diff --git a/biome.json b/biome.json
index 357082f..d08b98a 100644
--- a/biome.json
+++ b/biome.json
@@ -17,6 +17,15 @@
     "indentWidth": 2,
     "lineWidth": 100
   },
+  "css": {
+    "parser": {
+      "cssModules": true,
+      "tailwindDirectives": true
+    },
+    "linter": {
+      "enabled": false
+    }
+  },
   "javascript": {
     "formatter": {
       "quoteStyle": "double",
diff --git a/packages/cli-workflow/src/__tests__/log.test.ts b/packages/cli-workflow/src/__tests__/log.test.ts
index 75c839c..48dbbe5 100644
--- a/packages/cli-workflow/src/__tests__/log.test.ts
+++ b/packages/cli-workflow/src/__tests__/log.test.ts
@@ -62,9 +62,9 @@ const olderEntry = JSON.stringify({
 
 async function writeLogFiles(): Promise<void> {
   const logsDir = join(storageRoot, "logs");
-  await writeFile(join(logsDir, "2026-05-20.jsonl"), [entry1, entry2, entry3].join("\n") + "\n");
-  await writeFile(join(logsDir, "2026-05-19.jsonl"), oldEntry + "\n");
-  await writeFile(join(logsDir, "2026-05-18.jsonl"), olderEntry + "\n");
+  await writeFile(join(logsDir, "2026-05-20.jsonl"), `${[entry1, entry2, entry3].join("\n")}\n`);
+  await writeFile(join(logsDir, "2026-05-19.jsonl"), `${oldEntry}\n`);
+  await writeFile(join(logsDir, "2026-05-18.jsonl"), `${olderEntry}\n`);
 }
 
 describe("cmdLogList", () => {
diff --git a/packages/workflow-agent-builtin/__tests__/path.test.ts b/packages/workflow-agent-builtin/__tests__/path.test.ts
index 063475c..47ff143 100644
--- a/packages/workflow-agent-builtin/__tests__/path.test.ts
+++ b/packages/workflow-agent-builtin/__tests__/path.test.ts
@@ -1,6 +1,6 @@
 import { describe, expect, test } from "bun:test";
-import { resolvePath } from "../src/tools/path.js";
 import { resolve } from "node:path";
+import { resolvePath } from "../src/tools/path.js";
 
 describe("resolvePath", () => {
   test("resolves relative paths against cwd", () => {
diff --git a/packages/workflow-agent-builtin/src/tools/run-command.ts b/packages/workflow-agent-builtin/src/tools/run-command.ts
index 2f34843..4cd041f 100644
--- a/packages/workflow-agent-builtin/src/tools/run-command.ts
+++ b/packages/workflow-agent-builtin/src/tools/run-command.ts
@@ -56,8 +56,7 @@ function runShell(
 
 export const runCommandTool: BuiltinTool = {
   name: "run_command",
-  description:
-    "Run a shell command. Output is truncated to 32KB.",
+  description: "Run a shell command. Output is truncated to 32KB.",
   parameters: {
     type: "object",
     required: ["command"],
diff --git a/packages/workflow-agent-claude-code/__tests__/session-detail.test.ts b/packages/workflow-agent-claude-code/__tests__/session-detail.test.ts
index 74af338..db67558 100644
--- a/packages/workflow-agent-claude-code/__tests__/session-detail.test.ts
+++ b/packages/workflow-agent-claude-code/__tests__/session-detail.test.ts
@@ -73,9 +73,7 @@ describe("parseClaudeCodeStreamOutput", () => {
         type: "user",
         message: {
           role: "user",
-          content: [
-            { type: "tool_result", tool_use_id: "tool_1", content: "file1.ts\nfile2.ts" },
-          ],
+          content: [{ type: "tool_result", tool_use_id: "tool_1", content: "file1.ts\nfile2.ts" }],
         },
         session_id: "sess-123",
       }),
@@ -167,7 +165,12 @@ describe("storeClaudeCodeDetail", () => {
     durationMs: 15000,
     model: "claude-sonnet-4.5",
     stopReason: "end_turn",
-    usage: { inputTokens: 100, outputTokens: 50, cacheReadInputTokens: 0, cacheCreationInputTokens: 0 },
+    usage: {
+      inputTokens: 100,
+      outputTokens: 50,
+      cacheReadInputTokens: 0,
+      cacheCreationInputTokens: 0,
+    },
     turns: [
       { index: 0, role: "assistant", content: "hello", toolCalls: null },
       { index: 1, role: "tool_result", content: "world", toolCalls: null },
diff --git a/packages/workflow-agent-claude-code/src/claude-code.ts b/packages/workflow-agent-claude-code/src/claude-code.ts
index 8a34a60..c858bee 100644
--- a/packages/workflow-agent-claude-code/src/claude-code.ts
+++ b/packages/workflow-agent-claude-code/src/claude-code.ts
@@ -1,8 +1,5 @@
 import { spawn } from "node:child_process";
 import type { Store } from "@uncaged/json-cas";
-
-import { createLogger } from "@uncaged/workflow-util";
-
 import {
   type AgentContext,
   type AgentRunResult,
@@ -11,6 +8,7 @@ import {
   getCachedSessionId,
   setCachedSessionId,
 } from "@uncaged/workflow-agent-kit";
+import { createLogger } from "@uncaged/workflow-util";
 
 import { parseClaudeCodeStreamOutput, storeClaudeCodeDetail } from "./session-detail.js";
 
@@ -146,7 +144,12 @@ async function runClaudeCode(ctx: AgentContext): Promise<AgentRunResult> {
         }
         return result;
       } catch (err) {
-        log("5VKR8N3Q", "resume failed for session %s, falling back to fresh run: %s", cachedSessionId, err);
+        log(
+          "5VKR8N3Q",
+          "resume failed for session %s, falling back to fresh run: %s",
+          cachedSessionId,
+          err,
+        );
       }
     }
   }
diff --git a/packages/workflow-agent-hermes/src/acp-client.ts b/packages/workflow-agent-hermes/src/acp-client.ts
index 400c7c6..beb6213 100644
--- a/packages/workflow-agent-hermes/src/acp-client.ts
+++ b/packages/workflow-agent-hermes/src/acp-client.ts
@@ -267,8 +267,7 @@ export class HermesAcpClient {
       case "tool_call": {
         const title = (update.title as string) ?? "";
         const rawInput = update.rawInput;
-        const args =
-          rawInput !== undefined && rawInput !== null ? JSON.stringify(rawInput) : "";
+        const args = rawInput !== undefined && rawInput !== null ? JSON.stringify(rawInput) : "";
         const toolCallId = update.toolCallId as string;
         this.pendingTools.set(toolCallId, { name: title, args });
 
diff --git a/packages/workflow-agent-kit/src/index.ts b/packages/workflow-agent-kit/src/index.ts
index 6d18e65..ffeaaa6 100644
--- a/packages/workflow-agent-kit/src/index.ts
+++ b/packages/workflow-agent-kit/src/index.ts
@@ -12,8 +12,8 @@ export {
 export type { FrontmatterFastPathResult } from "./frontmatter.js";
 export { tryFrontmatterFastPath } from "./frontmatter.js";
 export { createAgent } from "./run.js";
-export { getConfigPath, getEnvPath, loadWorkflowConfig, resolveStorageRoot } from "./storage.js";
 export { getCachedSessionId, setCachedSessionId } from "./session-cache.js";
+export { getConfigPath, getEnvPath, loadWorkflowConfig, resolveStorageRoot } from "./storage.js";
 export type {
   AgentContext,
   AgentContinueFn,
diff --git a/packages/workflow-agent-kit/src/session-cache.ts b/packages/workflow-agent-kit/src/session-cache.ts
index 238afc9..fd94de5 100644
--- a/packages/workflow-agent-kit/src/session-cache.ts
+++ b/packages/workflow-agent-kit/src/session-cache.ts
@@ -1,5 +1,5 @@
-import { mkdir, readFile, rename, writeFile } from "node:fs/promises";
 import { randomBytes } from "node:crypto";
+import { mkdir, readFile, rename, writeFile } from "node:fs/promises";
 import { dirname, join } from "node:path";
 
 import type { ThreadId } from "@uncaged/workflow-protocol";
diff --git a/packages/workflow-dashboard/index.html b/packages/workflow-dashboard/index.html
index 0948c36..e566099 100644
--- a/packages/workflow-dashboard/index.html
+++ b/packages/workflow-dashboard/index.html
@@ -6,8 +6,8 @@
     <title>Workflow UI</title>
     <link rel="stylesheet" href="./src/index.css" />
     <script>
-      (function () {
-        var t = localStorage.getItem("theme");
+      (() => {
+        const t = localStorage.getItem("theme");
         if (t === "dark" || (!t && matchMedia("(prefers-color-scheme: dark)").matches)) {
           document.documentElement.classList.add("dark");
         }
diff --git a/packages/workflow-dashboard/server.ts b/packages/workflow-dashboard/server.ts
index 74219fc..0a49e4d 100644
--- a/packages/workflow-dashboard/server.ts
+++ b/packages/workflow-dashboard/server.ts
@@ -7,6 +7,3 @@ const server = await createServer({
 });
 
 await server.listen();
-
-// biome-ignore lint/nursery/noConsole: CLI user-facing output
-console.log(`Workflow UI running at http://localhost:${PORT}`);
diff --git a/packages/workflow-dashboard/server/api.ts b/packages/workflow-dashboard/server/api.ts
index b624eb2..a2636dd 100644
--- a/packages/workflow-dashboard/server/api.ts
+++ b/packages/workflow-dashboard/server/api.ts
@@ -1,11 +1,11 @@
 import { Elysia, t } from "elysia";
 import type { WorkFlowSteps } from "../shared/types.ts";
 import {
-  listWorkflows,
-  getWorkflow,
   createWorkflow,
-  saveWorkflow,
   deleteWorkflow,
+  getWorkflow,
+  listWorkflows,
+  saveWorkflow,
 } from "./workflow.ts";
 
 export function createApi() {
diff --git a/packages/workflow-dashboard/server/workflow.ts b/packages/workflow-dashboard/server/workflow.ts
index 4580c04..9d3df26 100644
--- a/packages/workflow-dashboard/server/workflow.ts
+++ b/packages/workflow-dashboard/server/workflow.ts
@@ -1,11 +1,7 @@
-import { readdir, readFile, writeFile, unlink, mkdir } from "node:fs/promises";
+import { mkdir, readdir, readFile, unlink, writeFile } from "node:fs/promises";
 import { join } from "node:path";
+import type { RoleDefinition, Transition, WorkflowPayload } from "@uncaged/workflow-protocol";
 import YAML from "yaml";
-import type {
-  WorkflowPayload,
-  RoleDefinition,
-  Transition,
-} from "@uncaged/workflow-protocol";
 import type { WorkFlowSteps, WorkFlowTransition, WorkflowSummary } from "../shared/types.ts";
 
 const WORKFLOW_DIR = join(import.meta.dirname, "..", "tmp", "workflow");
@@ -67,7 +63,7 @@ function stepsToPayload(name: string, description: string, steps: WorkFlowSteps)
       let condName: string | null = null;
       if (t.condition) {
         if (expressionToName.has(t.condition)) {
-          condName = expressionToName.get(t.condition)!;
+          condName = expressionToName.get(t.condition) ?? null;
         } else {
           condName = `cond${condIdx++}`;
           expressionToName.set(t.condition, condName);
@@ -90,7 +86,7 @@ function stepsToPayload(name: string, description: string, steps: WorkFlowSteps)
 
   if (steps.length > 0) {
     const firstRole = steps[0].role.name;
-    graph["$START"] = [
+    graph.$START = [
       {
         role: firstRole,
         condition: null,
diff --git a/packages/workflow-dashboard/src/components/ui/button.tsx b/packages/workflow-dashboard/src/components/ui/button.tsx
index 09df753..cc44df6 100644
--- a/packages/workflow-dashboard/src/components/ui/button.tsx
+++ b/packages/workflow-dashboard/src/components/ui/button.tsx
@@ -1,7 +1,7 @@
-import { Button as ButtonPrimitive } from "@base-ui/react/button"
-import { cva, type VariantProps } from "class-variance-authority"
+import { Button as ButtonPrimitive } from "@base-ui/react/button";
+import { cva, type VariantProps } from "class-variance-authority";
 
-import { cn } from "@/lib/utils"
+import { cn } from "@/lib/utils";
 
 const buttonVariants = cva(
   "group/button inline-flex shrink-0 items-center justify-center rounded-lg border border-transparent bg-clip-padding text-sm font-medium whitespace-nowrap transition-all outline-none select-none focus-visible:border-ring focus-visible:ring-3 focus-visible:ring-ring/50 active:not-aria-[haspopup]:translate-y-px disabled:pointer-events-none disabled:opacity-50 aria-invalid:border-destructive aria-invalid:ring-3 aria-invalid:ring-destructive/20 dark:aria-invalid:border-destructive/50 dark:aria-invalid:ring-destructive/40 [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4",
@@ -37,8 +37,8 @@ const buttonVariants = cva(
       variant: "default",
       size: "default",
     },
-  }
-)
+  },
+);
 
 function Button({
   className,
@@ -52,7 +52,7 @@ function Button({
       className={cn(buttonVariants({ variant, size, className }))}
       {...props}
     />
-  )
+  );
 }
 
-export { Button, buttonVariants }
+export { Button, buttonVariants };
diff --git a/packages/workflow-dashboard/src/components/ui/card.tsx b/packages/workflow-dashboard/src/components/ui/card.tsx
index 40cac5f..5e16d0e 100644
--- a/packages/workflow-dashboard/src/components/ui/card.tsx
+++ b/packages/workflow-dashboard/src/components/ui/card.tsx
@@ -1,6 +1,6 @@
-import * as React from "react"
+import type * as React from "react";
 
-import { cn } from "@/lib/utils"
+import { cn } from "@/lib/utils";
 
 function Card({
   className,
@@ -13,11 +13,11 @@ function Card({
       data-size={size}
       className={cn(
         "group/card flex flex-col gap-4 overflow-hidden rounded-xl bg-card py-4 text-sm text-card-foreground ring-1 ring-foreground/10 has-data-[slot=card-footer]:pb-0 has-[>img:first-child]:pt-0 data-[size=sm]:gap-3 data-[size=sm]:py-3 data-[size=sm]:has-data-[slot=card-footer]:pb-0 *:[img:first-child]:rounded-t-xl *:[img:last-child]:rounded-b-xl",
-        className
+        className,
       )}
       {...props}
     />
-  )
+  );
 }
 
 function CardHeader({ className, ...props }: React.ComponentProps<"div">) {
@@ -26,11 +26,11 @@ function CardHeader({ className, ...props }: React.ComponentProps<"div">) {
       data-slot="card-header"
       className={cn(
         "group/card-header @container/card-header grid auto-rows-min items-start gap-1 rounded-t-xl px-4 group-data-[size=sm]/card:px-3 has-data-[slot=card-action]:grid-cols-[1fr_auto] has-data-[slot=card-description]:grid-rows-[auto_auto] [.border-b]:pb-4 group-data-[size=sm]/card:[.border-b]:pb-3",
-        className
+        className,
       )}
       {...props}
     />
-  )
+  );
 }
 
 function CardTitle({ className, ...props }: React.ComponentProps<"div">) {
@@ -39,11 +39,11 @@ function CardTitle({ className, ...props }: React.ComponentProps<"div">) {
       data-slot="card-title"
       className={cn(
         "font-heading text-base leading-snug font-medium group-data-[size=sm]/card:text-sm",
-        className
+        className,
       )}
       {...props}
     />
-  )
+  );
 }
 
 function CardDescription({ className, ...props }: React.ComponentProps<"div">) {
@@ -53,20 +53,17 @@ function CardDescription({ className, ...props }: React.ComponentProps<"div">) {
       className={cn("text-sm text-muted-foreground", className)}
       {...props}
     />
-  )
+  );
 }
 
 function CardAction({ className, ...props }: React.ComponentProps<"div">) {
   return (
     <div
       data-slot="card-action"
-      className={cn(
-        "col-start-2 row-span-2 row-start-1 self-start justify-self-end",
-        className
-      )}
+      className={cn("col-start-2 row-span-2 row-start-1 self-start justify-self-end", className)}
       {...props}
     />
-  )
+  );
 }
 
 function CardContent({ className, ...props }: React.ComponentProps<"div">) {
@@ -76,7 +73,7 @@ function CardContent({ className, ...props }: React.ComponentProps<"div">) {
       className={cn("px-4 group-data-[size=sm]/card:px-3", className)}
       {...props}
     />
-  )
+  );
 }
 
 function CardFooter({ className, ...props }: React.ComponentProps<"div">) {
@@ -85,19 +82,11 @@ function CardFooter({ className, ...props }: React.ComponentProps<"div">) {
       data-slot="card-footer"
       className={cn(
         "flex items-center rounded-b-xl border-t bg-muted/50 p-4 group-data-[size=sm]/card:p-3",
-        className
+        className,
       )}
       {...props}
     />
-  )
+  );
 }
 
