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/alembic/versions/0004_route_sections.py

@@ -33,22 +33,10 @@ def upgrade() -> None:
             sa.PrimaryKeyConstraint("id"),
         )
 
-    if "RouteSectionProduct" not in existing_tables:
-        op.create_table(
-            "RouteSectionProduct",
-            sa.Column("sectionId", sa.String(), nullable=False),
-            sa.Column("productId", sa.String(), nullable=False),
-            sa.Column("sortOrder", sa.Integer(), nullable=False, server_default="0"),
-            sa.ForeignKeyConstraint(["productId"], ["Product.id"], ondelete="CASCADE"),
-            sa.ForeignKeyConstraint(["sectionId"], ["RouteSection.id"], ondelete="CASCADE"),
-            sa.PrimaryKeyConstraint("sectionId", "productId"),
-        )
 
 
 def downgrade() -> None:
     bind = op.get_bind()
     existing_tables = set(inspect(bind).get_table_names())
-    if "RouteSectionProduct" in existing_tables:
-        op.drop_table("RouteSectionProduct")
     if "RouteSection" in existing_tables:
         op.drop_table("RouteSection")