feat: We only need to analyze top 3 pages for PLG customers

[tkotthakota-adobe]

https://jira.corp.adobe.com/browse/SITES-42676
https://jira.corp.adobe.com/browse/SITES-42074

Summary:

When a request comes from the Sites Optimizer UI (x-client-type: sites-optimizer-ui header) and the site has the summit-plg handler enabled, CWV opportunity suggestions are limited to the top 3 entries. Since the audit-worker stores suggestions sorted by page views descending, this returns the 3 highest-traffic pages with failing metrics.
We also need to consider confidence score to when sorting top 3 (SITES-42074)

All other clients (reporting, API consumers without the header) receive the full suggestion list unchanged.

Tests:

1. PLG site only shows top 3 pages on ASO UI for CWV: https://sunstargum.com/ (SiteId: d2960efd-a226-4b15-b5ec-b64ccb99995e)

2. PGS sites shows all suggestions before the fix for https://corporate.walmart.com/

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Codecov Report

✅ All modified and coverable lines are covered by tests.

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[ramboz]

Looks good to me

[github-actions]

This PR will trigger no release when merged.

[sandsinh]

@tkotthakota-adobe This is not in alignment with the token architecture that we implemented. The limits are already getting applied for summit-plg customers and grantedEntities are getting filtered. Please add the pageview sort function here - https://github.com/adobe/spacecat-api-service/blob/main/src/support/grant-suggestions-handler.js#L100 and all limits should automatically apply to cwv.

[tkotthakota-adobe]

@tkotthakota-adobe This is not in alignment with the token architecture that we implemented. The limits are already getting applied for summit-plg customers and grantedEntities are getting filtered. Please add the pageview sort function here - https://github.com/adobe/spacecat-api-service/blob/main/src/support/grant-suggestions-handler.js#L100 and all limits should automatically apply to cwv.

@sandsinh Can you point me to the PR? Note that these limits only applied to ASO UI display. Ticket: https://jira.corp.adobe.com/browse/SITES-42676

[tkotthakota-adobe]

@sandsinh I see more than top 3 pages listed under CWV for few sites on prod and dev. Can you fix this as I understand it was implemented part of token architecture feature to show only top 3 pages? Note that we need to have top 3 pages (not just any 3 pages) for cwv summit-plg customers (probably it applies to other opportunities as well). If this requires more work, unblock us by approving this PR: #2120 This is needed for summit (code freeze is this weekend).

Some of the summit-plg sites I checked here:

prod:
605f319f-bc4a-4196-89c3-3478154c3dbb
d52c00bf-baa5-4b17-ac52-8434a5f24ee6

Dev:
155abf9c-976f-4f3f-a7fa-2a06d45d5fa7 (edited) 
[6:30 PM]I ran cwv audit on dev site it still shows more than top 3.

[solaris007]

🎉 This PR is included in version 1.425.0 🎉

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