feat: add one-click installers and Windows launcher

tests/test_stdio.py

@@ -0,0 +1,19 @@
+# SPDX-License-Identifier: GPL-3.0-or-later
+# Copyright (C) 2026 Alexey
+
+from __future__ import annotations
+
+import io
+
+from miband_tracker.stdio import safe_print
+
+
+def test_safe_print_does_not_crash_on_non_ascii_with_charmap_stream() -> None:
+    raw = io.BytesIO()
+    stream = io.TextIOWrapper(raw, encoding="cp1251", errors="strict")
+
+    safe_print("API 业务错误", file=stream, flush=True)
+    stream.flush()
+
+    assert b"API " in raw.getvalue()
+    assert b"\\u4e1a" in raw.getvalue()