     # Fallback: используем только scoring_service
     return await analyze_with_fallback(case_data)
@@ -108,7 +111,7 @@ async def analyze_with_claude(case_data: dict, api_key: str) -> AnalysisResult:
                 zones_data += f"лес {zone['forest_pct']}%, "
                 zones_data += f"дороги {zone['road_density']} км/км²\n"
         except Exception as e:
-            print(f"Geo/scoring service error: {e}")
+            logger.warning(f"Geo/scoring service error: {e}")
 
     # Формируем промпт на русском языке
     prompt = f"""Ты — эксперт по поисково-спасательным операциям (ПСО) МЧС Республики Беларусь. Проанализируй следующий случай пропажи человека и дай структурированные рекомендации.
@@ -154,7 +157,7 @@ async def analyze_with_claude(case_data: dict, api_key: str) -> AnalysisResult:
                 "content-type": "application/json"
             },
             json={
-                "model": "claude-sonnet-4-20250514",
+                "model": "claude-sonnet-5",
                 "max_tokens": 4096,
                 "messages": [
                     {
@@ -244,7 +247,7 @@ async def analyze_with_fallback(case_data: dict) -> AnalysisResult:
             search_radius_km = scorer.distance_multiplier * 2.0
 
         except Exception as e:
-            print(f"Geo/scoring service error in fallback: {e}")
+            logger.warning(f"Geo/scoring service error in fallback: {e}")
 
     # Если зоны не построены, используем базовые
     if not primary_zones: