diff --git a/sundynix-desktop/frontend/src/App.tsx b/sundynix-desktop/frontend/src/App.tsx
index df6c76b..c5eaf4e 100644
--- a/sundynix-desktop/frontend/src/App.tsx
+++ b/sundynix-desktop/frontend/src/App.tsx
@@ -124,7 +124,7 @@ export default function App() {
           {view === "home" ? (
             <Home onSelect={setView} />
           ) : view === "studio" ? (
-            <StudioView onRun={onRun} phase={run.phase} />
+            <StudioView onRun={onRun} phase={run.phase} identity={identity} />
           ) : view === "kb" ? (
             <KbView identity={identity} />
           ) : view === "report" ? (
diff --git a/sundynix-desktop/frontend/src/lib/api.ts b/sundynix-desktop/frontend/src/lib/api.ts
index 909ffbe..e8ca819 100644
--- a/sundynix-desktop/frontend/src/lib/api.ts
+++ b/sundynix-desktop/frontend/src/lib/api.ts
@@ -126,6 +126,17 @@ export interface VaultDoc {
   content: string;
 }
 
+// listChatModels: GET /api/v1/admin/models?kind=chat —— 已登记的对话模型名（供编排 Agent 节点选择）。
+export async function listChatModels(): Promise<string[]> {
+  try {
+    const res = await fetch(`${GATEWAY}/api/v1/admin/models?kind=chat`);
+    const data = (await res.json()) as { models?: Array<{ model: string }> };
+    return (data.models ?? []).map((m) => m.model);
+  } catch {
+    return [];
+  }
+}
+
 // listVault: GET /api/v1/kb/vault —— 某知识库的原始文档（Obsidian 式文库浏览）。
 export async function listVault(id: Identity, kb: string): Promise<VaultDoc[]> {
   const res = await fetch(`${GATEWAY}/api/v1/kb/vault?kb=${encodeURIComponent(kb)}`, { headers: idHeaders(id) });
diff --git a/sundynix-desktop/frontend/src/studio/Inspector.tsx b/sundynix-desktop/frontend/src/studio/Inspector.tsx
index fc5df2e..2763279 100644
--- a/sundynix-desktop/frontend/src/studio/Inspector.tsx
+++ b/sundynix-desktop/frontend/src/studio/Inspector.tsx
@@ -9,10 +9,12 @@ export function Inspector({
   node,
   onChange,
   onDelete,
+  dynamicOptions,
 }: {
   node: Node | null;
   onChange: (id: string, patch: Record<string, unknown>) => void;
   onDelete: (id: string) => void;
+  dynamicOptions?: Record<string, string[]>; // 运行时选项（如 kb=真实知识库、model=已登记模型）
 }) {
   if (!node) {
     return (
@@ -48,11 +50,18 @@ export function Inspector({
               {f.label}
               {f.required && <span className="text-rose-400"> *</span>}
               {f.type === "select" ? (
-                <select className={inputCls} value={String(v ?? "")} onChange={(e) => setConfig(f.key, e.target.value)}>
-                  {f.options?.map((o) => (
-                    <option key={o}>{o}</option>
-                  ))}
-                </select>
+                (() => {
+                  const dyn = dynamicOptions?.[f.key];
+                  const opts = dyn && dyn.length ? dyn : f.options ?? [];
+                  return (
+                    <select className={inputCls} value={String(v ?? "")} onChange={(e) => setConfig(f.key, e.target.value)}>
+                      {dyn && dyn.length === 0 && <option value="">（无，先到知识库/控制台创建）</option>}
+                      {opts.map((o) => (
+                        <option key={o}>{o}</option>
+                      ))}
+                    </select>
+                  );
+                })()
               ) : f.type === "textarea" ? (
                 <textarea
                   className={`${inputCls} h-16 resize-none`}
diff --git a/sundynix-desktop/frontend/src/studio/StudioView.tsx b/sundynix-desktop/frontend/src/studio/StudioView.tsx
index 942bd7c..6a16da0 100644
--- a/sundynix-desktop/frontend/src/studio/StudioView.tsx
+++ b/sundynix-desktop/frontend/src/studio/StudioView.tsx
@@ -13,28 +13,73 @@ import {
 } from "@xyflow/react";
 import "@xyflow/react/dist/style.css";
 
