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DashBoard/openspec/changes/archive/2026-03-02-reject-history-pareto-ux-enhancements/specs/reject-history-page/spec.md
egg e83d8e1a36 feat(reject-history): fix Pareto datasources, multi-select filtering, and UX enhancements 
- Fix dimension Pareto datasources: PJ_TYPE/PRODUCTLINENAME from DW_MES_CONTAINER,
  WORKFLOWNAME from DW_MES_LOTWIPHISTORY via WIPTRACKINGGROUPKEYID, EQUIPMENTNAME
  from LOTREJECTHISTORY only (no WIP fallback), workcenter dimension uses WORKCENTER_GROUP
- Add multi-select Pareto click filtering with chip display and detail list integration
- Add TOP 20 display scope selector for TYPE/WORKFLOW/機台 dimensions
- Pass Pareto selection (dimension + values) through to list/export endpoints
- Enable TRACE_WORKER_ENABLED=true by default in start_server.sh and .env.example
- Archive reject-history-pareto-datasource-fix and reject-history-pareto-ux-enhancements
- Update reject-history-api and reject-history-page specs with new Pareto behaviors

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-03-02 13:23:16 +08:00

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MODIFIED Requirements

Requirement: Reject History page SHALL provide reason Pareto analysis

The page SHALL provide a Pareto view for loss reasons and support downstream filtering.

Scenario: Pareto rendering and ordering

  • WHEN Pareto data is loaded
  • THEN items SHALL be sorted by selected metric descending
  • THEN a cumulative percentage line SHALL be shown

Scenario: Pareto 80% filter is managed in supplementary filters

  • WHEN the page first loads Pareto
  • THEN supplementary filters SHALL include "Pareto 僅顯示累計前 80%" control
  • THEN the control SHALL default to enabled

Scenario: TYPE/WORKFLOW/機台 support display scope selector

  • WHEN Pareto dimension is TYPE, WORKFLOW, or 機台
  • THEN the UI SHALL provide 全部顯示 and 只顯示 TOP 20 options
  • THEN 全部顯示 SHALL still respect the current 80% cumulative filter setting

Scenario: Pareto click filtering supports multi-select

  • WHEN user clicks Pareto bars or table rows
  • THEN clicked items SHALL become active selected chips
  • THEN multiple selected items SHALL be supported at the same time
  • THEN detail list SHALL reload using current selected Pareto items as additional filter criteria

Scenario: Re-click clears selected item only

  • WHEN user clicks an already selected Pareto item
  • THEN only that item SHALL be removed from selection
  • THEN remaining selected items SHALL stay active

Requirement: Reject History page SHALL support CSV export from current filter context

The page SHALL allow users to export records using the exact active filters.

Scenario: Export with all active filters

  • WHEN user clicks "匯出 CSV"
  • THEN export request SHALL include current primary filters, supplementary filters, trend-date filters, metric filters, and Pareto-selected items
  • THEN downloaded file SHALL contain exactly the same rows currently represented by the detail list filter context

Scenario: Export remains UTF-8 Excel compatible

  • WHEN CSV export is downloaded
  • THEN the file SHALL be encoded in UTF-8 with BOM
  • THEN Chinese headers and values SHALL render correctly in common spreadsheet tools