feat(provider): 完成阶段E协议适配、国内预设与模型路由
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<script setup lang="ts">
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import { computed, onBeforeUnmount, onMounted, reactive, ref } from 'vue'
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import type { ModelBinding, ModelRoutingConfig, ModelRoutingResponse, ProviderConfig, RoutingCapability } from '@/contracts'
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import { getModelRouting, saveModelRouting } from '@/services/modelRoutingService'
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import { listProviders } from '@/services/providerService'
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import { ApiErrorClass } from '@/services/apiClient'
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const capabilities: Array<{ id: RoutingCapability; name: string; endpoint: string; placeholder: string; local: string }> = [
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{ id: 'embedding', name: '向量嵌入 · Embedding', endpoint: '/embeddings', placeholder: '例如 text-embedding-3-small', local: '当前为占位实现，尚未接入真实本地嵌入模型。' },
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{ id: 'transcription', name: '语音转写 · Transcription', endpoint: '/audio/transcriptions', placeholder: '输入转写模型 ID', local: '真实本地 ASR 尚未接入，等待阶段 F；当前无法进行本地语音识别。' },
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{ id: 'speaker_matching', name: '说话人匹配 · Speaker matching', endpoint: '/audio/speaker-matches', placeholder: '输入说话人匹配模型 ID', local: '真实本地说话人匹配尚未接入，等待阶段 F；当前无法进行本地声纹匹配。' },
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]
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type Draft = { provider_id: string; model: string; endpoint: string; dimensions: string | number }
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const drafts = reactive(Object.fromEntries(capabilities.map(item => [item.id, { provider_id: '', model: '', endpoint: item.endpoint, dimensions: '' }])) as Record<RoutingCapability, Draft>)
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const providers = ref<ProviderConfig[]>([])
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const response = ref<ModelRoutingResponse | null>(null)
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const loading = ref(false)
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const saving = ref(false)
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const error = ref('')
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const saved = ref(false)
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const conflict = ref(false)
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let active = true
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const eligible = (provider: ProviderConfig) => provider.enabled && ['openai_chat', 'openai_compatible'].includes(provider.provider_type)
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const available = computed(() => providers.value.filter(eligible))
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const unavailable = computed(() => providers.value.filter(provider => !eligible(provider)))
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const localBackend = (capability: RoutingCapability) => response.value?.local_backends.find(item => item.capability === capability)
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const localLabel = (capability: RoutingCapability) => {
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const status = localBackend(capability)?.status
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return status === 'ready' ? '已就绪' : status === 'placeholder' ? '占位实现' : '尚未接入'
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}
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const protocols = [
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{ id: 'openai_chat', label: 'OpenAI Chat' }, { id: 'openai_compatible', label: 'OpenAI Compatible' },
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{ id: 'openai_responses', label: 'Responses' }, { id: 'anthropic_messages', label: 'Anthropic' }, { id: 'ollama', label: 'Ollama' },
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]
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function applyResponse(result: ModelRoutingResponse) {
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response.value = result
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for (const item of capabilities) {
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const binding = result.config[item.id]
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Object.assign(drafts[item.id], { provider_id: binding?.provider_id ?? '', model: binding?.model ?? '', endpoint: binding?.endpoint ?? item.endpoint, dimensions: binding?.dimensions?.toString() ?? '' })
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}
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}
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async function load() {
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if (loading.value || saving.value) return
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loading.value = true
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error.value = ''
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saved.value = false
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try {
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const [routing, items] = await Promise.all([getModelRouting(), listProviders()])
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if (!active) return
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providers.value = items
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applyResponse(routing)
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conflict.value = false
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} catch (reason) {
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if (active) error.value = `加载失败：${reason instanceof Error ? reason.message : '无法读取模型路由或提供商'}`
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} finally { loading.value = false }
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}
