[Feature] Add saga id for step result

[vadikko2]

Summary by CodeRabbit

Release Notes - v4.8.1

• Chores
  • Bumped version to 4.8.1
  • Improved code stability and type safety
  • Enhanced saga execution tracking capabilities

[coderabbitai]

📝 Walkthrough

Walkthrough

This change adds explicit saga_id tracking to saga step execution results. The version is bumped to 4.8.1, the SagaStepResult dataclass gains a new saga_id field with improved type safety, and the saga execution logic now injects saga_id into yielded results. Test validation confirms saga_id presence.

Changes

Cohort / File(s)	Summary
Version Bump pyproject.toml	Project version updated from 4.8.0 to 4.8.1.
Data Structure Enhancement src/cqrs/saga/step.py	Added `saga_id: UUID
Execution Logic src/cqrs/saga/saga.py	Added dataclasses import; reworked yield points to inject saga_id into SagaStepResult objects using dataclasses.replace; simplified conditionals and multi-line calls for code clarity without altering functional flow.
Test Validation tests/unit/test_saga/test_saga_basic.py	Added runtime assertion validating that step_result.saga_id is populated in test_saga_step_result_contains_correct_metadata.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~12 minutes

Poem

🐰 A saga now carries its ID with pride,
Dataclass fields refined, no more typing to hide,
Each step remembers where it came from within,
Type safety strengthens—let the saga begin! ✨

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and directly describes the main change: adding a saga_id field to SagaStepResult, which is implemented across multiple files with consistent purpose.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Finishing touches

• 📝 Generate docstrings

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch add-saga-id-for-step-result

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 87.26%. Comparing base (976b3ba) to head (e490464).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master      #59      +/-   ##
==========================================
- Coverage   87.36%   87.26%   -0.11%     
==========================================
  Files          70       70              
  Lines        2478     2481       +3     
==========================================
  Hits         2165     2165              
- Misses        313      316       +3     

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[codspeed-hq]

Merging this PR will not alter performance

✅ 58 untouched benchmarks

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_{Comparing add-saga-id-for-step-result (e490464) with master (976b3ba)}