feat: Delegated focus

[marc2332]

This allows to move the focus logic up to a global state

[codecov]

Codecov Report

Attention: Patch coverage is 76.92308% with 3 lines in your changes missing coverage. Please review.

Project coverage is 74.88%. Comparing base (c753f9a) to head (5cf65fd).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
crates/hooks/src/use_platform.rs	0.00%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1058      +/-   ##
==========================================
- Coverage   74.89%   74.88%   -0.01%     
==========================================
  Files         220      220              
  Lines       25759    25769      +10     
==========================================
+ Hits        19291    19298       +7     
- Misses       6468     6471       +3     

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