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BanGUI/Docs/Tasks.md
Lukas eaff272aae feat: Add dismissible warning UI for threshold loading errors
- Replace console.warn with visible MessageBar warning when map color thresholds fail to load
- Add DismissRegular icon button to allow users to dismiss the warning
- Add dismissedThresholdWarning state to manage warning visibility
- Add mock and test for useMapColorThresholds hook
- Add test case verifying warning displays and can be dismissed
- Remove TASK-QUALITY-04 from Tasks.md (completed)

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
2026-04-23 09:58:27 +02:00

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### TASK-QUALITY-05 — `console.warn` in `MapPage` Provides No User Feedback for Threshold Errors
**Where found**
`frontend/src/pages/MapPage.tsx` lines ~148151:
```ts
useEffect(() => {
if (mapThresholdError) {
console.warn("Failed to load map color thresholds:", mapThresholdError);
}
}, [mapThresholdError]);
```
When the threshold fetch fails the map silently falls back to hardcoded defaults. The user has no indication that their custom thresholds are not being applied.
**Goal**
Replace the `console.warn` with a small inline `MessageBar` or tooltip near the map legend that indicates thresholds could not be loaded and defaults are in use. The `console.warn` should be removed from production-facing code.
**Possible traps and issues**
- The fallback behaviour (using hardcoded defaults) is correct and the map should still render. The notification should be non-blocking (not a modal or full-page error).
- If the threshold fetch failing is expected in certain deployment configurations (e.g. feature not configured), an info-level message rather than a warning may be more appropriate.
**Docs changes needed**
None required.
**Why this is needed**
`console.warn` is invisible to end users. If a custom threshold configuration is silently not applied, the map colour coding may be misleading with no indication of why.
---
### TASK-QUALITY-06 — `console.log` Leaked in `HistoryPage.test.tsx`
**Where found**
`frontend/src/pages/__tests__/HistoryPage.test.tsx` line 8. A `console.log` statement was left in the test file, likely from a debugging session.
**Goal**
Remove the `console.log` call.
**Possible traps and issues**
- None.
**Docs changes needed**
None required.
**Why this is needed**
Debug logs in test files pollute the test runner output and make it harder to spot real failures or warnings.