This pull request includes several changes aimed at improving the handling of metadata and simplifying the validation process in the JsonApplicationProgrammer and LlmApplicationProgrammer namespaces. Additionally, it updates the version in package.json and modifies some test files to reflect the new changes.

Metadata handling improvements:

• Added a new unalias function in the Metadata namespace to simplify the process of resolving metadata aliases.
• Updated JsonApplicationProgrammer to use the unalias function for handling metadata properties and function parameters. [1] [2]
• Updated LlmApplicationProgrammer to use the unalias function for handling metadata properties and function parameters. [1] [2]

Validation process simplification:

• Removed the validation logic from JsonApplicationProgrammer and LlmApplicationProgrammer, simplifying the code and reducing redundancy. [1] [2]

Version update:

• Updated the version in package.json to 8.0.2-dev.20250315.

Test file modifications:

• Replaced the FinishEvaluateMessageType type with a simpler MyFunction type and updated the test logic in test/src/debug/llm.ts.
• Added a new test file test/src/features/issues/test_issue_1535_llm_application_pick.ts to validate the typia.llm.application functionality with various scenarios.