feat(admin): 插件能力页按类型分组展示 — 工具/技能/渠道分开,渠道不再显示工具策略开关

- GET /admin/plugins 后端仍平铺返回(契约不变), 前端 Plugins.tsx 按 kind 分组渲染
- 工具+技能: 保留「群聊/陌生人」环境授权开关(ToolPolicy, owner可编辑)+卸载; 渠道: 仅名称/描述/『见渠道管理页』, 无策略开关(渠道走自身配置)
- 渠道块文案tone=neutral, 工具技能accent; Miuix 原语复用

frontend/web/src/admin/modules/Plugins.tsx

@@ -1,4 +1,4 @@
-import { useState } from "react";
+import { useMemo, useState } from "react";
 import { useAsyncData } from "../../lib/useAsyncData";
 import { adminListPlugins, adminSetPluginPolicy, adminPluginUninstall, getStoredRole } from "../../lib/api";
 import type { AdminPluginRecord } from "../../lib/types";
@@ -8,7 +8,26 @@ import { AdminTable, Notice, PageHeader, type AdminColumn } from "../components"
 import { Button, Surface, Switch, Tag } from "../../components/primitives";
 import { InstalledPluginsPanel } from "./plugins/InstalledPlugins";
 
-/** Columns for the registered-capability table (GET /admin/plugins). */
+type CapKind = "tool" | "skill" | "channel";
+
+const KIND_LABELS: Record<CapKind, string> = {
+  tool: "工具 Tool",
+  skill: "技能 Skill",
+  channel: "渠道 Channel",
+};
+
+// Channel adapters are not gated by the tool policy (group/stranger markers are a
+// tool concept; a channel is configured via its own 渠道管理 page), so the
+// channel block shows identity + a pointer rather than the policy switches.
+function channelColumns(): AdminColumn<AdminPluginRecord>[] {
+  return [
+    { key: "name", title: "名称", render: (p) => <span className="font-medium">{p.name}</span> },
+    { key: "desc", title: "描述", render: (p) => <span className="block max-w-md truncate text-[var(--mu-text-mid)]">{p.description || "—"}</span> },
+    { key: "admin", title: "配置", render: () => <span className="text-xs text-[var(--mu-text-lo)]">渠道配置见「渠道管理」页</span> },
+  ];
+}
+
+/** Columns for a tool / skill row (has environment markers, owner can edit). */
 function registeredColumns(
   isOwner: boolean,
   busy: string | null,
@@ -17,7 +36,7 @@ function registeredColumns(
 ): AdminColumn<AdminPluginRecord>[] {
   return [
     { key: "name", title: "名称", render: (p) => <span className="font-medium">{p.name}</span> },
-    { key: "kind", title: "类型", render: (p) => <Tag tone="accent">{p.kind}</Tag> },
+    { key: "kind", title: "类型", render: (p) => <Tag tone="accent">{(KIND_LABELS as Record<string, string>)[p.kind] ?? p.kind}</Tag> },
     { key: "desc", title: "描述", render: (p) => <span className="block max-w-sm truncate text-[var(--mu-text-mid)]">{p.description || "—"}</span> },
     {
       key: "policy",
@@ -97,13 +116,23 @@ export function PluginsModule(): React.ReactNode {
       .finally(() => setBusy(null));
   };
 
-  const columns = registeredColumns(isOwner, busy, setPolicy, uninstall);
+  const byKind = useMemo(() => {
+    const groups: Record<CapKind, AdminPluginRecord[]> = { tool: [], skill: [], channel: [] };
+    for (const cap of data ?? []) {
+      const k = cap.kind as CapKind;
+      if (groups[k]) groups[k].push(cap);
+    }
+    return groups;
+  }, [data]);
+
+  const toolSkillColumns = registeredColumns(isOwner, busy, setPolicy, uninstall);
+  const channelCols = channelColumns();
 
   return (
     <div className="space-y-5">
       <PageHeader
         title="插件与能力"
-        subtitle="GET /api/v1/admin/plugins · 已注册能力 + 运行时 MCP 安装/卸载 · POST /api/v1/admin/plugins/policy (owner-only)"
+        subtitle="已注册能力（按工具 / 技能 / 渠道分组）+ 运行时 MCP 安装/卸载 · POST /api/v1/admin/plugins/policy (owner-only)"
       />
 
       {!isOwner ? <Notice tone="warn">当前角色为 {getStoredRole()}，工具策略/插件安装仅 owner 可写（读取/查看可见）。</Notice> : null}
@@ -112,22 +141,49 @@ export function PluginsModule(): React.ReactNode {
 
       <InstalledPluginsPanel />
 
-      <Surface className="space-y-2">
+      <Surface className="space-y-3">
         <div className="flex flex-wrap items-center gap-2">
           <h3 className="text-sm font-semibold">已注册能力</h3>
-          <span className="text-xs text-[var(--mu-text-lo)]">GET /api/v1/admin/plugins</span>
+          <span className="text-xs text-[var(--mu-text-lo)]">GET /api/v1/admin/plugins · 按工具 / 技能 / 渠道分组</span>
+        </div>
+
+        {(["tool", "skill"] as CapKind[]).map((kind) => {
+          const rows = byKind[kind];
+          return (
+            <div key={kind} className="space-y-1.5">
+              <div className="flex items-center gap-2 pt-1">
+                <Tag tone="accent">{KIND_LABELS[kind]}</Tag>
+                <span className="text-xs text-[var(--mu-text-lo)]">{rows.length} 个</span>
+              </div>
+              <AdminTable
+                columns={toolSkillColumns}
+                rows={loading ? null : rows}
+                loading={loading}
+                error={error}
+                emptyTitle={`无${KIND_LABELS[kind]}`}
+                rowKey={(p) => `${kind}:${p.name}`}
+              />
+            </div>
+          );
+        })}
+
+        <div className="space-y-1.5">
+          <div className="flex items-center gap-2 pt-1">
+            <Tag tone="neutral">{KIND_LABELS.channel}</Tag>
+            <span className="text-xs text-[var(--mu-text-lo)]">{byKind.channel.length} 个</span>
+          </div>
+          <AdminTable
+            columns={channelCols}
+            rows={loading ? null : byKind.channel}
+            loading={loading}
+            error={error}
+            emptyTitle="无渠道"
+            rowKey={(p) => `channel:${p.name}`}
+          />
         </div>
-        <AdminTable
-          columns={columns}
-          rows={loading ? null : data}
-          loading={loading}
-          error={error}
-          emptyTitle="无插件数据"
-          rowKey={(p) => p.name}
-        />
       </Surface>
 
-      <Notice>工具 schema / 技能为后端 M10+ 提供；此页展示已注册能力及其环境可见性标记（群聊 / 陌生人默认关闭）。</Notice>
+      <Notice>工具 schema / 技能为后端 M10+ 提供；此页按类型分组展示已注册能力。群聊/陌生人环境可见性标记（默认关闭）仅对工具/技能生效。</Notice>
     </div>
   );
 }