Fix iOS WebKit crash by shipping external app.js instead of inlined HTML.

Stop embedding the 1.4MB bundle in index.html to avoid std::overflow_error on launch, validate the iOS asset build, and surface load failures in the native shell.

Co-authored-by: Cursor <cursoragent@cursor.com>

ios/scripts/build-web-assets.sh

@@ -18,29 +18,33 @@ cp -R dist/* "$OUT/"
 
 python3 - <<PY
 from pathlib import Path
+import re
 
 out = Path("$OUT")
 html_path = out / "index.html"
-js_path = out / "assets" / "app.js"
-css_path = out / "assets" / "app.css"
 html = html_path.read_text(encoding="utf-8")
-js = js_path.read_text(encoding="utf-8")
-css = css_path.read_text(encoding="utf-8")
 
-# 单文件内联，避免 wordloop:// 二次请求脚本失败
-html = html.replace('<link rel="stylesheet" href="wordloop://app/assets/app.css">', f"<style>{css}</style>")
-html = html.replace(
-    '<script src="wordloop://app/assets/app.js"></script>',
-    "",
-)
-# 脚本放在 </body> 前，确保 #app 已存在（head 内联会导致 Vue mount 失败、白屏）
-html = html.replace(
-    "</body>",
-    f"    <script>{js}</script>\\n  </body>",
-)
+# 保持外链资源，避免把 ~1.4MB JS 内联进 HTML 导致 WebKit std::overflow_error 崩溃
+html = html.replace("wordloop://app/assets/", "./assets/")
+
+script = re.search(r'<script src="\./assets/[^"]+"></script>', html)
+if script:
+    tag = script.group(0)
+    if tag not in html.split("</body>", 1)[-1]:
+        html = html.replace(tag, "", 1)
+        html = html.replace("</body>", f"    {tag}\n  </body>", 1)
 
 html_path.write_text(html, encoding="utf-8")
-print(">>> 已内联 app.js / app.css 到 index.html")
+
+if len(html) > 20_000:
+    raise SystemExit("index.html 过大，可能仍含内联 JS，会导致 WebKit overflow 崩溃")
+for block in re.findall(r"<script>(.*?)</script>", html, re.DOTALL):
+    if len(block) > 1000:
+        raise SystemExit("index.html 检测到内联业务脚本，请保持 app.js 外链")
+if "./assets/app.js" not in html:
+    raise SystemExit("index.html 缺少 ./assets/app.js 外链")
+
+print(">>> 已生成外链版 index.html（app.js / app.css 独立文件）")
 PY
 
 echo ">>> 已复制到 $OUT"