style: 工具栏流程名居中显示；移除顶栏页面徽标

src/renderer/src/App.tsx

@@ -1,5 +1,5 @@
 import { useCallback, useEffect, useState } from "react";
-import { Bot, CircleAlert, Loader2, ListChecks, Sparkles } from "lucide-react";
+import { Bot, CircleAlert, Loader2, ListChecks } from "lucide-react";
 import type { Catalog, FlowDefinition, FlowSummary } from "@shared/types";
 import { useEditorStore } from "./store/editorStore";
 import { useRunStore } from "./store/runStore";
@@ -18,13 +18,6 @@ interface ToastState {
   kind: "ok" | "error";
 }
 
-const PAGE_LABEL: Record<Page, string> = {
-  tasks: "编排",
-  editor: "流程编排",
-  runs: "运行中心",
-  settings: "设置"
-};
-
 function normalizeLegacyLinearLayout(flow: FlowDefinition): FlowDefinition {
   const topLevel = flow.nodes.filter((node) => !node.parentId);
   if (topLevel.length < 2) return flow;
@@ -208,11 +201,6 @@ export function App() {
           </span>
           <strong>RPA Studio</strong>
         </div>
-        <span className="titlebar-divider" />
-        <span className="workspace-chip">
-          {page === "tasks" ? <ListChecks className="icon" /> : page === "editor" ? <Sparkles className="icon" /> : page === "runs" ? <railIcons.runs className="icon" /> : <railIcons.settings className="icon" />}
-          {PAGE_LABEL[page]}
-        </span>
         <div className="titlebar-right">
           <span className="engine-chip" title="运行期完全离线">
             <span className="engine-dot" />

src/renderer/src/styles/app.css

@@ -597,15 +597,24 @@ textarea:focus-visible {
   flex: 1;
 }
 
+.canvas-toolbar .editor-breadcrumb {
+  flex: 1;
+  min-width: 0;
+}
+
+.canvas-toolbar .toolbar-actions {
+  flex: 1;
+  justify-content: flex-end;
+}
+
 .flow-meta {
   min-width: 0;
   flex: none;
   max-width: 300px;
   display: flex;
   flex-direction: column;
-  align-items: flex-end;
+  align-items: center;
   gap: 2px;
-  margin-right: 6px;
 }
 
 .flow-name {
@@ -619,7 +628,7 @@ textarea:focus-visible {
   min-width: 0;
   width: auto;
   max-width: 100%;
-  text-align: right;
+  text-align: center;
 }
 
 .flow-name:focus {
@@ -630,7 +639,7 @@ textarea:focus-visible {
 .flow-sub {
   display: flex;
   align-items: center;
-  justify-content: flex-end;
+  justify-content: center;
   gap: 6px;
   color: var(--muted);
   font-size: 10.5px;