Add advanced leet transformation capabilities with pattern matching and hybrid rules#2

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Copilot wants to merge 7 commits intomainfrom

copilot/extend-leet-transformation

Commits on Dec 30, 2025

Initial plan
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Implement advanced leet transformation capabilities with expanded mappings, real-world patterns, hybrid rules, and unified wordlist

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awillard1
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Improve leet transformations: remove multi-char/Unicode substitutions, add more patterns, track stats

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awillard1
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Complete implementation: all features tested and working correctly

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awillard1
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Add .gitignore to exclude Python cache and build artifacts

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awillard1
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Fix code review issues: remove non-ASCII char, fix zip length mismatch, optimize variable reuse, update docs

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awillard1
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Fix redundant .lower() calls and add named constants for scoring system

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awillard1
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