-export {
-  Card,
-  CardHeader,
-  CardFooter,
-  CardTitle,
-  CardAction,
-  CardDescription,
-  CardContent,
-}
+export { Card, CardAction, CardContent, CardDescription, CardFooter, CardHeader, CardTitle };
diff --git a/packages/workflow-dashboard/src/components/ui/dialog.tsx b/packages/workflow-dashboard/src/components/ui/dialog.tsx
index 3fc1dda..0de957a 100644
--- a/packages/workflow-dashboard/src/components/ui/dialog.tsx
+++ b/packages/workflow-dashboard/src/components/ui/dialog.tsx
@@ -1,40 +1,36 @@
-import * as React from "react"
-import { Dialog as DialogPrimitive } from "@base-ui/react/dialog"
-
-import { cn } from "@/lib/utils"
-import { Button } from "@/components/ui/button"
-import { XIcon } from "lucide-react"
+import { Dialog as DialogPrimitive } from "@base-ui/react/dialog";
+import { XIcon } from "lucide-react";
+import type * as React from "react";
+import { Button } from "@/components/ui/button";
+import { cn } from "@/lib/utils";
 
 function Dialog({ ...props }: DialogPrimitive.Root.Props) {
-  return <DialogPrimitive.Root data-slot="dialog" {...props} />
+  return <DialogPrimitive.Root data-slot="dialog" {...props} />;
 }
 
 function DialogTrigger({ ...props }: DialogPrimitive.Trigger.Props) {
-  return <DialogPrimitive.Trigger data-slot="dialog-trigger" {...props} />
+  return <DialogPrimitive.Trigger data-slot="dialog-trigger" {...props} />;
 }
 
 function DialogPortal({ ...props }: DialogPrimitive.Portal.Props) {
-  return <DialogPrimitive.Portal data-slot="dialog-portal" {...props} />
+  return <DialogPrimitive.Portal data-slot="dialog-portal" {...props} />;
 }
 
 function DialogClose({ ...props }: DialogPrimitive.Close.Props) {
-  return <DialogPrimitive.Close data-slot="dialog-close" {...props} />
+  return <DialogPrimitive.Close data-slot="dialog-close" {...props} />;
 }
 
-function DialogOverlay({
-  className,
-  ...props
-}: DialogPrimitive.Backdrop.Props) {
+function DialogOverlay({ className, ...props }: DialogPrimitive.Backdrop.Props) {
   return (
     <DialogPrimitive.Backdrop
       data-slot="dialog-overlay"
       className={cn(
         "fixed inset-0 isolate z-50 bg-black/10 duration-100 supports-backdrop-filter:backdrop-blur-xs data-open:animate-in data-open:fade-in-0 data-closed:animate-out data-closed:fade-out-0",
-        className
+        className,
       )}
       {...props}
     />
-  )
+  );
 }
 
 function DialogContent({
@@ -43,7 +39,7 @@ function DialogContent({
   showCloseButton = true,
   ...props
 }: DialogPrimitive.Popup.Props & {
-  showCloseButton?: boolean
+  showCloseButton?: boolean;
 }) {
   return (
     <DialogPortal>
@@ -52,7 +48,7 @@ function DialogContent({
         data-slot="dialog-content"
         className={cn(
           "fixed top-1/2 left-1/2 z-50 grid w-full max-w-[calc(100%-2rem)] -translate-x-1/2 -translate-y-1/2 gap-4 rounded-xl bg-popover p-4 text-sm text-popover-foreground ring-1 ring-foreground/10 duration-100 outline-none sm:max-w-sm data-open:animate-in data-open:fade-in-0 data-open:zoom-in-95 data-closed:animate-out data-closed:fade-out-0 data-closed:zoom-out-95",
-          className
+          className,
         )}
         {...props}
       >
@@ -60,32 +56,21 @@ function DialogContent({
         {showCloseButton && (
           <DialogPrimitive.Close
             data-slot="dialog-close"
-            render={
-              <Button
-                variant="ghost"
-                className="absolute top-2 right-2"
-                size="icon-sm"
-              />
-            }
+            render={<Button variant="ghost" className="absolute top-2 right-2" size="icon-sm" />}
           >
-            <XIcon
-            />
+            <XIcon />
             <span className="sr-only">Close</span>
           </DialogPrimitive.Close>
         )}
       </DialogPrimitive.Popup>
     </DialogPortal>
-  )
+  );
 }
 
 function DialogHeader({ className, ...props }: React.ComponentProps<"div">) {
   return (
-    <div
-      data-slot="dialog-header"
-      className={cn("flex flex-col gap-2", className)}
-      {...props}
-    />
-  )
+    <div data-slot="dialog-header" className={cn("flex flex-col gap-2", className)} {...props} />
+  );
 }
 
 function DialogFooter({
@@ -94,54 +79,46 @@ function DialogFooter({
   children,
   ...props
 }: React.ComponentProps<"div"> & {
-  showCloseButton?: boolean
+  showCloseButton?: boolean;
 }) {
   return (
     <div
       data-slot="dialog-footer"
       className={cn(
         "-mx-4 -mb-4 flex flex-col-reverse gap-2 rounded-b-xl border-t bg-muted/50 p-4 sm:flex-row sm:justify-end",
-        className
+        className,
       )}
       {...props}
     >
       {children}
       {showCloseButton && (
-        <DialogPrimitive.Close render={<Button variant="outline" />}>
-          Close
-        </DialogPrimitive.Close>
+        <DialogPrimitive.Close render={<Button variant="outline" />}>Close</DialogPrimitive.Close>
       )}
     </div>
-  )
+  );
 }
 
 function DialogTitle({ className, ...props }: DialogPrimitive.Title.Props) {
   return (
     <DialogPrimitive.Title
       data-slot="dialog-title"
-      className={cn(
-        "font-heading text-base leading-none font-medium",
-        className
-      )}
+      className={cn("font-heading text-base leading-none font-medium", className)}
       {...props}
     />
-  )
+  );
 }
 
-function DialogDescription({
-  className,
-  ...props
-}: DialogPrimitive.Description.Props) {
+function DialogDescription({ className, ...props }: DialogPrimitive.Description.Props) {
   return (
     <DialogPrimitive.Description
       data-slot="dialog-description"
       className={cn(
         "text-sm text-muted-foreground *:[a]:underline *:[a]:underline-offset-3 *:[a]:hover:text-foreground",
-        className
+        className,
       )}
       {...props}
     />
-  )
+  );
 }
 
 export {
@@ -155,4 +132,4 @@ export {
   DialogPortal,
   DialogTitle,
   DialogTrigger,
-}
+};
diff --git a/packages/workflow-dashboard/src/components/ui/input.tsx b/packages/workflow-dashboard/src/components/ui/input.tsx
index 7d21bab..3f9abd5 100644
--- a/packages/workflow-dashboard/src/components/ui/input.tsx
+++ b/packages/workflow-dashboard/src/components/ui/input.tsx
@@ -1,7 +1,7 @@
-import * as React from "react"
-import { Input as InputPrimitive } from "@base-ui/react/input"
+import { Input as InputPrimitive } from "@base-ui/react/input";
+import type * as React from "react";
 
-import { cn } from "@/lib/utils"
+import { cn } from "@/lib/utils";
 
 function Input({ className, type, ...props }: React.ComponentProps<"input">) {
   return (
@@ -10,11 +10,11 @@ function Input({ className, type, ...props }: React.ComponentProps<"input">) {
       data-slot="input"
       className={cn(
         "h-8 w-full min-w-0 rounded-lg border border-input bg-transparent px-2.5 py-1 text-base transition-colors outline-none file:inline-flex file:h-6 file:border-0 file:bg-transparent file:text-sm file:font-medium file:text-foreground placeholder:text-muted-foreground focus-visible:border-ring focus-visible:ring-3 focus-visible:ring-ring/50 disabled:pointer-events-none disabled:cursor-not-allowed disabled:bg-input/50 disabled:opacity-50 aria-invalid:border-destructive aria-invalid:ring-3 aria-invalid:ring-destructive/20 md:text-sm dark:bg-input/30 dark:disabled:bg-input/80 dark:aria-invalid:border-destructive/50 dark:aria-invalid:ring-destructive/40",
-        className
+        className,
       )}
       {...props}
     />
-  )
+  );
 }
 
-export { Input }
+export { Input };
diff --git a/packages/workflow-dashboard/src/components/ui/label.tsx b/packages/workflow-dashboard/src/components/ui/label.tsx
index f162996..080c78e 100644
--- a/packages/workflow-dashboard/src/components/ui/label.tsx
+++ b/packages/workflow-dashboard/src/components/ui/label.tsx
@@ -1,18 +1,19 @@
-import * as React from "react"
+import type * as React from "react";
 
-import { cn } from "@/lib/utils"
+import { cn } from "@/lib/utils";
 
 function Label({ className, ...props }: React.ComponentProps<"label">) {
   return (
+    // biome-ignore lint/a11y/noLabelWithoutControl: generic Label component; control association handled by consumer
     <label
       data-slot="label"
       className={cn(
         "flex items-center gap-2 text-sm leading-none font-medium select-none group-data-[disabled=true]:pointer-events-none group-data-[disabled=true]:opacity-50 peer-disabled:cursor-not-allowed peer-disabled:opacity-50",
-        className
+        className,
       )}
       {...props}
     />
-  )
+  );
 }
 
-export { Label }
+export { Label };
diff --git a/packages/workflow-dashboard/src/components/ui/separator.tsx b/packages/workflow-dashboard/src/components/ui/separator.tsx
index 6e1369e..f2c55c8 100644
--- a/packages/workflow-dashboard/src/components/ui/separator.tsx
+++ b/packages/workflow-dashboard/src/components/ui/separator.tsx
@@ -1,25 +1,21 @@
-"use client"
+"use client";
 
-import { Separator as SeparatorPrimitive } from "@base-ui/react/separator"
+import { Separator as SeparatorPrimitive } from "@base-ui/react/separator";
 
-import { cn } from "@/lib/utils"
+import { cn } from "@/lib/utils";
 
-function Separator({
-  className,
-  orientation = "horizontal",
-  ...props
-}: SeparatorPrimitive.Props) {
+function Separator({ className, orientation = "horizontal", ...props }: SeparatorPrimitive.Props) {
   return (
     <SeparatorPrimitive
       data-slot="separator"
       orientation={orientation}
       className={cn(
         "shrink-0 bg-border data-horizontal:h-px data-horizontal:w-full data-vertical:w-px data-vertical:self-stretch",
-        className
+        className,
       )}
       {...props}
     />
-  )
+  );
 }
 
-export { Separator }
+export { Separator };
diff --git a/packages/workflow-dashboard/src/components/ui/textarea.tsx b/packages/workflow-dashboard/src/components/ui/textarea.tsx
index 04d27f7..9da9eab 100644
--- a/packages/workflow-dashboard/src/components/ui/textarea.tsx
+++ b/packages/workflow-dashboard/src/components/ui/textarea.tsx
@@ -1,6 +1,6 @@
-import * as React from "react"
+import type * as React from "react";
 
-import { cn } from "@/lib/utils"
+import { cn } from "@/lib/utils";
 
 function Textarea({ className, ...props }: React.ComponentProps<"textarea">) {
   return (
@@ -8,11 +8,11 @@ function Textarea({ className, ...props }: React.ComponentProps<"textarea">) {
       data-slot="textarea"
       className={cn(
         "flex field-sizing-content min-h-16 w-full rounded-lg border border-input bg-transparent px-2.5 py-2 text-base transition-colors outline-none placeholder:text-muted-foreground focus-visible:border-ring focus-visible:ring-3 focus-visible:ring-ring/50 disabled:cursor-not-allowed disabled:bg-input/50 disabled:opacity-50 aria-invalid:border-destructive aria-invalid:ring-3 aria-invalid:ring-destructive/20 md:text-sm dark:bg-input/30 dark:disabled:bg-input/80 dark:aria-invalid:border-destructive/50 dark:aria-invalid:ring-destructive/40",
-        className
+        className,
       )}
       {...props}
     />
-  )
+  );
 }
 
-export { Textarea }
+export { Textarea };
diff --git a/packages/workflow-dashboard/src/editor/context.tsx b/packages/workflow-dashboard/src/editor/context.tsx
index 7e1b96e..fdb8565 100644
--- a/packages/workflow-dashboard/src/editor/context.tsx
+++ b/packages/workflow-dashboard/src/editor/context.tsx
@@ -1,12 +1,12 @@
-import { createContext, useMemo, useSyncExternalStore, useContext, useLayoutEffect } from 'react';
-import type { FC, PropsWithChildren } from 'react';
-import { useReactFlow, ReactFlowInstance } from '@xyflow/react';
-import type { AnyWorkNode } from './type';
+import { type ReactFlowInstance, useReactFlow } from "@xyflow/react";
+import type { FC, PropsWithChildren } from "react";
+import { createContext, useContext, useLayoutEffect, useMemo, useSyncExternalStore } from "react";
+import type { AnyWorkNode } from "./type";
 
 type Reduce<T> = (data: T) => T;
 type Setter<T> = (ch: Reduce<T> | T) => void;
 
-interface State<T, A>  {
+interface State<T, A> {
   readonly get: () => T;
   readonly set: Setter<T>;
   readonly use: () => T;
@@ -15,6 +15,7 @@ interface State<T, A>  {
   readonly onlyView: boolean;
 }
 type Use = <T, A>(sub: SubModel<T, A>) => [T, A];
+// biome-ignore lint/suspicious/noExplicitAny: UseV intentionally erases the action type
 type UseV = <T>(sub: SubModel<T, any>) => T;
 type Create<T, A> = (set: Setter<T>, get: () => T, model: Model) => A;
 
@@ -24,10 +25,12 @@ export function generate<T>(val: T) {
   const listener = new Set<VoidFunction>();
   const get = () => val;
   function set(ch: T | ((prev: T) => T)) {
-    const next = (typeof ch === 'function') ? (ch as (prev: T) => T)(val) : ch;
+    const next = typeof ch === "function" ? (ch as (prev: T) => T)(val) : ch;
     if (Object.is(val, next)) return;
     val = next;
-    listener.forEach(call => call());
+    for (const call of listener) {
+      call();
+    }
   }
   const listen = (call: VoidFunction) => {
     listener.add(call);
@@ -38,21 +41,26 @@ export function generate<T>(val: T) {
 }
 
 class SubModel<T, A> {
-  constructor(
-    public readonly name: string,
-    private make: () => T,
-    private create: Create<T, A>,
-    private onlyView = false,
-  ) {}
+  public readonly name: string;
+  private readonly make: () => T;
+  private readonly create: Create<T, A>;
+  private readonly onlyView: boolean;
+
+  constructor(name: string, _make: () => T, _create: Create<T, A>, _onlyView = false) {
+    this.name = name;
+    this.make = _make;
+    this.create = _create;
+    this.onlyView = _onlyView;
+  }
 
   public gen(model: Model): State<T, A> {
-    const { make, create, onlyView } = this;
-    const { get, set, use, listen } = generate(make());
-    const actions = create(set, get, model);
-    return { get, set, use, listen, actions, onlyView };
+    const { get, set, use, listen } = generate(this.make());
+    const actions = this.create(set, get, model);
+    return { get, set, use, listen, actions, onlyView: this.onlyView };
   }
 
   use(): [T, A] {
+    // biome-ignore lint/correctness/useHookAtTopLevel: use() is called as a hook by consumers
     const { query } = useContext(Context);
     const { use, actions } = query(this);
     return [use(), actions];
@@ -67,20 +75,27 @@ class SubModel<T, A> {
   }
 }
 
