teyrebaz33 15abf4ed8f feat(patch): add 'did you mean?' feedback when patch fails to match ...

When patch_replace() cannot find old_string in a file, the error message
now includes the closest matching lines from the file with line numbers
and context. This helps the LLM self-correct without a separate read_file
call.

Implements Phase 1 of #536: enhanced patch error feedback with no
architectural changes.

- tools/fuzzy_match.py: new find_closest_lines() using SequenceMatcher
- tools/file_operations.py: attach closest-lines hint to patch errors
- tests/tools/test_fuzzy_match.py: 5 new tests for find_closest_lines

2026-04-21 02:03:46 -07:00

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