feat(demohouse/shop_assist): intro bp version shop assist

demohouse/shop_assist/backend/config.py

@@ -18,3 +18,4 @@
 endpoint_id = os.getenv("LLM_ENDPOINT_ID", "doubao-1-5-pro-32k-250115")
 bucket_name = os.getenv("BUCKET_NAME", "")
 use_server_auth = os.getenv("USE_SERVER_AUTH", "False").lower() in ("true", "1", "t")
+language = os.getenv("LANGUAGE", "zh")  # 'zh' for Chinese, 'en' for English

demohouse/shop_assist/backend/data/__init__.py

@@ -1,7 +1,7 @@
 # Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
 # Licensed under the 【火山方舟】原型应用软件自用许可协议
 # you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at 
+# You may obtain a copy of the License at
 #     https://www.volcengine.com/docs/82379/1433703
 # Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,

demohouse/shop_assist/backend/data/cache.py

@@ -1,7 +1,7 @@
 # Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
 # Licensed under the 【火山方舟】原型应用软件自用许可协议
 # you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at 
+# You may obtain a copy of the License at
 #     https://www.volcengine.com/docs/82379/1433703
 # Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,

demohouse/shop_assist/backend/data/orders.py

@@ -15,12 +15,18 @@
 from typing import Dict, List, Optional
 
 from .cache import LRUCache
+import sys
+import os
+
+# Add the parent directory to sys.path to import config
+sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
+from config import language
 
 
 class OrderStatus(str, Enum):
-    SHIPPED = "已发货"
-    PENDING = "未发货"
-    REFUNDED = "已退款"
+    SHIPPED = "已发货" if language == "zh" else "Shipped"
+    PENDING = "未发货" if language == "zh" else "Not Shipped"
+    REFUNDED = "已退款" if language == "zh" else "Refunded"
 
 
 @dataclass
@@ -117,24 +123,32 @@ async def _initialize_account_orders(self, account_id: str) -> None:
         # Get cached orders or initialize new ones
         orders = self._orders.get(account_id)
         if orders is None:
+            # Product names based on language setting
+
             orders = {
                 f"{account_id}_1": Order(
                     order_id=f"{account_id}_1",
                     status=OrderStatus.SHIPPED,
-                    product="车载收纳盒",
+                    product="车载收纳盒"
+                    if language == "zh"
+                    else "Women's Floral Graphic T-Shirts",
                     account_id=account_id,
                     tracking_number=f"SF{account_id}10001",  # Fake tracking number for shipped order
                 ),
                 f"{account_id}_2": Order(
                     order_id=f"{account_id}_2",
                     status=OrderStatus.PENDING,
-                    product="汽车遮阳挡",
+                    product="汽车遮阳挡"
+                    if language == "zh"
+                    else "Long Sleeve V Neck Blouses",
                     account_id=account_id,
                 ),
                 f"{account_id}_3": Order(
                     order_id=f"{account_id}_3",
                     status=OrderStatus.PENDING,
-                    product="可爱风腰靠垫",
+                    product="可爱风腰靠垫"
+                    if language == "zh"
+                    else "Unisex Vintage Baseball Cap",
                     account_id=account_id,
                 ),
             }