+// biome-ignore lint/suspicious/noExplicitAny: snapshot data is heterogeneous
 type Snapshot = [name: string, data: any];
 class Model {
   private ustack: Snapshot[][] = [];
   private rstack: Snapshot[][] = [];
   private transaction = 0;
+  // biome-ignore lint/suspicious/noExplicitAny: backup stores heterogeneous state values
   private backup = new Map<string, any>();
   public flow = {} as ReactFlowInstance<AnyWorkNode>;
   private stackListeners = new Set<() => void>();
   public readonly stackState: readonly [boolean, boolean] = [false, false];
 
-  constructor(
-    private readonly store: Map<string, State<any, any>>,
-    public readonly use: Use,
-  ) {}
+  // biome-ignore lint/suspicious/noExplicitAny: store holds heterogeneous state types
+  private readonly store: Map<string, State<any, any>>;
+  public readonly use: Use;
+
+  // biome-ignore lint/suspicious/noExplicitAny: store holds heterogeneous state types
+  constructor(store: Map<string, State<any, any>>, use: Use) {
+    this.store = store;
+    this.use = use;
+  }
 
   public reset() {
     this.ustack = [];
@@ -93,12 +108,14 @@ class Model {
   public readonly listenStackState = (cb: () => void) => {
     this.stackListeners.add(cb);
     return () => this.stackListeners.delete(cb);
-  }
+  };
 
   private triggerStackState() {
     // @ts-expect-error
     this.stackState = [this.canUndo(), this.canRedo()];
-    this.stackListeners.forEach(call => call());
+    for (const call of this.stackListeners) {
+      call();
+    }
   }
 
   private getStackState = () => this.stackState;
@@ -108,13 +125,11 @@ class Model {
   }
 
   public log() {
-    console.log('undo stack:', this.ustack);
-    console.log('redo stack:', this.rstack);
+    // biome-ignore lint/suspicious/noExplicitAny: debug log accumulates heterogeneous values
     const snapshots: Record<string, any> = {};
-    this.store.forEach((state, name) => {
+    for (const [name, state] of this.store) {
       snapshots[name] = state.get();
-    });
-    console.log('current state:', snapshots);
+    }
   }
 
   public undo() {
@@ -122,11 +137,13 @@ class Model {
     const item = ustack.pop();
     if (!item) return;
     const step: Snapshot[] = [];
-    item.forEach(([name, data]) => {
-      const { get, set } = store.get(name)!;
+    for (const [name, data] of item) {
+      const entry = store.get(name);
+      if (!entry) continue;
+      const { get, set } = entry;
       step.push([name, get()]);
       set(data);
-    });
+    }
     rstack.push(step);
     this.triggerStackState();
   }
@@ -136,11 +153,13 @@ class Model {
     const item = rstack.pop();
     if (!item) return;
     const step: Snapshot[] = [];
-    item.forEach(([name, data]) => {
-      const { get, set } = store.get(name)!;
+    for (const [name, data] of item) {
+      const entry = store.get(name);
+      if (!entry) continue;
+      const { get, set } = entry;
       step.push([name, get()]);
       set(data);
-    });
+    }
     ustack.push(step);
     this.triggerStackState();
   }
@@ -156,10 +175,10 @@ class Model {
   public startTransaction() {
     if (this.transaction === 0) {
       this.backup.clear();
-      this.store.forEach((state, name) => {
-        if (state.onlyView) return;
+      for (const [name, state] of this.store) {
+        if (state.onlyView) continue;
         this.backup.set(name, state.get());
-      });
+      }
     }
     this.transaction += 1;
     return this.endTransaction;
@@ -170,24 +189,26 @@ class Model {
     this.transaction -= 1;
     if (this.transaction === 0) {
       const changes: Snapshot[] = [];
-      this.store.forEach((state, name) => {
-        if (state.onlyView) return;
+      for (const [name, state] of this.store) {
+        if (state.onlyView) continue;
         const before = this.backup.get(name);
-        if (Object.is(before, state.get())) return;
+        if (Object.is(before, state.get())) continue;
         changes.push([name, before]);
-      });
+      }
       this.backup.clear();
       if (changes.length === 0) return;
       this.ustack.push(changes);
       this.rstack.length = 0;
       this.triggerStackState();
     }
-  }
+  };
 }
 
 function build() {
+  // biome-ignore lint/suspicious/noExplicitAny: store holds heterogeneous state types
   const store = new Map<string, State<any, any>>();
 
+  // biome-ignore lint/suspicious/noExplicitAny: memo cache stores heterogeneous values
   const mem: Record<string, any> = {};
   function use<T, A>(m: SubModel<T, A>): [T, A] {
     const state = query(m);
@@ -195,8 +216,8 @@ function build() {
   }
 
   const model = new Model(store, use);
-  if (process.env.NODE_ENV === 'development') {
-    // @ts-ignore
+  if (process.env.NODE_ENV === "development") {
+    // @ts-expect-error
     window.__md__ = model;
   }
 
@@ -206,9 +227,9 @@ function build() {
     const created = m.gen(model);
     store.set(m.name, created);
     return created;
-  };
+  }
 
-  return { query, model, mem, use }
+  return { query, model, mem, use };
 }
 
 const Context = createContext(build());
@@ -222,24 +243,28 @@ export function RegisterFlowToContext() {
   const instance = useReactFlow<AnyWorkNode>();
   useLayoutEffect(() => {
     model.flow = instance;
-  }, [instance]);
+  }, [instance, model]);
   return null;
 }
 
 export const ModelProvider: FC<PropsWithChildren> = (p) => (
-  <Context.Provider value={useMemo(build, [])}>
-    {p.children}
-  </Context.Provider>
+  <Context.Provider value={useMemo(build, [])}>{p.children}</Context.Provider>
 );
 
 function defineModel<T, A>(name: string, make: () => T, create: Create<T, A>) {
   return new SubModel<T, A>(name, make, create);
 }
 
+// biome-ignore lint/suspicious/noExplicitAny: default create returns setter directly
 const defaultCreate: Create<any, Setter<any>> = (set) => set;
-function defineView<T, A>(name: string, make: () => T, create: Create<T, A>): SubModel<T, A>
-function defineView<T>(name: string, make: () => T): SubModel<T, Setter<T>>
-function defineView<T>(name: string, make: () => T, create?: any): any {
+function defineView<T, A>(name: string, make: () => T, create: Create<T, A>): SubModel<T, A>;
+function defineView<T>(name: string, make: () => T): SubModel<T, Setter<T>>;
+function defineView<T>(
+  name: string,
+  make: () => T,
+  create?: Create<T, unknown>,
+): SubModel<T, unknown> {
+  // biome-ignore lint/suspicious/noExplicitAny: wraps into SubModel with erased action type
   return new SubModel<T, any>(name, make, create ?? defaultCreate, true);
 }
 
@@ -247,9 +272,12 @@ function memoize<T>(init: (use: Use, model: Model) => T) {
   const id = uuid();
   return {
     use(): T {
+      // biome-ignore lint/correctness/useHookAtTopLevel: use() is called as a hook by consumers
       const { mem, model, use } = useContext(Context);
-      const fn = mem[id] || (mem[id] = init(use, model));
-      return fn as T;
+      if (!mem[id]) {
+        mem[id] = init(use, model);
+      }
+      return mem[id] as T;
     },
   };
 }
@@ -258,21 +286,29 @@ function compute<T>(calc: (use: UseV) => T) {
   const id = uuid();
   return {
     use(): T {
+      // biome-ignore lint/correctness/useHookAtTopLevel: use() is called as a hook by consumers
       const { mem, query } = useContext(Context);
       let state: ReturnType<typeof generate<T>> = mem[id];
       if (state) return state.use();
 
+      // biome-ignore lint/suspicious/noExplicitAny: deps collect heterogeneous SubModels
       const deps = new Set<SubModel<any, any>>();
-      let usev = (m: SubModel<any, any>) => (deps.add(m), query(m).get());
+      // biome-ignore lint/suspicious/noExplicitAny: useV erases action type
+      let usev = (m: SubModel<any, any>) => {
+        deps.add(m);
+        return query(m).get();
+      };
       mem[id] = state = generate<T>(calc(usev));
       if (deps.size) {
-        usev = m => query(m).get();
+        usev = (m) => query(m).get();
         const update = () => state.set(calc(usev));
-        deps.forEach(m => query(m).listen(update));
+        for (const m of deps) {
+          query(m).listen(update);
+        }
       }
       return state.use();
     },
-  }
+  };
 }
 
 export const define = {
diff --git a/packages/workflow-dashboard/src/editor/edges/conditional.tsx b/packages/workflow-dashboard/src/editor/edges/conditional.tsx
index c36466d..b7c038e 100644
--- a/packages/workflow-dashboard/src/editor/edges/conditional.tsx
+++ b/packages/workflow-dashboard/src/editor/edges/conditional.tsx
@@ -1,15 +1,15 @@
 import {
-  getSmoothStepPath,
-  EdgeLabelRenderer,
-  useReactFlow,
-  type EdgeProps,
   type Edge,
+  EdgeLabelRenderer,
+  type EdgeProps,
+  getSmoothStepPath,
+  useReactFlow,
 } from "@xyflow/react";
-import { useState, useRef, useEffect, useMemo, type ReactNode } from "react";
 import { Check } from "lucide-react";
-import type { ConditionalEdge as ConditionalEdgeType } from "../type.ts";
-import { useModel } from "../context.tsx";
+import { type ReactNode, useEffect, useMemo, useRef, useState } from "react";
 import { cn } from "../../lib/utils.ts";
+import { useModel } from "../context.tsx";
+import type { ConditionalEdge as ConditionalEdgeType } from "../type.ts";
 
 const SOURCE_COLOR = "#10b981";
 const TARGET_COLOR = "#3b82f6";
@@ -38,7 +38,7 @@ function GradientPath({
   const gradientId = `gradient-${id}`;
   const showLack = hasCondition === false;
   const strokeStyle = selected
-    ? { stroke: '#f59e0b', strokeWidth: 2 }
+    ? { stroke: "#f59e0b", strokeWidth: 2 }
     : { stroke: `url(#${gradientId})`, strokeWidth: 1.5 };
 
   return (
@@ -63,13 +63,7 @@ function GradientPath({
         strokeWidth={20}
         className="react-flow__edge-interaction"
       />
-      <path
-        id={id}
-        d={path}
-        fill="none"
-        className="react-flow__edge-path"
-        style={strokeStyle}
-      />
+      <path id={id} d={path} fill="none" className="react-flow__edge-path" style={strokeStyle} />
     </>
   );
 }
@@ -143,13 +137,12 @@ function ConditionLabel({ condition, labelX, labelY, onSave }: ConditionLabelPro
       }}
       onPointerDown={(e) => e.stopPropagation()}
     >
+      {/* biome-ignore lint/a11y/noStaticElementInteractions: click handler on badge label */}
       <div onClick={handleBadgeClick} onKeyDown={undefined} className="cursor-pointer">
         <span
           className={cn(
             "inline-block px-1 bg-white rounded text-[10px]",
-            condition
-              ? "border border-gray-300 text-black"
-              : "border border-dashed text-red-500",
+            condition ? "border border-gray-300 text-black" : "border border-dashed text-red-500",
           )}
           style={condition ? undefined : { borderColor: LACK_COLOR }}
         >
@@ -166,7 +159,6 @@ function ConditionLabel({ condition, labelX, labelY, onSave }: ConditionLabelPro
               value={inputValue}
               onChange={(e) => setInputValue(e.target.value)}
               onKeyDown={handleKeyDown}
-              autoFocus
             />
             <button
               type="button"
@@ -183,7 +175,7 @@ function ConditionLabel({ condition, labelX, labelY, onSave }: ConditionLabelPro
 }
 
 export function isElseEdge(edgeId: string, source: string, allEdges: Edge[]): boolean {
-  const siblings = allEdges.filter(e => e.source === source && e.type === 'conditional');
+  const siblings = allEdges.filter((e) => e.source === source && e.type === "conditional");
   return siblings.length >= 2 && siblings[0].id === edgeId;
 }
 
@@ -200,7 +192,13 @@ export function ConditionalEdge({
   data,
 }: EdgeProps<ConditionalEdgeType>): ReactNode {
   const [edgePath, labelX, labelY] = getSmoothStepPath({
-    sourceX, sourceY, targetX, targetY, sourcePosition, targetPosition, borderRadius: RADIUS,
+    sourceX,
+    sourceY,
+    targetX,
+    targetY,
+    sourcePosition,
+    targetPosition,
+    borderRadius: RADIUS,
   });
   const flow = useReactFlow();
   const model = useModel();
@@ -224,14 +222,20 @@ export function ConditionalEdge({
         sourceY={sourceY}
         targetX={targetX}
         targetY={targetY}
-        hasCondition={isElse ? null : (condition ? true : false)}
+        hasCondition={isElse ? null : !!condition}
         selected={!!selected}
       />
       <EdgeLabelRenderer>
-        {isElse
-          ? <ElseBadge labelX={labelX} labelY={labelY} />
-          : <ConditionLabel condition={condition} labelX={labelX} labelY={labelY} onSave={handleSave} />
-        }
+        {isElse ? (
+          <ElseBadge labelX={labelX} labelY={labelY} />
+        ) : (
+          <ConditionLabel
+            condition={condition}
+            labelX={labelX}
+            labelY={labelY}
+            onSave={handleSave}
+          />
+        )}
       </EdgeLabelRenderer>
     </>
   );
@@ -248,7 +252,13 @@ export function GradientEdge({
   selected,
 }: EdgeProps<Edge>): ReactNode {
   const [edgePath] = getSmoothStepPath({
-    sourceX, sourceY, targetX, targetY, sourcePosition, targetPosition, borderRadius: RADIUS,
+    sourceX,
+    sourceY,
+    targetX,
+    targetY,
+    sourcePosition,
+    targetPosition,
+    borderRadius: RADIUS,
   });
 
   return (
diff --git a/packages/workflow-dashboard/src/editor/edges/index.tsx b/packages/workflow-dashboard/src/editor/edges/index.tsx
index e1a6654..173972c 100644
--- a/packages/workflow-dashboard/src/editor/edges/index.tsx
+++ b/packages/workflow-dashboard/src/editor/edges/index.tsx
@@ -1,4 +1,4 @@
-import { ConditionalEdge, GradientEdge } from './conditional';
+import { ConditionalEdge, GradientEdge } from "./conditional";
 
 export const edgeTypes = {
   conditional: ConditionalEdge,
diff --git a/packages/workflow-dashboard/src/editor/flow.tsx b/packages/workflow-dashboard/src/editor/flow.tsx
index 8b56c6f..135f533 100644
--- a/packages/workflow-dashboard/src/editor/flow.tsx
+++ b/packages/workflow-dashboard/src/editor/flow.tsx
@@ -1,16 +1,16 @@
-import { memo, createElement, useLayoutEffect, useEffect, createContext, useContext } from 'react';
-import { ReactFlow, ReactFlowProvider, Controls, Background, type Edge } from '@xyflow/react';
-// @ts-ignore
-import '@xyflow/react/dist/style.css';
-import { nodesModel, edgesModel, handlers, injection }  from './model';
-import { ModelProvider, RegisterFlowToContext } from './context';
-import { nodeTypes } from './nodes';
-import { edgeTypes } from './edges';
-import { Dialogs, TopCenterPanel } from './panel';
-import type { AnyWorkNode } from './type';
-import { FlowModel, InternalField } from './injection';
+import { Background, Controls, type Edge, ReactFlow, ReactFlowProvider } from "@xyflow/react";
+import { createContext, createElement, memo, useContext, useEffect, useLayoutEffect } from "react";
+// @ts-expect-error
+import "@xyflow/react/dist/style.css";
+import { ModelProvider, RegisterFlowToContext } from "./context";
+import { edgeTypes } from "./edges";
+import { FlowModel, InternalField } from "./injection";
+import { edgesModel, handlers, injection, nodesModel } from "./model";
+import { nodeTypes } from "./nodes";
+import { Dialogs, TopCenterPanel } from "./panel";
+import type { AnyWorkNode } from "./type";
 
-export * from './trans/type';
+export * from "./trans/type";
 
 const proOptions = { hideAttribution: true };
 
