Sync Python SDK models from atlanhq/models

[atlan-ci]

Summary

This PR syncs the generated Python SDK models from the atlanhq/models repository.

• Source commit: 4afb2fb19d4cd80304d155848366f3e3b5075f79
• Triggered by: Push to master branch

Changes

Auto-generated Python model files from Pkl type definitions.

Test Plan

• Verify generated models are syntactically correct
• Run existing tests against updated models

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🤖 This PR was automatically created by the sync-python-sdk workflow.

[claude]

Code Review Summary

This auto-generated PR syncs 455 model files from atlanhq/models. After analysis:

Issues Requiring Attention

1. Test Failures (2)

• tests/integration/test_oauth_client.py - failing
• tests/integration/purpose_test.py - failing

These should be investigated before merging.

2. requirements.txt Cleared
The PR empties the entire requirements.txt lockfile (274 lines deleted). This appears unintentional for a model sync and may affect build reproducibility.

3. Type Annotation Change
Collection fields changed from Set[str] to List[str] across all models. This is a potential breaking change for code relying on set semantics.

Security Review

No security concerns - model code only, no API keys/secrets, TLS config, or URL validation changes.

Key Changes

• 455 files in pyatlan_v9/model/assets/
• Added relationship attributes to asset classes
• Refactored serialization with RelationshipAttributes classes
• Renamed: function_secrets to sql_secrets

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Review by Claude Code

[claude]

Note: Type annotations for collection fields have changed from Set[str] to List[str] throughout the models. This is a potential breaking change if consumers rely on set semantics (automatic deduplication, O(1) membership testing).