修复 dev:all 端口段与前端就绪判定

将 CLI port-range 同步到 AGC 端口解析环境。

将主站和后台 HTTP readiness 限制为 2xx。

补充真实 HTTP 状态码与端口段传递测试。

scripts/dev-all.mjs

@@ -91,6 +91,20 @@ function buildRootDevArgs(argv = []) {
   ];
 }
 
+function buildDevAllBaseEnvironment(argv = [], baseEnv = process.env) {
+  let portRange;
+  for (let index = 0; index < argv.length; index += 1) {
+    if (argv[index] === '--port-range') {
+      portRange = argv[index + 1];
+      index += 1;
+    }
+  }
+
+  return portRange
+    ? { ...baseEnv, GENARRATIVE_DEV_PORT_RANGE: portRange }
+    : { ...baseEnv };
+}
+
 function buildDevAllEnvironment(baseEnv = process.env, agcVitePort) {
   if (!Number.isInteger(agcVitePort) || agcVitePort < 1024) {
     throw new Error(`AGC Vite 端口无效: ${agcVitePort}`);
@@ -120,7 +134,7 @@ async function isHttpReady(url, timeoutMs = 1_000) {
   const timeout = setTimeout(() => controller.abort(), timeoutMs);
   try {
     const response = await fetch(url, { signal: controller.signal });
-    return response.status >= 200 && response.status < 500;
+    return response.status >= 200 && response.status < 300;
   } catch {
     return false;
   } finally {
@@ -511,11 +525,12 @@ async function runDevAll(argv = process.argv.slice(2), dependencies = {}) {
   }
 
   try {
+    const baseEnv = buildDevAllBaseEnvironment(argv);
     const endpoint = await resolveEndpoint({
-      env: process.env,
+      env: baseEnv,
       strictConfigured: true,
     });
-    const env = buildDevAllEnvironment(process.env, endpoint.port);
+    const env = buildDevAllEnvironment(baseEnv, endpoint.port);
     const rootArgs = buildRootDevArgs(argv);
 
     console.log(
@@ -589,10 +604,12 @@ async function runDevAll(argv = process.argv.slice(2), dependencies = {}) {
 export {
   agcDatabase,
   agcDataDir,
+  buildDevAllBaseEnvironment,
   buildDevAllEnvironment,
   buildManagedSpawnOptions,
   buildRootDevArgs,
   buildStartupSummary,
+  isHttpReady,
   isSharedRootStackReady,
   readDevStackState,
   renderStartupTable,