release: prepare OpenNexus 0.5.2-alpha1

backend/sidecar_entry.py

@@ -1,5 +1,24 @@
-"""PyInstaller 条目；应用程序包包含在构建脚本中。"""
-from app.sidecar import main
+"""PyInstaller 条目；分派桌面 Core 与受限的内部工作进程。"""
+from __future__ import annotations
+
+from pathlib import Path
+import sys
+
+
+PDF_RENDER_WORKER = "--opennexus-pdf-render"
+
+
+def main(argv: list[str] | None = None) -> int:
+    """冻结程序不能使用 ``python -m``，因此在固定入口显式分派 PDF Worker。"""
+    args = sys.argv if argv is None else argv
+    if len(args) == 5 and args[1] == PDF_RENDER_WORKER:
+        from app.export.browser_pdf import print_snapshot
+
+        print_snapshot(Path(args[2]), Path(args[3]), args[4])
+        return 0
+    from app.sidecar import main as sidecar_main
+
+    return sidecar_main()
 
 if __name__ == "__main__":
     raise SystemExit(main())