Add QA result filtering controls

frontend/README.md

@@ -287,6 +287,8 @@ The QA/QC workspace promotes core metrics into evidence cards before the raw met
 
 The workbench shell clamps page-level horizontal overflow on mobile while keeping the sidebar and workspace shortcut rows intentionally scrollable. Long QA identifiers and inspector values wrap inside their cards instead of widening the viewport.
 
+The QA/QC result list includes client-side search, status and check-type filters plus a latest-results cap so long-lived demo projects remain scan-friendly without changing the API response shape.
+
 ## Useful repository scripts
 
 - `bash scripts/frontend_install.sh`

frontend/src/components/quality/QualityResultsPanel.tsx

@@ -1,4 +1,4 @@
-import { useMemo } from 'react'
+import { useMemo, useState } from 'react'
 import type { DatasetCreateResponse, MetricRead, QualityCheckRead } from '../../types'
 
 const CORE_METRIC_ORDER = [
@@ -42,6 +42,30 @@ function qualityMetricValue(metric: MetricRead | undefined): string {
   return Number.isInteger(value) ? String(value) : value.toFixed(3)
 }
 
+function qualityMatchesSearch(check: QualityCheckRead, query: string, datasetNameById: Map<string, string>): boolean {
+  const normalizedQuery = query.trim().toLowerCase()
+  if (!normalizedQuery) {
+    return true
+  }
+  const candidateName = check.candidate_dataset_id ? datasetNameById.get(check.candidate_dataset_id) : null
+  const referenceName = datasetNameById.get(check.reference_dataset_id)
+  const searchable = [
+    check.id,
+    check.check_type,
+    check.status,
+    check.candidate_dataset_id,
+    check.reference_dataset_id,
+    check.analysis_run_id,
+    check.job_id,
+    candidateName,
+    referenceName,
+  ]
+    .filter(Boolean)
+    .join(' ')
+    .toLowerCase()
+  return searchable.includes(normalizedQuery)
+}
+
 export function QualityResultsPanel({
   selectedProjectId,
   qualityChecks,
@@ -50,6 +74,10 @@ export function QualityResultsPanel({
   referenceDatasets,
   onRefresh,
 }: QualityResultsPanelProps): JSX.Element {
+  const [showAllQualityChecks, setShowAllQualityChecks] = useState(false)
+  const [qualityStatusFilter, setQualityStatusFilter] = useState('all')
+  const [qualityTypeFilter, setQualityTypeFilter] = useState('all')
+  const [qualitySearchQuery, setQualitySearchQuery] = useState('')
   const completedChecks = qualityChecks.filter((check) => check.status === 'ok' || check.status === 'completed').length
   const latestCheck = qualityChecks[0] ?? null
   const datasetNameById = useMemo(() => {
@@ -61,6 +89,20 @@ export function QualityResultsPanel({
   }, [candidateDatasets, referenceDatasets])
   const latestCandidateName = latestCheck?.candidate_dataset_id ? datasetNameById.get(latestCheck.candidate_dataset_id) : null
   const latestReferenceName = latestCheck?.reference_dataset_id ? datasetNameById.get(latestCheck.reference_dataset_id) : null
+  const qualityStatuses = useMemo(() => Array.from(new Set(qualityChecks.map((check) => check.status))).sort(), [qualityChecks])
+  const qualityTypes = useMemo(() => Array.from(new Set(qualityChecks.map((check) => check.check_type))).sort(), [qualityChecks])
+  const filteredQualityChecks = useMemo(
+    () =>
+      qualityChecks.filter((check) => {
+        const statusMatches = qualityStatusFilter === 'all' || check.status === qualityStatusFilter
+        const typeMatches = qualityTypeFilter === 'all' || check.check_type === qualityTypeFilter
+        return statusMatches && typeMatches && qualityMatchesSearch(check, qualitySearchQuery, datasetNameById)
+      }),
+    [qualityChecks, qualityStatusFilter, qualityTypeFilter, qualitySearchQuery, datasetNameById],
+  )
+  const visibleQualityChecks = showAllQualityChecks ? filteredQualityChecks : filteredQualityChecks.slice(0, 8)
+  const hiddenQualityCheckCount = Math.max(filteredQualityChecks.length - visibleQualityChecks.length, 0)
+  const hasActiveQualityFilters = qualityStatusFilter !== 'all' || qualityTypeFilter !== 'all' || qualitySearchQuery.trim().length > 0
 
