refactor: activity tab monitor filter

[speaker-ender]

Ticket []

Description Of Changes

Refactors the activity tab to use the new monitor key filter instead of the generic search input when scoped to a monitor.
As a bonus added some style fixes to the monitor list filters
Depends on: https://github.com/ethyca/fidesplus/pull/3022

Code Changes

Steps to Confirm

1. Visit the Action Center screen and click on a monitor
2. Click on the Activity tab
3. Confirm that only activity from the current monitor are displayed

Pre-Merge Checklist

• Issue requirements met
• All CI pipelines succeeded
• CHANGELOG.md updated
  • Add a db-migration This indicates that a change includes a database migration label to the entry if your change includes a DB migration
  • Add a high-risk This issue suggests changes that have a high-probability of breaking existing code label to the entry if your change includes a high-risk change (i.e. potential for performance impact or unexpected regression) that should be flagged
  • Updates unreleased work already in Changelog, no new entry necessary
• UX feedback:
  • All UX related changes have been reviewed by a designer
  • No UX review needed
• Followup issues:
  • Followup issues created
  • No followup issues
• Database migrations:
  • Ensure that your downrev is up to date with the latest revision on main
  • Ensure that your downgrade() migration is correct and works
    • If a downgrade migration is not possible for this change, please call this out in the PR description!
  • No migrations
• Documentation:
  • Documentation complete, PR opened in fidesdocs
  • Documentation issue created in fidesdocs
  • If there are any new client scopes created as part of the pull request, remember to update public-facing documentation that references our scope registry
  • No documentation updates required

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Project	Deployment	Actions	Updated (UTC)
fides-plus-nightly	Ready	Preview, Comment	Jan 30, 2026 4:43pm

1 Skipped Deployment

Project	Deployment	Actions	Updated (UTC)
fides-privacy-center	Ignored		Jan 30, 2026 4:43pm

[greptile-apps]

Greptile Overview

Greptile Summary

This PR refactors the activity tab to use a dedicated monitor_config_key filter parameter instead of repurposing the generic search input when viewing tasks scoped to a specific monitor.

Key improvements:

• Separates monitor-specific filtering from general search functionality by introducing a dedicated monitor_config_key query parameter in the API call
• Hides the search input when viewing a monitor-specific activity page, improving UX clarity
• Renames variables from monitorId to monitorKey for better semantic accuracy (the URL parameter contains the monitor's config key, not its ID)
• Includes style fixes to the monitor list filters (reduced gaps and removed default margins)

The changes are clean, well-structured, and properly thread the new filter parameter through the component hierarchy. The PR depends on backend API changes in fidesplus#3022 to support the new monitor_config_key parameter.

Confidence Score: 5/5

• This PR is safe to merge with no issues found
• The refactor is straightforward, logically sound, and follows existing patterns. All changes are cohesive and properly implement the separation of monitor-specific filtering from general search. No security concerns, logical errors, or breaking changes identified.
• No files require special attention

Important Files Changed

Filename	Overview
clients/admin-ui/src/features/data-discovery-and-detection/action-center/action-center.slice.ts	Added monitor_config_key parameter to the query API for filtering tasks by monitor
clients/admin-ui/src/features/data-discovery-and-detection/action-center/hooks/useInProgressMonitorTasksList.tsx	Updated hook to accept monitorKey filter and pass it as monitor_config_key to API instead of using search
clients/admin-ui/src/features/data-discovery-and-detection/action-center/components/InProgressMonitorTasksList.tsx	Updated to hide search input when monitorKey filter is present, properly separating monitor-specific from general search

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