feat: 库存接口增加 ai_mode=true 极简返回模式，键名压缩为 n/s/c

inventory-backend/app/api/v1/inbound/stock.py

@@ -137,34 +137,70 @@ def get_stock_info(uuid_or_barcode):
 def get_all_stock():
     """
     获取所有库存 > 0 的物品
+    支持 AI 极简模式: ?ai_mode=true
+      - 只返回 name / spec / availableQuantity 三个字段
+      - 键名压缩为 n / s / c
     """
+    ai_mode = request.args.get('ai_mode', '').lower() == 'true'
+
     try:
+        all_items = []
+
         # 1. 采购件
-        materials = []
         if StockBuy:
-            materials = StockBuy.query.filter(StockBuy.stock_quantity > 0).all()
+            rows = StockBuy.query.filter(
+                StockBuy.stock_quantity > 0
+            ).options(joinedload(StockBuy.base)).all()
+            for item in rows:
+                if ai_mode:
+                    b = item.base
+                    all_items.append({
+                        'n': b.name if b else '',
+                        's': b.spec_model if b else '',
+                        'c': float(item.available_quantity or 0)
+                    })
+                else:
+                    all_items.append(item.to_dict())
 
         # 2. 半成品
-        semis = []
         if StockSemi:
             try:
-                semis = StockSemi.query.filter(StockSemi.stock_quantity > 0).all()
+                rows = StockSemi.query.filter(
+                    StockSemi.stock_quantity > 0
+                ).options(joinedload(StockSemi.base)).all()
+                for item in rows:
+                    if ai_mode:
+                        b = item.base
+                        all_items.append({
+                            'n': b.name if b else '',
+                            's': b.spec_model if b else '',
+                            'c': float(item.available_quantity or 0)
+                        })
+                    else:
+                        all_items.append(item.to_dict())
             except Exception:
-                semis = []
+                pass
 
         # 3. 成品
-        products = []
         if StockProduct:
             try:
-                products = StockProduct.query.filter(StockProduct.stock_quantity > 0).all()
+                rows = StockProduct.query.filter(
+                    StockProduct.stock_quantity > 0
+                ).options(joinedload(StockProduct.base)).all()
+                for item in rows:
+                    if ai_mode:
+                        b = item.base
+                        all_items.append({
+                            'n': b.name if b else '',
+                            's': b.spec_model if b else '',
+                            'c': float(item.available_quantity or 0)
+                        })
+                    else:
+                        all_items.append(item.to_dict())
             except Exception:
-                products = []
+                pass
 
-        return jsonify({
-            "materials": [item.to_dict() for item in materials],
-            "semis": [item.to_dict() for item in semis],
-            "products": [item.to_dict() for item in products]
-        }), 200
+        return jsonify(all_items), 200
     except Exception as e:
         print(f"Error: {e}")
         return jsonify({"message": f"查询库存失败: {str(e)}"}), 500