Initial commit: TradeMate 外贸小助手 MVP

项目结构:
- backend/     Python FastAPI 后端
- uni-app/     uni-app跨端前端
- docs/        设计文档
- docker-compose.yml  Docker编排
- nginx/scripts/systemd 运维配置

已完成功能:
- 用户认证 (JWT)
- 智能翻译 + 回复建议
- 营销素材生成
- 客户管理 + 沉默检测
- 报价单管理
- 产品库管理
- 汇率换算
- 推送通知 (uni-push)
- WhatsApp Webhook框架
- Celery定时任务

backend/app/models/corpus.py

@@ -0,0 +1,26 @@
+from sqlalchemy import Column, String, Integer, DateTime, Text, Float
+from sqlalchemy.dialects.postgresql import UUID, JSONB
+from pgvector.sqlalchemy import Vector
+from datetime import datetime
+from app.database import Base
+import uuid
+
+
+class CorpusEntry(Base):
+    __tablename__ = "corpus_entries"
+
+    id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
+    source_text = Column(Text, nullable=False)
+    target_text = Column(Text, nullable=False)
+    source_lang = Column(String(20))
+    target_lang = Column(String(20))
+    task_type = Column(String(50), nullable=False)
+    domain = Column(String(100), default="general")
+    provider_used = Column(String(50))
+    quality_score = Column(Float, default=0.5)
+    user_edited = Column(Boolean, default=False)
+    user_rating = Column(Integer)
+    usage_count = Column(Integer, default=0)
+    embedding = Column(Vector(768))
+    metadata = Column(JSONB, default={})
+    created_at = Column(DateTime, default=datetime.utcnow)