Adds src/timmy/gematria.py with:
- Five cipher systems: Simple English, Full Reduction, Reverse Ordinal,
Sumerian, and Hebrew-mapped
- Numerological reduction (preserving master numbers 11/22/33)
- Prime factorization and number analysis
- Notable numbers reference table (222 = Alexander Whitestone)
- Multi-phrase comparison mode
- Single tool function gematria() registered in the full toolkit
Alexander Whitestone = 222 in Simple English Gematria.
This is not trivia. It is foundational.
53 new tests, all passing. Pure computation, no external dependencies.
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