[CDX-386] Add seed item ids to rex events

[Mudaafi]

Adds support for seedItemIds for recommendation events:

• trackRecommendationResultClick
• trackRecommendationResultsView

[Copilot]

Pull request overview

Adds support for passing seedItemIds through the SDK’s recommendation tracking APIs so recommendation view/click events can include seed item identifiers in their request payloads.

Changes:

• Extend trackRecommendationResultsView and trackRecommendationResultClick public APIs to accept optional seedItemIds.
• Include seed_item_ids in the HTTP body for recommendation view/click tracking request data when provided and non-empty.
• Add/extend XCTest coverage for request payload building and tracking calls (plus an unrelated quiz integration test constant update).

Reviewed changes

Copilot reviewed 8 out of 8 changed files in this pull request and generated 5 comments.

Show a summary per file

File	Description
AutocompleteClient/FW/Logic/Worker/ConstructorIO.swift	Adds seedItemIds parameter + forwards into request data; updates doc examples.
AutocompleteClient/FW/Logic/Request/CIOTrackRecommendationResultsViewData.swift	Adds seedItemIds to request data and conditionally serializes seed_item_ids into payload.
AutocompleteClient/FW/Logic/Request/CIOTrackRecommendationResultClickData.swift	Adds seedItemIds to request data and conditionally serializes seed_item_ids into payload.
AutocompleteClientTests/FW/Logic/Worker/ConstructorIOTrackRecommendationResultsViewTests.swift	Adds worker-level test calling trackRecommendationResultsView(..., seedItemIds:).
AutocompleteClientTests/FW/Logic/Worker/ConstructorIOTrackRecommendationResultClickTests.swift	Adds worker-level test calling trackRecommendationResultClick(..., seedItemIds:).
AutocompleteClientTests/FW/Logic/Request/TrackRecommendationViewRequestBuilder.swift	Adds request-builder payload tests for seed_item_ids (single/multiple/empty).
AutocompleteClientTests/FW/Logic/Request/TrackRecommendationResultClickRequestBuilder.swift	Adds request-builder payload tests for seed_item_ids (single/multiple/empty).
AutocompleteClientTests/FW/Logic/Worker/ConstructorIOQuizIntegrationTests.swift	Updates quizVersionID constant used in quiz integration tests.

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[constructor-claude-bedrock]

Code Review

This PR adds seedItemIDs support to trackRecommendationResultClick and trackRecommendationResultsView events. The implementation is clean, consistent with existing patterns, and well-tested — overall a solid addition.

Inline comments: 5 discussions added

Overall Assessment: ⚠️ Needs Work