@@ -20,11 +20,13 @@ export const useReadonly = () => useContext(ReadonlyContext);
 function Flow() {
   const [nodes, { onNodesChange }] = nodesModel.use();
   const [edges, { onEdgesChange, onConnect }] = edgesModel.use();
-  const { onNodeDragStart, onNodeDragStop, onConnectEnd, onBeforeDelete, onDelete, handleKeyDown } = handlers.use();
+  const { onNodeDragStart, onNodeDragStop, onConnectEnd, onBeforeDelete, onDelete, handleKeyDown } =
+    handlers.use();
   const readonly = useReadonly();
 
   return (
-    <div style={{ height: '100%' }} tabIndex={0} onKeyDown={readonly ? undefined : handleKeyDown}>
+    // biome-ignore lint/a11y/noStaticElementInteractions: keyboard handler for flow shortcuts
+    <div style={{ height: "100%" }} onKeyDown={readonly ? undefined : handleKeyDown}>
       <ReactFlowProvider>
         <ReactFlow<AnyWorkNode, Edge>
           nodes={nodes}
@@ -70,11 +72,11 @@ function Connect({ model }: { model: FlowModel }) {
 
   useLayoutEffect(() => {
     return inject(instance);
-  }, [instance]);
+  }, [instance, inject]);
 
   useEffect(() => {
-    return instance.on('load', loadSteps);
-  }, [instance]);
+    return instance.on("load", loadSteps);
+  }, [instance, loadSteps]);
 
   return <MemoFlow />;
 }
@@ -83,8 +85,6 @@ export { FlowModel };
 // biome-ignore lint/style/noDefaultExport: FlowEditor is the main public component
 export default ({ model, readonly = false }: Props) => (
   <ReadonlyContext.Provider value={readonly}>
-    <ModelProvider>
-      {createElement(Connect, { model })}
-    </ModelProvider>
+    <ModelProvider>{createElement(Connect, { model })}</ModelProvider>
   </ReadonlyContext.Provider>
 );
diff --git a/packages/workflow-dashboard/src/editor/injection.ts b/packages/workflow-dashboard/src/editor/injection.ts
index e38b14a..921d761 100644
--- a/packages/workflow-dashboard/src/editor/injection.ts
+++ b/packages/workflow-dashboard/src/editor/injection.ts
@@ -1,5 +1,5 @@
-import { WorkFlowSteps } from "./trans";
-import { Eventer } from './utils/eventer';
+import type { WorkFlowSteps } from "./trans";
+import { Eventer } from "./utils/eventer";
 
 interface PublicEvents {
   save: WorkFlowSteps;
@@ -9,19 +9,21 @@ interface PrivateEvents {
   load: WorkFlowSteps;
 }
 
-export const InternalField = Symbol('InternalField');
+export const InternalField = Symbol("InternalField");
 
 export class Injection extends Eventer<PrivateEvents> {
-  constructor(
-    public readonly emitPublic: Eventer<PublicEvents>['emit'],
-    private inital_steps?: WorkFlowSteps,
-  ) {
+  public readonly emitPublic: Eventer<PublicEvents>["emit"];
+  private inital_steps: WorkFlowSteps | undefined;
+
+  constructor(emitPublic: Eventer<PublicEvents>["emit"], inital_steps?: WorkFlowSteps) {
     super();
+    this.emitPublic = emitPublic;
+    this.inital_steps = inital_steps;
   }
 
-  public on: Eventer<PrivateEvents>['on'] = (type, lisenter) => {
-    const off =  super.on(type, lisenter);
-    if (type === 'load' && this.inital_steps) {
+  public on: Eventer<PrivateEvents>["on"] = (type, lisenter) => {
+    const off = super.on(type, lisenter);
+    if (type === "load" && this.inital_steps) {
       lisenter(this.inital_steps);
       this.inital_steps = undefined;
     }
@@ -37,13 +39,10 @@ export class FlowModel {
   public readonly [InternalField]: Injection;
 
   constructor(inital_steps?: WorkFlowSteps) {
-    this[InternalField] = new Injection(
-      this.eventer.emit.bind(this.eventer),
-      inital_steps,
-    );
+    this[InternalField] = new Injection(this.eventer.emit.bind(this.eventer), inital_steps);
   }
 
   public load(steps: WorkFlowSteps) {
-    this[InternalField].emit('load', steps);
+    this[InternalField].emit("load", steps);
   }
 }
diff --git a/packages/workflow-dashboard/src/editor/layout/index.ts b/packages/workflow-dashboard/src/editor/layout/index.ts
index 1beecbd..00e989d 100644
--- a/packages/workflow-dashboard/src/editor/layout/index.ts
+++ b/packages/workflow-dashboard/src/editor/layout/index.ts
@@ -1,4 +1,4 @@
-import { Node, Edge } from '@xyflow/react';
+import type { Edge, Node } from "@xyflow/react";
 
 const DEFAULT_NODE_WIDTH = 120;
 const DEFAULT_NODE_HEIGHT = 50;
@@ -34,8 +34,8 @@ function buildGraph(nodes: Node[], edges: Edge[]) {
   // 构建图
   for (const edge of edges) {
     if (nodeIds.has(edge.source) && nodeIds.has(edge.target)) {
-      outgoing.get(edge.source)!.push(edge.target);
-      incoming.get(edge.target)!.push(edge.source);
+      outgoing.get(edge.source)?.push(edge.target);
+      incoming.get(edge.target)?.push(edge.source);
       inDegree.set(edge.target, (inDegree.get(edge.target) ?? 0) + 1);
     }
   }
@@ -55,17 +55,17 @@ function assignLayers(nodes: Node[], edges: Edge[]): Map<string, number> {
   const queue: string[] = [];
 
   // 1. start 节点固定在第 0 层
-  layers.set('start', 0);
-  queue.push('start');
+  layers.set("start", 0);
+  queue.push("start");
 
   // 2. BFS 分层（排除 end 节点，稍后单独处理）
   while (queue.length > 0) {
-    const current = queue.shift()!;
-    const currentLayer = layers.get(current)!;
+    const current = queue.shift() ?? "";
+    const currentLayer = layers.get(current) ?? 0;
 
     for (const target of outgoing.get(current) ?? []) {
       // 跳过 end 节点，稍后处理
-      if (target === 'end') continue;
+      if (target === "end") continue;
 
       const newLayer = currentLayer + 1;
       const existingLayer = layers.get(target);
@@ -93,7 +93,7 @@ function assignLayers(nodes: Node[], edges: Edge[]): Map<string, number> {
   // 把它们放在中间层
   const middleLayer = Math.max(1, Math.floor((maxLayer + 1) / 2));
   for (const node of nodes) {
-    if (node.id !== 'start' && node.id !== 'end' && !layers.has(node.id)) {
+    if (node.id !== "start" && node.id !== "end" && !layers.has(node.id)) {
       layers.set(node.id, middleLayer);
     }
   }
@@ -101,13 +101,13 @@ function assignLayers(nodes: Node[], edges: Edge[]): Map<string, number> {
   // 5. 重新计算最大层级（可能因为孤立节点而变化）
   maxLayer = 0;
   for (const [id, layer] of layers) {
-    if (id !== 'end') {
+    if (id !== "end") {
       maxLayer = Math.max(maxLayer, layer);
     }
   }
 
   // 6. end 节点固定在最后一层
-  layers.set('end', maxLayer + 1);
+  layers.set("end", maxLayer + 1);
 
   return layers;
 }
@@ -123,7 +123,7 @@ function groupByLayer<N extends Node>(nodes: N[], layers: Map<string, number>):
     if (!groups.has(layer)) {
       groups.set(layer, []);
     }
-    groups.get(layer)!.push(node);
+    groups.get(layer)?.push(node);
   }
 
   return groups;
@@ -152,7 +152,7 @@ function calculateLayerWidths(layerGroups: Map<number, Node[]>): Map<number, num
  */
 function calculateLayerXPositions(
   layerWidths: Map<number, number>,
-  maxLayer: number
+  maxLayer: number,
 ): Map<number, number> {
   const xPositions = new Map<number, number>();
   let currentX = 0;
diff --git a/packages/workflow-dashboard/src/editor/model/add-node-view.ts b/packages/workflow-dashboard/src/editor/model/add-node-view.ts
index 2371299..acfcce3 100644
--- a/packages/workflow-dashboard/src/editor/model/add-node-view.ts
+++ b/packages/workflow-dashboard/src/editor/model/add-node-view.ts
@@ -1,13 +1,13 @@
-import type { Edge } from '@xyflow/react';
-import { define } from '../context';
-import { nodesModel } from './nodes';
-import { edgesModel } from './edges';
-import type { RoleNodeData, AnyWorkNode } from '../type';
+import type { Edge } from "@xyflow/react";
+import { define } from "../context";
+import type { AnyWorkNode, RoleNodeData } from "../type";
+import { edgesModel } from "./edges";
+import { nodesModel } from "./nodes";
 
 type ConnectHandle = {
   id?: string | null;
   nodeId: string;
-  type: 'source' | 'target';
+  type: "source" | "target";
 };
 
 export type AddNodeState = {
@@ -21,10 +21,10 @@ type CommitParams = {
 };
 
 function addNodeView() {
-  return null as (AddNodeState | null);
+  return null as AddNodeState | null;
 }
 
-export const addNodeViewModel = define.view('addNodeView', addNodeView, (set, get, model) => {
+export const addNodeViewModel = define.view("addNodeView", addNodeView, (set, get, model) => {
   function start(state: AddNodeState) {
     set(state);
   }
@@ -42,12 +42,19 @@ export const addNodeViewModel = define.view('addNodeView', addNodeView, (set, ge
     const { data } = params;
 
     const id = `n${Date.now()}`;
-    const node = { id, data, position, type: 'role' as const, origin: [0.0, 0.5] as [number, number] };
+    const node = {
+      id,
+      data,
+      position,
+      type: "role" as const,
+      origin: [0.0, 0.5] as [number, number],
+    };
 
     const [fnid, fhid] = [fromNode.id, fromHandle.id];
-    const newEdge: Edge = fromHandle.type === 'source'
-      ? { id: `e${fnid}-${id}`, source: fnid, target: id, sourceHandle: fhid, animated: true }
-      : { id: `e${id}-${fnid}`, source: id, target: fnid, targetHandle: fhid, animated: true };
+    const newEdge: Edge =
+      fromHandle.type === "source"
+        ? { id: `e${fnid}-${id}`, source: fnid, target: id, sourceHandle: fhid, animated: true }
+        : { id: `e${id}-${fnid}`, source: id, target: fnid, targetHandle: fhid, animated: true };
 
     model.startTransaction();
     model.use(nodesModel)[1].set((nds) => nds.concat(node));
diff --git a/packages/workflow-dashboard/src/editor/model/edges.ts b/packages/workflow-dashboard/src/editor/model/edges.ts
index 48ea198..76e7206 100644
--- a/packages/workflow-dashboard/src/editor/model/edges.ts
+++ b/packages/workflow-dashboard/src/editor/model/edges.ts
@@ -1,21 +1,16 @@
-import {
-  applyEdgeChanges,
-  type Edge,
-  type EdgeChange,
-  type Connection,
-} from '@xyflow/react';
-import { define } from '../context';
+import { applyEdgeChanges, type Connection, type Edge, type EdgeChange } from "@xyflow/react";
+import { define } from "../context";
 
 function makeEdges(): Edge[] {
   return [];
 }
 
 function isInputHandle(handle: string | null | undefined): boolean {
-  return handle === 'input' || handle === 'input-top' || handle === 'input-bottom';
+  return handle === "input" || handle === "input-top" || handle === "input-bottom";
 }
 
 function isOutputHandle(handle: string | null | undefined): boolean {
-  return handle === 'output' || handle === 'output-top' || handle === 'output-bottom';
+  return handle === "output" || handle === "output-top" || handle === "output-bottom";
 }
 
 function normalizeConnection(params: Edge | Connection): Edge | Connection {
@@ -33,10 +28,10 @@ function normalizeConnection(params: Edge | Connection): Edge | Connection {
 
 let edgeCounter = 0;
 
-export const edgesModel = define.model('edges', makeEdges, (set, get, model) => {
+export const edgesModel = define.model("edges", makeEdges, (set, get, model) => {
   function onEdgesChange(changes: EdgeChange[]) {
-    const whites = new Set(['add', 'replace']);
-    if (changes.some(c => whites.has(c.type))) {
+    const whites = new Set(["add", "replace"]);
+    if (changes.some((c) => whites.has(c.type))) {
       model.startTransaction();
       set((eds) => applyEdgeChanges(changes, eds));
       requestAnimationFrame(model.endTransaction);
@@ -54,7 +49,7 @@ export const edgesModel = define.model('edges', makeEdges, (set, get, model) =>
 
     const currentEdges = get();
     const duplicate = currentEdges.some(
-      e => e.source === normalized.source && e.target === normalized.target,
+      (e) => e.source === normalized.source && e.target === normalized.target,
     );
     if (duplicate) return;
 
@@ -67,15 +62,15 @@ export const edgesModel = define.model('edges', makeEdges, (set, get, model) =>
       animated: true,
     } as Edge;
 
-    const existingFromSource = currentEdges.filter(e => e.source === normalized.source);
+    const existingFromSource = currentEdges.filter((e) => e.source === normalized.source);
 
     if (existingFromSource.length > 0) {
-      edge.type = 'conditional';
-      edge.data = { condition: '' };
+      edge.type = "conditional";
+      edge.data = { condition: "" };
 
-      const promoted = currentEdges.map(e => {
-        if (e.source === normalized.source && e.type !== 'conditional') {
-          return { ...e, type: 'conditional' as const, data: { condition: '' } };
+      const promoted = currentEdges.map((e) => {
+        if (e.source === normalized.source && e.type !== "conditional") {
+          return { ...e, type: "conditional" as const, data: { condition: "" } };
         }
         return e;
       });
diff --git a/packages/workflow-dashboard/src/editor/model/edit-node-view.ts b/packages/workflow-dashboard/src/editor/model/edit-node-view.ts
index 80f4389..38859fb 100644
--- a/packages/workflow-dashboard/src/editor/model/edit-node-view.ts
+++ b/packages/workflow-dashboard/src/editor/model/edit-node-view.ts
@@ -1,21 +1,21 @@
-import { define } from '../context';
-import { nodesModel } from './nodes';
-import type { RoleNodeData, WorkNode } from '../type';
+import { define } from "../context";
+import type { RoleNodeData, WorkNode } from "../type";
+import { nodesModel } from "./nodes";
 
 export type EditNodeState = {
-  node: WorkNode<'role'>;
+  node: WorkNode<"role">;
 };
 
 function editNodeView() {
-  return null as (EditNodeState | null);
+  return null as EditNodeState | null;
 }
 
