merge: retire Canvas inspiration entry

# Conflicts:
#	README.md
#	src/components/layout/MainLayout.tsx
#	src/components/layout/Sidebar.tsx
#	tests/e2e/image-workspace-v2.spec.ts
#	tests/unit/app-module-provider-gate.test.tsx
#	tests/unit/title-bar.test.tsx

src/pages/ImageCanvas/DesignWorksRail.tsx

@@ -1,7 +1,6 @@
 import { useEffect, useMemo, useState } from 'react';
 import {
   FolderKanban,
-  Lightbulb,
   Loader2,
   Pencil,
   Plus,
@@ -277,19 +276,6 @@ export function DesignWorksRail({
         )}
       </div>
 
-      <footer className="shrink-0 border-t border-border/60 p-3">
-        <button
-          type="button"
-          className="flex h-9 w-full items-center gap-2 rounded-xl px-2.5 text-xs font-medium text-muted-foreground hover:bg-surface-subtle hover:text-foreground"
-          onClick={() => {
-            window.location.hash = '/image-prompts';
-          }}
-        >
-          <Lightbulb className="h-4 w-4" />
-          获取灵感
-        </button>
-      </footer>
-
       <Dialog open={dialog !== null} onOpenChange={(open) => !open && !saving && setDialog(null)}>
         <DialogContent className="sm:max-w-md">
           <DialogHeader>