demohouse/shop_assist/backend/data/product.py

@@ -1,15 +1,18 @@
 # Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
 # Licensed under the 【火山方舟】原型应用软件自用许可协议
 # you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at 
+# You may obtain a copy of the License at
 #     https://www.volcengine.com/docs/82379/1433703
 # Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-PRODUCTS = {
+from config import language
+
+# Chinese products
+PRODUCTS_ZH = {
     "栀子花车载香薰": {
         "name": "栀子花车载香薰",
         "description": "栀子花车载香薰是一款为汽车提供舒适和放松的香薰产品。它可以帮助用户缓解疲劳、缓解压力，提升驾驶体验。",
@@ -61,3 +64,56 @@
         "cover_image": "tos://xiangyuxuan-test/custom_support/product/折叠旋转电动无线充车载支架.PNG",
     },
 }
+
+# English products
+PRODUCTS_EN = {
+    "Women's Floral Graphic T-Shirts": {
+        "name": "Women's Floral Graphic T-Shirts",
+        "description": "Women's Floral Graphic T-Shirts is a soft, breathable, and easy-to-style top featuring a charming wildflower design, perfect for everyday wear and any casual occasion",
+        "cover_image": "https://sf16-sg.tiktokcdn.com/obj/eden-sg/lm_sth/ljhwZthlaukjlkulzlp/ark/application/demo/shop_guide/product/Women's Floral Graphic T-Shirts.png",
+    },
+    "Men's Straight Cut Pants": {
+        "name": "Men's Straight Cut Pants",
+        "description": "Men's Straight Cut Pants is a comfortable, all-season essential, featuring a timeless fit and easy machine-wash care.",
+        "cover_image": "https://sf16-sg.tiktokcdn.com/obj/eden-sg/lm_sth/ljhwZthlaukjlkulzlp/ark/application/demo/shop_guide/product/Men's Straight Cut Pants.png",
+    },
+    "Long Sleeve V Neck Blouses": {
+        "name": "Long Sleeve V Neck Blouses",
+        "description": "Long Sleeve V Neck Blouses is a breathable and stylish blouse, perfect for versatile, year-round wear",
+        "cover_image": "https://sf16-sg.tiktokcdn.com/obj/eden-sg/lm_sth/ljhwZthlaukjlkulzlp/ark/application/demo/shop_guide/product/Long Sleeve V Neck Blouses.png",
+    },
+    "Women's Strap Flounce Long Dress": {
+        "name": "Women's Strap Flounce Long Dress",
+        "description": "Women's Strap Flounce Long Dress is a flowing, boho-inspired piece that blends effortless beauty with a flattering design for any occasion",
+        "cover_image": "https://sf16-sg.tiktokcdn.com/obj/eden-sg/lm_sth/ljhwZthlaukjlkulzlp/ark/application/demo/shop_guide/product/Women's Strap Flounce Long Dress.png",
+    },
+    "Adult Unisex T-Shirt": {
+        "name": "Adult Unisex T-Shirt",
+        "description": "Adult Unisex T-Shirt is a durable, heavyweight essential offering all-day comfort and timeless style for everyday wear or work",
+        "cover_image": "https://sf16-sg.tiktokcdn.com/obj/eden-sg/lm_sth/ljhwZthlaukjlkulzlp/ark/application/demo/shop_guide/product/Adult Unisex T-Shirt.png",
+    },
+    "Unisex Vintage Baseball Cap": {
+        "name": "Unisex Vintage Baseball Cap",
+        "description": "Unisex Vintage Baseball Cap is a relaxed, vintage-washed essential with an unstructured crown, available in 10 colors to match any style effortlessly",
+        "cover_image": "https://sf16-sg.tiktokcdn.com/obj/eden-sg/lm_sth/ljhwZthlaukjlkulzlp/ark/application/demo/shop_guide/product/Unisex Vintage Baseball Cap.png",
+    },
+    "Pink Large Shoulder Tote Bag": {
+        "name": "Pink Large Shoulder Tote Bag",
+        "description": "Pink Large Shoulder Tote Bag is a stylish and spacious everyday essential, crafted from soft, durable material with a charming bow accent for a perfect blend of fashion and function",
+        "cover_image": "https://sf16-sg.tiktokcdn.com/obj/eden-sg/lm_sth/ljhwZthlaukjlkulzlp/ark/application/demo/shop_guide/product/Pink Large Shoulder Tote Bag.png",
+    },
+    "Ballet Flat": {
+        "name": "Ballet Flat",
+        "description": "Ballet Flat is an elegant shoe featuring a sweet bow detail and a comfortable low heel for effortless style and comfort",
+        "cover_image": "https://sf16-sg.tiktokcdn.com/obj/eden-sg/lm_sth/ljhwZthlaukjlkulzlp/ark/application/demo/shop_guide/product/Ballet Flat.png",
+    },
+}
+
+
+# Get products based on language configuration
+def get_products():
+    return PRODUCTS_ZH if language == "zh" else PRODUCTS_EN
+
+
+# For backward compatibility
+PRODUCTS = get_products()

demohouse/shop_assist/backend/data/rag.py

@@ -130,7 +130,7 @@ def retrieval_knowledge(
     )
     return (
         f"""
-# 参考资料
+# {"参考资料" if config.language == "zh" else "References"}
 <context>
 {res["result_list"]}
 {faq_res["result_list"]}

demohouse/shop_assist/backend/data/tracking.py

@@ -1,7 +1,7 @@
 # Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
 # Licensed under the 【火山方舟】原型应用软件自用许可协议
 # you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at 
+# You may obtain a copy of the License at
 #     https://www.volcengine.com/docs/82379/1433703
 # Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
@@ -13,19 +13,20 @@
 from dataclasses import dataclass
 from datetime import datetime, timedelta
 from enum import Enum
-from typing import Dict
+from typing import Dict, List
 
 from .cache import LRUCache
+from config import language
 
 
 class TrackingStatus(str, Enum):
     """Tracking status enumeration"""
 
