Use named logger instead of root logger in config.py

[Copilot]

Addresses feedback from PR #40 to avoid calling logging methods on the root logger directly.

Changes

• Added module-level named logger: logger = logging.getLogger(__name__)
• Updated logging.info() call to use logger.info() in Settings.init()

# Before
logging.info("🔧 Auto-configured API_KEY for testing environment...")

# After
logger = logging.getLogger(__name__)
# ...
logger.info("🔧 Auto-configured API_KEY for testing environment...")

This follows Python logging best practices by using a named logger scoped to app.config instead of the root logger.

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[Neiland85]

This PR has been overtaken by the 2025 architecture refactor.
Closing it with respect, but it is no longer part of the living codebase.