refactor: 清理废弃业务模块并更新全栈配置

- 移除后端产品、目的地、活动专题等废弃模块的数据库表与业务代码，删除冗余API接口
- 删除小程序端详情页、线路组件等冗余代码，移除搜索工具与测试用例，调整导航逻辑
- 清理管理端废弃的类型定义、编辑器与测试代码
- 更新项目文档，修正模块维护说明与接口文档内容

WonderQ-Admin/app/serializers.py

@@ -20,78 +20,8 @@ def model_dict(instance, include: dict[str, object] | None = None) -> dict:
     return data
 
 
-def _sorted_aliases(destination) -> list:
-    return sorted(destination.aliases or [], key=lambda item: ((item.alias or "").lower(), item.id or ""))
-
-
-def _sorted_images(product) -> list:
-    return sorted(product.images or [], key=lambda item: (item.sortOrder, item.id or "", item.url))
-
-
-def _product_images(product) -> list[dict]:
-    return [model_dict(image) for image in _sorted_images(product)]
-
-
-def _detail_sections(product) -> list:
-    return encode_value(product.detailSections or [])
-
-
-def admin_product_dict(product) -> dict:
-    return model_dict(
-        product,
-        {
-            "tags": list(product.tags or []),
-            "detailSections": _detail_sections(product),
-            "destination": destination_dict(product.destination) if product.destination else None,
-            "images": _product_images(product),
-        },
-    )
-
-
-def public_product_dict(product) -> dict:
-    return {
-        "id": product.id,
-        "sourceId": product.sourceId,
-        "title": product.title,
-        "subtitle": product.subtitle,
-        "destination": {"id": product.destination.id, "name": product.destination.name} if product.destination else None,
-        "priceAmount": product.priceAmount,
-        "priceUnit": product.priceUnit,
-        "tags": list(product.tags or []),
-        "coverImage": product.coverImage,
-        "summary": product.summary,
-        "images": _product_images(product),
-        "detailSections": _detail_sections(product),
-        "status": product.status,
-    }
-
-
-def product_dict(product) -> dict:
-    return admin_product_dict(product)
-
-
-def hotel_group_dict(group) -> dict:
-    data = model_dict(group)
-    if not data.get("coverImage"):
-        data["coverImage"] = data.get("image")
-    if not data.get("image"):
-        data["image"] = data.get("coverImage")
-    data["tags"] = list(group.tags or [])
-    return data
-
-
-def destination_dict(destination, include_count: bool = False, product_count: int | None = None) -> dict:
-    data = model_dict(destination, {"aliases": [model_dict(alias) for alias in _sorted_aliases(destination)]})
-    if include_count:
-        data["_count"] = {"products": product_count if product_count is not None else len(destination.products or [])}
-    return data
-
-
 def lead_dict(lead) -> dict:
     return model_dict(
         lead,
-        {
-            "sourceProduct": {"id": lead.sourceProduct.id, "title": lead.sourceProduct.title} if lead.sourceProduct else None,
-            "assignedUser": {"id": lead.assignedUser.id, "name": lead.assignedUser.name} if lead.assignedUser else None,
-        },
+        {"assignedUser": {"id": lead.assignedUser.id, "name": lead.assignedUser.name} if lead.assignedUser else None},
     )