fix: tenant navigation

[Raubzeug]

closes #2648

CI Results

Test Status: ⚠️ FLAKY

📊 Full Report

Total	Passed	Failed	Flaky	Skipped
354	350	0	2	2

Test Changes Summary ⏭️2

⏭️ Skipped Tests (2)

1. Scroll to row, get shareable link, navigate to URL and verify row is scrolled into view (tenant/diagnostics/tabs/queries.test.ts)
2. Copy result button copies to clipboard (tenant/queryEditor/queryEditor.test.ts)

Bundle Size: ✅

Current: 85.35 MB | Main: 85.35 MB
Diff: +0.14 KB (0.00%)

✅ Bundle size unchanged.

ℹ️ CI Information

• Test recordings for failed tests are available in the full report.
• Bundle size is measured for the entire 'dist' directory.
• 📊 indicates links to detailed reports.
• 🔺 indicates increase, 🔽 decrease, and ✅ no change in bundle size.

[claude]

Claude finished @Raubzeug's task —— View job

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Code Review: Tenant Navigation Fix

I've reviewed the changes in this PR that addresses tenant navigation. The fix makes the diagnosticsTab property required in the Redux state and provides a default value.

✅ Changes Summary

1. src/store/reducers/tenant/types.ts:32 - Changed diagnosticsTab from optional (?) to required
2. src/store/reducers/tenant/tenant.ts:27 - Added default value TENANT_DIAGNOSTICS_TABS_IDS.overview to initial state

✅ Code Standards Compliance

• TypeScript type safety: The change properly enforces a required property with a default value, preventing potential undefined navigation states
• Redux Toolkit patterns: Correctly uses initialState pattern with proper default values
• BEM naming/cn() utility: N/A for this change
• Interface naming: Types follow the 'T' prefix convention (TenantState, TenantDiagnosticsTab)

✅ Critical Requirements

• i18n compliance: No hardcoded strings introduced - uses constant values appropriately
• API calls: No API changes in this PR
• State mutations: No state mutation issues - Redux Toolkit handles immutability
• Route params: Not applicable to this state management change

✅ Performance & Security

• Performance: Minimal impact - adds one property to initial state
• Security: No security implications
• Error handling: Prevents potential runtime errors from undefined diagnosticsTab

💡 Recommendations

The fix is solid and addresses the navigation issue properly. This change ensures the diagnostics tab always has a valid initial value, preventing navigation failures when the tab state is undefined.

✅ Approval

This is a clean, focused fix that properly addresses the tenant navigation issue by ensuring the diagnostics tab state is always initialized. The implementation follows all project standards and best practices.

[astandrik]

/claude_review

[claude]

Claude finished @astandrik's task —— View job

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Code Review: Tenant Navigation Fix

I've completed my review of PR #2649 that addresses tenant navigation issues by making the diagnosticsTab property required in the Redux state.

Review Tasks:

• Read modified files and understand changes
• Review for TypeScript type safety and patterns
• Check critical requirements (i18n, API calls, state mutations)
• Assess performance and security implications
• Evaluate testing considerations
• Provide comprehensive review feedback

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Summary of Changes

The PR makes two simple but effective changes:

1. src/store/reducers/tenant/types.ts:32 - Changed diagnosticsTab? to diagnosticsTab (removed optional modifier)
2. src/store/reducers/tenant/tenant.ts:27 - Added default value TENANT_DIAGNOSTICS_TABS_IDS.overview to initial state

1. Code Standards ✅

TypeScript Type Safety

• Excellent: The change improves type safety by making diagnosticsTab required, preventing potential undefined navigation states
• Interface naming: Properly follows the 'T' prefix convention (TenantState, TenantDiagnosticsTab)
• Type consistency: The default value correctly uses a constant from TENANT_DIAGNOSTICS_TABS_IDS

React & Redux Patterns

• Redux Toolkit best practices: Correctly uses initialState pattern with proper default values
• State shape: Maintains consistency with other required tabs (like metricsTab which also has a default)
• No breaking changes: Existing reducers and selectors will continue to work correctly

BEM Naming Convention

• N/A for this state management change

2. Critical Requirements ✅

i18n Compliance

• Perfect: No hardcoded strings introduced. Uses constant values (TENANT_DIAGNOSTICS_TABS_IDS.overview) appropriately

API Calls

• N/A: No API changes in this PR. The existing tenantApi endpoints remain unchanged

State Mutations

• Correct: No state mutation issues. Redux Toolkit's createSlice handles immutability automatically
• The existing setDiagnosticsTab reducer will continue to work as expected

Route Params Validation

• Improved: By ensuring diagnosticsTab always has a value, this prevents potential navigation failures when the tab state would be undefined

3. Performance & Security ✅

Performance Impact

• Minimal: Adds one property assignment to initial state creation
• No runtime overhead: The change is purely at initialization time
• Memory impact: Negligible (one string value)

Security Considerations

• No security implications: This is a UI state management change with no security surface area
• No exposed data: The tab identifier is a simple string constant

Error Handling

• Prevents errors: This change proactively prevents potential runtime errors from undefined diagnosticsTab values
• Fail-safe default: Using 'overview' as default is a safe choice for initial navigation

4. Testing Considerations ⚠️

Unit Testing

• Missing coverage: No unit tests were added or modified for this change
• Recommendation: Consider adding a test in __test__ directory to verify:
  • Initial state has diagnosticsTab set to 'overview'
  • The property is no longer optional in TypeScript types

E2E Testing

• CI Status: Tests are passing (3 flaky tests unrelated to this change)
• Impact: This fix should improve stability of navigation-related E2E tests

Additional Observations

1. Consistency with other tabs: I noticed that metricsTab follows the same pattern (required with default), while queryTab and summaryTab remain optional. This might be intentional based on the application's navigation requirements.

2. Type safety improvement: The PR author @Raubzeug correctly identified and fixed a potential source of runtime errors by ensuring this navigation state is always initialized.

3. No regression risk: Since the change only adds a default value and makes the property required, there's no risk of breaking existing functionality.

Verdict: ✅ APPROVED

This is a clean, focused fix that properly addresses the tenant navigation issue. The implementation:

• Follows all project standards and conventions
• Improves type safety and prevents potential runtime errors
• Has minimal performance impact
• Maintains backward compatibility

The only minor suggestion would be to add a unit test verifying the initial state, but this is not critical for such a straightforward fix.

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