test: add 100% coverage tests for user_profile modules

What does this MR do and why?

This MR adds 100% test coverage for the user_profile module and improves overall test reliability.

📦 Coverage Improvements

Comprehensive unit tests have been added for the following modules:

File	Statements	Tests Added
user_profile/profile_service.py	140	56 tests
user_profile/profile_ui.py	96	22 tests
user_profile/profile_utils.py	58	6 tests (updated)
user_profile/render_user_profile.py	52	9 tests

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➕ Test Files Added (7 total)

• tests/test_profile_service.py
• tests/test_profile_ui.py
• tests/test_profile_utils.py
• tests/test_render_user_profile.py
• tests/test_batch_utils.py
• tests/test_asyncio_patch.py
• tests/test_asyncio_patch_2.py

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🔧 Additional Changes

• Fixed mock decorator in test_batch_utils.py to support ttl argument
• Updated pyproject.toml to exclude venv, .venv, build, and dist from Vulture checks
• Updated mypy.ini to ignore missing imports for external dependencies

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📊 Summary

• Total test files: 7
• Total tests added: 108+
• Coverage achieved: 100% for user_profile module
• Improves reliability and prevents regressions

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References

• Addresses test coverage gaps identified in code quality checks
• Part of testing improvements for compliance checker module

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Screenshots or screen recordings

Before	After
Partial coverage	100% coverage

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How to set up and validate locally

1. Run all tests:

./venv/bin/python -m pytest tests/ -v

2. Verify coverage:

./venv/bin/python -m pytest tests/ \
  --cov=user_profile.profile_service \
  --cov=user_profile.profile_ui \
  --cov=user_profile.profile_utils \
  --cov=user_profile.render_user_profile \
  --cov-report=term-missing

3. Run full suite:

./venv/bin/python -m pytest tests/ -q

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MR acceptance checklist

• Tests added for all new code paths
• All existing tests pass
• Code coverage at 100% for modified files
• No breaking changes to existing functionality
• Follows project testing conventions
• Documentation updated (if applicable)
• No security issues introduced
• No performance degradation