fix(dashboard-banners): Remove invalid banner var

[regdocs]

No description provided.

[greptile-apps]

Greptile Summary

• Removes a v-if co-located with a v-for on <AlertBanner>. In Vue 3 v-if is evaluated before v-for, so banner would be undefined at the time the condition was checked — making the old guard a no-op (or a runtime error) rather than a working filter.
• The equivalent filter is now applied once in the onSuccess handler, after isRelevantBanner and before the dismissed-banners check, which is the correct place for this logic.
• No functional change to end-user behaviour; banners without a title or message are still excluded from localBanners.

Confidence Score: 5/5

Safe to merge — the change is a targeted fix for a Vue anti-pattern with no behavioural regressions.

Single-file, two-line change that corrects an invalid v-if + v-for co-location by moving equivalent logic to the data layer. The filtering semantics are preserved and no edge cases are introduced.

No files require special attention.

Important Files Changed

Filename	Overview
dashboard/src/components/CustomAlerts.vue	Moves the `banner.title

Flowchart

%%{init: {'theme': 'neutral'}}%%
flowchart TD
    A[API: get_user_banners] -->|onSuccess data| B[filter: isRelevantBanner]
    B --> C["filter: banner.title || banner.message\n(moved here from template v-if)"]
    C --> D[filter: not in localDismissedBanners]
    D --> E[localBanners array]
    E --> F[v-for: render AlertBanner components]

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_{Reviews (1): Last reviewed commit: "fix(dashboard-banners): Remove invalid b..." | Re-trigger Greptile}

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 60.65%. Comparing base (0805c87) to head (e17eac2).
⚠️ Report is 3 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff              @@
##           develop    #6335       +/-   ##
============================================
+ Coverage    49.80%   60.65%   +10.84%     
============================================
  Files          944      109      -835     
  Lines        78387    17457    -60930     
  Branches       351      351               
============================================
- Hits         39043    10589    -28454     
+ Misses       39320     6844    -32476     
  Partials        24       24               

Flag	Coverage Δ
dashboard	60.65% <100.00%> (+<0.01%)	⬆️

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[saurabh6790]

@mergify backport release/2026-W19

[mergify]

backport release/2026-W19

✅ Backports have been created

Details

• #6338 fix(dashboard-banners): Remove invalid banner var (backport #6335) has been created for branch release/2026-W19