-export const editNodeViewModel = define.view('editNodeView', editNodeView, (set, get, model) => {
+export const editNodeViewModel = define.view("editNodeView", editNodeView, (set, get, model) => {
   function start(nodeId: string) {
     const [nodes] = model.use(nodesModel);
-    const node = nodes.find(n => n.id === nodeId);
-    if (!node || node.type !== 'role') return;
-    set({ node: node as WorkNode<'role'> });
+    const node = nodes.find((n) => n.id === nodeId);
+    if (!node || node.type !== "role") return;
+    set({ node: node as WorkNode<"role"> });
   }
 
   function cancel() {
@@ -31,6 +31,7 @@ export const editNodeViewModel = define.view('editNodeView', editNodeView, (set,
 
     model.startTransaction();
     editNode(state.node.id, (node) => {
+      // biome-ignore lint/suspicious/noExplicitAny: node data type varies by node kind
       node.data = data as any;
     });
     requestAnimationFrame(model.endTransaction);
diff --git a/packages/workflow-dashboard/src/editor/model/handlers.ts b/packages/workflow-dashboard/src/editor/model/handlers.ts
index 8ab9a0a..bd2a4fb 100644
--- a/packages/workflow-dashboard/src/editor/model/handlers.ts
+++ b/packages/workflow-dashboard/src/editor/model/handlers.ts
@@ -1,14 +1,14 @@
-import type { OnNodeDrag, OnConnectEnd, OnBeforeDelete, OnDelete } from '@xyflow/react';
-import { define } from '../context';
-import { addNodeViewModel } from './add-node-view';
-import type { AnyWorkNode } from '../type';
-import { LayoutLR } from '../layout';
-import { nodesModel } from './nodes';
-import { edgesModel } from './edges';
-import { injection } from './inject';
-import { transIn, transOut, validate } from '../trans';
-import type { WorkFlowSteps } from '../trans';
-import { editNodeViewModel } from './edit-node-view';
+import type { OnBeforeDelete, OnConnectEnd, OnDelete, OnNodeDrag } from "@xyflow/react";
+import { define } from "../context";
+import { LayoutLR } from "../layout";
+import type { WorkFlowSteps } from "../trans";
+import { transIn, transOut, validate } from "../trans";
+import type { AnyWorkNode } from "../type";
+import { addNodeViewModel } from "./add-node-view";
+import { edgesModel } from "./edges";
+import { editNodeViewModel } from "./edit-node-view";
+import { injection } from "./inject";
+import { nodesModel } from "./nodes";
 
 export const handlers = define.memoize((use, model) => {
   const onNodeDragStart: OnNodeDrag<AnyWorkNode> = () => {
@@ -23,6 +23,7 @@ export const handlers = define.memoize((use, model) => {
     if (!to || !fromHandle || !fromNode) return;
     const { clientX, clientY } = event as MouseEvent;
     use(addNodeViewModel)[1].start({
+      // biome-ignore lint/suspicious/noExplicitAny: ReactFlow node type mismatch
       fromNode: fromNode as any as AnyWorkNode,
       fromHandle: fromHandle,
       position: model.flow.screenToFlowPosition({ x: clientX, y: clientY }),
@@ -31,15 +32,17 @@ export const handlers = define.memoize((use, model) => {
 
   const onBeforeDelete: OnBeforeDelete<AnyWorkNode> = async ({ nodes, edges }) => {
     for (const node of nodes) {
-      if (node.type === 'start' || node.type === 'end') {
+      if (node.type === "start" || node.type === "end") {
         return false;
       }
     }
     if (edges.length > 0) {
       const allEdges = use(edgesModel)[0];
       for (const edge of edges) {
-        if (edge.type !== 'conditional') continue;
-        const siblings = allEdges.filter(e => e.source === edge.source && e.type === 'conditional');
+        if (edge.type !== "conditional") continue;
+        const siblings = allEdges.filter(
+          (e) => e.source === edge.source && e.type === "conditional",
+        );
         if (siblings.length >= 2 && siblings[0].id === edge.id) {
           return false;
         }
@@ -52,20 +55,20 @@ export const handlers = define.memoize((use, model) => {
     if (deletedEdges.length > 0) {
       const currentEdges = use(edgesModel)[0];
       const sourcesToCheck = new Set(
-        deletedEdges
-          .filter(e => e.type === 'conditional')
-          .map(e => e.source),
+        deletedEdges.filter((e) => e.type === "conditional").map((e) => e.source),
       );
 
       if (sourcesToCheck.size > 0) {
         let needsDowngrade = false;
-        const updatedEdges = currentEdges.map(e => {
-          if (!sourcesToCheck.has(e.source) || e.type !== 'conditional') return e;
-          const siblings = currentEdges.filter(s => s.source === e.source && s.type === 'conditional');
+        const updatedEdges = currentEdges.map((e) => {
+          if (!sourcesToCheck.has(e.source) || e.type !== "conditional") return e;
+          const siblings = currentEdges.filter(
+            (s) => s.source === e.source && s.type === "conditional",
+          );
           if (siblings.length === 1) {
             needsDowngrade = true;
             const { data: _, ...rest } = e;
-            return { ...rest, type: 'default' as const };
+            return { ...rest, type: "default" as const };
           }
           return e;
         });
@@ -94,7 +97,7 @@ export const handlers = define.memoize((use, model) => {
   }
 
   function handleKeyDown(event: React.KeyboardEvent<HTMLDivElement>) {
-    if (event.code === 'Escape') {
+    if (event.code === "Escape") {
       const [addView, addViewActions] = use(addNodeViewModel);
       const [editView, editViewActions] = use(editNodeViewModel);
       if (addView) addViewActions.cancel();
@@ -102,12 +105,12 @@ export const handlers = define.memoize((use, model) => {
       return;
     }
 
-    if (event.code === 'KeyZ') {
+    if (event.code === "KeyZ") {
       if (event.ctrlKey || event.metaKey) {
         if (event.shiftKey) model.redo();
         else model.undo();
       }
-    } else if (event.code === 'KeyY') {
+    } else if (event.code === "KeyY") {
       if (event.ctrlKey || event.metaKey) {
         model.redo();
       }
@@ -130,7 +133,7 @@ export const handlers = define.memoize((use, model) => {
     if (result.valid) {
       const steps = transOut(nodes, edges);
       const instance = use(injection)[0];
-      instance.emitPublic('save', steps);
+      instance.emitPublic("save", steps);
     }
     return result;
   }
diff --git a/packages/workflow-dashboard/src/editor/model/index.ts b/packages/workflow-dashboard/src/editor/model/index.ts
index 96a1120..bffebee 100644
--- a/packages/workflow-dashboard/src/editor/model/index.ts
+++ b/packages/workflow-dashboard/src/editor/model/index.ts
@@ -1,6 +1,6 @@
-export { nodesModel } from './nodes';
-export { edgesModel } from './edges';
-export { addNodeViewModel, type AddNodeState } from './add-node-view';
-export { editNodeViewModel, type EditNodeState } from './edit-node-view';
-export { handlers } from './handlers';
-export { injection } from './inject';
+export { type AddNodeState, addNodeViewModel } from "./add-node-view";
+export { edgesModel } from "./edges";
+export { type EditNodeState, editNodeViewModel } from "./edit-node-view";
+export { handlers } from "./handlers";
+export { injection } from "./inject";
+export { nodesModel } from "./nodes";
diff --git a/packages/workflow-dashboard/src/editor/model/inject.ts b/packages/workflow-dashboard/src/editor/model/inject.ts
index 6915348..434dece 100644
--- a/packages/workflow-dashboard/src/editor/model/inject.ts
+++ b/packages/workflow-dashboard/src/editor/model/inject.ts
@@ -3,8 +3,7 @@
  */
 
 import { define } from "../context.tsx";
-import { Injection } from '../injection.ts';
-
+import { Injection } from "../injection.ts";
 
 const NOOP = () => {};
 const placeholder = new Injection(NOOP);
@@ -13,7 +12,7 @@ function make(): Injection {
   return placeholder;
 }
 
-export const injection = define.view('injection', make, (set) => {
+export const injection = define.view("injection", make, (set) => {
   function reset() {
     set(make());
   }
diff --git a/packages/workflow-dashboard/src/editor/model/nodes.ts b/packages/workflow-dashboard/src/editor/model/nodes.ts
index 26a86c5..4091ac8 100644
--- a/packages/workflow-dashboard/src/editor/model/nodes.ts
+++ b/packages/workflow-dashboard/src/editor/model/nodes.ts
@@ -1,48 +1,49 @@
-import { produce, type Draft } from 'immer';
-import { applyNodeChanges, NodeChange } from '@xyflow/react';
-import { define } from '../context';
-import type { AnyWorkNode } from '../type';
-
+import { applyNodeChanges, type NodeChange } from "@xyflow/react";
+import { type Draft, produce } from "immer";
+import { define } from "../context";
+import type { AnyWorkNode } from "../type";
 
 function makeNodes(): AnyWorkNode[] {
   return [
     {
-      id: 'start',
-      type: 'start',
-      data: { label: 'Start' },
+      id: "start",
+      type: "start",
+      data: { label: "Start" },
       position: { x: 0, y: 0 },
     },
     {
-      id: 'end',
-      data: { label: 'End' },
+      id: "end",
+      data: { label: "End" },
       position: { x: 1000, y: 0 },
-      type: 'end',
+      type: "end",
     },
   ];
 }
 
-export const nodesModel = define.model('nodes', makeNodes, (set, _get, model) => {
-  const whites = new Set<NodeChange['type']>(['add', 'replace']);
+export const nodesModel = define.model("nodes", makeNodes, (set, _get, model) => {
+  const whites = new Set<NodeChange["type"]>(["add", "replace"]);
   function onNodesChange(changes: NodeChange<AnyWorkNode>[]) {
-    if (changes.some(c => whites.has(c.type))) {
+    if (changes.some((c) => whites.has(c.type))) {
       model.startTransaction();
       set((nds) => applyNodeChanges(changes, nds));
       requestAnimationFrame(model.endTransaction);
       return;
     }
     set((nds) => applyNodeChanges(changes, nds));
-  };
+  }
 
   function editNode(id: string, updater: (node: Draft<AnyWorkNode>) => void) {
-    set(produce((draft) => {
-      const node = draft.find(n => n.id === id);
-      if (node) updater(node);
-    }));
+    set(
+      produce((draft) => {
+        const node = draft.find((n) => n.id === id);
+        if (node) updater(node);
+      }),
+    );
   }
 
   function deleteNode(id: string) {
     model.startTransaction();
-    set((nds) => nds.filter(n => n.id !== id));
+    set((nds) => nds.filter((n) => n.id !== id));
     requestAnimationFrame(model.endTransaction);
   }
 
diff --git a/packages/workflow-dashboard/src/editor/nodes/end.tsx b/packages/workflow-dashboard/src/editor/nodes/end.tsx
index ed5a1af..d8d41fa 100644
--- a/packages/workflow-dashboard/src/editor/nodes/end.tsx
+++ b/packages/workflow-dashboard/src/editor/nodes/end.tsx
@@ -1,23 +1,19 @@
-import { Handle, Position, Node, NodeProps } from '@xyflow/react';
-import { EndNode } from './nodes.style';
+import { Handle, type Node, type NodeProps, Position } from "@xyflow/react";
+import { EndNode } from "./nodes.style";
 
 interface NodeData {
   label: string;
   [key: string]: unknown;
 }
 
-type NodeType = Node<NodeData, 'end'>;
+type NodeType = Node<NodeData, "end">;
 type Props = NodeProps<NodeType>;
 
 export function NodeEnd({ data }: Props) {
   return (
     <EndNode>
-      <Handle
-        type="target"
-        position={Position.Left}
-        id="input"
-      />
-      {data?.label || 'End'}
+      <Handle type="target" position={Position.Left} id="input" />
+      {data?.label || "End"}
     </EndNode>
   );
 }
diff --git a/packages/workflow-dashboard/src/editor/nodes/index.tsx b/packages/workflow-dashboard/src/editor/nodes/index.tsx
index d2ac33f..845c597 100644
--- a/packages/workflow-dashboard/src/editor/nodes/index.tsx
+++ b/packages/workflow-dashboard/src/editor/nodes/index.tsx
@@ -1,6 +1,6 @@
-import { NodeStart } from './start';
-import { NodeEnd } from './end';
-import { NodeRole } from './role';
+import { NodeEnd } from "./end";
+import { NodeRole } from "./role";
+import { NodeStart } from "./start";
 
 export const nodeTypes = {
   start: NodeStart,
diff --git a/packages/workflow-dashboard/src/editor/nodes/node-toolbar.tsx b/packages/workflow-dashboard/src/editor/nodes/node-toolbar.tsx
index d067cf8..c2c160f 100644
--- a/packages/workflow-dashboard/src/editor/nodes/node-toolbar.tsx
+++ b/packages/workflow-dashboard/src/editor/nodes/node-toolbar.tsx
@@ -1,5 +1,5 @@
-import type { ReactNode } from "react";
 import { Pencil, Trash2 } from "lucide-react";
+import type { ReactNode } from "react";
 import { Button } from "../../components/ui/button.tsx";
 
 type Props = {
@@ -13,7 +13,13 @@ export function NodeToolbarActions({ onEdit, onDelete }: Props): ReactNode {
       <Button variant="ghost" size="icon-xs" onClick={onEdit} title="编辑">
         <Pencil />
       </Button>
-      <Button variant="ghost" size="icon-xs" className="hover:bg-destructive/10 hover:text-destructive" onClick={onDelete} title="删除">
+      <Button
+        variant="ghost"
+        size="icon-xs"
+        className="hover:bg-destructive/10 hover:text-destructive"
+        onClick={onDelete}
+        title="删除"
+      >
         <Trash2 />
       </Button>
     </div>
diff --git a/packages/workflow-dashboard/src/editor/nodes/nodes.style.tsx b/packages/workflow-dashboard/src/editor/nodes/nodes.style.tsx
index 38f5489..c0bc8ac 100644
--- a/packages/workflow-dashboard/src/editor/nodes/nodes.style.tsx
+++ b/packages/workflow-dashboard/src/editor/nodes/nodes.style.tsx
@@ -45,12 +45,7 @@ export function NodeContent({ children }: { children: ReactNode }): ReactNode {
 
 export function NodeIcon({ className, children }: Props): ReactNode {
   return (
-    <div
-      className={cn(
-        "flex items-center justify-center w-8 h-8 rounded-lg shrink-0",
-        className,
-      )}
-    >
+    <div className={cn("flex items-center justify-center w-8 h-8 rounded-lg shrink-0", className)}>
       {children}
     </div>
   );
@@ -62,23 +57,14 @@ export function NodeBody({ children }: { children: ReactNode }): ReactNode {
 
 export function NodeKindLabel({ className, children }: Props): ReactNode {
   return (
-    <div
-      className={cn(
-        "text-[10px] font-semibold uppercase tracking-wide mb-1",
-        className,
-      )}
-    >
+    <div className={cn("text-[10px] font-semibold uppercase tracking-wide mb-1", className)}>
       {children}
     </div>
   );
 }
 
 export function NodeHint({ children }: { children: ReactNode }): ReactNode {
-  return (
-    <div className="text-[13px] text-gray-800 leading-snug break-words">
-      {children}
-    </div>
-  );
+  return <div className="text-[13px] text-gray-800 leading-snug break-words">{children}</div>;
 }
 
 export function NodeSubHint({ children }: { children: ReactNode }): ReactNode {
@@ -93,8 +79,6 @@ export function RoleIcon({ children }: { children: ReactNode }): ReactNode {
   );
 }
 
-export function RoleKindLabel({
-  children,
-}: { children: ReactNode }): ReactNode {
+export function RoleKindLabel({ children }: { children: ReactNode }): ReactNode {
   return <NodeKindLabel className="text-teal-700">{children}</NodeKindLabel>;
 }
diff --git a/packages/workflow-dashboard/src/editor/nodes/role.tsx b/packages/workflow-dashboard/src/editor/nodes/role.tsx
index 076bc6c..b88b468 100644
--- a/packages/workflow-dashboard/src/editor/nodes/role.tsx
+++ b/packages/workflow-dashboard/src/editor/nodes/role.tsx
@@ -1,24 +1,20 @@
-import { Handle, Position, NodeToolbar, useNodeConnections, type NodeProps } from '@xyflow/react';
-import { Users } from 'lucide-react';
-import {
-  NodeContent,
-  NodeBody,
-  RoleIcon,
-  RoleKindLabel,
-  NodeHint,
-} from './nodes.style';
-import { NodeToolbarActions } from './node-toolbar';
-import { editNodeViewModel } from '../model/edit-node-view';
-import { nodesModel } from '../model';
-import type { WorkNode } from '../type';
-import { useMemo, type ReactNode } from 'react';
-import { useReadonly } from '../flow';
+import { Handle, type NodeProps, NodeToolbar, Position, useNodeConnections } from "@xyflow/react";
+import { Users } from "lucide-react";
+import { useMemo } from "react";
+import { useReadonly } from "../flow";
+import { nodesModel } from "../model";
+import { editNodeViewModel } from "../model/edit-node-view";
+import type { WorkNode } from "../type";
+import { NodeToolbarActions } from "./node-toolbar";
+import { NodeBody, NodeContent, NodeHint, RoleIcon, RoleKindLabel } from "./nodes.style";
 
-type Props = NodeProps<WorkNode<'role'>>;
+type Props = NodeProps<WorkNode<"role">>;
 
