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core/core/__init__.py

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+"""Core application utilities."""

core/core/logging.py

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+"""Logging configuration for the Streamlit application.
+
+This module intentionally lives at core/logging.py so it does not shadow
+Python's standard-library logging module.
+"""
+
+from __future__ import annotations
+
+import logging
+
+
+def configure_logging(level: int = logging.INFO) -> logging.Logger:
+    """Configure basic application logging and return a module logger."""
+    logging.basicConfig(
+        level=level,
+        format="%(asctime)s | %(levelname)s | %(name)s | %(message)s",
+    )
+    return logging.getLogger(__name__)