• Add comprehensive JSDoc documentation for helper functions in application/helpers-common.ts
• Improve error handling in Android native app initialization with try-catch block
• Resolve TODO comment about custom application type handling
• Enhance timeConverter function with input validation and better error messages
• Improve cubic-bezier animation error message with detailed format expectations
• Add proper return type annotations for background state functions
• Better developer warnings when reflection fails during app initialization

These improvements enhance code maintainability, provide better developer experience, and make error messages more actionable for debugging.

PR Checklist

• The PR title follows our guidelines: https://github.com/NativeScript/NativeScript/blob/master/tools/notes/CONTRIBUTING.md#commit-messages.
• There is an issue for the bug/feature this PR is for. To avoid wasting your time, it's best to open a suggestion issue first and wait for approval before working on it.
• You have signed the CLA.
• All existing tests are passing: https://github.com/NativeScript/NativeScript/blob/master/tools/notes/DevelopmentWorkflow.md#running-unit-tests-application.
• Tests for the changes are included - https://github.com/NativeScript/NativeScript/blob/master/tools/notes/WritingUnitTests.md.

What is the current behavior?

What is the new behavior?

Fixes/Implements/Closes #[Issue Number].