feat(channel): 渠道管理系统 — 多模式定价 + 统一计费解析

Cherry-picked from release/custom-0.1.106: a9117600

frontend/src/api/admin/index.ts

@@ -25,6 +25,7 @@ import apiKeysAPI from './apiKeys'
 import scheduledTestsAPI from './scheduledTests'
 import backupAPI from './backup'
 import tlsFingerprintProfileAPI from './tlsFingerprintProfile'
+import channelsAPI from './channels'
 
 /**
  * Unified admin API object for convenient access
@@ -51,7 +52,8 @@ export const adminAPI = {
   apiKeys: apiKeysAPI,
   scheduledTests: scheduledTestsAPI,
   backup: backupAPI,
-  tlsFingerprintProfiles: tlsFingerprintProfileAPI
+  tlsFingerprintProfiles: tlsFingerprintProfileAPI,
+  channels: channelsAPI
 }
 
 export {
@@ -76,7 +78,8 @@ export {
   apiKeysAPI,
   scheduledTestsAPI,
   backupAPI,
-  tlsFingerprintProfileAPI
+  tlsFingerprintProfileAPI,
+  channelsAPI
 }
 
 export default adminAPI

frontend/src/components/admin/channel/IntervalRow.vue

+<template>
+  <div class="flex items-start gap-2 rounded border border-gray-200 bg-white p-2 dark:border-dark-500 dark:bg-dark-700">
+    <!-- Token mode: context range + prices -->
+    <template v-if="mode === 'token'">
+      <div class="w-20">
+        <label class="text-xs text-gray-400">{{ t('admin.channels.form.minTokens', 'Min (K)') }}</label>
+        <input
+          :value="interval.min_tokens"
+          @input="emitField('min_tokens', toInt(($event.target as HTMLInputElement).value))"
+          type="number"
+          min="0"
+          class="input mt-0.5 text-xs"
+        />
+      </div>
+      <div class="w-20">
+        <label class="text-xs text-gray-400">{{ t('admin.channels.form.maxTokens', 'Max (K)') }}</label>
+        <input
+          :value="interval.max_tokens ?? ''"
+          @input="emitField('max_tokens', toIntOrNull(($event.target as HTMLInputElement).value))"
+          type="number"
+          min="0"
+          class="input mt-0.5 text-xs"
+          :placeholder="'∞'"
+        />
+      </div>
+      <div class="flex-1">
+        <label class="text-xs text-gray-400">{{ t('admin.channels.form.inputPrice', 'Input') }}</label>
+        <input
+          :value="interval.input_price"
+          @input="emitField('input_price', ($event.target as HTMLInputElement).value)"
+          type="number"
+          step="any" min="0"
+          class="input mt-0.5 text-xs"
+        />
+      </div>
+      <div class="flex-1">
+        <label class="text-xs text-gray-400">{{ t('admin.channels.form.outputPrice', 'Output') }}</label>
+        <input
+          :value="interval.output_price"
+          @input="emitField('output_price', ($event.target as HTMLInputElement).value)"
+          type="number"
+          step="any" min="0"
+          class="input mt-0.5 text-xs"
+        />
+      </div>
+      <div class="flex-1">
+        <label class="text-xs text-gray-400">{{ t('admin.channels.form.cacheWritePrice', 'Cache W') }}</label>
+        <input
+          :value="interval.cache_write_price"
+          @input="emitField('cache_write_price', ($event.target as HTMLInputElement).value)"
+          type="number"
+          step="any" min="0"
+          class="input mt-0.5 text-xs"
+        />
+      </div>
+      <div class="flex-1">
+        <label class="text-xs text-gray-400">{{ t('admin.channels.form.cacheReadPrice', 'Cache R') }}</label>
