fix: restore hashability of status enums that define custom __eq__

[exploreriii]

Fixes #2469

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[coderabbitai]

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ℹ️ Recent review info

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Run ID: fe4e7544-397c-4dc3-9559-146f425bce2d

📥 Commits

Reviewing files that changed from the base of the PR and between 4a1f8df and fc702ca.

📒 Files selected for processing (6)

• src/hiero_sdk_python/system/freeze_type.py
• src/hiero_sdk_python/tokens/token_freeze_status.py
• src/hiero_sdk_python/tokens/token_key_validation.py
• src/hiero_sdk_python/tokens/token_kyc_status.py
• src/hiero_sdk_python/tokens/token_pause_status.py
• tests/unit/status_enum_hashability_test.py

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Walkthrough

Five status enums now hash using their underlying values. New parameterized unit tests verify that enum members work in sets and dictionaries and remain hash-consistent with their integer values.

Changes

Status enum hashability

Layer / File(s)	Summary
Value-based enum hashing src/hiero_sdk_python/system/freeze_type.py, src/hiero_sdk_python/tokens/token_freeze_status.py, src/hiero_sdk_python/tokens/token_key_validation.py, src/hiero_sdk_python/tokens/token_kyc_status.py, src/hiero_sdk_python/tokens/token_pause_status.py	Adds __hash__ implementations that return hashes of each enum member’s underlying value.
Hashability validation tests/unit/status_enum_hashability_test.py	Adds parameterized tests covering set membership, dictionary keys, and hash consistency with integer equality.

Estimated code review effort: 2 (Simple) | ~10 minutes

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title accurately summarizes the main change: restoring hashability for enums with custom equality.
Description check	✅ Passed	The description is related to the change set and references the fixed issue.
Linked Issues check	✅ Passed	All affected enums listed in issue #2469 now implement hash, and tests verify hashability and int-consistent equality.
Out of Scope Changes check	✅ Passed	The added tests and hash methods are directly in scope for restoring enum hashability.
Docstring Coverage	✅ Passed	Docstring coverage is 100.00% which is sufficient. The required threshold is 80.00%.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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[MonaaEid]

lgtm

[github-actions]

👋 Hi @exploreriii! Great work completing a Beginner issue! 🎉

Thanks for your contribution! 🚀

Here are some issues you might want to explore next:

• TopicUpdateTransaction silent state-rewrite and small consistency issues
• Memo collision in TopicCreateTransaction and TopicUpdateTransaction

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Happy coding! 🚀
— Hiero Python SDK Team

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

@@            Coverage Diff             @@
##             main    #2470      +/-   ##
==========================================
+ Coverage   95.03%   95.07%   +0.04%     
==========================================
  Files         164      164              
  Lines       10464    10474      +10     
==========================================
+ Hits         9944     9958      +14     
+ Misses        520      516       -4     

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