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onMounted(load)
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onBeforeUnmount(() => { active = false })
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function changeProvider(capability: RoutingCapability) {
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const draft = drafts[capability]
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draft.model = ''
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draft.dimensions = ''
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draft.endpoint = capabilities.find(item => item.id === capability)!.endpoint
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saved.value = false
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}
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function bindingFor(capability: RoutingCapability): ModelBinding | null {
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const draft = drafts[capability]
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if (!draft.provider_id) return null
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if (!available.value.some(provider => provider.provider_id === draft.provider_id)) throw new Error('请选择已启用且协议可用的提供商，或切换到本地。')
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if (!draft.model.trim()) throw new Error('请填写所选 API 的模型 ID。')
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if (!/^\/[A-Za-z0-9_/-]+$/.test(draft.endpoint) || draft.endpoint.startsWith('//')) throw new Error('Endpoint 必须是以 / 开头的相对路径，只能包含字母、数字、下划线、连字符和 /。')
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const binding: ModelBinding = { provider_id: draft.provider_id, model: draft.model.trim(), endpoint: draft.endpoint }
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if (capability === 'embedding') {
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const dimension = String(draft.dimensions).trim()
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if (dimension && (!/^\d+$/.test(dimension) || !Number.isSafeInteger(Number(dimension)) || Number(dimension) < 1 || Number(dimension) > 16384)) throw new Error('嵌入维度必须为 1–16384 的整数，或留空使用 API 默认值。')
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binding.dimensions = dimension ? Number(dimension) : null
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}
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return binding
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}
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async function save() {
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if (!response.value || loading.value || saving.value || conflict.value) return
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saving.value = true
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error.value = ''
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saved.value = false
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try {
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const config: ModelRoutingConfig = {
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version: response.value.config.version,
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embedding: bindingFor('embedding'), transcription: bindingFor('transcription'), speaker_matching: bindingFor('speaker_matching'),
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}
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const result = await saveModelRouting(config)
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if (active) { applyResponse(result); saved.value = true }
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} catch (reason) {
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if (!active) return
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conflict.value = reason instanceof ApiErrorClass && /CONFLICT|VERSION|HTTP_409/i.test(reason.code)
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error.value = conflict.value
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? '配置版本冲突：其他窗口已修改路由。当前输入尚未保存，请重新加载最新配置后再编辑。'
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: `保存失败：${reason instanceof Error ? reason.message : '请重试'}`
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} finally { saving.value = false }
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}
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</script>
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<template>
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<section class="routing-settings" aria-labelledby="routing-title" :aria-busy="loading || saving">
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<div><h2 id="routing-title">能力模型路由</h2><p class="subtle">向量嵌入、语音转写和说话人匹配分别选择提供商与模型，独立于默认聊天模型。API Key 在「模型提供商」中管理。</p></div>
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<p class="subtle">未选择提供商即使用本地路径。API 请求失败、配置不可用或响应无效时，服务端会回退到当前本地处理；本地占位不代表真实模型已接入。</p>
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<p v-if="loading" role="status">正在加载模型路由…</p>
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<div v-if="error" class="error-banner" role="alert">{{ error }}</div>
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<div class="inline-actions"><button type="button" class="button-secondary" :disabled="loading || saving" @click="load">{{ conflict ? '放弃当前输入并加载最新配置' : response ? '重新加载（放弃未保存更改）' : '重试加载' }}</button><span v-if="response" class="subtle">配置版本 {{ response.config.version }}</span></div>
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<form v-if="response" @submit.prevent="save" @input="saved = false" @change="saved = false">
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<fieldset :disabled="loading || saving || conflict">
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<article v-for="capability in capabilities" :key="capability.id" class="routing-card" :data-capability="capability.id">
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<h3>{{ capability.name }}</h3>
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<p v-if="capability.id === 'embedding'" class="embedding-notice">更换模型或接口后，请重建全部索引。重建完成前继续使用本地检索。</p>
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<div class="protocols" aria-label="协议可用性">