+        <input
+          :value="interval.cache_read_price"
+          @input="emitField('cache_read_price', ($event.target as HTMLInputElement).value)"
+          type="number"
+          step="any" min="0"
+          class="input mt-0.5 text-xs"
+        />
+      </div>
+    </template>
+
+    <!-- Per-request / Image mode: tier label + price -->
+    <template v-else>
+      <div class="w-24">
+        <label class="text-xs text-gray-400">
+          {{ mode === 'image'
+            ? t('admin.channels.form.resolution', 'Resolution')
+            : t('admin.channels.form.tierLabel', 'Tier')
+          }}
+        </label>
+        <input
+          :value="interval.tier_label"
+          @input="emitField('tier_label', ($event.target as HTMLInputElement).value)"
+          type="text"
+          class="input mt-0.5 text-xs"
+          :placeholder="mode === 'image' ? '1K / 2K / 4K' : ''"
+        />
+      </div>
+      <div class="w-20">
+        <label class="text-xs text-gray-400">{{ t('admin.channels.form.minTokens', 'Min') }}</label>
+        <input
+          :value="interval.min_tokens"
+          @input="emitField('min_tokens', toInt(($event.target as HTMLInputElement).value))"
+          type="number"
+          min="0"
+          class="input mt-0.5 text-xs"
+        />
+      </div>
+      <div class="w-20">
+        <label class="text-xs text-gray-400">{{ t('admin.channels.form.maxTokens', 'Max') }}</label>
+        <input
+          :value="interval.max_tokens ?? ''"
+          @input="emitField('max_tokens', toIntOrNull(($event.target as HTMLInputElement).value))"
+          type="number"
+          min="0"
+          class="input mt-0.5 text-xs"
+          :placeholder="'∞'"
+        />
+      </div>
+      <div class="flex-1">
+        <label class="text-xs text-gray-400">{{ t('admin.channels.form.perRequestPrice', 'Price') }}</label>
+        <input
+          :value="interval.per_request_price"
+          @input="emitField('per_request_price', ($event.target as HTMLInputElement).value)"
+          type="number"
+          step="any" min="0"
+          class="input mt-0.5 text-xs"
+        />
+      </div>
+    </template>
+
+    <button
+      type="button"
+      @click="emit('remove')"
+      class="mt-4 rounded p-0.5 text-gray-400 hover:text-red-500"
+    >
+      <Icon name="x" size="sm" />
+    </button>
+  </div>
+</template>
+
+<script setup lang="ts">
+import { useI18n } from 'vue-i18n'
+import Icon from '@/components/icons/Icon.vue'
+import type { IntervalFormEntry } from './types'
+import type { BillingMode } from '@/api/admin/channels'
+
+const { t } = useI18n()
+
+const props = defineProps<{
+  interval: IntervalFormEntry
+  mode: BillingMode
+}>()
+
+const emit = defineEmits<{
+  update: [interval: IntervalFormEntry]
+  remove: []
+}>()
+
+function emitField(field: keyof IntervalFormEntry, value: string | number | null) {
+  emit('update', { ...props.interval, [field]: value === '' ? null : value })
+}
+
+function toInt(val: string): number {
+  const n = parseInt(val, 10)
+  return isNaN(n) ? 0 : n
+}
+
+function toIntOrNull(val: string): number | null {
+  if (val === '') return null
+  const n = parseInt(val, 10)
+  return isNaN(n) ? null : n
+}
+</script>