-    PENDING = "待揽收"
-    PICKED_UP = "已揽收"
-    IN_TRANSIT = "运输中"
-    DELIVERING = "派送中"
-    DELIVERED = "已签收"
+    PENDING = "待揽收" if language == "zh" else "Waiting for pickup"
+    PICKED_UP = "已揽收" if language == "zh" else "Picked Up"
+    IN_TRANSIT = "运输中" if language == "zh" else "In transit"
+    DELIVERING = "派送中" if language == "zh" else "Out for delivery"
+    DELIVERED = "已签收" if language == "zh" else "Delivered"
 
 
 @dataclass
@@ -54,11 +55,11 @@ def _generate_tracking_info(tracking_number: str) -> Dict:
     """
     # Random locations for demo
     locations = [
-        "上海转运中心",
-        "杭州转运中心",
-        "北京转运中心",
-        "广州转运中心",
-        "深圳转运中心",
+        "上海转运中心" if language == "zh" else "Shanghai Transit Center",
+        "杭州转运中心" if language == "zh" else "Hangzhou Transit Center",
+        "北京转运中心" if language == "zh" else "Beijing Transit Center",
+        "广州转运中心" if language == "zh" else "Guangzhou Transit Center",
+        "深圳转运中心" if language == "zh" else "Shenzhen Transit Center",
     ]
 
     # Base time for events (now - 3 days)
@@ -73,13 +74,22 @@ def _generate_tracking_info(tracking_number: str) -> Dict:
         event_time = base_time + timedelta(hours=i * 8)  # 8 hours between events
         location = random.choice(locations)
 
-        description = {
-            TrackingStatus.PENDING: f"包裹在{location}等待揽收",
-            TrackingStatus.PICKED_UP: f"快递员已在{location}揽收",
-            TrackingStatus.IN_TRANSIT: f"包裹已到达{location}",
-            TrackingStatus.DELIVERING: f"包裹已到达{location}，正在派送",
-            TrackingStatus.DELIVERED: f"包裹已在{location}签收",
-        }[status]
+        if language == "zh":
+            description = {
+                TrackingStatus.PENDING: f"包裹在{location}等待揽收",
+                TrackingStatus.PICKED_UP: f"快递员已在{location}揽收",
+                TrackingStatus.IN_TRANSIT: f"包裹已到达{location}",
+                TrackingStatus.DELIVERING: f"包裹已到达{location}，正在派送",
+                TrackingStatus.DELIVERED: f"包裹已在{location}签收",
+            }[status]
+        else:
+            description = {
+                TrackingStatus.PENDING: f"The package is waiting for pickup at {location}",
+                TrackingStatus.PICKED_UP: f"The courier has picked up the package at {location}",
+                TrackingStatus.IN_TRANSIT: f"The package has arrived at {location}",
+                TrackingStatus.DELIVERING: f"The package has arrived at {location} and is out for delivery",
+                TrackingStatus.DELIVERED: f"The package has been delivered and signed for at {location}",
+            }[status]
 
         events.append(
             {

demohouse/shop_assist/backend/main.py

@@ -13,9 +13,10 @@
 from typing import AsyncIterable, List, Union
 
 import pandas as pd
-from config import endpoint_id
+from volcenginesdkarkruntime import AsyncArk
+from config import endpoint_id, language
 from data import rag
-from data.product import PRODUCTS
+from data.product import get_products
 from data.rag import retrieval_knowledge
 from fastapi import HTTPException
 from next_question import next_question_chat
@@ -61,7 +62,7 @@ async def custom_support_chat(
         "support_functions",
         [*FUNCTION_MAP],
     )
-    products = meta_data.get("product_list", [*PRODUCTS])
+    products = meta_data.get("product_list", [*get_products()])
 
     # insert knowledge
     tools, system_prompt = register_support_functions(functions, products, account_id)
@@ -73,7 +74,11 @@ async def custom_support_chat(
             "op": "or",
             "conds": [
                 {"op": "must", "field": "account_id", "conds": [account_id]},
-                {"op": "must", "field": "产品名", "conds": products},
+                {
+                    "op": "must",
+                    "field": "产品名" if language == "zh" else "product_name",
+                    "conds": products,
+                },
             ],
         },
     )
@@ -83,7 +88,6 @@ async def custom_support_chat(
         parameters=parameters,
     )
 
