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DashBoard/openspec/changes/archive/2026-02-09-qc-gate-report/specs/qc-gate-status-report/spec.md
egg bf7285fb51 feat(qc-gate): add QC-GATE real-time LOT status report as first pure Vue 3 + Vite page 
Introduce QC-GATE station monitoring with stacked bar chart and filterable LOT table,
using Vue 3 SFC + ECharts via npm. Establishes the pure Vite page architecture pattern
(no Jinja2) for future page migration. Also removes stale design files and README.mdj.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-09 13:06:59 +08:00

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ADDED Requirements

Requirement: System SHALL provide QC-GATE LOT status API

The system SHALL provide an API endpoint that returns real-time LOT status for all QC-GATE stations, with wait time classification.

Scenario: Retrieve QC-GATE summary

  • WHEN user sends GET /api/qc-gate/summary
  • THEN the system SHALL return all LOTs whose SPECNAME contains both "QC" and "GATE" (case-insensitive)
  • THEN each LOT SHALL include wait_hours calculated as (SYS_DATE - MOVEINTIMESTAMP) in hours
  • THEN each LOT SHALL be classified into a time bucket: lt_6h, 6h_12h, 12h_24h, or gt_24h
  • THEN the response SHALL include per-station bucket counts and the full lot list

Scenario: QC-GATE data sourced from WIP cache

  • WHEN the API is called
  • THEN the system SHALL read from the existing WIP Redis cache (not direct Oracle query)
  • THEN the response SHALL include cache_time indicating the WIP snapshot timestamp

Scenario: No QC-GATE lots in cache

  • WHEN no LOTs match the QC-GATE SPECNAME pattern
  • THEN the system SHALL return an empty stations array with cache_time

Requirement: QC-GATE stations SHALL be ordered by spec sequence

The system SHALL order QC-GATE stations according to the manufacturing flow sequence from DW_MES_SPEC_WORKCENTER_V.

Scenario: Station ordering

  • WHEN the API returns multiple QC-GATE stations
  • THEN the stations SHALL be sorted by SPEC_ORDER from DW_MES_SPEC_WORKCENTER_V where SPEC matches the SPECNAME

Scenario: Station not found in spec dimension table

  • WHEN a QC-GATE SPECNAME is not found in DW_MES_SPEC_WORKCENTER_V
  • THEN the station SHALL appear at the end of the list with a high default sort order

Requirement: QC-GATE report page SHALL display stacked bar chart

The page SHALL display a stacked bar chart showing LOT counts per QC-GATE station, grouped by wait time bucket.

Scenario: Bar chart rendering

  • WHEN the page loads and data is available
  • THEN the X-axis SHALL show QC-GATE station names
  • THEN the Y-axis SHALL show LOT counts
  • THEN each bar SHALL be stacked with four color-coded segments: <6hr (green), 6-12hr (yellow), 12-24hr (orange), >24hr (red)

Scenario: Empty state

  • WHEN no QC-GATE LOTs exist
  • THEN the chart area SHALL display a "目前無 QC-GATE LOT" message

Requirement: QC-GATE report page SHALL display filterable LOT table

The page SHALL display a table listing individual LOTs, with click-to-filter interaction from the bar chart.

Scenario: Default table display

  • WHEN the page loads
  • THEN the table SHALL show all QC-GATE LOTs sorted by wait time descending

Scenario: Click bar chart to filter

  • WHEN user clicks a specific segment of a bar (e.g., QC-GATE-DB's 6-12hr segment)
  • THEN the table SHALL filter to show only LOTs matching that station AND time bucket
  • THEN a filter indicator SHALL be visible showing the active filter

Scenario: Clear filter

  • WHEN user clicks the active filter indicator or clicks the same bar segment again
  • THEN the table SHALL return to showing all QC-GATE LOTs

Requirement: QC-GATE report page SHALL auto-refresh

The page SHALL automatically refresh data at the same interval as the WIP cache update cycle.

Scenario: Auto-refresh while visible

  • WHEN the page is visible and 10 minutes have elapsed since last refresh
  • THEN the page SHALL fetch new data from the API without showing a full loading overlay
  • THEN the chart and table SHALL update with new data

Scenario: Auto-refresh while hidden

  • WHEN the page tab/iframe is hidden (document.hidden === true)
  • THEN the auto-refresh SHALL be skipped

Scenario: Page becomes visible after being hidden

  • WHEN the page becomes visible after being hidden
  • THEN the page SHALL immediately refresh data

Scenario: Manual refresh

  • WHEN user clicks the refresh button
  • THEN the page SHALL fetch new data and reset the auto-refresh timer