- homepage: drop 成本/Session columns (detail-page info); running badge now
  shows inferred phase (采集中/摘要生成/推送收尾) via _harvest_phase():
  runlock mtime = start, vault-day .manifest/.summaries/.registry mtimes
  mark phase transitions — zero intrusion into the harvest process
- detail page: timeline-style progress bar (采集中→摘要生成→推送/收尾→完成)
  with pulsing current-stage dot, green done segments, elapsed minutes,
  10s auto-refresh while running