Fixes #1367

Replaced the CGO-dependent jsluice and go-tree-sitter with a pure-Go implementation using goja. This solves cross-platform compilation issues and completely removes the CGO dependency.

/claim #1367

Summary by CodeRabbit

• Refactor

  • Improved JavaScript endpoint extraction with more reliable parsing, deduplication, and a compatibility alias to preserve existing interfaces.
  • Broadened script/file parsing to include additional file types and unified endpoint labeling for more consistent results.
  • Optimized JavaScript library detection using a path-based heuristic.

• Chores

  • Removed three now-unused indirect dependencies from the manifest.

• Chore

  • Removed legacy platform-specific parser configuration options.