legacy 入站可升级为命名入站

顶层端口字段没有 proxy 可写（listener/inbound/base.go:97），界面上
切不了订阅。升级删掉顶层键、建同端口的 listener：listen 按 allow-lan
推导后写死，全局规则里 MATCH 之前的部分复制成附加规则，来源照抄
MATCH 目标组的 use:，让流量去向尽量不变。udp 不写，命名入站解析时
默认就是开的（listener/parse.go:52）。
「默认」tag 随术语表改成 legacy，旧叫法进 avoid 列表。

web/components/InboundList.vue

@@ -45,7 +45,7 @@ function outboundOf(inbound: Inbound): { text: string; chained: boolean } {
         <span class="type mono">{{ inboundTypeLabel(inbound.type) }}</span>
         <span class="name">
           {{ inbound.name }}
-          <span v-if="inbound.isDefault" class="tag">默认</span>
+          <span v-if="inbound.isDefault" class="tag">legacy</span>
         </span>
         <span :class="['out mono', isUnsetOutbound(inbound.outbound) && 'is-muted']">
           <span v-if="outboundOf(inbound).chained" class="chain" title="经过链式代理">

web/dashboard.ts

@@ -20,7 +20,7 @@ export function modeLabel(mode: unknown): string {
   }
 }
 
-/** 一个监听中的代理端口。name 用配置键原词，和路由页默认入站的命名一致。 */
+/** 一个监听中的代理端口。name 用配置键原词，和路由页legacy 入站的命名一致。 */
 export interface KernelPort {
   name: string
   port: number

web/views/InboundDetail.vue

@@ -32,6 +32,7 @@ import OutboundCard from '../components/OutboundCard.vue'
 import SourcePicker from '../components/SourcePicker.vue'
 import IconEdit from '~icons/ri/edit-line'
 import IconDelete from '~icons/ri/delete-bin-line'
+import IconUpgrade from '~icons/ri/arrow-up-circle-line'
 import IconRight from '~icons/ri/arrow-right-s-line'
 import IconOffline from '~icons/ri/cloud-off-line'
 import IconAdd from '~icons/ri/add-line'
@@ -61,6 +62,8 @@ const props = defineProps<{
 const emit = defineEmits<{
   edit: []
   remove: []
+  /** 把 legacy 入站升级成命名入站。写配置文件，由父组件先弹确认 */
+  upgrade: []
   /** 切换某个策略组当前选中谁 */
   select: [group: string, member: string]
   test: [name: string, provider: string]
@@ -90,7 +93,7 @@ const lanMissing = computed(() => missingLanRules(props.subRules).length)
  */
 const subMatchAt = computed(() => firstMatchIndex(props.subRules))
 
-/** 默认入站由配置顶层的端口字段声明，没有 proxy 字段可写，也不能删。 */
+/** legacy 入站由配置顶层的端口字段声明，没有 proxy 字段可写，也不能删，只能升级。 */
 const locked = computed(() => props.inbound.isDefault)
 
 const activeTab = ref('')
@@ -448,10 +451,15 @@ const complete = computed(
       <div class="title">
         <span class="port mono">{{ inbound.port }}</span>
         <span class="name">{{ inbound.name }}</span>
-        <div v-if="!locked" class="acts">
-          <button type="button" @click="emit('edit')"><IconEdit /> 编辑</button>
-          <button type="button" class="danger" @click="emit('remove')">
-            <IconDelete /> 删除
+        <div class="acts">
+          <template v-if="!locked">
+            <button type="button" @click="emit('edit')"><IconEdit /> 编辑</button>
+            <button type="button" class="danger" @click="emit('remove')">
+              <IconDelete /> 删除
+            </button>
+          </template>
+          <button v-else type="button" :disabled="saving" @click="emit('upgrade')">
+            <IconUpgrade /> 改为命名入站
           </button>
         </div>
       </div>
@@ -842,16 +850,21 @@ const complete = computed(
   cursor: pointer;
 }
 
-.acts button:hover {
+.acts button:hover:not(:disabled) {
   border-color: var(--c-accent);
   color: var(--c-accent-text);
 }
 
-.acts button.danger:hover {
+.acts button.danger:hover:not(:disabled) {
   border-color: var(--c-danger);
   color: var(--c-danger);
 }
 
+.acts button:disabled {
+  color: var(--c-text-faint);
+  cursor: not-allowed;
+}
+
 .facts {
   display: grid;
   grid-template-columns: auto 1fr;

web/views/RouterPage.vue

@@ -22,6 +22,7 @@ import {
   sharedPeers,
   syncGenerated,
   readSetup,
+  upgradeLegacyInbound,
   userProviders,
 } from '@shared/inbound-groups.ts'
 import { missingLanRules, moveRule, ruleProvidersOf } from '@shared/rules.ts'
@@ -177,6 +178,30 @@ async function adopt() {
   await commit(applySetup(clone(), target.name, defaultSetup()), `${target.name} 已改为逐条选线路`)
 }
 
+/** 待确认升级的那一路 legacy 入站。非 null 时确认对话框打开着。 */
+const upgrading = ref<Inbound | null>(null)
+
+function askUpgrade() {
+  const target = selected.value
+  if (!target || target.legacyKey === null || saving.value) return
+  upgrading.value = target
+}
+
+async function upgradeConfirmed() {
+  const target = upgrading.value
+  upgrading.value = null
+  if (!target || saving.value) return
+  const next = upgradeLegacyInbound(clone(), target)
+  if (!next) {
+    toast(`已有名为 ${target.name} 的入站，无法升级`, { kind: 'error' })
+    return
+  }
+  // 新入站追加在 listeners 末尾，升级成功后把选中跟过去，否则选中会被重置到第一行
+  const index = Array.isArray(props.data.listeners) ? props.data.listeners.length : 0
+  const ok = await commit(next, `${target.name} 已改为命名入站`)
+  if (ok) selectedId.value = `listener:${String(index)}`
+}
+
 function openAdd() {
   formEditing.value = null
   formOpen.value = true
@@ -368,6 +393,7 @@ async function removeConfirmed() {
         :saving="saving"
         @edit="openEdit"
         @remove="askRemove"
+        @upgrade="askUpgrade"
         @select="selectMember"
         @test="test"
         @save="saveSetup"
@@ -400,6 +426,19 @@ async function removeConfirmed() {
       @confirm="removeConfirmed"
     />
 
+    <ConfirmDialog
+      :open="upgrading !== null"
+      :message="
+        upgrading
+          ? `将「${upgrading.name}」改为命名入站？端口不变，此后它的流量改查自己的附加规则` +
+            `（全局规则中 MATCH 之前的部分会复制过来），可以单独选订阅和线路。`
+          : ''
+      "
+      action="升级"
+      @close="upgrading = null"
+      @confirm="upgradeConfirmed"
+    />
+
     <RuleForm
       :open="subFormOpen"
       :editing="subEditing === null ? null : { index: subEditing, raw: subRules[subEditing]! }"