feat(headless): added redux analytics actions for attach citations feature

[SimonMilord]

SFINT-6550

IN THIS PR:

• Updated the coveo analytics version to support the new logGeneratedAnswerCitationDocumentAttach event
• Added analytics action for attaching a citation document in the attached-results-analytics-loader.ts
• Added unit test to cover this new analytics action

Design document

TESTS:

[Copilot]

Pull request overview

This PR adds support for attaching generated answer citations as a new analytics feature in the headless package. The changes enable tracking when users attach citation documents to cases in Salesforce Insight environments.

Key Changes

• Updated coveo.analytics dependency from 2.30.49 to 2.30.51 to support the new logGeneratedAnswerCitationDocumentAttach analytics event
• Extended the AttachedResult state interface with an optional isCitation boolean flag to distinguish citations from regular attached results
• Added logCitationDocumentAttach analytics action with legacy analytics support and corresponding unit tests

Reviewed changes

Copilot reviewed 7 out of 8 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
pnpm-workspace.yaml	Bumped coveo.analytics to 2.30.51 and added it to minimumReleaseAgeExclude list
pnpm-lock.yaml	Lock file updates reflecting the analytics dependency version bump
packages/headless/src/features/attached-results/attached-results-state.ts	Added optional isCitation boolean field to AttachedResult interface
packages/headless/src/features/attached-results/attached-results-slice.test.ts	Code style improvements: replaced .toEqual() with .toBe() for primitive comparisons
packages/headless/src/features/attached-results/attached-results-analytics-actions.ts	Added logCitationDocumentAttach analytics action with legacy mode support
packages/headless/src/features/attached-results/attached-results-analytics-actions.test.ts	Added test coverage for logCitationDocumentAttach in legacy analytics mode with proper mocking
packages/headless/src/features/attached-results/attached-results-actions.ts	Added validation for isCitation field in payload definition
packages/headless/src/features/analytics/search-action-cause.ts	Added generatedAnswerCitationDocumentAttach event to SearchPageEvents enum

Files not reviewed (1)

• pnpm-lock.yaml: Language not supported

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[github-actions]

🔗 Scratch Orgs ready to test this PR:

• ✅ LWS Enabled: Open Org
• ✅ LWS Disabled: Open Org