Stricter ruff/ty checking

[brews]

PR enables various settings for stricter type checking by ruff and ty.

This is largely an internal change.

Should note, need to be sure to bump ruff versions in the pre-commit config and in uv.lock. Incompatibilities can lead to dualing checkers.

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 98.11%. Comparing base (0c43606) to head (49b001d).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #125   +/-   ##
=======================================
  Coverage   98.11%   98.11%           
=======================================
  Files           3        3           
  Lines          53       53           
=======================================
  Hits           52       52           
  Misses          1        1           

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