Add QA result filtering controls

backend/tests/test_sprint73_quality_result_filtering.py

@@ -0,0 +1,35 @@
+from pathlib import Path
+
+
+ROOT = Path(__file__).resolve().parents[2]
+
+
+def test_quality_panel_adds_result_filters_and_density_limit() -> None:
+    quality_panel = (
+        ROOT / "frontend" / "src" / "components" / "quality" / "QualityResultsPanel.tsx"
+    ).read_text(encoding="utf-8")
+
+    assert "useState" in quality_panel
+    assert "qualityStatusFilter" in quality_panel
+    assert "qualityTypeFilter" in quality_panel
+    assert "qualitySearchQuery" in quality_panel
+    assert "qualityMatchesSearch" in quality_panel
+    assert "filteredQualityChecks = useMemo" in quality_panel
+    assert "visibleQualityChecks = showAllQualityChecks ? filteredQualityChecks : filteredQualityChecks.slice(0, 8)" in quality_panel
+    assert "quality-history-controls" in quality_panel
+    assert "Search QA/QC results" in quality_panel
+    assert "All statuses" in quality_panel
+    assert "All check types" in quality_panel
+    assert "Reset view" in quality_panel
+    assert "Show all QA/QC results" in quality_panel
+    assert "No QA/QC results match the current filters." in quality_panel
+
+
+def test_quality_filter_styles_reuse_dense_history_patterns() -> None:
+    css = (ROOT / "frontend" / "src" / "styles" / "app.css").read_text(encoding="utf-8")
+
+    assert ".quality-history-controls" in css
+    assert "repeat(auto-fit, minmax(9rem, 1fr))" in css
+    assert ".quality-history-controls label" in css
+    assert ".quality-history-controls button" in css
+    assert ".quality-list-count" in css