-const containerClass = "bg-white border border-gray-200 rounded-[10px] shadow-sm transition-all duration-200 hover:shadow-md hover:border-gray-400 [&_.react-flow\\_\\_handle]:w-3 [&_.react-flow\\_\\_handle]:h-3 [&_.react-flow\\_\\_handle]:border-2 [&_.react-flow\\_\\_handle]:transition-all [&_.react-flow\\_\\_handle]:duration-150";
+const containerClass =
+  "bg-white border border-gray-200 rounded-[10px] shadow-sm transition-all duration-200 hover:shadow-md hover:border-gray-400 [&_.react-flow\\_\\_handle]:w-3 [&_.react-flow\\_\\_handle]:h-3 [&_.react-flow\\_\\_handle]:border-2 [&_.react-flow\\_\\_handle]:transition-all [&_.react-flow\\_\\_handle]:duration-150";
 const targetClass = "!bg-blue-100 !border-blue-500 hover:!bg-blue-500 hover:!border-blue-600";
-const sourceClass = "!bg-emerald-100 !border-emerald-500 hover:!bg-emerald-500 hover:!border-emerald-600";
+const sourceClass =
+  "!bg-emerald-100 !border-emerald-500 hover:!bg-emerald-500 hover:!border-emerald-600";
 
 export function NodeRole({ data, id, selected }: Props) {
   const startEdit = editNodeViewModel.useCreation().start;
@@ -35,8 +31,14 @@ export function NodeRole({ data, id, selected }: Props) {
     return set;
   }, [connections, id]);
 
-  const hasInputConnection = connectedHandles.has('input') || connectedHandles.has('input-top') || connectedHandles.has('input-bottom');
-  const hasOutputConnection = connectedHandles.has('output') || connectedHandles.has('output-top') || connectedHandles.has('output-bottom');
+  const hasInputConnection =
+    connectedHandles.has("input") ||
+    connectedHandles.has("input-top") ||
+    connectedHandles.has("input-bottom");
+  const hasOutputConnection =
+    connectedHandles.has("output") ||
+    connectedHandles.has("output-top") ||
+    connectedHandles.has("output-bottom");
 
   const showHandle = (handleId: string, alwaysShow: boolean) => {
     if (readonly) return connectedHandles.has(handleId);
@@ -45,9 +47,35 @@ export function NodeRole({ data, id, selected }: Props) {
 
   return (
     <div className={containerClass}>
-      {showHandle('input', true) && <Handle type="target" position={Position.Left} id="input" className={targetClass} isConnectableStart />}
-      {showHandle('input-top', hasInputConnection) && <Handle type="target" position={Position.Top} id="input-top" style={{ left: '30%' }} className={targetClass} isConnectableStart />}
-      {showHandle('input-bottom', hasInputConnection) && <Handle type="target" position={Position.Bottom} id="input-bottom" style={{ left: '30%' }} className={targetClass} isConnectableStart />}
+      {showHandle("input", true) && (
+        <Handle
+          type="target"
+          position={Position.Left}
+          id="input"
+          className={targetClass}
+          isConnectableStart
+        />
+      )}
+      {showHandle("input-top", hasInputConnection) && (
+        <Handle
+          type="target"
+          position={Position.Top}
+          id="input-top"
+          style={{ left: "30%" }}
+          className={targetClass}
+          isConnectableStart
+        />
+      )}
+      {showHandle("input-bottom", hasInputConnection) && (
+        <Handle
+          type="target"
+          position={Position.Bottom}
+          id="input-bottom"
+          style={{ left: "30%" }}
+          className={targetClass}
+          isConnectableStart
+        />
+      )}
       <NodeContent>
         <RoleIcon>
           <Users size={16} />
@@ -58,14 +86,37 @@ export function NodeRole({ data, id, selected }: Props) {
         </NodeBody>
       </NodeContent>
       <NodeToolbar isVisible={selected && !readonly} position={Position.Bottom}>
-        <NodeToolbarActions
-          onEdit={() => startEdit(id)}
-          onDelete={() => deleteNode(id)}
-        />
+        <NodeToolbarActions onEdit={() => startEdit(id)} onDelete={() => deleteNode(id)} />
       </NodeToolbar>
-      {showHandle('output', true) && <Handle type="source" position={Position.Right} id="output" className={sourceClass} isConnectableEnd />}
-      {showHandle('output-top', hasOutputConnection) && <Handle type="source" position={Position.Top} id="output-top" style={{ left: '70%' }} className={sourceClass} isConnectableEnd />}
-      {showHandle('output-bottom', hasOutputConnection) && <Handle type="source" position={Position.Bottom} id="output-bottom" style={{ left: '70%' }} className={sourceClass} isConnectableEnd />}
+      {showHandle("output", true) && (
+        <Handle
+          type="source"
+          position={Position.Right}
+          id="output"
+          className={sourceClass}
+          isConnectableEnd
+        />
+      )}
+      {showHandle("output-top", hasOutputConnection) && (
+        <Handle
+          type="source"
+          position={Position.Top}
+          id="output-top"
+          style={{ left: "70%" }}
+          className={sourceClass}
+          isConnectableEnd
+        />
+      )}
+      {showHandle("output-bottom", hasOutputConnection) && (
+        <Handle
+          type="source"
+          position={Position.Bottom}
+          id="output-bottom"
+          style={{ left: "70%" }}
+          className={sourceClass}
+          isConnectableEnd
+        />
+      )}
     </div>
   );
 }
diff --git a/packages/workflow-dashboard/src/editor/nodes/start.tsx b/packages/workflow-dashboard/src/editor/nodes/start.tsx
index 4237aec..62d4d8c 100644
--- a/packages/workflow-dashboard/src/editor/nodes/start.tsx
+++ b/packages/workflow-dashboard/src/editor/nodes/start.tsx
@@ -1,13 +1,13 @@
-import { Handle, Position, Node, NodeProps, useNodeConnections } from '@xyflow/react';
-import { StartNode } from './nodes.style';
-import { useMemo } from 'react';
+import { Handle, type Node, type NodeProps, Position, useNodeConnections } from "@xyflow/react";
+import { useMemo } from "react";
+import { StartNode } from "./nodes.style";
 
 interface NodeData {
   label: string;
   [key: string]: unknown;
 }
 
-type NodeType = Node<NodeData, 'start'>;
+type NodeType = Node<NodeData, "start">;
 type Props = NodeProps<NodeType>;
 
 export function NodeStart({ data, id }: Props) {
@@ -19,7 +19,7 @@ export function NodeStart({ data, id }: Props) {
 
   return (
     <StartNode>
-      {data?.label || 'Start'}
+      {data?.label || "Start"}
       <Handle
         type="source"
         position={Position.Right}
diff --git a/packages/workflow-dashboard/src/editor/panel/add-node.tsx b/packages/workflow-dashboard/src/editor/panel/add-node.tsx
index 8d0853d..e64b5e2 100644
--- a/packages/workflow-dashboard/src/editor/panel/add-node.tsx
+++ b/packages/workflow-dashboard/src/editor/panel/add-node.tsx
@@ -1,16 +1,16 @@
-import { useState, useEffect, type ReactNode } from "react";
-import { addNodeViewModel, type AddNodeState } from "../model/index.ts";
+import { type ReactNode, useEffect, useState } from "react";
+import { Button } from "../../components/ui/button.tsx";
 import {
   Dialog,
   DialogContent,
+  DialogFooter,
   DialogHeader,
   DialogTitle,
-  DialogFooter,
 } from "../../components/ui/dialog.tsx";
 import { Input } from "../../components/ui/input.tsx";
-import { Textarea } from "../../components/ui/textarea.tsx";
-import { Button } from "../../components/ui/button.tsx";
 import { Label } from "../../components/ui/label.tsx";
+import { Textarea } from "../../components/ui/textarea.tsx";
+import { type AddNodeState, addNodeViewModel } from "../model/index.ts";
 import type { RoleNodeData } from "../type.ts";
 
 type FormProps = {
@@ -34,7 +34,7 @@ function Form({ state, onSubmit, onCancel }: FormProps): ReactNode {
     setPrepare("");
     setExecute("");
     setReport("");
-  }, [state]);
+  }, []);
 
   function handleConfirm() {
     if (!name.trim()) return;
@@ -59,11 +59,7 @@ function Form({ state, onSubmit, onCancel }: FormProps): ReactNode {
       <div className="flex flex-col gap-3 max-h-[400px] overflow-y-auto p-1">
         <div className="flex flex-col gap-1.5">
           <Label className="text-xs text-muted-foreground">名称 *</Label>
-          <Input
-            value={name}
-            onChange={(e) => setName(e.target.value)}
-            placeholder="角色名称"
-          />
+          <Input value={name} onChange={(e) => setName(e.target.value)} placeholder="角色名称" />
         </div>
         <div className="flex flex-col gap-1.5">
           <Label className="text-xs text-muted-foreground">描述</Label>
@@ -136,7 +132,9 @@ export function AddNodeDialog(): ReactNode {
   return (
     <Dialog
       open={state !== null}
-      onOpenChange={(open) => { if (!open) cancel(); }}
+      onOpenChange={(open) => {
+        if (!open) cancel();
+      }}
     >
       <DialogContent showCloseButton={false} className="sm:max-w-md">
         {state && <Form state={state} onSubmit={commit} onCancel={cancel} />}
diff --git a/packages/workflow-dashboard/src/editor/panel/edit-node.tsx b/packages/workflow-dashboard/src/editor/panel/edit-node.tsx
index ef29be5..47ff693 100644
--- a/packages/workflow-dashboard/src/editor/panel/edit-node.tsx
+++ b/packages/workflow-dashboard/src/editor/panel/edit-node.tsx
@@ -1,19 +1,16 @@
-import { useState, useEffect, type ReactNode } from "react";
-import {
-  editNodeViewModel,
-  type EditNodeState,
-} from "../model/edit-node-view.ts";
+import { type ReactNode, useEffect, useState } from "react";
+import { Button } from "../../components/ui/button.tsx";
 import {
   Dialog,
   DialogContent,
+  DialogFooter,
   DialogHeader,
   DialogTitle,
-  DialogFooter,
 } from "../../components/ui/dialog.tsx";
 import { Input } from "../../components/ui/input.tsx";
-import { Textarea } from "../../components/ui/textarea.tsx";
-import { Button } from "../../components/ui/button.tsx";
 import { Label } from "../../components/ui/label.tsx";
+import { Textarea } from "../../components/ui/textarea.tsx";
+import { type EditNodeState, editNodeViewModel } from "../model/edit-node-view.ts";
 import type { RoleNodeData } from "../type.ts";
 
 type FormProps = {
@@ -61,11 +58,7 @@ function Form({ state, onSubmit, onCancel }: FormProps): ReactNode {
       <div className="flex flex-col gap-3 max-h-[400px] overflow-y-auto p-1">
         <div className="flex flex-col gap-1.5">
           <Label className="text-xs text-muted-foreground">名称 *</Label>
-          <Input
-            value={name}
-            onChange={(e) => setName(e.target.value)}
-            placeholder="角色名称"
-          />
+          <Input value={name} onChange={(e) => setName(e.target.value)} placeholder="角色名称" />
         </div>
         <div className="flex flex-col gap-1.5">
           <Label className="text-xs text-muted-foreground">描述</Label>
@@ -138,7 +131,9 @@ export function EditNodeDialog(): ReactNode {
   return (
     <Dialog
       open={state !== null}
-      onOpenChange={(open) => { if (!open) cancel(); }}
+      onOpenChange={(open) => {
+        if (!open) cancel();
+      }}
     >
       <DialogContent showCloseButton={false} className="sm:max-w-md">
         {state && <Form state={state} onSubmit={commit} onCancel={cancel} />}
diff --git a/packages/workflow-dashboard/src/editor/panel/index.tsx b/packages/workflow-dashboard/src/editor/panel/index.tsx
index 68097c7..242ad83 100644
--- a/packages/workflow-dashboard/src/editor/panel/index.tsx
+++ b/packages/workflow-dashboard/src/editor/panel/index.tsx
@@ -1,8 +1,7 @@
-import { Panel } from '@xyflow/react';
-import { AddNodeDialog } from './add-node';
-import { EditNodeDialog } from './edit-node';
-import { Toolbar } from './toolbar';
-
+import { Panel } from "@xyflow/react";
+import { AddNodeDialog } from "./add-node";
+import { EditNodeDialog } from "./edit-node";
+import { Toolbar } from "./toolbar";
 
 export function Dialogs() {
   return (
@@ -13,7 +12,6 @@ export function Dialogs() {
   );
 }
 
-
 export function TopCenterPanel() {
   return (
     <Panel position="top-center">
diff --git a/packages/workflow-dashboard/src/editor/panel/toolbar.tsx b/packages/workflow-dashboard/src/editor/panel/toolbar.tsx
index 6d21d5c..bac5559 100644
--- a/packages/workflow-dashboard/src/editor/panel/toolbar.tsx
+++ b/packages/workflow-dashboard/src/editor/panel/toolbar.tsx
@@ -1,28 +1,21 @@
-import { type ReactNode } from "react";
-import {
-  Undo2,
-  Redo2,
-  Users,
-  LayoutList,
-  Save,
-} from "lucide-react";
 import { useReactFlow, useStoreApi } from "@xyflow/react";
+import { LayoutList, Redo2, Save, Undo2, Users } from "lucide-react";
+import { type ReactNode, useState } from "react";
+import { Button } from "../../components/ui/button.tsx";
+import { Separator } from "../../components/ui/separator.tsx";
+import { cn } from "../../lib/utils.ts";
 import { useModel } from "../context.tsx";
 import { handlers, nodesModel } from "../model/index.ts";
-import { Separator } from "../../components/ui/separator.tsx";
-import { Button } from "../../components/ui/button.tsx";
 import type { RoleNodeData, WorkNode } from "../type.ts";
 import { uuid } from "../utils/index.ts";
-import { useState } from "react";
-import { cn } from "../../lib/utils.ts";
 
 const DEFAULT_ROLE_DATA: RoleNodeData = {
-  name: '新角色',
-  description: '',
-  identity: '',
-  prepare: '',
-  execute: '',
-  report: '',
+  name: "新角色",
+  description: "",
+  identity: "",
+  prepare: "",
+  execute: "",
+  report: "",
 };
 
 export function Toolbar(): ReactNode {
@@ -48,9 +41,9 @@ export function Toolbar(): ReactNode {
     const centerY = (height / 2 - y) / zoom;
 
     const id = `n${uuid()}`;
-    const node: WorkNode<'role'> = {
+    const node: WorkNode<"role"> = {
       id,
-      type: 'role',
+      type: "role",
       position: { x: centerX - 80, y: centerY - 40 },
       data: { ...DEFAULT_ROLE_DATA },
     };
@@ -63,10 +56,22 @@ export function Toolbar(): ReactNode {
   return (
     <div className="flex items-center gap-2 px-3 py-1.5 bg-white rounded-[10px] shadow-md">
       <div className="flex items-center gap-0.5">
-        <Button variant="ghost" size="icon-sm" title="撤销 (Undo)" onClick={handleUndo} disabled={!canUndo}>
+        <Button
+          variant="ghost"
+          size="icon-sm"
+          title="撤销 (Undo)"
+          onClick={handleUndo}
+          disabled={!canUndo}
+        >
           <Undo2 />
         </Button>
-        <Button variant="ghost" size="icon-sm" title="重做 (Redo)" onClick={handleRedo} disabled={!canRedo}>
+        <Button
+          variant="ghost"
+          size="icon-sm"
+          title="重做 (Redo)"
+          onClick={handleRedo}
+          disabled={!canRedo}
+        >
           <Redo2 />
         </Button>
       </div>
@@ -101,14 +106,12 @@ function SaveButton(): ReactNode {
     if (valid) {
       setToast({ open: true, severity: "success", message: "流程保存成功" });
     } else {
-      const errorMessages = errors.map(
-        ({ message, nodeId }) => (
-          <div key={nodeId ?? message}>
-            {nodeId ? `节点 ${nodeId}：` : ""}
-            {message}
-          </div>
-        ),
-      );
+      const errorMessages = errors.map(({ message, nodeId }) => (
+        <div key={nodeId ?? message}>
+          {nodeId ? `节点 ${nodeId}：` : ""}
+          {message}
+        </div>
+      ));
       setToast({
         open: true,
         severity: "error",
diff --git a/packages/workflow-dashboard/src/editor/trans/index.ts b/packages/workflow-dashboard/src/editor/trans/index.ts
index e85bfc7..6cb90aa 100644
--- a/packages/workflow-dashboard/src/editor/trans/index.ts
+++ b/packages/workflow-dashboard/src/editor/trans/index.ts
@@ -1,4 +1,4 @@
-export * from './type';
-export * from './trans-in';
-export * from './trans-out';
-export * from './validate';
+export * from "./trans-in";
+export * from "./trans-out";
+export * from "./type";
+export * from "./validate";
diff --git a/packages/workflow-dashboard/src/editor/trans/trans-in.ts b/packages/workflow-dashboard/src/editor/trans/trans-in.ts
index 856706f..9793647 100644
--- a/packages/workflow-dashboard/src/editor/trans/trans-in.ts
+++ b/packages/workflow-dashboard/src/editor/trans/trans-in.ts
@@ -1,20 +1,20 @@
-import type { AnyWorkNode, AnyWorkEdge, ConditionalEdge } from '../type';
-import type { WorkFlowStep } from './type';
-import { uuid } from '../utils';
+import type { AnyWorkEdge, AnyWorkNode, ConditionalEdge } from "../type";
+import { uuid } from "../utils";
+import type { WorkFlowStep } from "./type";
 
 type Result = {
   nodes: AnyWorkNode[];
   edges: AnyWorkEdge[];
 };
 
