test: record capacity guardrails

scripts/product-scope-guardrails-test.js

@@ -0,0 +1,60 @@
+import assert from 'node:assert/strict';
+import fs from 'node:fs';
+import path from 'node:path';
+
+const repoRoot = process.cwd();
+
+const scannedDocs = [
+  'README.md',
+  'docs/refactor/backend-open-items-and-capacity-20260701.md',
+  'docs/refactor/backend-handoff-roadmap.md',
+  'docs/refactor/legacy-feature-gap-matrix.md',
+  'docs/refactor/next-development-todo.md',
+  'docs/refactor/taro-frontend-integration.md',
+  'docs/refactor/taro-production-integration-checklist.md',
+];
+
+function readLines(relativePath) {
+  const absolutePath = path.join(repoRoot, relativePath);
+  if (!fs.existsSync(absolutePath)) return [];
+  return fs.readFileSync(absolutePath, 'utf8').replace(/\r\n/g, '\n').split('\n').map((text, index) => ({
+    file: relativePath,
+    line: index + 1,
+    text,
+  }));
+}
+
+function hasAny(text, patterns) {
+  return patterns.some(pattern => pattern.test(text));
+}
+
+const lines = scannedDocs.flatMap(readLines);
+const failures = [];
+
+for (const item of lines) {
+  const text = item.text.trim();
+  if (!text) continue;
+
+  if (
+    hasAny(text, [/头像上传/, /头像裁剪/, /裁剪头像/, /第三方头像(?:同步|落库)/]) &&
+    !hasAny(text, [/不做/, /不支持/, /不允许/, /不得/, /不能/, /禁止/, /拒绝/, /不会/, /不要/, /不接/, /只保留/, /only/i, /preset/i])
+  ) {
+    failures.push(`${item.file}:${item.line} 学生头像只能描述为预设-only，不应重新进入待办：${text}`);
+  }
+
+  if (
+    /排行榜/.test(text) &&
+    hasAny(text, [/待补/, /仍缺/, /未完成/, /下一步/, /继续补/, /TODO/i]) &&
+    !hasAny(text, [/默认关闭/, /默认不开启/, /默认不请求/, /不默认/, /不是默认/, /可选活动/, /显式开启/, /明确购买/, /专项压测/])
+  ) {
+    failures.push(`${item.file}:${item.line} 排行榜不能作为默认主线待办：${text}`);
+  }
+
+  if (/前端消息中心/.test(text) && hasAny(text, [/仍缺/, /待补/, /未完成/, /缺/])) {
+    failures.push(`${item.file}:${item.line} 学生前端消息中心已经完成第一版，不能继续写成待补：${text}`);
+  }
+}
+
+assert.deepEqual(failures, [], `Product scope guardrails failed:\n${failures.join('\n')}`);
+
+console.log('[PASS] product scope guardrails');