   return (
     <section className="quality-results-panel" data-testid="quality-results-panel">
@@ -122,8 +164,73 @@ export function QualityResultsPanel({
           <p>Run dataset, detection or segmentation QA against a reference layer to populate this workspace.</p>
         </div>
       ) : null}
+      {qualityChecks.length > 0 ? (
+        <div className="quality-history-controls" aria-label="QA/QC result filters">
+          <label>
+            Search QA/QC results
+            <input
+              type="search"
+              placeholder="Type, id or dataset"
+              value={qualitySearchQuery}
+              onChange={(event) => setQualitySearchQuery(event.target.value)}
+            />
+          </label>
+          <label>
+            Status
+            <select value={qualityStatusFilter} onChange={(event) => setQualityStatusFilter(event.target.value)}>
+              <option value="all">All statuses</option>
+              {qualityStatuses.map((status) => (
+                <option key={status} value={status}>
+                  {status}
+                </option>
+              ))}
+            </select>
+          </label>
+          <label>
+            Check type
+            <select value={qualityTypeFilter} onChange={(event) => setQualityTypeFilter(event.target.value)}>
+              <option value="all">All check types</option>
+              {qualityTypes.map((checkType) => (
+                <option key={checkType} value={checkType}>
+                  {checkType}
+                </option>
+              ))}
+            </select>
+          </label>
+          <button
+            type="button"
+            className="secondary-action"
+            onClick={() => {
+              setQualitySearchQuery('')
+              setQualityStatusFilter('all')
+              setQualityTypeFilter('all')
+              setShowAllQualityChecks(false)
+            }}
+            disabled={!hasActiveQualityFilters && !showAllQualityChecks}
+          >
+            Reset view
+          </button>
+        </div>
+      ) : null}
+      {filteredQualityChecks.length > 8 ? (
+        <div className="list-limit-banner">
+          <span className="quality-list-count">
+            Showing {visibleQualityChecks.length} of {filteredQualityChecks.length} matching QA/QC results.
+            {hiddenQualityCheckCount > 0 ? ` ${hiddenQualityCheckCount} older checks hidden.` : ' All matching checks shown.'}
+          </span>
+          <button type="button" className="secondary-action" onClick={() => setShowAllQualityChecks((value) => !value)}>
+            {showAllQualityChecks ? 'Show latest 8' : 'Show all QA/QC results'}
+          </button>
+        </div>
+      ) : null}
+      {qualityChecks.length > 0 && filteredQualityChecks.length === 0 ? (
+        <div className="empty-state">
+          <strong>No QA/QC results match the current filters.</strong>
+          <p>Clear the search, status or check type filter to return to the latest quality results.</p>
+        </div>
+      ) : null}
       <ul className="quality-check-list">
-        {qualityChecks.map((check) => (
+        {visibleQualityChecks.map((check) => (
           <li className="quality-check-card" key={check.id}>
             <div className="quality-check-header">
               <div>

frontend/src/styles/app.css

@@ -1573,6 +1573,7 @@ button.entity-card {
   background: var(--accent-soft);
 }
 
+.quality-history-controls,
 .export-history-controls {
   display: grid;
   grid-template-columns: minmax(14rem, 1.2fr) minmax(10rem, 0.9fr) minmax(9rem, 0.8fr) auto;
@@ -1585,15 +1586,29 @@ button.entity-card {
   background: #ffffff;
 }
 
+.quality-history-controls label,
 .export-history-controls label {
   margin-top: 0;
 }
 
+.quality-history-controls button,
 .export-history-controls button {
   min-height: 2.35rem;
   width: auto;
 }
 
+.quality-history-controls {
+  grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr));
+}
+
+.quality-history-controls button {
+  width: 100%;
+}
+
+.quality-list-count {
+  overflow-wrap: anywhere;
+}
+
 .list-limit-banner {
   display: grid;
   grid-template-columns: minmax(0, 1fr) auto;
@@ -1951,6 +1966,7 @@ button.entity-card {
   .quality-score-row,
   .export-action-grid,
   .handoff-action-grid,
+  .quality-history-controls,
   .export-history-controls,
   .inspector-action-bar,
   .list-limit-banner {