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<span v-for="protocol in protocols" :key="protocol.id" class="badge" :class="{ 'protocol-unavailable': !['openai_chat', 'openai_compatible'].includes(protocol.id) }">{{ protocol.label }}{{ ['openai_chat', 'openai_compatible'].includes(protocol.id) ? ' · 可用' : ' · 不可用' }}</span>
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</div>
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<label class="field"><span>处理方式 / 提供商</span><select v-model="drafts[capability.id].provider_id" class="select" data-field="provider" @change="changeProvider(capability.id)">
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<option value="">本地 · {{ localLabel(capability.id) }}</option>
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<option v-for="provider in available" :key="provider.provider_id" :value="provider.provider_id">{{ provider.name }} · {{ provider.provider_type }}</option>
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<option v-for="provider in unavailable" :key="provider.provider_id" :value="provider.provider_id" disabled>{{ provider.name }} · {{ provider.enabled ? '协议不可用' : '未启用' }}</option>
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<option v-if="drafts[capability.id].provider_id && !providers.some(provider => provider.provider_id === drafts[capability.id].provider_id)" :value="drafts[capability.id].provider_id" disabled>原提供商已不可用 · {{ drafts[capability.id].provider_id }}</option>
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</select></label>
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<div v-if="drafts[capability.id].provider_id" class="routing-fields">
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<label class="field"><span>模型 ID</span><input v-model="drafts[capability.id].model" class="input" data-field="model" :placeholder="capability.placeholder" maxlength="256" required /></label>
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<label class="field"><span>Endpoint（相对 Base URL）</span><input v-model="drafts[capability.id].endpoint" class="input" data-field="endpoint" :placeholder="capability.endpoint" maxlength="256" required /></label>
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<label v-if="capability.id === 'embedding'" class="field"><span>向量维度（可选）</span><input v-model="drafts.embedding.dimensions" class="input" data-field="dimensions" type="number" min="1" max="16384" step="1" placeholder="留空使用 API 默认维度" /><small class="subtle">填写模型支持的 1–16384 整数维度，或留空使用 API 默认值。</small></label>
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</div>
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<p v-if="capability.id === 'speaker_matching'" class="subtle">说话人匹配使用本应用自定义 HTTP multipart 契约。该端点不是 OpenAI 标准接口；服务需实现对应的说话人匹配请求和响应。</p>
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<div class="local-status" :class="{ selected: !drafts[capability.id].provider_id }">
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<strong>{{ drafts[capability.id].provider_id ? '本地回退状态' : '当前本地状态' }}</strong>
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<p>{{ localBackend(capability.id)?.status === 'ready' ? '本地后端已就绪。' : capability.local }}</p>
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<p v-for="backend in response.local_backends.filter(item => item.capability === capability.id)" :key="backend.capability" class="subtle"><span class="badge">{{ backend.status === 'ready' ? '已就绪' : backend.status === 'placeholder' ? '占位实现' : '未安装 / 未接入' }}</span> {{ backend.message }}</p>
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</div>
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</article>
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</fieldset>
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<div class="inline-actions"><button type="submit" class="button-primary" :disabled="loading || saving || conflict">{{ saving ? '保存中…' : '保存模型路由' }}</button><span v-if="saved" role="status">模型路由已保存。</span></div>
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</form>
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</section>
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</template>
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<style scoped>
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.routing-settings, form, fieldset { display: grid; gap: var(--space-lg); }
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.routing-settings { border-top: 1px solid var(--color-border-default); padding-top: var(--space-xl); margin-top: var(--space-md); }
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fieldset { min-width: 0; padding: 0; margin: 0; border: 0; }
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.routing-card { display: grid; gap: var(--space-md); padding: var(--space-lg); border: 1px solid var(--color-border-default); border-radius: var(--radius-lg); background: var(--color-surface-primary); }
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.routing-card h3 { margin: 0; }
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.protocols { display: flex; flex-wrap: wrap; gap: var(--space-xs); }
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.protocol-unavailable { opacity: .65; }
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.embedding-notice { padding: var(--space-md); border-radius: var(--radius-md); background: var(--color-accent-soft); color: var(--color-text-primary); }
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.routing-fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-md); }
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.local-status { display: grid; gap: var(--space-xs); padding: var(--space-md); background: var(--color-background-secondary); border-radius: var(--radius-md); }
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.local-status.selected { border-left: 3px solid var(--color-accent-primary); }
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@media (max-width: 700px) { .routing-fields { grid-template-columns: 1fr; } }
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</style>
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