feat(website): add new collections analysis mode to W-ASAP

[fhennig]

resolves #1006

Summary

Add a new 'Collection' analysis mode, where you can select a cov-spectrum collection to analyze, meaning you can see the prevalence of the defined variants over time.

Specific changes:

• New CollectionAnalysisFilter component to be used in the WasapPageStateSelector.
• useWasapPageData was extended to also fetch the collections. During this, the file was also refactored entirely.
• eslint config updated, somehow it was checking node_modules and dist as well?
• the new mode is only enabled in staging.

Screenshot

Screen.Recording.2026-02-05.at.10.09.52.mov

Follow-ups

The generation of the coverage queries still needs to be implemented: #1026 (there is a TODO in the code)

I left some of the refactoring for later, as it's not urgent and I didn't want to put too much into this PR: #1025

Another follow-up: We want to implement a filter for the collections that are shown: #1027

Useful links

https://github.com/GenSpectrum/cov-spectrum-server/blob/develop/docs/api.md

PR Checklist

• All necessary documentation has been adapted.
• The implemented feature is covered by an appropriate test.

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Project	Deployment	Actions	Updated (UTC)
dashboards	Ready	Preview, Comment	Feb 5, 2026 3:21pm