feat: add runtime diagnostics and path management

src/coinhunter/paths.py

@@ -0,0 +1,16 @@
+"""Print CoinHunter runtime paths."""
+
+from __future__ import annotations
+
+import json
+
+from .runtime import get_runtime_paths
+
+
+def main() -> int:
+    print(json.dumps(get_runtime_paths().as_dict(), ensure_ascii=False, indent=2))
+    return 0
+
+
+if __name__ == "__main__":
+    raise SystemExit(main())