refactor(archive): move unused modules to archive/

Archive legacy framework and utility modules that are no longer
referenced by the active core (datasource/ and rotation/):

- framework/ -> archive/framework/
- framework_v2/ -> archive/framework_v2/
- strategies/ -> archive/strategies/
- config/ -> archive/config/
- visualization/ -> archive/visualization/
- scripts/ -> archive/scripts/
- tests/ -> archive/tests/
- run_rotation.py, run_us_rotation.py -> archive/single_files/
- compare_*.py, test_api_dates.py -> archive/single_files/

archive/framework_v2/__init__.py

@@ -0,0 +1,15 @@
+"""
+框架 V2 - 重构版本
+
+三层架构：
+├── core/          # 纯抽象接口（零实现）
+├── shared/        # 通用实现（2+策略复用）
+└── tests/         # 框架测试
+
+设计原则：
+├── 按需抽象，不预先设计
+├── 只放通用逻辑，定制逻辑在 strategies/
+└── 每个组件必须有测试
+"""
+
+__version__ = "2.0.0"