feat(updates): 接入 Sparkle 并支持双语发布说明

scripts/github_release_notes.py

@@ -0,0 +1,39 @@
+#!/usr/bin/env python3
+# Copyright (C) 2026 ysicing
+# SPDX-License-Identifier: AGPL-3.0-or-later
+"""生成 GitHub Release 的完整中文正文和英文更新说明，不执行发布。"""
+
+import argparse
+from pathlib import Path
+import re
+
+from appcast import release_notes
+from sparkle_appcast import ROOT, load_localized_notes
+
+
+def render(version: str, changelog: str, translations: Path) -> str:
+    section = re.search(rf"^## {re.escape(version)} · \S+\n(.*?)(?=^## |\Z)", changelog, re.S | re.M)
+    if not section or not section.group(1).strip():
+        raise ValueError(f"CHANGELOG.md 里没有 {version} 的正文")
+    _, notes = release_notes(changelog, version)
+    if not notes:
+        raise ValueError(f"CHANGELOG.md 里没有 {version} 的更新条目")
+    localized = load_localized_notes({"version": version, "notes": notes}, translations)
+    # 中文保留原有分类、链接和升级提示；英文复用发布摘要，避免维护两份重复译文。
+    english = "\n".join(f"- {note}" for note in localized["en"])
+    return f"## 中文\n\n{section.group(1).strip()}\n\n## English\n\n{english}\n"
+
+
+def main() -> None:
+    parser = argparse.ArgumentParser(description=__doc__)
+    parser.add_argument("version")
+    args = parser.parse_args()
+    print(render(args.version, (ROOT / "CHANGELOG.md").read_text(encoding="utf-8"),
+                 ROOT / "ReleaseNotes.json"), end="")
+
+
+if __name__ == "__main__":
+    try:
+        main()
+    except (ValueError, OSError) as error:
+        raise SystemExit(f"error: {error}") from error