fix(extension): wait for ERP entry readiness

chrome-extension/ltjt-order-assistant/README.md

@@ -11,9 +11,11 @@ Chrome Manifest V3 扩展，在用户已登录的 LTJT ERP 页面内执行经过
 
 ## 当前版本
 
-当前源码版本为 `0.5.165`。版本化 ZIP、文件哈希和 Skill/DOCX 基线见 [`../../dist/release-manifest.json`](../../dist/release-manifest.json)。旧版本实现流水已冻结在 [`../../archive/project-history/2026-08-16/chrome-extension-README.pre-governance.md`](../../archive/project-history/2026-08-16/chrome-extension-README.pre-governance.md)。
+当前源码版本为 `0.5.166`。版本化 ZIP、文件哈希和 Skill/DOCX 基线见 [`../../dist/release-manifest.json`](../../dist/release-manifest.json)。旧版本实现流水已冻结在 [`../../archive/project-history/2026-08-16/chrome-extension-README.pre-governance.md`](../../archive/project-history/2026-08-16/chrome-extension-README.pre-governance.md)。
 
-0.5.165 当前重点：
+0.5.166 当前重点：
+
+- 散拼新增计划进入计划表后立即检查“新增计划”按钮；若同路径 iframe 尚在渲染，则每 100ms 重新取得当前 document 并检查按钮是否已连接且可用，出现后立即继续，最长 15 秒后才在写前阻断。快速页面没有固定等待，也不会自动重试任何 ERP 写入。
 
 - 散拼新增计划和独立团批量下单在已加载候选无法唯一匹配时，会真正触发 `S_chanpinming` 的原生非空检索并等待 Ajax 返回，再对产品名/时长做本地唯一匹配。完整产品名原样查询；只有尾部 `10D`、`8天` 等数字时长会先剥离。最后仍保留一次空条件兼容重载，零候选或多候选继续在写前阻断。
 

chrome-extension/ltjt-order-assistant/inpage.js

@@ -2,6 +2,8 @@
   'use strict';
 
   const SPLIT_PARENT_RESPONSE_REQUERY_DELAYS_MS = Object.freeze([0, 750, 2000]);
+  const SPLIT_PARENT_ENTRY_READY_TIMEOUT_MS = 15000;
+  const SPLIT_PARENT_ENTRY_READY_INTERVAL_MS = 100;
 
   function sleep(ms) {
     return new Promise((resolve) => setTimeout(resolve, ms));
@@ -1351,6 +1353,24 @@
     return current;
   }
 
+  async function waitForSplitParentAddButton(initialListDocument) {
+    return waitForCondition(() => {
+      // The ERP can expose the destination path before replacing or finishing
+      // the iframe document. Reacquire it on every probe so a stale same-path
+      // document cannot make the first execution fail while the button renders.
+      const candidate = mainIframe() ? mainIframeDocument() : initialListDocument;
+      if (!candidate) return null;
+      try {
+        if (!/\/system\/business\/plan\.asp$/i.test(candidate.location.pathname)) return null;
+        const addButton = candidate.querySelector('#NewBuildB, [name="NewBuildB"]');
+        if (!addButton || addButton.isConnected === false || addButton.disabled === true) return null;
+        return { document: candidate, addButton };
+      } catch (error) {
+        return null;
+      }
+    }, SPLIT_PARENT_ENTRY_READY_TIMEOUT_MS, SPLIT_PARENT_ENTRY_READY_INTERVAL_MS);
+  }
+
   function nativeListRequestMatches(settings = {}, scopeDocument) {
     let requestUrl;
     try {
@@ -3879,9 +3899,16 @@
       S_chufariqi: dateStart,
       S_chufarizhi: dateEnd
     });
-    const addButton = listDocument.querySelector('#NewBuildB, [name="NewBuildB"]');
-    if (!addButton) return { status: 'split_parent_live_blocked', blockers: ['split parent add button not found'], no_erp_write: true };
-    addButton.click();
+    const listReady = await waitForSplitParentAddButton(listDocument);
+    if (!listReady) {
+      return {
+        status: 'split_parent_live_blocked',
+        blockers: ['split parent add button not found after readiness timeout'],
+        no_erp_write: true
+      };
+    }
+    listDocument = listReady.document;
+    listReady.addButton.click();
     const formDocument = await waitForDocumentPath(/\/system\/business\/plan_add\.asp$/i, 30000);
     if (!formDocument) return { status: 'split_parent_live_blocked', blockers: ['split parent form did not load'], no_erp_write: true };
     const ready = await waitForCondition(() => {
@@ -6091,7 +6118,7 @@
   }
 
   window.LTJTOrderAssistant = {
-    version: '0.5.165',
+    version: '0.5.166',
     resolveNativeListSearchValues,
     lookupKeywordMatchesText,
     inspectLifecycleSearchCriteria: lifecycleSearchCriteria,

chrome-extension/ltjt-order-assistant/manifest.json

@@ -1,7 +1,7 @@
 {
   "manifest_version": 3,
   "name": "联泰下单助手",
-  "version": "0.5.165",
+  "version": "0.5.166",
   "description": "在已登录 LTJT ERP 页面内规划并受控执行联泰 ERP 业务操作。",
   "permissions": [
     "activeTab",

chrome-extension/ltjt-order-assistant/team-batch-inpage.js

@@ -944,7 +944,7 @@
 
   window.LTJTOrderAssistant = {
     ...(window.LTJTOrderAssistant || {}),
-    version: '0.5.165',
+    version: '0.5.166',
     openTeamBatchForm,
     pingTeamBatchFrame,
     preflightTeamBatchNative,