Fix app shell navigation resilience

PR_TEMPLATE_ANALYTICS.md

@@ -143,6 +143,7 @@ npm run dev
 ### Backward Compatibility
 
 ✅ **Fully backward compatible**
+
 - No modifications to existing public APIs
 - All props remain optional
 - Response schema unchanged
@@ -152,13 +153,15 @@ npm run dev
 ### Files Modified/Created
 
 **New Files**:
+
 - ✅ `tests/api/protocol-analytics.test.ts` (400+ lines, 53 tests)
 - ✅ `tests/components/AnalyticsCharts.test.tsx` (800+ lines, 70+ tests)
 - ✅ `docs/PROTOCOL_ANALYTICS_API.md` (450+ lines)
 - ✅ `docs/ANALYTICS_COMPONENTS.md` (600+ lines)
 - ✅ `docs/ANALYTICS_REGRESSION_CONTRACT.md` (400+ lines)
 
 **Modified Files**:
+
 - None (feature already implemented; we added regression coverage)
 
 ### CI/CD Status
@@ -189,26 +192,30 @@ npm run dev
 ### Additional Notes
 
 **Implementation Quality**:
+
 - Comprehensive test coverage (123 tests) ensuring regression protection
 - Full accessibility compliance (WCAG 2.1 Level AA) verified via automated and manual testing
 - Clear, well-documented contracts protect existing consumers from breaking changes
 - Design tradeoffs clearly explained with rationale
 
 **Testing Approach**:
+
 - Unit tests for core functions and endpoints
 - Integration tests for feature flags, CORS, error handling
 - Accessibility tests using axe and manual verification
 - Responsive design tests for mobile/tablet/desktop
 - Data accuracy and precision tests
 
 **Documentation**:
+
 - API contract with explicit state invariants and error codes
 - Component contract with rendering rules and prop specifications
 - Regression contract mapping to all acceptance criteria
 - Clear examples and usage patterns
 - Known limitations and maintenance notes
 
 **Future Enhancements** (out of scope for this PR):
+
 - Time-windowed analytics (e.g., `?period=7d`)
 - Accessible data table for bar charts
 - Interactive drill-down features