Module edit 

Edit Tool Implementation

This module implements the EditTool for editing files with:

• Smart string matching with quote normalization
• Batch edits with atomic rollback
• External file modification detection
• Match uniqueness validation

Requirements: 4.7, 4.8, 4.9, 4.10

Structs

Edit

A single edit operation

EditTool

Edit Tool for modifying files

MatchResult

Result of a string match operation