frontend/src/components/admin/channel/PricingEntryCard.vue

+<template>
+  <div class="rounded-lg border border-gray-200 bg-gray-50 p-3 dark:border-dark-600 dark:bg-dark-800">
+    <!-- Header: Models + Billing Mode + Remove -->
+    <div class="mb-2 flex items-start gap-2">
+      <div class="flex-1">
+        <label class="text-xs font-medium text-gray-500 dark:text-gray-400">
+          {{ t('admin.channels.form.models', 'Models (comma separated, supports *)') }}
+        </label>
+        <textarea
+          :value="entry.modelsInput"
+          @input="emit('update', { ...entry, modelsInput: ($event.target as HTMLTextAreaElement).value })"
+          rows="2"
+          class="input mt-1 text-sm"
+          :placeholder="t('admin.channels.form.modelsPlaceholder', 'claude-sonnet-4-20250514, claude-opus-4-20250514, *')"
+        ></textarea>
+      </div>
+      <div class="w-40">
+        <label class="text-xs font-medium text-gray-500 dark:text-gray-400">
+          {{ t('admin.channels.form.billingMode', 'Billing Mode') }}
+        </label>
+        <Select
+          :modelValue="entry.billing_mode"
+          @update:modelValue="emit('update', { ...entry, billing_mode: $event as BillingMode, intervals: [] })"
+          :options="billingModeOptions"
+          class="mt-1"
+        />
+      </div>
+      <button
+        type="button"
+        @click="emit('remove')"
+        class="mt-5 rounded p-1 text-gray-400 hover:text-red-500"
+      >
+        <Icon name="trash" size="sm" />
+      </button>
+    </div>
+
+    <!-- Token mode: flat prices + intervals -->
+    <div v-if="entry.billing_mode === 'token'">
+      <!-- Flat prices (used when no intervals) -->
+      <div class="grid grid-cols-2 gap-2 sm:grid-cols-4">
+        <div>
+          <label class="text-xs text-gray-500 dark:text-gray-400">
+            {{ t('admin.channels.form.inputPrice', 'Input Price') }}
+          </label>
+          <input
+            :value="entry.input_price"
+            @input="emitField('input_price', ($event.target as HTMLInputElement).value)"
+            type="number"
+            step="any" min="0"
+            class="input mt-1 text-sm"
+            :placeholder="t('admin.channels.form.pricePlaceholder', 'Default')"
+          />
+        </div>
+        <div>
+          <label class="text-xs text-gray-500 dark:text-gray-400">
+            {{ t('admin.channels.form.outputPrice', 'Output Price') }}
+          </label>
+          <input
+            :value="entry.output_price"
+            @input="emitField('output_price', ($event.target as HTMLInputElement).value)"
+            type="number"
+            step="any" min="0"
+            class="input mt-1 text-sm"
+            :placeholder="t('admin.channels.form.pricePlaceholder', 'Default')"
+          />
+        </div>
+        <div>
+          <label class="text-xs text-gray-500 dark:text-gray-400">
+            {{ t('admin.channels.form.cacheWritePrice', 'Cache Write') }}
+          </label>
+          <input
+            :value="entry.cache_write_price"
+            @input="emitField('cache_write_price', ($event.target as HTMLInputElement).value)"
+            type="number"
+            step="any" min="0"
+            class="input mt-1 text-sm"
+            :placeholder="t('admin.channels.form.pricePlaceholder', 'Default')"
+          />
+        </div>
+        <div>
+          <label class="text-xs text-gray-500 dark:text-gray-400">
+            {{ t('admin.channels.form.cacheReadPrice', 'Cache Read') }}
+          </label>
+          <input
+            :value="entry.cache_read_price"
+            @input="emitField('cache_read_price', ($event.target as HTMLInputElement).value)"
+            type="number"
+            step="any" min="0"
+            class="input mt-1 text-sm"
+            :placeholder="t('admin.channels.form.pricePlaceholder', 'Default')"
+          />
+        </div>
+      </div>
+
+      <!-- Token intervals -->
+      <div class="mt-3">
+        <div class="flex items-center justify-between">
+          <label class="text-xs font-medium text-gray-500 dark:text-gray-400">
+            {{ t('admin.channels.form.intervals', 'Context Intervals (optional)') }}
+          </label>
+          <button type="button" @click="addInterval" class="text-xs text-primary-600 hover:text-primary-700">
+            + {{ t('admin.channels.form.addInterval', 'Add Interval') }}
+          </button>
+        </div>
+        <div v-if="entry.intervals && entry.intervals.length > 0" class="mt-2 space-y-2">
+          <IntervalRow
+            v-for="(iv, idx) in entry.intervals"
+            :key="idx"
+            :interval="iv"
+            :mode="entry.billing_mode"
+            @update="updateInterval(idx, $event)"
+            @remove="removeInterval(idx)"
+          />
+        </div>
+      </div>
+    </div>
+
+    <!-- Per-request mode: tiers -->
+    <div v-else-if="entry.billing_mode === 'per_request'">
