feat: add 'python -m nameparser' debug CLI; remove monolithic tests.py

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: derek73

nameparser/__main__.py

@@ -0,0 +1,29 @@
+"""Command-line debug helper: parse a name and print the result.
+
+Usage:
+
+    python -m nameparser "Dr. Juan Q. Xavier de la Vega III"
+"""
+import logging
+import sys
+
+from nameparser import HumanName
+
+
+def main() -> None:
+    if len(sys.argv) <= 1:
+        print('Usage: python -m nameparser "Name String"')
+        raise SystemExit(1)
+    log = logging.getLogger('HumanName')
+    log.setLevel(logging.ERROR)
+    log.addHandler(logging.StreamHandler())
+    name_string = sys.argv[1]
+    hn = HumanName(name_string, encoding=sys.stdout.encoding)
+    print(repr(hn))
+    hn.capitalize()
+    print(repr(hn))
+    print("Initials: " + hn.initials())
+
+
+if __name__ == '__main__':
+    main()