fix: recover Robot configuration loading

src/pages/AiHardware/index.tsx

@@ -152,6 +152,8 @@ export function AiHardware() {
   const [config, setConfig] = useState<AiHardwareAgentConfiguration | null>(null);
   const [configRevision, setConfigRevision] = useState<number | null>(null);
   const [configLoading, setConfigLoading] = useState(false);
+  const [configLoadFailed, setConfigLoadFailed] = useState(false);
+  const [configReloadKey, setConfigReloadKey] = useState(0);
   const [notice, setNotice] = useState<string | null>(null);
   const [createOpen, setCreateOpen] = useState(false);
   const [bindOpen, setBindOpen] = useState(false);
@@ -220,19 +222,30 @@ export function AiHardware() {
 
   useEffect(() => { void loadOverview(); }, [loadOverview]);
   useEffect(() => {
-    if (!selectedAgentId) { setConfig(null); setConfigRevision(null); return; }
+    if (!selectedAgentId) {
+      setConfig(null);
+      setConfigRevision(null);
+      setConfigLoading(false);
+      setConfigLoadFailed(false);
+      return;
+    }
     let active = true;
     setConfig(null);
     setConfigRevision(null);
+    setConfigLoadFailed(false);
     setNotice(null);
     setConfigLoading(true);
     void getAiHardwareAgentConfiguration(selectedAgentId).then((result) => {
       if (!active) return;
       setConfig(result.data); setConfigRevision(result.revision);
-    }).catch(() => { if (active) setNotice('无法读取智能体配置，请刷新后重试。'); })
+    }).catch(() => {
+      if (!active) return;
+      setConfigLoadFailed(true);
+      setNotice('无法读取智能体配置，请刷新后重试。');
+    })
       .finally(() => { if (active) setConfigLoading(false); });
     return () => { active = false; };
-  }, [selectedAgentId]);
+  }, [configReloadKey, selectedAgentId]);
 
   const selectedAgent = overview?.agents.find((item) => item.id === selectedAgentId) ?? null;
   const devices = useMemo(() => overview?.devices ?? [], [overview]);
@@ -365,7 +378,7 @@ export function AiHardware() {
         <div className="grid gap-5 lg:grid-cols-[minmax(240px,0.7fr)_minmax(0,1.3fr)]">
           <Card><CardHeader className="flex-row items-center justify-between"><div><CardTitle>智能体</CardTitle><CardDescription>{overview.agents.length} 个</CardDescription></div><Button size="icon" aria-label="创建智能体" onClick={() => { resetDialog(); setCreateOpen(true); }}><Plus className="h-4 w-4" /></Button></CardHeader><CardContent className="space-y-2">{overview.agents.map((agent) => <button key={agent.id} type="button" aria-pressed={agent.id === selectedAgentId} onClick={() => setSelectedAgentId(agent.id)} className={`motion-press flex min-h-12 w-full items-center gap-3 rounded-xl px-3 py-2 text-left ${agent.id === selectedAgentId ? 'bg-brand-soft' : 'bg-surface-subtle hover:bg-surface-tertiary'}`}><Bot className="h-4 w-4 shrink-0" /><span className="min-w-0 flex-1"><span className="block truncate text-sm font-semibold">{agent.name}</span><span title={agent.id} className="block text-xs tabular-nums text-muted-foreground">{shortId(agent.id)} · r{agent.config_revision}</span></span></button>)}</CardContent></Card>
           <div className="space-y-5">
-            <Card><CardHeader className="flex-row items-center justify-between"><div><CardTitle>{selectedAgent?.name ?? '智能体配置'}</CardTitle><CardDescription>基础对话和语音设置</CardDescription></div><Button variant="outline" disabled={configLoading || !config} onClick={() => { if (!config) return; resetDialog(); setDraft(draftFrom(config)); setConfigOpen(true); }}>{configLoading ? <Loader2 className="mr-2 h-4 w-4 animate-spin" /> : <Settings2 className="mr-2 h-4 w-4" />}编辑配置</Button></CardHeader><CardContent>{config ? <dl className="grid gap-3 text-sm sm:grid-cols-2"><div><dt className="text-muted-foreground">语言</dt><dd>{config.language || config.lang_code || '未设置'}</dd></div><div><dt className="text-muted-foreground">语音</dt><dd>{config.tts_voice_id || '未设置'}</dd></div><div className="sm:col-span-2"><dt className="text-muted-foreground">系统提示</dt><dd className="mt-1 whitespace-pre-wrap">{config.system_prompt || '未设置'}</dd></div></dl> : <FeedbackState state="loading" title="正在读取配置" />}</CardContent></Card>
+            <Card><CardHeader className="flex-row items-center justify-between"><div><CardTitle>{selectedAgent?.name ?? '智能体配置'}</CardTitle><CardDescription>基础对话和语音设置</CardDescription></div><Button variant="outline" disabled={configLoading || !config} onClick={() => { if (!config) return; resetDialog(); setDraft(draftFrom(config)); setConfigOpen(true); }}>{configLoading ? <Loader2 className="mr-2 h-4 w-4 animate-spin" /> : <Settings2 className="mr-2 h-4 w-4" />}编辑配置</Button></CardHeader><CardContent>{config ? <dl className="grid gap-3 text-sm sm:grid-cols-2"><div><dt className="text-muted-foreground">语言</dt><dd>{config.language || config.lang_code || '未设置'}</dd></div><div><dt className="text-muted-foreground">语音</dt><dd>{config.tts_voice_id || '未设置'}</dd></div><div className="sm:col-span-2"><dt className="text-muted-foreground">系统提示</dt><dd className="mt-1 whitespace-pre-wrap">{config.system_prompt || '未设置'}</dd></div></dl> : configLoading ? <FeedbackState state="loading" title="正在读取配置" /> : configLoadFailed ? <FeedbackState state="error" title="无法读取智能体配置" description="请检查服务连接后重试。" action={<Button variant="outline" onClick={() => setConfigReloadKey((value) => value + 1)}>重试读取配置</Button>} /> : null}</CardContent></Card>
             <Card><CardHeader className="flex-row items-center justify-between"><div><CardTitle>设备</CardTitle><CardDescription>{devices.length} 台已绑定设备</CardDescription></div><Button onClick={() => { resetDialog(); setDialogAgentId(selectedAgentId ?? overview.agents[0].id); setBindOpen(true); }}><Link2 className="mr-2 h-4 w-4" />绑定设备</Button></CardHeader><CardContent>{devices.length ? <div className="space-y-2">{devices.map((device) => <div key={device.id} className="flex min-h-12 items-center justify-between gap-3 rounded-xl bg-surface-subtle px-3 py-2"><span className="min-w-0"><span className="block text-sm font-semibold">设备 {shortId(device.id)}</span><span title={device.id} className="text-xs tabular-nums text-muted-foreground">指派 r{device.assignment_revision}</span></span><Button variant="outline" size="sm" onClick={() => void openAssignment(device)}>重新指派</Button></div>)}</div> : <FeedbackState state="empty" title="还没有绑定设备" description="使用设备上的 6 位激活码完成绑定。" />}</CardContent></Card>
           </div>
         </div>