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specs/019-superset-ux-redesign/tests/reports/2026-02-21-fix-report.md

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+# Fix Report: 019-superset-ux-redesign - COMPLETED
+
+**Date**: 2026-02-21  
+**Report**: specs/019-superset-ux-redesign/tests/reports/2026-02-21-report.md  
+**Fixer**: Coder Agent
+
+## Summary
+
+- Total Failed Tests: 0
+- Total Fixed: 0
+- Total Skipped: 0
+
+## Failed Tests Analysis
+
+No failing tests were reported in `specs/019-superset-ux-redesign/tests/reports/2026-02-21-report.md`.
+
+### Informational Issues From Report
+
+#### Test: `src/lib/stores/__tests__/sidebar.test.js`
+
+**File**: `frontend/src/lib/stores/__tests__/sidebar.test.js`  
+**Error**: Historical flakiness due to state leakage (`isExpanded` assertion failed)
+
+**Root Cause**: Shared store state between tests in earlier version.
+
+**Fix Required**: None in this cycle; report confirms deterministic `beforeEach` reset already added.
+
+**Status**: Completed (pre-fixed before this cycle)
+
+---
+
+#### Test: `src/lib/components/layout/__tests__/test_breadcrumbs.svelte.js` (initial approach)
+
+**File**: `frontend/src/lib/components/layout/__tests__/test_breadcrumbs.svelte.js`  
+**Error**: Historical Svelte runtime/render incompatibility with prior test approach.
+
+**Root Cause**: Previous mount strategy did not match current frontend test setup.
+
+**Fix Required**: None in this cycle; report confirms tests were reworked to contract/logic-focused checks and now pass.
+
+**Status**: Completed (pre-fixed before this cycle)
+
+## Fixes Applied
+
+No implementation or test modifications were required in this cycle because all tests already pass.
+
+**Semantic Integrity**: Preserved ✅ (no semantic anchors/tags were changed or removed)
+
+## Verification
+
+Command from test report:
+
+```bash
+cd frontend && npm run test
+```
+
+Reported results:
+
+- Total: 82
+- Passed: 82
+- Failed: 0
+- Skipped: 0
+
+## Next Steps
+
+- [ ] Run backend tests separately and resolve pre-existing auth/import issues if targeted by scope.
+- [ ] Optionally execute frontend coverage run and publish numeric coverage report.