[Audit][Coding] Reduce `any` / blanket eslint disables in TypeScript sources to improve type safety

[vietanhrs]

Problem

Reduce any / blanket eslint disables in TypeScript sources to improve type safety

Context

This issue comes from a first-pass repository audit across the GitHub account.

Recommended direction

• confirm whether this finding applies to the intended scope of the repository
• fix the issue in code/config/docs as appropriate
• add automated checks where possible to prevent regressions