[Vardhman Gupta (Kaap10)]

Description

Fixes MathObfuscationConverter to normalize line endings (\r\n and \r) and handle horizontal tabs (\t), eliminating corrupted algebraic identity equations for control characters.

• Pre-normalized line endings in the input prompt with prompt.replace("\r\n", "\n").replace("\r", "\n") so carriage returns do not produce \r = ... equation lines.
• Treated horizontal tabs \t as whitespace word separators alongside spaces " " so tabs append blank lines rather than generating \t = ... equation lines.
• Added unit tests in test_math_obfuscation_converter.py covering CRLF, standalone CR, horizontal tabs, and mixed control whitespace.

Demonstration

• Prompt: "A\r\nB\tC"
  • Before: Output contained \r = 4\r - 3\r and \t = 3\t - 2\t lines that corrupt console/log rendering and pollute algebraic variable mapping.
  • After: Output cleanly formats as:

    A = 4A - 3A
    
    B = 3B - 2B
    
    C = 6C - 5C
    

Closes #4059

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