-const OUT_HANDLES = ['output-top', 'output', 'output-bottom'] as const;
-const IN_HANDLES = ['input-top', 'input', 'input-bottom'] as const;
+const _OUT_HANDLES = ["output-top", "output", "output-bottom"] as const;
+const IN_HANDLES = ["input-top", "input", "input-bottom"] as const;
 
 function assignHandles(
   indices: number[],
   edges: AnyWorkEdge[],
   handles: readonly string[],
-  key: 'sourceHandle' | 'targetHandle',
+  key: "sourceHandle" | "targetHandle",
 ): void {
   if (indices.length === 1) {
     edges[indices[0]] = { ...edges[indices[0]], [key]: handles[1] };
@@ -29,8 +29,18 @@ function assignHandles(
 }
 
 export function transIn(steps: WorkFlowStep[]): Result {
-  const startNode: AnyWorkNode = { id: 'start', type: 'start', data: { label: 'Start' }, position: { x: 0, y: 0 } };
-  const endNode: AnyWorkNode = { id: 'end', type: 'end', data: { label: 'End' }, position: { x: 250, y: 0 } };
+  const startNode: AnyWorkNode = {
+    id: "start",
+    type: "start",
+    data: { label: "Start" },
+    position: { x: 0, y: 0 },
+  };
+  const endNode: AnyWorkNode = {
+    id: "end",
+    type: "end",
+    data: { label: "End" },
+    position: { x: 250, y: 0 },
+  };
 
   if (steps.length === 0) {
     return { nodes: [startNode, endNode], edges: [] };
@@ -40,9 +50,9 @@ export function transIn(steps: WorkFlowStep[]): Result {
   const edges: AnyWorkEdge[] = [];
   const nameToId = new Map<string, string>();
   const idToOrder = new Map<string, number>();
-  nameToId.set('END', 'end');
-  idToOrder.set('start', -1);
-  idToOrder.set('end', steps.length);
+  nameToId.set("END", "end");
+  idToOrder.set("start", -1);
+  idToOrder.set("end", steps.length);
 
   for (let si = 0; si < steps.length; si++) {
     const step = steps[si];
@@ -51,25 +61,25 @@ export function transIn(steps: WorkFlowStep[]): Result {
     idToOrder.set(nodeId, si);
     nodes.push({
       id: nodeId,
-      type: 'role',
+      type: "role",
       data: { ...step.role },
       position: { x: 0, y: 0 },
     });
   }
 
-  const firstStepId = nameToId.get(steps[0].role.name)!;
+  const firstStepId = nameToId.get(steps[0].role.name) ?? "";
   edges.push({
     id: `e-start-${firstStepId}`,
-    source: 'start',
-    sourceHandle: 'output',
+    source: "start",
+    sourceHandle: "output",
     target: firstStepId,
-    targetHandle: 'input',
+    targetHandle: "input",
     animated: true,
   });
 
   for (const step of steps) {
-    const sourceId = nameToId.get(step.role.name)!;
-    const sourceOrder = idToOrder.get(sourceId)!;
+    const sourceId = nameToId.get(step.role.name) ?? "";
+    const _sourceOrder = idToOrder.get(sourceId) ?? 0;
     const hasMultipleTransitions = step.transitions.length > 1;
 
     const sorted = hasMultipleTransitions
@@ -95,10 +105,10 @@ export function transIn(steps: WorkFlowStep[]): Result {
           id: edgeId,
           source: sourceId,
           target: targetId,
-          sourceHandle: 'output',
-          targetHandle: 'input',
-          type: 'conditional',
-          data: { condition: t.condition ?? '' },
+          sourceHandle: "output",
+          targetHandle: "input",
+          type: "conditional",
+          data: { condition: t.condition ?? "" },
           animated: true,
         };
         if (hasMultipleTransitions && i === 0) {
@@ -111,8 +121,8 @@ export function transIn(steps: WorkFlowStep[]): Result {
           id: edgeId,
           source: sourceId,
           target: targetId,
-          sourceHandle: 'output',
-          targetHandle: 'input',
+          sourceHandle: "output",
+          targetHandle: "input",
           animated: true,
         });
       }
@@ -120,7 +130,7 @@ export function transIn(steps: WorkFlowStep[]): Result {
 
     // out: else → output (right); if → sort by target order desc (rightmost first), then top/bottom
     for (const e of elseEdges) {
-      edges.push({ ...e, sourceHandle: 'output' });
+      edges.push({ ...e, sourceHandle: "output" });
     }
     if (ifEdges.length > 0) {
       const sortedIf = [...ifEdges].sort((a, b) => {
@@ -128,7 +138,7 @@ export function transIn(steps: WorkFlowStep[]): Result {
         const ob = idToOrder.get(b.target) ?? 0;
         return ob - oa;
       });
-      const ifHandles = ['output-top', 'output-bottom'] as const;
+      const ifHandles = ["output-top", "output-bottom"] as const;
       for (let i = 0; i < sortedIf.length; i++) {
         edges.push({ ...sortedIf[i], sourceHandle: ifHandles[i % ifHandles.length] });
       }
@@ -140,7 +150,7 @@ export function transIn(steps: WorkFlowStep[]): Result {
   for (let i = 0; i < edges.length; i++) {
     const target = edges[i].target;
     if (!incomingByTarget.has(target)) incomingByTarget.set(target, []);
-    incomingByTarget.get(target)!.push(i);
+    incomingByTarget.get(target)?.push(i);
   }
 
   for (const indices of incomingByTarget.values()) {
@@ -149,7 +159,7 @@ export function transIn(steps: WorkFlowStep[]): Result {
       const ob = idToOrder.get(edges[b].source) ?? 0;
       return oa - ob;
     });
-    assignHandles(indices, edges, IN_HANDLES, 'targetHandle');
+    assignHandles(indices, edges, IN_HANDLES, "targetHandle");
   }
 
   return { nodes, edges };
diff --git a/packages/workflow-dashboard/src/editor/trans/trans-out.ts b/packages/workflow-dashboard/src/editor/trans/trans-out.ts
index 8878290..f9b8ee7 100644
--- a/packages/workflow-dashboard/src/editor/trans/trans-out.ts
+++ b/packages/workflow-dashboard/src/editor/trans/trans-out.ts
@@ -1,5 +1,5 @@
-import type { AnyWorkNode, AnyWorkEdge, WorkNode, ConditionalEdge } from '../type';
-import type { WorkFlowStep, WorkFlowTransition } from './type';
+import type { AnyWorkEdge, AnyWorkNode, ConditionalEdge, WorkNode } from "../type";
+import type { WorkFlowStep, WorkFlowTransition } from "./type";
 
 export function transOut(nodes: AnyWorkNode[], edges: AnyWorkEdge[]): WorkFlowStep[] {
   const nodeMap = new Map<string, AnyWorkNode>();
@@ -12,10 +12,10 @@ export function transOut(nodes: AnyWorkNode[], edges: AnyWorkEdge[]): WorkFlowSt
     if (!outgoingEdges.has(edge.source)) {
       outgoingEdges.set(edge.source, []);
     }
-    outgoingEdges.get(edge.source)!.push(edge);
+    outgoingEdges.get(edge.source)?.push(edge);
   }
 
-  const startOutEdges = outgoingEdges.get('start') ?? [];
+  const startOutEdges = outgoingEdges.get("start") ?? [];
   if (startOutEdges.length === 0) return [];
 
   const firstNodeId = startOutEdges[0].target;
@@ -34,23 +34,26 @@ function traverse(
   visited: Set<string>,
   steps: WorkFlowStep[],
 ): void {
-  if (visited.has(nodeId) || nodeId === 'start' || nodeId === 'end') return;
+  if (visited.has(nodeId) || nodeId === "start" || nodeId === "end") return;
   visited.add(nodeId);
 
   const node = nodeMap.get(nodeId);
-  if (!node || node.type !== 'role') return;
+  if (!node || node.type !== "role") return;
 
-  const roleNode = node as WorkNode<'role'>;
+  const roleNode = node as WorkNode<"role">;
   const outEdges = outgoingEdges.get(nodeId) ?? [];
 
   const transitions: WorkFlowTransition[] = outEdges.map((edge, index) => {
     const targetNode = nodeMap.get(edge.target);
-    const target = edge.target === 'end'
-      ? 'END'
-      : (targetNode?.type === 'role' ? (targetNode as WorkNode<'role'>).data.name : edge.target);
+    const target =
+      edge.target === "end"
+        ? "END"
+        : targetNode?.type === "role"
+          ? (targetNode as WorkNode<"role">).data.name
+          : edge.target;
 
     let condition: string | null = null;
-    if (edge.type === 'conditional') {
+    if (edge.type === "conditional") {
       const isElse = outEdges.length >= 2 && index === 0;
       condition = isElse ? null : ((edge as ConditionalEdge).data?.condition ?? null);
     }
diff --git a/packages/workflow-dashboard/src/editor/trans/type.ts b/packages/workflow-dashboard/src/editor/trans/type.ts
index e9c5f55..2237ced 100644
--- a/packages/workflow-dashboard/src/editor/trans/type.ts
+++ b/packages/workflow-dashboard/src/editor/trans/type.ts
@@ -1,6 +1,6 @@
 export type {
   WorkFlowRole,
-  WorkFlowTransition,
   WorkFlowStep,
   WorkFlowSteps,
+  WorkFlowTransition,
 } from "../../../shared/types.ts";
diff --git a/packages/workflow-dashboard/src/editor/trans/validate.ts b/packages/workflow-dashboard/src/editor/trans/validate.ts
index 1df2802..9d929ea 100644
--- a/packages/workflow-dashboard/src/editor/trans/validate.ts
+++ b/packages/workflow-dashboard/src/editor/trans/validate.ts
@@ -1,4 +1,4 @@
-import type { AnyWorkNode, AnyWorkEdge, ConditionalEdge } from '../type';
+import type { AnyWorkEdge, AnyWorkNode, ConditionalEdge } from "../type";
 
 export type ValidationError = {
   nodeId: string | null;
@@ -13,12 +13,12 @@ export type ValidationResult = {
 export function validate(nodes: AnyWorkNode[], edges: AnyWorkEdge[]): ValidationResult {
   const errors: ValidationError[] = [];
 
-  const outgoing = buildEdgeMap(edges, 'source');
-  const incoming = buildEdgeMap(edges, 'target');
+  const outgoing = buildEdgeMap(edges, "source");
+  const incoming = buildEdgeMap(edges, "target");
 
-  const startNodes = nodes.filter(n => n.type === 'start');
-  const endNodes = nodes.filter(n => n.type === 'end');
-  const roleNodes = nodes.filter(n => n.type === 'role');
+  const startNodes = nodes.filter((n) => n.type === "start");
+  const endNodes = nodes.filter((n) => n.type === "end");
+  const roleNodes = nodes.filter((n) => n.type === "role");
 
   validateStartNode(startNodes, outgoing, errors);
   validateEndNode(endNodes, incoming, outgoing, errors);
@@ -29,17 +29,14 @@ export function validate(nodes: AnyWorkNode[], edges: AnyWorkEdge[]): Validation
   return { valid: errors.length === 0, errors };
 }
 
-function buildEdgeMap(
-  edges: AnyWorkEdge[],
-  key: 'source' | 'target',
-): Map<string, AnyWorkEdge[]> {
+function buildEdgeMap(edges: AnyWorkEdge[], key: "source" | "target"): Map<string, AnyWorkEdge[]> {
   const map = new Map<string, AnyWorkEdge[]>();
   for (const edge of edges) {
     const id = edge[key];
     if (!map.has(id)) {
       map.set(id, []);
     }
-    map.get(id)!.push(edge);
+    map.get(id)?.push(edge);
   }
   return map;
 }
@@ -50,20 +47,20 @@ function validateStartNode(
   errors: ValidationError[],
 ): void {
   if (startNodes.length === 0) {
-    errors.push({ nodeId: null, message: '缺少 Start 节点' });
+    errors.push({ nodeId: null, message: "缺少 Start 节点" });
     return;
   }
   if (startNodes.length > 1) {
-    errors.push({ nodeId: null, message: 'Start 节点只能有一个' });
+    errors.push({ nodeId: null, message: "Start 节点只能有一个" });
     return;
   }
 
   const startId = startNodes[0].id;
   const outEdges = outgoing.get(startId) ?? [];
   if (outEdges.length === 0) {
-    errors.push({ nodeId: startId, message: 'Start 节点必须有一个输出连接' });
+    errors.push({ nodeId: startId, message: "Start 节点必须有一个输出连接" });
   } else if (outEdges.length > 1) {
-    errors.push({ nodeId: startId, message: 'Start 节点只能有一个输出连接' });
+    errors.push({ nodeId: startId, message: "Start 节点只能有一个输出连接" });
   }
 }
 
@@ -74,23 +71,23 @@ function validateEndNode(
   errors: ValidationError[],
 ): void {
   if (endNodes.length === 0) {
-    errors.push({ nodeId: null, message: '缺少 End 节点' });
+    errors.push({ nodeId: null, message: "缺少 End 节点" });
     return;
   }
   if (endNodes.length > 1) {
-    errors.push({ nodeId: null, message: 'End 节点只能有一个' });
+    errors.push({ nodeId: null, message: "End 节点只能有一个" });
     return;
   }
 
   const endId = endNodes[0].id;
   const inEdges = incoming.get(endId) ?? [];
   if (inEdges.length === 0) {
-    errors.push({ nodeId: endId, message: 'End 节点必须有至少一个输入连接' });
+    errors.push({ nodeId: endId, message: "End 节点必须有至少一个输入连接" });
   }
 
   const outEdges = outgoing.get(endId) ?? [];
   if (outEdges.length > 0) {
-    errors.push({ nodeId: endId, message: 'End 节点不能有输出连接' });
+    errors.push({ nodeId: endId, message: "End 节点不能有输出连接" });
   }
 }
 
@@ -105,22 +102,22 @@ function validateRoleNodes(
     const outEdges = outgoing.get(node.id) ?? [];
 
     if (inEdges.length === 0) {
-      errors.push({ nodeId: node.id, message: '角色节点缺少输入连接' });
+      errors.push({ nodeId: node.id, message: "角色节点缺少输入连接" });
     }
     if (outEdges.length === 0) {
-      errors.push({ nodeId: node.id, message: '角色节点缺少输出连接' });
+      errors.push({ nodeId: node.id, message: "角色节点缺少输出连接" });
     }
 
     if (outEdges.length > 1) {
-      const conditionalEdges = outEdges.filter(e => e.type === 'conditional');
+      const conditionalEdges = outEdges.filter((e) => e.type === "conditional");
       if (conditionalEdges.length !== outEdges.length) {
-        errors.push({ nodeId: node.id, message: '多输出节点的所有出边必须附带条件' });
+        errors.push({ nodeId: node.id, message: "多输出节点的所有出边必须附带条件" });
       } else {
         const ifEdges = conditionalEdges.slice(1);
         for (const edge of ifEdges) {
           const condEdge = edge as ConditionalEdge;
           if (!condEdge.data?.condition?.trim()) {
-            errors.push({ nodeId: node.id, message: '条件边的条件表达式不能为空' });
+            errors.push({ nodeId: node.id, message: "条件边的条件表达式不能为空" });
             break;
           }
         }
@@ -129,12 +126,9 @@ function validateRoleNodes(
   }
 }
 