-import { Play, ShieldCheck } from "lucide-react";
+import { Play, ShieldCheck, Sparkles, Trash2, Save, FolderOpen } from "lucide-react";
 import { nodeTypes, type NodeStatus } from "./TypedNode";
 import { Inspector } from "./Inspector";
 import { NODE_KINDS, NODE_ORDER } from "./nodeCatalog";
 import { exportDsl, validate, type Issue, type TaskDsl } from "../lib/dsl";
 import type { RunPhase } from "../lib/run";
-import { Button } from "../ui";
+import { listKb, listChatModels, type Identity } from "../lib/api";
+import { Button, Input, useToast } from "../ui";
 
 let seq = 0;
 
-// 编排 Studio：左节点面板 · 中画布 · 右检查器 · 顶工具栏。
-export function StudioView({
-  onRun,
-  phase,
-}: {
-  onRun: (dsl: TaskDsl) => void;
-  phase: RunPhase;
-}) {
+interface Template {
+  name: string;
+  nodes: Node[];
+  edges: Edge[];
+}
+const TPL_KEY = "sundynix.studio.templates";
+function loadTpls(): Template[] {
+  try {
+    return JSON.parse(localStorage.getItem(TPL_KEY) || "[]");
+  } catch {
+    return [];
+  }
+}
+
+// buildExample：一张可直接运行的示例图（输入 → 检索本人 default 库 → Agent → 输出）。
+function buildExample(): { nodes: Node[]; edges: Edge[] } {
+  const mk = (id: string, kind: string, x: number, cfg: Record<string, unknown>): Node => ({
+    id,
+    type: "typed",
+    position: { x, y: 140 },
+    data: { kind, label: NODE_KINDS[kind].label, config: { ...NODE_KINDS[kind].defaults, ...cfg }, status: "idle" as NodeStatus },
+  });
+  return {
+    nodes: [
+      mk("ex-in", "input", 40, { text: "sundynix-agentix 的架构是怎样的？" }),
+      mk("ex-rag", "retriever", 300, { kb: "default", topK: 4 }),
+      mk("ex-agent", "agent", 560, { system: "你是知识库问答助手，依据检索到的资料严谨作答。" }),
+      mk("ex-out", "output", 820, {}),
+    ],
+    edges: [
+      { id: "ex-e1", source: "ex-in", target: "ex-rag" },
+      { id: "ex-e2", source: "ex-rag", target: "ex-agent" },
+      { id: "ex-e3", source: "ex-agent", target: "ex-out" },
+    ],
+  };
+}
+
+// 编排 Studio：左节点面板 · 中画布 · 右检查器 · 顶工具栏（运行/校验/模板）。
+export function StudioView({ onRun, phase, identity }: { onRun: (dsl: TaskDsl) => void; phase: RunPhase; identity: Identity }) {
+  const toast = useToast();
   const [nodes, setNodes, onNodesChange] = useNodesState<Node>([]);
   const [edges, setEdges, onEdgesChange] = useEdgesState<Edge>([]);
   const [selId, setSelId] = useState<string | null>(null);
   const [issues, setIssues] = useState<Issue[] | null>(null);
+  const [kbOpts, setKbOpts] = useState<string[]>([]);
+  const [modelOpts, setModelOpts] = useState<string[]>([]);
+  const [tplName, setTplName] = useState("");
+  const [tpls, setTpls] = useState<Template[]>(loadTpls());
+
+  // 载入真实知识库 / 对话模型作为节点下拉选项。
+  useEffect(() => {
+    listKb(identity).then((ks) => setKbOpts(ks.map((k) => k.name))).catch(() => {});
+    listChatModels().then(setModelOpts).catch(() => {});
+  }, [identity]);
+
+  const dynamicOptions = useMemo(() => ({ kb: kbOpts, model: modelOpts }), [kbOpts, modelOpts]);
 
   const onConnect = useCallback((c: Connection) => setEdges((es) => addEdge(c, es)), [setEdges]);
 
