Feat/multicall integration

[EngrEOOnoja]

Description

Briefly describe the changes made in this pull request.

Linked Issue

Closes #[issue number]

Type of Change

• Bug fix
• New feature
• Breaking change
• Documentation update
• Performance improvement
• Code refactoring

Summary of Changes

• Change 1
• Change 2
• Change 3

Test Evidence

Describe how you tested these changes:

# Test commands run
npm run test

Include test output or screenshots if relevant.

Checklist

• My code follows the project's style guidelines
• I have performed a self-review of my code
• I have commented my code where necessary
• I have updated the documentation (README, type definitions)
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing tests pass locally with npm run test
• I have run npm run typecheck and there are no type errors
• I have built the project with npm run build successfully
• These changes do not break backwards compatibility (or I have documented the breaking change)

Additional Context

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Reviewer Notes

Any specific areas you'd like reviewers to focus on.

[Lakes41]

This PR cannot be merged automatically because it has merge conflicts.

Please update the branch with the latest base branch and resolve the conflicts.

After the conflicts are resolved and checks pass, the automation can review it again.