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fix(scheduler): AUTO 遇空内容响应降级到下一个 slot(客户端曾报 "no content")
生产故障:pi 客户端报 `model "AUTO" returned a completed response with no content`, 重试延迟 8 秒。实测 AUTO 20 次有 2 次返回空 content,全部是 claude-opus-4-8。 根因(直连上游抓包确认):思考型模型先吐 reasoning_content,max_tokens 小到 思考阶段就把预算用完时,上游返回 200 / finish_reason=length,28 个 chunk 全是 reasoning_content、content 一片空白。runTier 只看 err == nil 就当成功返回, 客户端拿到一个空响应。 修复: - resultIsEmpty:非流式路径把「无 content、无 tool_calls、无 image」的响应当作 slot 失败继续降级。注意 ReasoningContent 不算内容——客户端要的是文本,为 另一个模型的思考阶段扣住请求比降级更糟。 - peekStream:流式路径在出现首个真实内容前缓冲 reasoning 前导,流结束仍无内容 则回报空结果,让 chainDrive 换 slot。缓冲只覆盖思考前导,拿到内容后立即 转发。tool_calls delta 算内容,agent 回合不会被误判。 - 3 条判据 + 3 个变异(恒 false / 恒 true / reasoning 算内容)全部被捕获。 同时修三个 WebUI 布局缺陷(都靠截图而非 DOM 断言发现): - 插件侧栏项只渲染图标没有标题:btn.innerHTML 只塞 pluginIconHTML(pg.icon), 与原生页的「图标 + <span>标题</span>」不一致,侧栏是一排无名图标。 - 计费维度表 8 列挤在 465px 卡片里:table-layout:fixed 把每列压到 62px, 23/80 个单元格溢出、数字互相重叠。改为 6 列(token 细分合并为 「输入(新鲜+缓存)」,细分进 title)+ table-layout:auto,实测 0/60 溢出。 - 数字列 word-break:break-all 让每个字符独占一行(USD 0.56 竖排成 U/S/D), 改 nowrap + 容器横向滚动。
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@ -5403,7 +5403,18 @@
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// The SVG form is allowed through RAW, which is only safe because
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// it is strictly filtered: see pluginIconHTML. Escaping it (as this
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// did) would print the markup as text instead.
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btn.innerHTML = pluginIconHTML(pg.icon);
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//
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// The label is NOT optional. Every native tab is
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// `<svg>…</svg><span data-i="navX">标题</span>`; a plugin tab that
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// carried only the icon rendered as a nameless icon in the sidebar,
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// which is what "the navigation entry has no title" was. The span
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// carries no data-i because plugin titles are not in the host's
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// translation table — set from pg.title, same as btn.title.
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btn.innerHTML =
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pluginIconHTML(pg.icon) +
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'<span>' +
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esc(pg.title || id) +
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"</span>";
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btn.onclick = () => goTab(id);
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nav.appendChild(btn);
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PLUGIN_PAGES.add(id);
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