Improve link pattern parsing to trim punctuation wrappers

[subtleGradient]

Closes # (none)

Summary

Improved the jump-to-definition reliability for file paths in prose strings (comments, markdown, etc.) by smarter stripping of surrounding punctuation.

This allows cmd/ctrl-click to work on file paths in contexts like:

• Markdown backticks: `path/to/file`
• Markdown links: [link](path/to/file)
• Parentheses: (see path/to/file)
• Sentence endings: Check path/to/file.
• Code spans: `cat path/to/file`

Technical Details

• Updated link_pattern_file_candidates in hover_links.rs to iteratively trim common leading and trailing punctuation characters.
• Candidate generation now produces multiple variations (trimmed, regex match, raw) ordered by specificity (most trimmed first).
• Refactored test_hover_filenames to be DRY: it now uses a single base document string and targeted replacements, making it easier to add new prose test cases without duplication.

Release Notes:

• Improved jump-to-definition reliability for file paths wrapped in punctuation (backticks, parens, sentence endings).

[chatgpt-codex-connector]

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[Copilot]

Pull request overview

This pull request improves jump-to-definition reliability for file paths embedded in prose text (comments, markdown, documentation) by implementing smarter punctuation stripping. The changes enable cmd/ctrl-click navigation on file paths wrapped in common punctuation patterns like markdown backticks, parentheses, brackets, and sentence-ending punctuation.

Key Changes:

• Enhanced link_pattern_file_candidates to iteratively strip leading and trailing punctuation characters from file path candidates
• Introduced ordered candidate generation (trimmed → regex-extracted → raw) with deduplication
• Refactored test_hover_filenames to use a DRY approach with a base document and targeted line replacements

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