-function validateRoleCount(
-  roleNodes: AnyWorkNode[],
-  errors: ValidationError[],
-): void {
+function validateRoleCount(roleNodes: AnyWorkNode[], errors: ValidationError[]): void {
   if (roleNodes.length < 2) {
-    errors.push({ nodeId: null, message: '工作流至少需要 2 个角色节点' });
+    errors.push({ nodeId: null, message: "工作流至少需要 2 个角色节点" });
   }
 }
 
@@ -151,21 +145,21 @@ function validateReachability(
   const backwardAdj = new Map<string, string[]>();
   for (const edge of edges) {
     if (!forwardAdj.has(edge.source)) forwardAdj.set(edge.source, []);
-    forwardAdj.get(edge.source)!.push(edge.target);
+    forwardAdj.get(edge.source)?.push(edge.target);
     if (!backwardAdj.has(edge.target)) backwardAdj.set(edge.target, []);
-    backwardAdj.get(edge.target)!.push(edge.source);
+    backwardAdj.get(edge.target)?.push(edge.source);
   }
 
   const reachableFromStart = bfs(startNodes[0].id, forwardAdj);
   const reachableFromEnd = bfs(endNodes[0].id, backwardAdj);
 
   for (const node of nodes) {
-    if (node.type === 'start' || node.type === 'end') continue;
+    if (node.type === "start" || node.type === "end") continue;
     if (!reachableFromStart.has(node.id)) {
-      errors.push({ nodeId: node.id, message: '节点不可从 Start 到达（孤立节点）' });
+      errors.push({ nodeId: node.id, message: "节点不可从 Start 到达（孤立节点）" });
     }
     if (!reachableFromEnd.has(node.id)) {
-      errors.push({ nodeId: node.id, message: '节点无法到达 End（死端节点）' });
+      errors.push({ nodeId: node.id, message: "节点无法到达 End（死端节点）" });
     }
   }
 }
@@ -175,7 +169,7 @@ function bfs(startId: string, adj: Map<string, string[]>): Set<string> {
   const queue = [startId];
   visited.add(startId);
   while (queue.length > 0) {
-    const current = queue.shift()!;
+    const current = queue.shift() ?? "";
     for (const next of adj.get(current) ?? []) {
       if (!visited.has(next)) {
         visited.add(next);
diff --git a/packages/workflow-dashboard/src/editor/type.ts b/packages/workflow-dashboard/src/editor/type.ts
index 385df34..601f078 100644
--- a/packages/workflow-dashboard/src/editor/type.ts
+++ b/packages/workflow-dashboard/src/editor/type.ts
@@ -1,4 +1,4 @@
-import type { Node, Edge } from '@xyflow/react';
+import type { Edge, Node } from "@xyflow/react";
 
 type AnyKeyBase = { [key: string]: unknown | undefined };
 
@@ -19,11 +19,11 @@ export type NodeMap = {
 
 export type WorkNodeType = keyof NodeMap;
 export type WorkNode<T extends WorkNodeType> = Node<NodeMap[T], T>;
-export type AnyWorkNode = WorkNode<'start'> | WorkNode<'end'> | WorkNode<'role'>;
+export type AnyWorkNode = WorkNode<"start"> | WorkNode<"end"> | WorkNode<"role">;
 
 export type ConditionalEdgeData = AnyKeyBase & {
   condition: string;
 };
 
-export type ConditionalEdge = Edge<ConditionalEdgeData, 'conditional'>;
+export type ConditionalEdge = Edge<ConditionalEdgeData, "conditional">;
 export type AnyWorkEdge = ConditionalEdge | Edge;
diff --git a/packages/workflow-dashboard/src/editor/utils/eventer.ts b/packages/workflow-dashboard/src/editor/utils/eventer.ts
index e783685..ce629a7 100644
--- a/packages/workflow-dashboard/src/editor/utils/eventer.ts
+++ b/packages/workflow-dashboard/src/editor/utils/eventer.ts
@@ -1,12 +1,16 @@
-interface Maper<T> { [key: string]: T }
+type Maper<T> = {
+  [key: string]: T;
+};
 type Listen<T> = (data: T) => void;
 
+// biome-ignore lint/suspicious/noExplicitAny: generic event map requires any
 export class Eventer<M extends Maper<any>> {
+  // biome-ignore lint/complexity/noBannedTypes: Set<Function> needed for heterogeneous listener types
   private lisenters = {} as { [K in keyof M]: Set<Function> };
 
   public on<K extends keyof M>(key: K, lisenter: Listen<M[K]>) {
     let set = this.lisenters[key];
-    if (set == undefined) {
+    if (set === undefined) {
       set = new Set();
       this.lisenters[key] = set;
     }
@@ -26,6 +30,8 @@ export class Eventer<M extends Maper<any>> {
     const set = this.lisenters[key];
     if (set === undefined) return;
     // Todo: maybe implement stoping bubble
-    set.forEach(call => call(data));
+    for (const call of set) {
+      call(data);
+    }
   }
 }
diff --git a/packages/workflow-dashboard/src/editor/utils/index.ts b/packages/workflow-dashboard/src/editor/utils/index.ts
index 595ab63..6f3d65c 100644
--- a/packages/workflow-dashboard/src/editor/utils/index.ts
+++ b/packages/workflow-dashboard/src/editor/utils/index.ts
@@ -1,5 +1,3 @@
-
-
 export function uuid() {
   const now = Date.now();
   const randon = 1 + Math.random();
diff --git a/packages/workflow-dashboard/src/editor/utils/use-click-out.tsx b/packages/workflow-dashboard/src/editor/utils/use-click-out.tsx
index 99fb754..202877f 100644
--- a/packages/workflow-dashboard/src/editor/utils/use-click-out.tsx
+++ b/packages/workflow-dashboard/src/editor/utils/use-click-out.tsx
@@ -1,5 +1,4 @@
-import { useEffect, useRef } from 'react';
-
+import { useEffect, useRef } from "react";
 
 function judge(container: HTMLElement, target: HTMLElement): boolean {
   if (container === target) {
@@ -8,14 +7,11 @@ function judge(container: HTMLElement, target: HTMLElement): boolean {
   if (target === document.body) {
     return false;
   }
-  let parent = target.parentElement;
+  const parent = target.parentElement;
   return parent ? judge(container, parent) : false;
 }
 
-export function useClickOutRef<T extends HTMLElement>(
-  callback: () => void,
-  delay = 0,
-) {
+export function useClickOutRef<T extends HTMLElement>(callback: () => void, delay = 0) {
   const ref = useRef<T>(null);
   const flag = useRef<boolean>(delay === 0);
 
@@ -37,8 +33,8 @@ export function useClickOutRef<T extends HTMLElement>(
         callback();
       }
     }
-    document.addEventListener('click', handle);
-    return () => document.removeEventListener('click', handle);
+    document.addEventListener("click", handle);
+    return () => document.removeEventListener("click", handle);
   }, [callback]);
 
   return ref;
diff --git a/packages/workflow-dashboard/src/index.css b/packages/workflow-dashboard/src/index.css
index f59b6ac..235adc7 100644
--- a/packages/workflow-dashboard/src/index.css
+++ b/packages/workflow-dashboard/src/index.css
@@ -33,7 +33,7 @@
   --color-sidebar: var(--sidebar);
   --color-sidebar-foreground: var(--sidebar-foreground);
   --font-heading: var(--font-sans);
-  --font-sans: 'Geist Variable', sans-serif;
+  --font-sans: "Geist Variable", sans-serif;
   --color-sidebar-ring: var(--sidebar-ring);
   --color-sidebar-border: var(--sidebar-border);
   --color-sidebar-accent-foreground: var(--sidebar-accent-foreground);
@@ -147,4 +147,4 @@ body {
   html {
     @apply font-sans;
   }
-}
\ No newline at end of file
+}
diff --git a/packages/workflow-dashboard/src/lib/utils.ts b/packages/workflow-dashboard/src/lib/utils.ts
index bd0c391..365058c 100644
--- a/packages/workflow-dashboard/src/lib/utils.ts
+++ b/packages/workflow-dashboard/src/lib/utils.ts
@@ -1,6 +1,6 @@
-import { clsx, type ClassValue } from "clsx"
-import { twMerge } from "tailwind-merge"
+import { type ClassValue, clsx } from "clsx";
+import { twMerge } from "tailwind-merge";
 
 export function cn(...inputs: ClassValue[]) {
-  return twMerge(clsx(inputs))
+  return twMerge(clsx(inputs));
 }
diff --git a/packages/workflow-dashboard/src/pages/detail.tsx b/packages/workflow-dashboard/src/pages/detail.tsx
index 9ae1147..7b72e2b 100644
--- a/packages/workflow-dashboard/src/pages/detail.tsx
+++ b/packages/workflow-dashboard/src/pages/detail.tsx
@@ -1,8 +1,8 @@
-import { useState, useEffect, useRef, type ReactNode } from "react";
-import { useParams, useNavigate, useLocation } from "react-router";
-import FlowEditor, { FlowModel, type WorkFlowSteps } from "../editor/flow.tsx";
+import { ArrowLeft, Eye, Pencil } from "lucide-react";
+import { type ReactNode, useEffect, useRef, useState } from "react";
+import { useLocation, useNavigate, useParams } from "react-router";
 import { Button } from "@/components/ui/button";
-import { ArrowLeft, Pencil, Eye } from "lucide-react";
+import FlowEditor, { FlowModel, type WorkFlowSteps } from "../editor/flow.tsx";
 
 export function DetailPage(): ReactNode {
   const { name } = useParams<{ name: string }>();
@@ -44,18 +44,18 @@ export function DetailPage(): ReactNode {
         if (!cancelled) navigate("/");
       });
 
-    return () => { cancelled = true; };
+    return () => {
+      cancelled = true;
+    };
   }, [name, navigate]);
 
   if (loading) {
     return (
-      <div className="flex h-full items-center justify-center text-muted-foreground">
-        加载中...
-      </div>
+      <div className="flex h-full items-center justify-center text-muted-foreground">加载中...</div>
     );
   }
 
-  const basePath = `/workflow/${encodeURIComponent(name!)}`;
+  const basePath = `/workflow/${encodeURIComponent(name ?? "")}`;
 
   return (
     <div className="flex h-full flex-col">
@@ -66,29 +66,19 @@ export function DetailPage(): ReactNode {
         <h1 className="text-base font-medium">{name}</h1>
         <div className="flex-1" />
         {editing ? (
-          <Button
-            variant="outline"
-            size="sm"
-            onClick={() => navigate(basePath)}
-          >
+          <Button variant="outline" size="sm" onClick={() => navigate(basePath)}>
             <Eye className="size-3.5" data-icon="inline-start" />
             预览
           </Button>
         ) : (
-          <Button
-            variant="outline"
-            size="sm"
-            onClick={() => navigate(`${basePath}/edit`)}
-          >
+          <Button variant="outline" size="sm" onClick={() => navigate(`${basePath}/edit`)}>
             <Pencil className="size-3.5" data-icon="inline-start" />
             编辑
           </Button>
         )}
         {saving && <span className="text-xs text-muted-foreground">保存中...</span>}
       </div>
-      <div className="flex-1">
-        {model && <FlowEditor model={model} readonly={!editing} />}
-      </div>
+      <div className="flex-1">{model && <FlowEditor model={model} readonly={!editing} />}</div>
     </div>
   );
 }
diff --git a/packages/workflow-dashboard/src/pages/editor.tsx b/packages/workflow-dashboard/src/pages/editor.tsx
index f5b70c4..0d0f64d 100644
--- a/packages/workflow-dashboard/src/pages/editor.tsx
+++ b/packages/workflow-dashboard/src/pages/editor.tsx
@@ -1,4 +1,4 @@
-import { useState, useEffect, type ReactNode } from "react";
+import { type ReactNode, useState } from "react";
 import FlowEditor, { FlowModel, type WorkFlowSteps } from "../editor/flow.tsx";
 
 const DEFAULT_STEPS: WorkFlowSteps = [
diff --git a/packages/workflow-dashboard/src/pages/home.tsx b/packages/workflow-dashboard/src/pages/home.tsx
index 66b3290..516442c 100644
--- a/packages/workflow-dashboard/src/pages/home.tsx
+++ b/packages/workflow-dashboard/src/pages/home.tsx
@@ -1,19 +1,19 @@
-import { useState, useEffect, useCallback, type ReactNode, type FormEvent } from "react";
+import { Plus, Trash2, Workflow } from "lucide-react";
+import { type FormEvent, type ReactNode, useCallback, useEffect, useState } from "react";
 import { useNavigate } from "react-router";
 import { Button } from "@/components/ui/button";
-import { Card, CardHeader, CardTitle, CardDescription, CardAction } from "@/components/ui/card";
+import { Card, CardAction, CardDescription, CardHeader, CardTitle } from "@/components/ui/card";
 import {
   Dialog,
   DialogContent,
-  DialogHeader,
-  DialogTitle,
   DialogDescription,
   DialogFooter,
+  DialogHeader,
+  DialogTitle,
   DialogTrigger,
 } from "@/components/ui/dialog";
 import { Input } from "@/components/ui/input";
 import { Textarea } from "@/components/ui/textarea";
-import { Plus, Trash2, Workflow } from "lucide-react";
 import type { WorkflowSummary } from "../../shared/types.ts";
 
 export function HomePage(): ReactNode {
diff --git a/packages/workflow-dashboard/src/router.tsx b/packages/workflow-dashboard/src/router.tsx
index 0d4de1f..838abff 100644
--- a/packages/workflow-dashboard/src/router.tsx
+++ b/packages/workflow-dashboard/src/router.tsx
@@ -1,7 +1,7 @@
 import { createBrowserRouter } from "react-router";
 import { Layout } from "./app.tsx";
-import { HomePage } from "./pages/home.tsx";
 import { DetailPage } from "./pages/detail.tsx";
+import { HomePage } from "./pages/home.tsx";
 
 export const router = createBrowserRouter([
   {
diff --git a/packages/workflow-dashboard/vite-dev.ts b/packages/workflow-dashboard/vite-dev.ts
index 90709cc..34127ac 100644
--- a/packages/workflow-dashboard/vite-dev.ts
+++ b/packages/workflow-dashboard/vite-dev.ts
@@ -1,5 +1,5 @@
-import type { Plugin } from "vite";
 import type { IncomingMessage } from "node:http";
+import type { Plugin } from "vite";
 import { createApi } from "./server/api.ts";
 
 function buildRequest(req: IncomingMessage, body: string | null): Request {
diff --git a/packages/workflow-util/__tests__/process-logger.test.ts b/packages/workflow-util/__tests__/process-logger.test.ts
index f487f8d..2772046 100644
--- a/packages/workflow-util/__tests__/process-logger.test.ts
+++ b/packages/workflow-util/__tests__/process-logger.test.ts
@@ -1,7 +1,7 @@
+import { afterEach, describe, expect, test } from "bun:test";
 import { mkdirSync, mkdtempSync, readFileSync, rmSync } from "node:fs";
 import { tmpdir } from "node:os";
 import { join } from "node:path";
-import { afterEach, describe, expect, test } from "bun:test";
 
 import { createProcessLogger } from "../src/process-logger/index.js";
 
diff --git a/packages/workflow-util/src/index.ts b/packages/workflow-util/src/index.ts
index 362f039..dad2e81 100644
--- a/packages/workflow-util/src/index.ts
+++ b/packages/workflow-util/src/index.ts
@@ -13,13 +13,13 @@ export {
   validateFrontmatter,
 } from "./frontmatter-markdown/index.js";
 export { createLogger } from "./logger.js";
-export { createProcessLogger } from "./process-logger/index.js";
 export type {
   CreateProcessLoggerOptions,
   ProcessLogFn,
   ProcessLogger,
   ProcessLoggerContext,
 } from "./process-logger/index.js";
+export { createProcessLogger } from "./process-logger/index.js";
 export { normalizeRefsField } from "./refs-field.js";
 export { err, ok } from "./result.js";
 export { getDefaultWorkflowStorageRoot, getGlobalCasDir } from "./storage-root.js";