feat(wiki): 新增 GHC06 任务页与图库发布体系，级联更新既有页面

Co-Authored-By: Claude <noreply@anthropic.com>

scripts/wiki_update_page.py

@@ -328,8 +328,8 @@ def extract_script_to_script_js(content):
     if not match:
         print("script_js_extracted=False")
         return content, ""
-    # Wiki.js injects scriptJs verbatim into the rendered page body, so the
-    # payload must retain its script element instead of containing bare JS.
+    # Wiki.js injects scriptJs verbatim into the rendered body. Preserve the
+    # script element; a bare payload is parsed as body text instead of executed.
     script_js = match.group(0).strip()
     content_without_script = (content[: match.start()] + content[match.end() :]).rstrip()
     print(f"script_js_extracted=True length={len(script_js)}")