fix: multi-node online stats, per-node Hy2 ports, and panel reload stability

Co-authored-by: Cursor <cursoragent@cursor.com>

panel/links.py

@@ -5,6 +5,9 @@ import os
 from pathlib import Path
 from urllib.parse import quote
 
+from db import list_nodes
+from nodes_util import hy2_port
+
 
 def load_env() -> dict[str, str]:
     root = Path(os.environ.get("JIEDIAN_ROOT", Path(__file__).resolve().parents[1]))
@@ -26,6 +29,7 @@ def build_links(node: dict, env: dict | None = None) -> dict[str, str]:
     public_key = env["REALITY_PUBLIC_KEY"]
     short_id = env["REALITY_SHORT_ID"]
     name = quote(node["name"])
+    port = hy2_port(node, list_nodes())
 
     vless = (
         f"vless://{node['uuid']}@{vps_ip}:443"
@@ -33,5 +37,5 @@ def build_links(node: dict, env: dict | None = None) -> dict[str, str]:
         f"&sni={reality_sni}&fp=chrome&pbk={public_key}&sid={short_id}"
         f"&type=tcp#{name}"
     )
-    hy2 = f"hy2://{node['hy2_password']}@{domain}:8443?sni={domain}#{name}-Hy2"
+    hy2 = f"hy2://{node['hy2_password']}@{domain}:{port}?sni={domain}#{name}-Hy2"
     return {"vless": vless, "hy2": hy2}