Refactor logging, caching, and template rendering for clarity

[coordt]

Description

Summary of Changes

• Removed unused TemporaryDirectory mock from caching test.
• Added extensive tests for:
  • Deeply nested templates.
  • Expression caching.
  • Indentation in structured loggers.
  • Validation of merge methods.
• Introduced verbosity configuration for CLI build command.
• Refactored variable naming in template rendering for better readability.
• Replaced logging.getLogger with get_indented_logger in render.py for structured logging.
• Implemented caching for default environment in expression rendering to enhance performance.
• Updated options for merge methods and clarified the descriptions.
• Renamed overwrite merge method to update to improve clarity.
• Annotated type hints for parse_git_path (PathInfo) for better typing.
• Introduced IndentedLoggerAdapter for structured and indented logging.
• Pre-commit updates:
  • Added the pyupgrade hook.
  • Removed mdformat from pre-commit hooks.
• Changed caching mechanism to use TEMPORARY_CACHE_DIR in place of TemporaryDirectory.
• Updated Python dependencies, .gitignore, and changelog formatting configuration.

Dependencies Updated

• Updated dependencies in uv.lock and pyproject.toml.
• Modified .gitignore to exclude temporary Python files.
• Adjusted changelog configuration to include MDFormat actions.

[github-actions]

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2026-03-28 13:10 UTC

[github-actions]

Version hint: minor
Current version: 0.6.0
New version (when merged): 0.7.0

_{Comment ID: Display version hint-auto-generated}