+      <div class="flex items-center justify-between">
+        <label class="text-xs font-medium text-gray-500 dark:text-gray-400">
+          {{ t('admin.channels.form.requestTiers', 'Request Tiers') }}
+        </label>
+        <button type="button" @click="addInterval" class="text-xs text-primary-600 hover:text-primary-700">
+          + {{ t('admin.channels.form.addTier', 'Add Tier') }}
+        </button>
+      </div>
+      <div v-if="entry.intervals && entry.intervals.length > 0" class="mt-2 space-y-2">
+        <IntervalRow
+          v-for="(iv, idx) in entry.intervals"
+          :key="idx"
+          :interval="iv"
+          :mode="entry.billing_mode"
+          @update="updateInterval(idx, $event)"
+          @remove="removeInterval(idx)"
+        />
+      </div>
+      <div v-else class="mt-2 rounded border border-dashed border-gray-300 p-3 text-center text-xs text-gray-400 dark:border-dark-500">
+        {{ t('admin.channels.form.noTiersYet', 'No tiers. Add one to configure per-request pricing.') }}
+      </div>
+    </div>
+
+    <!-- Image mode: tiers -->
+    <div v-else-if="entry.billing_mode === 'image'">
+      <div class="flex items-center justify-between">
+        <label class="text-xs font-medium text-gray-500 dark:text-gray-400">
+          {{ t('admin.channels.form.imageTiers', 'Image Tiers') }}
+        </label>
+        <button type="button" @click="addImageTier" class="text-xs text-primary-600 hover:text-primary-700">
+          + {{ t('admin.channels.form.addTier', 'Add Tier') }}
+        </button>
+      </div>
+      <div v-if="entry.intervals && entry.intervals.length > 0" class="mt-2 space-y-2">
+        <IntervalRow
+          v-for="(iv, idx) in entry.intervals"
+          :key="idx"
+          :interval="iv"
+          :mode="entry.billing_mode"
+          @update="updateInterval(idx, $event)"
+          @remove="removeInterval(idx)"
+        />
+      </div>
+      <div v-else>
+        <!-- Legacy image_output_price fallback -->
+        <div class="mt-2 grid grid-cols-2 gap-2 sm:grid-cols-4">
+          <div>
+            <label class="text-xs text-gray-500 dark:text-gray-400">
+              {{ t('admin.channels.form.imageOutputPrice', 'Image Output Price') }}
+            </label>
+            <input
+              :value="entry.image_output_price"
+              @input="emitField('image_output_price', ($event.target as HTMLInputElement).value)"
+              type="number"
+              step="any" min="0"
+              class="input mt-1 text-sm"
+              :placeholder="t('admin.channels.form.pricePlaceholder', 'Default')"
+            />
+          </div>
+        </div>
+      </div>
+    </div>
+  </div>
+</template>
+
+<script setup lang="ts">
+import { computed } from 'vue'
+import { useI18n } from 'vue-i18n'
+import Select from '@/components/common/Select.vue'
+import Icon from '@/components/icons/Icon.vue'
+import IntervalRow from './IntervalRow.vue'
+import type { PricingFormEntry, IntervalFormEntry } from './types'
+import type { BillingMode } from '@/api/admin/channels'
+
+const { t } = useI18n()
+
+const props = defineProps<{
+  entry: PricingFormEntry
+}>()
+
+const emit = defineEmits<{
+  update: [entry: PricingFormEntry]
+  remove: []
+}>()
+
+const billingModeOptions = computed(() => [
+  { value: 'token', label: t('admin.channels.billingMode.token', 'Token') },
+  { value: 'per_request', label: t('admin.channels.billingMode.perRequest', 'Per Request') },
+  { value: 'image', label: t('admin.channels.billingMode.image', 'Image') }
+])
+
+function emitField(field: keyof PricingFormEntry, value: string) {
+  emit('update', { ...props.entry, [field]: value === '' ? null : value })
+}
+
+function addInterval() {
+  const intervals = [...(props.entry.intervals || [])]
+  intervals.push({
+    min_tokens: 0,
+    max_tokens: null,
+    tier_label: '',
+    input_price: null,
+    output_price: null,
+    cache_write_price: null,
+    cache_read_price: null,
+    per_request_price: null,
+    sort_order: intervals.length
+  })
+  emit('update', { ...props.entry, intervals })
+}
+
+function addImageTier() {
+  const intervals = [...(props.entry.intervals || [])]
+  const labels = ['1K', '2K', '4K', 'HD']
+  const nextLabel = labels[intervals.length] || ''
+  intervals.push({
+    min_tokens: 0,
+    max_tokens: null,
+    tier_label: nextLabel,
+    input_price: null,
+    output_price: null,
+    cache_write_price: null,
+    cache_read_price: null,
+    per_request_price: null,
+    sort_order: intervals.length
+  })
+  emit('update', { ...props.entry, intervals })
+}
+
+function updateInterval(idx: number, updated: IntervalFormEntry) {
+  const intervals = [...(props.entry.intervals || [])]
+  intervals[idx] = updated
+  emit('update', { ...props.entry, intervals })
+}
+
+function removeInterval(idx: number) {
+  const intervals = [...(props.entry.intervals || [])]
+  intervals.splice(idx, 1)
+  emit('update', { ...props.entry, intervals })
+}
+</script>

