feat(web): 积分中心 - 改为全局弹窗并去掉独立钱包页

顶栏、账户菜单、命令面板、画布余额和 /wallet 回跳都打开同一积分中心弹窗，支付结果不再跳进整页超市。

Co-authored-by: Cursor <cursoragent@cursor.com>

web/src/pages/canvas/canvas-project-top-bar.tsx

@@ -4,6 +4,7 @@ import { Clapperboard, CloudDownload, CloudUpload, Coins, CopyPlus, Focus, Folde
 import { Button, Dropdown, Tooltip } from "antd";
 
 import { useWalletBalance } from "@/hooks/use-wallet-balance";
+import { openWorkspaceWallet } from "@/lib/workspace-wallet";
 import { canvasDockStyle } from "@/lib/canvas/canvas-aceternity-style";
 import type { CanvasContextSummary } from "@/lib/canvas/canvas-context-summary";
 import type { CanvasShortDramaProgress } from "@/lib/canvas/canvas-short-drama";
@@ -232,16 +233,17 @@ export function CanvasTopBar({
                         </Dropdown>
                     </CanvasTopBarTooltip>
                     {user && creditsEnabled ? (
-                        <CanvasTopBarTooltip label="进入积分超市">
-                            <Link
-                                to="/wallet"
+                        <CanvasTopBarTooltip label="打开积分中心">
+                            <button
+                                type="button"
                                 className="canvas-topbar-action inline-flex h-9 min-w-[5.5rem] items-center justify-center gap-1.5 rounded-lg px-2.5 text-xs font-medium tabular-nums"
                                 style={{ color: theme.node.text }}
-                                aria-label="进入积分超市"
+                                aria-label="打开积分中心"
+                                onClick={() => openWorkspaceWallet()}
                             >
                                 {refreshing && availableMicrocredits === null ? <LoaderCircle className="size-3.5 animate-spin opacity-60" style={{ color: theme.accent.primary }} /> : <Coins className="size-3.5" style={{ color: theme.accent.primary }} />}
                                 <span>{availableMicrocredits === null ? "--" : (availableMicrocredits / 1_000_000).toLocaleString("zh-CN", { maximumFractionDigits: 3 })}</span>
-                            </Link>
+                            </button>
                         </CanvasTopBarTooltip>
                     ) : null}
                     <CanvasTopBarTooltip label="进入专注模式（Shift + Ctrl/Cmd + F）">