hmo d5b8bec897 refactor: retire price_events.json completely — DB is the only store
User directive: no JSON, retire it fully, fix all related code.

Changes:
- price_monitor.py: record_event writes DB only; removed EVENTS_PATH/
  load_events/save_events entirely
- strategy_feedback.py: price events read from DB only (removed JSON fallback)
- system_health_check.py: removed price_events.json from file-check list,
  DB-only event stats (was showing 0/0 due to wrong-DB resolution)
- mo_config.py: removed dead price_events_path property (no callers)
- mofin_health.py: price_events freshness reads DB table (authoritative now)
- mofin_db.py: DATA_DIR/DB_PATH now ABSOLUTE (/home/hmo/MoFin/data) —
  was relative __file__.parent, so each hardlinked copy of mofin_db.py
  resolved to a DIFFERENT database (canonical vs web-dashboard vs
  profile-local third DB with 0 rows of everything except market_snapshots).
  This fragmentation was the real cause of health checks reading empty tables.
- Unified all 4 mofin_db copies (root/scripts/deploy/profile) via hardlink
- price_events.json archived to trashbox (fully backfilled: 6353 rows in DB)

Verified:
- record_event lands in DB only, JSON not recreated
- system_health_check: 历史事件 6353 / 今日事件 2965 (was 0/0)
- strategy_feedback + price_monitor full runs clean
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MoFin 文档中心

文档驱动开发。每次代码变更必须同步更新对应文档。


阅读指引

🚀 新手入门(按顺序读)

# 文档 内容 时间
1 SYSTEM_ARCHITECTURE.md 系统总览:架构图、数据流、模块职责 10 min
2 portfolio-data-model.md 核心数据模型:表结构、币种规则、常见错误 10 min
3 DEVELOPMENT_STANDARDS.md 开发规范:代码结构、DB 规范、Prompt 规范、开发流程 15 min
4 CHANGELOG.md 变更日志:所有改动的完整记录 5 min

🔧 日常开发

文档 何时查阅
DEVELOPMENT_STANDARDS.md 每次写代码前
TEST_PLAN.md 每次改完代码后跑测试
CHANGELOG.md 改完后追加变更记录

📊 运维参考

文档 内容
cron-catalog.md Cron 任务清单(知微维护)
decisions-db-migration.md JSON→DB 迁移记录( 已完成)

📦 历史文档(archive/

旧的设计文档、需求文档、分析报告。仅供参考,不代表当前系统状态。


文档规范

  • 每个 .md 文件顶部标注版本和日期
  • 过时内容追加 > **已废弃** — 见 XXX 替代
  • 不直接删除旧文档,移到 archive/ 保留
  • 交叉引用使用相对路径 [xxx](xxx.md)

当前系统状态

  • 数据:纯 SQLite/home/hmo/web-dashboard/data/mofin.db
  • 币种:港股存 HKD,A 股存 CNY,汇总时转换
  • JSON:已全部移除,无残留
  • 测试scripts/run_all_tests.py — 33/33 通过
  • 最新CHANGELOG.md 查看完整变更
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