feat: 新增物料/入库单实时 CLIP 向量提取（新建+更新），修复 I/O 延迟和路径解析静默失败

inventory-backend/app/services/inbound/buy_service.py

@@ -9,6 +9,7 @@ from sqlalchemy import or_, func, text, and_
 from sqlalchemy.exc import IntegrityError
 import traceback
 import json
+from app.utils.ai_vision import extract_and_embed
 
 
 class BuyInboundService:
@@ -177,6 +178,9 @@ class BuyInboundService:
                 arrival_photo=json.dumps(data.get('arrival_photo', [])),
                 inspection_report=json.dumps(data.get('inspection_report', []))
             )
+            # 实时提取到货图片向量（失败不影响业务）
+            if new_stock.arrival_photo:
+                new_stock.arrival_image_embedding = extract_and_embed(new_stock.arrival_photo)
             db.session.add(new_stock)
             db.session.commit()
             return new_stock