@@ -70,16 +115,48 @@ export function StudioView({
     [setNodes, setEdges],
   );
 
-  // 运行状态映射到节点徽标：流式中全部 running，完成 done，空闲清除。
+  const loadGraph = useCallback(
+    (g: { nodes: Node[]; edges: Edge[] }) => {
+      setNodes(g.nodes.map((n) => ({ ...n, data: { ...n.data, status: "idle" as NodeStatus } })));
+      setEdges(g.edges);
+      setSelId(null);
+      setIssues(null);
+      // 让自增 id 越过已载入节点，避免碰撞。
+      for (const n of g.nodes) {
+        const m = /^n(\d+)$/.exec(n.id);
+        if (m) seq = Math.max(seq, Number(m[1]));
+      }
+    },
+    [setNodes, setEdges],
+  );
+
+  const clear = () => {
+    setNodes([]);
+    setEdges([]);
+    setSelId(null);
+    setIssues(null);
+  };
+
+  const saveTpl = () => {
+    const name = tplName.trim();
+    if (!name) {
+      toast.push("error", "先填模板名");
+      return;
+    }
+    if (nodes.length === 0) {
+      toast.push("error", "画布为空");
+      return;
+    }
+    const next = [...tpls.filter((t) => t.name !== name), { name, nodes, edges }];
+    setTpls(next);
+    localStorage.setItem(TPL_KEY, JSON.stringify(next));
+    toast.push("success", `已保存模板「${name}」`);
+  };
+
+  // 运行状态映射到节点徽标。
   useEffect(() => {
     const status: NodeStatus =
-      phase === "streaming" || phase === "submitting"
-        ? "running"
-        : phase === "done"
-          ? "done"
-          : phase === "error"
-            ? "error"
-            : "idle";
+      phase === "streaming" || phase === "submitting" ? "running" : phase === "done" ? "done" : phase === "error" ? "error" : "idle";
     setNodes((ns) => ns.map((n) => ({ ...n, data: { ...n.data, status } })));
   }, [phase, setNodes]);
 
@@ -114,23 +191,54 @@ export function StudioView({
 
       {/* 中画布 */}
       <div className="relative flex-1 bg-ink-950">
-        <div className="absolute left-0 right-0 top-0 z-10 flex items-center gap-2 border-b border-line bg-ink-900/90 px-2 py-1.5 backdrop-blur">
+        <div className="absolute left-0 right-0 top-0 z-10 flex flex-wrap items-center gap-1.5 border-b border-line bg-ink-900/90 px-2 py-1.5 backdrop-blur">
           <Button variant="primary" size="sm" icon={Play} onClick={run} disabled={running || nodes.length === 0}>
             {running ? "运行中…" : "运行"}
           </Button>
           <Button size="sm" icon={ShieldCheck} onClick={() => setIssues(validate(nodes, edges))}>
             校验
           </Button>
-          <span className="ml-1 text-[11px] text-slate-500">
+          <span className="mx-1 h-4 w-px bg-line" />
+          <Button size="sm" icon={Sparkles} onClick={() => loadGraph(buildExample())}>
+            示例
+          </Button>
+          <Button size="sm" icon={Trash2} onClick={clear} disabled={nodes.length === 0}>
+            清空
+          </Button>
+          <span className="mx-1 h-4 w-px bg-line" />
+          <Input className="h-8 w-28" value={tplName} onChange={(e) => setTplName(e.target.value)} placeholder="模板名" />
+          <Button size="sm" icon={Save} onClick={saveTpl}>
+            保存
+          </Button>
+          {tpls.length > 0 && (
+            <div className="relative">
+              <select
+                className="h-8 rounded-md border border-line bg-ink-800 px-2 pr-6 text-xs text-slate-300 focus:border-brand focus:outline-none"
+                value=""
+                onChange={(e) => {
+                  const t = tpls.find((x) => x.name === e.target.value);
+                  if (t) {
+                    loadGraph(t);
+                    setTplName(t.name);
+                  }
+                }}
+              >
+                <option value="">载入模板…</option>
+                {tpls.map((t) => (
+                  <option key={t.name} value={t.name}>
+                    {t.name}
+                  </option>
+                ))}
+              </select>
+              <FolderOpen className="pointer-events-none absolute right-1.5 top-1/2 h-3.5 w-3.5 -translate-y-1/2 text-slate-500" />
+            </div>
+          )}
+          <span className="ml-auto text-[11px] text-slate-500">
             {nodes.length} 节点 · {edges.length} 连线
           </span>
           {issues && (
-            <span className="ml-auto text-[11px]">
-              {issues.length === 0 ? (
-                <span className="text-success">✓ 校验通过</span>
-              ) : (
-                <span className="text-warn">{issues.length} 项提示</span>
-              )}
+            <span className="text-[11px]">
+              {issues.length === 0 ? <span className="text-success">✓ 校验通过</span> : <span className="text-warn">{issues.length} 项提示</span>}
             </span>
           )}
         </div>
@@ -145,6 +253,7 @@ export function StudioView({
           onConnect={onConnect}
           onNodeClick={(_, n) => setSelId(n.id)}
           onPaneClick={() => setSelId(null)}
+          deleteKeyCode={["Backspace", "Delete"]}
           fitView
         >
           <Background color="#242b3c" gap={18} />
@@ -165,7 +274,7 @@ export function StudioView({
 
