added：增加Linux-server

write-server/src/lib/config.ts

@@ -0,0 +1,66 @@
+import path from "path";
+import os from "os";
+
+// 支持环境变量配置 BLOG_ROOT（Linux 部署）
+// Docker 部署时，BLOG_ROOT 通过环境变量传入
+export const BLOG_ROOT = process.env.BLOG_ROOT
+  ? path.resolve(process.env.BLOG_ROOT)
+  : path.resolve(process.cwd(), "..");
+
+export const CONTENT_DIR = path.join(BLOG_ROOT, "content", "posts");
+export const STATIC_DIR = path.join(BLOG_ROOT, "static");
+export const RECYCLE_DIR = path.join(process.cwd(), "recycle");
+export const RECYCLE_POSTS_DIR = path.join(RECYCLE_DIR, "posts");
+export const RECYCLE_META_DIR = path.join(RECYCLE_DIR, "meta");
+export const ARTALK_SERVER = process.env.ARTALK_SERVER || "https://artalk.usj.cc";
+export const ARTALK_SITE = process.env.ARTALK_SITE || "优世界";
+export const ITEMS_PER_PAGE = parseInt(process.env.ITEMS_PER_PAGE || "20", 10);
+export const RECYCLE_DAYS = parseInt(process.env.RECYCLE_DAYS || "30", 10);
+export const HUGO_PREVIEW = process.env.HUGO_PREVIEW || "http://localhost:1313";
+export const RSS_API_BASE = process.env.RSS_API_BASE || "https://api.usj.cc";
+export const RSS_API_TOKEN = process.env.RSS_API_TOKEN || "";
+export const WECHAT_APP_ID = process.env.WECHAT_APP_ID || "";
+export const WECHAT_APP_SECRET = process.env.WECHAT_APP_SECRET || "";
+
+// Bot 配置
+export const TG_BOT_TOKEN = process.env.TG_BOT_TOKEN || "";
+export const TG_ALLOWED_IDS: number[] = (process.env.TG_ALLOWED_CHAT_IDS || "")
+  .split(",").map((s) => s.trim()).filter(Boolean).map(Number);
+
+// Linux 默认网络接口（eth0, ens33 等），Windows 默认 WLAN
+export const PREFER_IFACE = process.env.PREFER_IFACE || (process.platform === "linux" ? "eth0" : "WLAN");
+export const DEFAULT_AUTHOR = process.env.DEFAULT_AUTHOR || "小赵";
+
+export function getLanIP(): string {
+  const ifs = os.networkInterfaces();
+  const candidates: { name: string; address: string }[] = [];
+  for (const [name, addrs] of Object.entries(ifs)) {
+    if (!addrs) continue;
+    for (const a of addrs) {
+      if (a.family !== "IPv4" || a.internal) continue;
+      if (a.address.startsWith("169.254.")) continue;
+      candidates.push({ name, address: a.address });
+    }
+  }
+
+  // 优先查找首选接口
+  const pref = candidates.find((c) =>
+    c.name.toLowerCase().includes(PREFER_IFACE.toLowerCase())
+  );
+  if (pref) return pref.address;
+
+  // 查找真实网络接口（排除虚拟接口）
+  const real = candidates.find((c) => {
+    const n = c.name.toLowerCase();
+    return !n.includes("vmware") &&
+           !n.includes("virtual") &&
+           !n.includes("vethernet") &&
+           !n.includes("docker") &&
+           !n.includes("br-") &&
+           !n.includes("veth");
+  });
+  if (real) return real.address;
+
+  // 返回第一个可用地址
+  return candidates[0]?.address || "0.0.0.0";
+}