Refactor code structure and remove redundant changes

codex-lens/build/lib/codexlens/__main__.py

@@ -0,0 +1,14 @@
+"""Module entrypoint for `python -m codexlens`."""
+
+from __future__ import annotations
+
+from codexlens.cli import app
+
+
+def main() -> None:
+    app()
+
+
+if __name__ == "__main__":
+    main()
+