       {/* 右检查器 */}
       <div className="w-72 shrink-0 border-l border-line bg-ink-900">
-        <Inspector node={selected} onChange={patchNode} onDelete={deleteNode} />
+        <Inspector node={selected} onChange={patchNode} onDelete={deleteNode} dynamicOptions={dynamicOptions} />
       </div>
     </div>
   );
diff --git a/sundynix-dispatcher/internal/eino/compile.go b/sundynix-dispatcher/internal/eino/compile.go
index 289f314..01ea957 100644
--- a/sundynix-dispatcher/internal/eino/compile.go
+++ b/sundynix-dispatcher/internal/eino/compile.go
@@ -69,7 +69,8 @@ func (o *Orchestrator) compileFlow(ctx context.Context, t *contract.Task, tr *ex
 			}
 			key := fmt.Sprintf("tool_%d", idx)
 			idx++
-			if err := g.AddLambdaNode(key, compose.InvokableLambda(o.makeToolNode(t.ID, tool, args, tr))); err != nil {
+			uid, _ := t.Meta[contract.MetaUserID].(string)
+			if err := g.AddLambdaNode(key, compose.InvokableLambda(o.makeToolNode(t.ID, tool, args, tr, uid))); err != nil {
 				return nil, err
 			}
 			if err := g.AddEdge(prev, key); err != nil {
@@ -111,7 +112,8 @@ func (o *Orchestrator) compileFlow(ctx context.Context, t *contract.Task, tr *ex
 }
 
 // makeToolNode 返回一个真实调用 MCP 工具的图节点：把结果增补进黑板，失败降级不阻断。
-func (o *Orchestrator) makeToolNode(taskID, tool string, args map[string]any, tr *execTracer) func(context.Context, *RunCtx) (*RunCtx, error) {
+// uid 非空时把检索类工具的 kb 锁进 owner 作用域（"uid/kb"），使编排检索命中本人知识库。
+func (o *Orchestrator) makeToolNode(taskID, tool string, args map[string]any, tr *execTracer, uid string) func(context.Context, *RunCtx) (*RunCtx, error) {
 	node := "tool:" + tool
 	return func(ctx context.Context, rc *RunCtx) (*RunCtx, error) {
 		if o.tools == nil {
@@ -126,6 +128,12 @@ func (o *Orchestrator) makeToolNode(taskID, tool string, args map[string]any, tr
 		if call["q"] == nil && call["query"] == nil {
 			call["q"] = rc.Query
 		}
+		// 检索类工具的 kb 按 owner 作用域，对齐知识库隔离（前端只发库名）。
+		if uid != "" {
+			if kbv, ok := call["kb"].(string); ok && kbv != "" && !strings.Contains(kbv, "/") {
+				call["kb"] = uid + "/" + kbv
+			}
+		}
 		end := tr.span(node, "tool", "调用工具 "+tool)
 		cctx, cancel := context.WithTimeout(ctx, toolCallTimeout)
 		defer cancel()