refactor: migrate test files to colocated structure in src/

[Colk-tech]

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[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (c3b9700) to head (f3f5447).

Additional details and impacted files

@@            Coverage Diff            @@
##              main       #33   +/-   ##
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  Coverage   100.00%   100.00%           
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  Files           47        47           
  Lines          552       552           
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  Hits           552       552           

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[Copilot]

Pull request overview

This PR refactors the test structure by migrating test files from a separate test/ directory to a colocated structure within src/. Tests are now placed alongside their corresponding source files following the pattern test_*.py.

Key changes:

• Moved all test files to src/ directory, colocated with source code
• Updated pytest configuration to discover tests in src/ directory with test_*.py pattern
• Updated coverage configuration to omit test files and conftest.py
• Updated documentation in CLAUDE.md to reflect new colocated testing structure

Reviewed changes

Copilot reviewed 2 out of 46 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
test/init.py	Removed old test directory structure
test/common/init.py	Removed old test directory structure
test/common/di/init.py	Removed old test directory structure
test/system/init.py	Removed old test directory structure
test/system/di/init.py	Removed old test directory structure
test/system/di/module/init.py	Removed old test directory structure
test/system/di/module/infrastructure/init.py	Removed old test directory structure
test/system/di/module/infrastructure/repository/init.py	Removed old test directory structure
test/system/di/module/infrastructure/repository/sqlalchemy/init.py	Removed old test directory structure
test/system/domain/init.py	Removed old test directory structure
test/system/domain/interface/init.py	Removed old test directory structure
test/system/domain/interface/repository/init.py	Removed old test directory structure
test/system/domain/interface/repository/common/init.py	Removed old test directory structure
test/system/infrastructure/init.py	Removed old test directory structure
test/system/infrastructure/ext/init.py	Removed old test directory structure
test/system/infrastructure/ext/logfire/init.py	Removed old test directory structure
test/system/infrastructure/ext/sentry/init.py	Removed old test directory structure
test/system/infrastructure/repository/init.py	Removed old test directory structure
test/system/infrastructure/repository/sqlalchemy/init.py	Removed old test directory structure
test/system/infrastructure/repository/sqlalchemy/crud/init.py	Removed old test directory structure
test/system/infrastructure/repository/sqlalchemy/translator/init.py	Removed old test directory structure
test/system/infrastructure/repository/sqlalchemy/type/init.py	Removed old test directory structure
test/system/ui/init.py	Removed old test directory structure
test/system/ui/discord/init.py	Removed old test directory structure
test/system/usecase/base/init.py	Removed old test directory structure
test/system/util/init.py	Removed old test directory structure
src/system/usecase/base/test_interface.py	Test for usecase interface abstraction
src/system/usecase/base/test_dto.py	Tests for usecase DTO classes
src/system/ui/discord/test_config.py	Test for Discord configuration interface
src/system/infrastructure/repository/sqlalchemy/type/test_ulid.py	Tests for ULID column type converter
src/system/infrastructure/repository/sqlalchemy/translator/test_user.py	Tests for User domain/DB translator
src/system/infrastructure/repository/sqlalchemy/translator/test_nickname.py	Tests for NicknameChangelog domain/DB translator
src/system/infrastructure/repository/sqlalchemy/translator/test_messenger.py	Tests for Messenger domain/DB translator
src/system/infrastructure/repository/sqlalchemy/translator/test_base.py	Test for base translator abstraction
src/system/infrastructure/repository/sqlalchemy/test_config.py	Test for SQLAlchemy configuration interface
src/system/infrastructure/repository/sqlalchemy/crud/test_user.py	Tests for User repository CRUD operations
src/system/infrastructure/repository/sqlalchemy/crud/test_nickname.py	Tests for NicknameChangelog repository operations
src/system/infrastructure/repository/sqlalchemy/crud/test_messenger.py	Tests for Messenger repository operations
src/system/domain/test_config.py	Tests for domain configuration and environment enum
src/system/domain/interface/repository/common/test_response.py	Tests for repository response data structures
src/system/di/test_container.py	Test for dependency injection container
src/system/di/module/infrastructure/repository/sqlalchemy/test_module.py	Tests for SQLAlchemy repository DI module
src/conftest.py	Shared pytest fixtures for ULID and dialect
src/common/di/test_builder.py	Tests for DI builder utilities
pyproject.toml	Updated pytest and coverage config for colocated tests
CLAUDE.md	Updated documentation to reflect colocated test structure

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