feedback5: the public dev branch is marked as a development build (the owner's decision of 2026-10-06): version 0.2.0-dev (title footer, boot banner, /healthz), a README warning under the title (unstable, not for public servers, how to report, shared browser storage, no release zips), a visible 开发版 tag on the title screen (zh / en), a boot-banner warning for hosts, and tools/package.mjs refuses a dev version without --allow-dev; test/version.test.js checks all of it

server/http/boot.js

@@ -10,7 +10,7 @@
 import fs from 'node:fs';
 import os from 'node:os';
 import { fileURLToPath } from 'node:url';
-import { APP_VERSION } from '../../shared/constants.js';
+import { APP_VERSION, DEV_BUILD } from '../../shared/constants.js';
 
 /** Non-internal IPv4 addresses as http URLs. @param {number} port */
 export function lanUrls(port) {
@@ -36,6 +36,7 @@ export function isProcessEntry(metaUrl) {
 /** Print the boot banner of a started server. @param {{ url: string, host: string, port: number }} srv */
 export function printBanner(srv) {
   console.log(`\n  卫戍协议：盟约 · Stronghold Protocol: Alliance v${APP_VERSION}`);
+  if (DEV_BUILD) console.log('  ! 开发版（dev 分支）：不稳定，请勿用于公开服务器 · development build — unstable, not for public servers');
   console.log(`  Local:   ${srv.url}`);
   if (srv.host === '0.0.0.0' || srv.host === '::') {
     for (const u of lanUrls(srv.port)) console.log(`  LAN:     ${u}`);