frontend/src/components/admin/channel/types.ts

+import type { BillingMode, PricingInterval } from '@/api/admin/channels'
+
+export interface IntervalFormEntry {
+  min_tokens: number
+  max_tokens: number | null
+  tier_label: string
+  input_price: number | string | null
+  output_price: number | string | null
+  cache_write_price: number | string | null
+  cache_read_price: number | string | null
+  per_request_price: number | string | null
+  sort_order: number
+}
+
+export interface PricingFormEntry {
+  modelsInput: string
+  billing_mode: BillingMode
+  input_price: number | string | null
+  output_price: number | string | null
+  cache_write_price: number | string | null
+  cache_read_price: number | string | null
+  per_request_price: number | string | null
+  image_output_price: number | string | null
+  intervals: IntervalFormEntry[]
+}
+
+export function toNullableNumber(val: number | string | null | undefined): number | null {
+  if (val === null || val === undefined || val === '') return null
+  const num = Number(val)
+  return isNaN(num) ? null : num
+}
+
+export function apiIntervalsToForm(intervals: PricingInterval[]): IntervalFormEntry[] {
+  return (intervals || []).map(iv => ({
+    min_tokens: iv.min_tokens,
+    max_tokens: iv.max_tokens,
+    tier_label: iv.tier_label || '',
+    input_price: iv.input_price,
+    output_price: iv.output_price,
+    cache_write_price: iv.cache_write_price,
+    cache_read_price: iv.cache_read_price,
+    per_request_price: iv.per_request_price,
+    sort_order: iv.sort_order
+  }))
+}
+
+export function formIntervalsToAPI(intervals: IntervalFormEntry[]): PricingInterval[] {
+  return (intervals || []).map(iv => ({
+    min_tokens: iv.min_tokens,
+    max_tokens: iv.max_tokens,
+    tier_label: iv.tier_label,
+    input_price: toNullableNumber(iv.input_price),
+    output_price: toNullableNumber(iv.output_price),
+    cache_write_price: toNullableNumber(iv.cache_write_price),
+    cache_read_price: toNullableNumber(iv.cache_read_price),
+    per_request_price: toNullableNumber(iv.per_request_price),
+    sort_order: iv.sort_order
+  }))
+}

frontend/src/components/layout/AppSidebar.vue

@@ -287,6 +287,21 @@ const FolderIcon = {
     )
 }
 
+const ChannelIcon = {
+  render: () =>
+    h(
+      'svg',
+      { fill: 'none', viewBox: '0 0 24 24', stroke: 'currentColor', 'stroke-width': '1.5' },
+      [
+        h('path', {
+          'stroke-linecap': 'round',
+          'stroke-linejoin': 'round',
+          d: 'M6.429 9.75L2.25 12l4.179 2.25m0-4.5l5.571 3 5.571-3m-11.142 0L2.25 7.5 12 2.25l9.75 5.25-4.179 2.25m0 0l4.179 2.25L12 17.25 2.25 12m15.321-2.25l4.179 2.25L12 17.25l-9.75-5.25'
+        })
+      ]
+    )
+}
+
 const CreditCardIcon = {
   render: () =>
     h(
@@ -568,6 +583,7 @@ const adminNavItems = computed((): NavItem[] => {
       : []),
     { path: '/admin/users', label: t('nav.users'), icon: UsersIcon, hideInSimpleMode: true },
     { path: '/admin/groups', label: t('nav.groups'), icon: FolderIcon, hideInSimpleMode: true },
+    { path: '/admin/channels', label: t('nav.channels', '渠道管理'), icon: ChannelIcon, hideInSimpleMode: true },
     { path: '/admin/subscriptions', label: t('nav.subscriptions'), icon: CreditCardIcon, hideInSimpleMode: true },
     { path: '/admin/accounts', label: t('nav.accounts'), icon: GlobeIcon },
     { path: '/admin/announcements', label: t('nav.announcements'), icon: BellIcon },

frontend/src/router/index.ts

@@ -278,6 +278,16 @@ const routes: RouteRecordRaw[] = [
       descriptionKey: 'admin.groups.description'
     }
   },
+  {
+    path: '/admin/channels',
+    name: 'AdminChannels',
+    component: () => import('@/views/admin/ChannelsView.vue'),
+    meta: {
+      requiresAuth: true,
+      requiresAdmin: true,
+      title: 'Channel Management'
+    }
+  },
   {
     path: '/admin/subscriptions',
     name: 'AdminSubscriptions',