Fix data contract examples in docs

[mwojtyczka]

Changes

Fix data contract examples in docs

Tests

• manually tested
• added unit tests
• added integration tests
• added end-to-end tests
• added performance tests

Documentation and Demos

• added/updated demos
• added/updated docs
• added/updated agent skills

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 92.42%. Comparing base (69d5d5a) to head (853d0d3).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1250      +/-   ##
==========================================
+ Coverage   92.20%   92.42%   +0.21%     
==========================================
  Files         101      102       +1     
  Lines        9740    10075     +335     
==========================================
+ Hits         8981     9312     +331     
- Misses        759      763       +4     

Flag	Coverage Δ
anomaly	54.37% <ø> (+1.28%)	⬆️
anomaly-serverless	54.38% <ø> (+1.28%)	⬆️
integration	50.40% <ø> (-0.18%)	⬇️
integration-serverless	50.63% <ø> (-0.41%)	⬇️
unit	57.02% <ø> (+0.53%)	⬆️

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[github-actions]

✅ 788/788 passed, 41 skipped, 4h54m45s total

_{Running from acceptance #4896}

[github-actions]

✅ 194/194 passed, 2 skipped, 6h56m31s total

_{Running from anomaly #1010}

[ghanse]

LGTM