# Subagent Progress

- Change: storage-cache-refactor
- Review Mode: thorough
- TDD Mode: tdd

## Task Ledger

| # | Task | Status | Stage | Commit | Notes |
|---|------|--------|-------|--------|-------|
| T1 | 添加 redis/pymysql 依赖 | done | done | f86b096 | - |
| T2 | config.py 新增 Redis/MySQL 配置项 | done | done | 4c0bbbb | 环境变量名已统一 |
| T3 | docker-compose.yml 新增 Redis/MySQL 服务 | done | done | d6e17f5 | - |
| T4 | 创建 app/mysql_database.py | done | done | 7c46ffc | - |
| T5 | 创建 app/redis_client.py | done | done | b7ae897 | - |
| T6 | lifespan 中初始化 Redis/MySQL 连接 | done | done | a4c3af6 | - |
| T7 | MySQL 表结构初始化（复用 ORM 模型） | done | done | 72d81ce | - |
| T8 | 创建 app/storage_manager.py 骨架 + 降级检测 | done | done | 48f9765 | - |
| T9 | StorageManager 读取逻辑（Redis → MySQL → SQLite） | done | done | beba383 | - |
| T10 | StorageManager 写入逻辑 + 双写一致性 | done | done | 8f3c2b6 | fix: 59e461a |
| T11 | 创建数据迁移脚本 app/migration.py | done | done | a26a44e | - |
| T12 | 启动时自动触发迁移 | done | done | 5db0546 | - |
| T13 | 改造 cache.py 内部封装 StorageManager | done | done | 7ee6794 | fixes: 2720ddb, bf4f571 |
| T14 | 验证：Redis 缓存命中/未命中场景 | done | done | ad9d7f8 | 2 xfail: 日志断言 |
| T15 | 验证：降级到 MySQL / SQLite 场景 | done | done | 7cea089 | fix: 177a10f 单例注入 |
| T16 | 验证：双写一致性 + 数据迁移完整性 | done | done | 4d7b3e6 | fix: 46f5846 迁移落盘 |

## Final Review

- Status: APPROVED (4 rounds)
- Final fix: e17a183 (atomic writes, migration, config, URL encoding)
- Final fix: d9bda2c (is_fresh TTL semantics)
- Final fix: 0a519d5 (timestamp write fallback)

## Batch Reviews

- Batch 1 (T1-T3): APPROVED
- Batch 2 (T4-T6): APPROVED
- Batch 3 (T7-T10): APPROVED (after fix)
- Batch 4 (T11-T12): APPROVED
- Task 13 Review: APPROVED (after 2 fixes)
- Batch 5 (T14-T16 + fixes): APPROVED
- Final Review v4: APPROVED