-    print(await build_tool_pool(tools).list_tools(False))
     if request.stream:
         async for resp in llm.astream(
             functions=tools,
@@ -105,7 +109,7 @@ async def custom_support_chat(
 
 class Product(BaseModel):
     name: str
-    description: str = Field(..., max_length=100)
+    description: str
     cover_image: str
 
 
@@ -115,9 +119,10 @@ class ProductListResponse(BaseModel):
 
 
 async def list_products():
+    products_dict = get_products()
     return ProductListResponse(
-        products=[Product(**v) for v in PRODUCTS.values()],
-        total=len(PRODUCTS),
+        products=[Product(**v) for v in products_dict.values()],
+        total=len(products_dict),
     )
 
 
@@ -160,7 +165,17 @@ async def save_faq(faq: FAQRequest):
         endpoint_config=get_endpoint_config(
             "/api/v3/bots/chat/completions", custom_support_chat
         ),
-        clients=get_default_client_configs(),
+        clients={
+            "ark": (
+                AsyncArk,
+                {
+                    "base_url": "https://ark.cn-beijing.volces.com/api/v3"
+                    if language == "zh"
+                    else "https://ark.ap-southeast.volces.com/api/v3",
+                    "region": "cn-beijing" if language == "zh" else "ap-southeast-1",
+                },
+            ),
+        },
     )
     server.app.add_api_route(
         "/api/v3/bots/chat/completions",

demohouse/shop_assist/backend/next_question.py

@@ -11,7 +11,7 @@
 
 from typing import AsyncIterable
 
-from config import endpoint_id
+from config import endpoint_id, language
 from utils import get_auth_header, merge_msgs
 
 from arkitect.core.component.llm import BaseChatLanguageModel
@@ -29,8 +29,8 @@ async def next_question_chat(request: ArkChatRequest) -> AsyncIterable[Response]
     """
     Summarize the conversation between customer service and customer.
     """
-    # Add system prompt for summary
-    system_prompt = """# 角色
+    # Chinese system prompt
+    system_prompt_zh = """# 角色
 你是一位在抖音车载用品网店购物的潜在消费者，正在与客服进行口语化的文字交流。现在收到的输入是，你（user）与客服（assistant）正在进行对话
 # 任务描述与要求
 1. 仔细阅读给出的上下文内容，精准把握其中的关键信息，聚焦已提及的信息。
@@ -53,6 +53,35 @@ async def next_question_chat(request: ArkChatRequest) -> AsyncIterable[Response]
 查一下我的所有订单
 订单编号查询"""
 
+    # English system prompt
+    system_prompt_en = """
+# Role
+You are a potential customer shopping on a Clothes & Fashion e-commerce platform, engaging in a conversation with a customer service. The input you are about to receive is a dialogue between you (user) and the customer service (assistant).
+# Task Description and Requirements
+1. Carefully read the given context and accurately grasp the key information, focusing only on the information already mentioned.
+2. Based on the Clothes & Fashion e-commerce background and the conversation context, predict 3 potential follow-up questions from the perspective of the customer.
+3. The questions should revolve around clothing, such as product descriptions, advantages, prices, usage scenarios, materials, precautions, logistics, orders, etc.
+4. If the customer service (assistant) asks for an order number, you may follow up by asking the assistant to help look up all past order numbers you have placed.
+5. Separate the 3 questions with line breaks. Do not use numbering.
+# Relevant Constraints
+1. Follow-up questions must focus on information related to clothing products.
+2. Avoid vague or irrelevant questions unrelated to the current situation.
+3. The questions should be clear and concise, avoiding complicated references.
+4. Only output 3 questions — do not add anything else, and do not ask the user for clarification or attempt to answer the questions.
+# Examples
+## Example 1:
+On what occasions can I wear the Ballet Flats?
+What material is this Blouse made of?
+Where to ship Floral Graphic T-Shirts from?
+## Example 2:
+Can you check what I have purchased from your store before?
+Help me look up all my past orders.
+Order number inquiry.
+"""
+
+    # Select the appropriate system prompt based on language configuration
+    system_prompt = system_prompt_zh if language == "zh" else system_prompt_en
+
     # Create new request with summary system prompt
     messages = [
         ArkMessage(role="system", content=system_prompt),