merge: 合并远程PR#12商业化打磨和PR#13修复

src/features/canvas/CanvasPage.tsx

@@ -26,7 +26,6 @@
   VideoCameraOutlined,
 } from "@ant-design/icons";
 import {
-  Background,
   ReactFlow,
 } from "@xyflow/react";
 import { useCallback, useEffect, useMemo, useRef, useState, type ChangeEvent, type CSSProperties, type MouseEvent, type WheelEvent } from "react";
@@ -3560,7 +3559,8 @@ function CanvasPage({
           onMouseMove={(shouldShowEmptyProjectState || isWaitingForProjects) ? undefined : handleCanvasMouseMove}
           onWheel={(shouldShowEmptyProjectState || isWaitingForProjects) ? undefined : handleCanvasWheel}
           style={{
-            "--canvas-bg-size": `${24 * canvasViewport.zoom}px`,
+            "--canvas-bg-size": `${34 * canvasViewport.zoom}px`,
+            "--canvas-bg-dot": `${1.35 * canvasViewport.zoom}px`,
             "--canvas-bg-x": `${canvasViewport.x}px`,
             "--canvas-bg-y": `${canvasViewport.y}px`,
             cursor: canvasPanDrag ? "grabbing" : spacePanning ? "grab" : undefined,
@@ -3748,9 +3748,7 @@ function CanvasPage({
             proOptions={{ hideAttribution: true }}
             onPaneClick={(shouldShowEmptyProjectState || isWaitingForProjects) ? undefined : handlePaneClick}
             onPaneContextMenu={(shouldShowEmptyProjectState || isWaitingForProjects) ? undefined : handlePaneContextMenu}
-          >
-            <Background gap={24} color="transparent" className="studio-canvas__background" />
-          </ReactFlow>
+          />
           <div className="studio-canvas-zoom-controls" onMouseDown={(e) => e.stopPropagation()}>
             <button type="button" title="缩小" onClick={zoomCanvasOut}>−</button>
             <button type="button" className="studio-canvas-zoom-controls__pct" title="重置缩放" onClick={resetCanvasZoom}>