SRE-1087: Introduce Python monorepo

[indietyp]

🌟 What is the purpose of this PR?

Move from Python in package.json to using uv workspaces. Remove most CI (for now), to be enabled upstack.

[vercel]

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Project	Deployment	Actions	Updated
hash	Ready	Preview	Sep 29, 2026 4:45pm UTC
hashdotdesign-tokens	Ready	Preview	Sep 29, 2026 4:45pm UTC
petrinaut	Ready	Preview	Sep 29, 2026 4:45pm UTC
petrinaut-docs	Ready	Preview	Sep 29, 2026 4:45pm UTC

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 65.90%. Comparing base (5ab67f8) to head (361d6bb).
⚠️ Report is 4 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #9873   +/-   ##
=======================================
  Coverage   65.90%   65.90%           
=======================================
  Files        1906     1906           
  Lines      209994   209994           
  Branches     8221     8221           
=======================================
+ Hits       138389   138390    +1     
+ Misses      70053    70052    -1     
  Partials     1552     1552           

Flag	Coverage Δ
apps.hash-api	15.35% <ø> (ø)

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[codspeed]

Merging this PR will not alter performance

⚠️ 6 benchmarks measured no execution time

Nothing ran under measurement, usually because the compiler removed the code under test. These results are not comparable, so they count as unchanged.

Preventing compiler optimizations

✅ 98 untouched benchmarks

Performance Changes

	Benchmark	BASE	HEAD	Efficiency
⚠️	as_constant	< 1 ns	< 1 ns	N/A
⚠️	constant_equal	< 1 ns	< 1 ns	N/A
⚠️	constant_not_equal	< 1 ns	< 1 ns	N/A
⚠️	access	< 1 ns	< 1 ns	N/A
⚠️	runtime_equal	< 1 ns	< 1 ns	N/A
⚠️	runtime_not_equal	< 1 ns	< 1 ns	N/A

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_{Comparing bm/sre-1087-create-python-turbo-integration (361d6bb) with main (404cc96)}