chore(release): prepare v2.8.2

[imjuni]

Summary

• remove the deprecated baseUrl option while preserving path aliases
• add TypeScript 6 support with ts-morph 28
• use bundler module resolution for the internal dual-format build
• update TypeScript-compatible declaration tooling and Vitest alias resolution
• bump the package version to 2.8.2

Verification

• TypeScript 6.0.2 type check passed
• TypeScript 5.9.3 cross-version type check passed
• 276 tests passed with 100% coverage
• CJS, ESM, and declaration bundle generation passed
• peer dependency validation passed
• package installation and runtime behavior verified with local Verdaccio

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (0b4cac1) to head (1bceb47).

Additional details and impacted files

@@            Coverage Diff            @@
##            master      #202   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           94        94           
  Lines         2510      2510           
  Branches       526       526           
=========================================
  Hits          2510      2510           

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