Refactor: Use resolver_params for alignment configuration

[aksg87]

Summary

Refactors alignment parameter implementation to use existing resolver_params instead of adding new alignment_params parameter.

Changes

• Uses existing resolver_params dictionary to avoid API proliferation
• Centralizes alignment keys as immutable constant in resolver.py
• Splits params cleanly between Resolver and annotator layers
• Adds comprehensive test coverage and error handling

Alignment Parameters

Available through resolver_params:

• enable_fuzzy_alignment: Use fuzzy matching if exact fails
• fuzzy_alignment_threshold: Token overlap ratio (0.0-1.0)
• accept_match_lesser: Accept partial exact matches

This is an alternative implementation of #211 that resolves merge conflicts while maintaining all performance optimizations.

cc @Skippou

[github-actions]

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