diff --git a/components/canvas/RealtimeCanvasDialog.tsx b/components/canvas/RealtimeCanvasDialog.tsx
index 29c1315b6..1c6ad0a37 100644
--- a/components/canvas/RealtimeCanvasDialog.tsx
+++ b/components/canvas/RealtimeCanvasDialog.tsx
@@ -18,7 +18,10 @@ import {
 } from "@/components/ui/dialog";
 import { Button } from "@/components/ui/button";
 import { Input } from "@/components/ui/input";
+import { Popover, PopoverContent, PopoverTrigger } from "@/components/ui/popover";
 import { Slider } from "@/components/ui/slider";
+import { Textarea } from "@/components/ui/textarea";
+import { Tooltip, TooltipContent, TooltipProvider, TooltipTrigger } from "@/components/ui/tooltip";
 import { cn } from "@/lib/utils";
 import { buildImageProxyUrl } from "@/lib/image-delivery";
 import {
@@ -35,6 +38,7 @@ import {
   Upload,
   Sparkles,
   Save,
+  SlidersHorizontal,
   Undo2,
   Redo2,
   Send,
@@ -2431,6 +2435,34 @@ export function RealtimeCanvasDialog({
     setStatusMessage("新建空白项目");
   }, [clearPreviewCanvas, resetCanvas]);
 
+  const compactToolButtonClass =
+    "h-10 w-10 rounded-[18px] text-zinc-600 transition hover:bg-zinc-100 hover:text-zinc-900";
+  const compactToolButtonActiveClass = "bg-black text-white hover:bg-black hover:text-white";
+  const currentModeLabel =
+    brushMode === "select"
+      ? "鼠标"
+      : brushMode === "brush"
+        ? "画笔"
+        : brushMode === "eraser"
+          ? "橡皮"
+          : brushMode === "rect"
+            ? "矩形"
+            : brushMode === "circle"
+              ? "圆形"
+              : "直线";
+  const currentModeDescription =
+    brushMode === "select"
+      ? "选择图层并拖动位置"
+      : brushMode === "brush"
+        ? "在画布上自由绘制"
+        : brushMode === "eraser"
+          ? "擦除已有草图笔触"
+          : brushMode === "rect"
+            ? "绘制矩形轮廓"
+            : brushMode === "circle"
+              ? "绘制圆形轮廓"
+              : "绘制直线轮廓";
+
   const content = (
     <>
         {standalone ? (
@@ -2444,7 +2476,7 @@ export function RealtimeCanvasDialog({
             <DialogDescription>左侧绘制草图，右侧实时预览。</DialogDescription>
           </DialogHeader>
         )}
-        <div className="absolute left-4 right-4 top-4 z-50 pointer-events-none">
+        <div className="hidden absolute left-4 right-4 top-4 z-50 pointer-events-none">
           <div className="pointer-events-auto rounded-[24px] border border-black/10 bg-white/98 shadow-[0_12px_36px_rgba(15,23,42,0.1)]">
             <div className="flex items-center gap-2 overflow-x-auto px-2 py-2 [-ms-overflow-style:none] [scrollbar-width:none] [&::-webkit-scrollbar]:hidden">
               <div className="flex h-10 shrink-0 items-center gap-2 rounded-full border border-black/10 bg-zinc-50 px-3">
@@ -3027,40 +3059,399 @@ export function RealtimeCanvasDialog({
           className="hidden"
           onChange={handleSketchUpload}
         />
-        <div className="absolute bottom-5 left-1/2 z-20 w-[min(760px,calc(100vw-2rem))] -translate-x-1/2 pointer-events-none">
-          <div className="pointer-events-auto flex items-center gap-2 rounded-[22px] border border-black/10 bg-white/96 px-2 py-2 shadow-[0_12px_40px_rgba(15,23,42,0.12)]">
-            <div className="flex h-9 w-9 shrink-0 items-center justify-center rounded-full bg-primary/10 text-primary">
-              <Sparkles className="h-4 w-4" />
+        <div className="absolute bottom-5 left-1/2 z-30 flex w-[min(1100px,calc(100vw-2rem))] -translate-x-1/2 flex-col items-center gap-3 pointer-events-none">
+          <TooltipProvider delayDuration={120}>
+            <div className="pointer-events-auto flex max-w-full items-center gap-2 overflow-x-auto [-ms-overflow-style:none] [scrollbar-width:none] [&::-webkit-scrollbar]:hidden">
+              <div className="flex shrink-0 items-center gap-1 rounded-[28px] border border-black/10 bg-white/94 px-2 py-2 shadow-[0_14px_40px_rgba(15,23,42,0.14)]">
+                <Tooltip>
+                  <TooltipTrigger asChild>
+                    <Button
+                      type="button"
+                      size="icon"
+                      variant="ghost"
+                      className={cn(compactToolButtonClass, brushMode === "select" && compactToolButtonActiveClass)}
+                      onClick={() => {
+                        setSelectedLayerId(DRAW_LAYER_ID);
+                        setBrushMode("select");
+                      }}
+                    >
+                      <MousePointer2 className="h-4.5 w-4.5" />
+                    </Button>
+                  </TooltipTrigger>
+                  <TooltipContent>
+                    <div className="text-sm font-medium">鼠标</div>
+                    <div className="text-xs text-zinc-500">选择图层并拖动位置</div>
+                  </TooltipContent>
+                </Tooltip>
+                <Tooltip>
+                  <TooltipTrigger asChild>
+                    <Button
+                      type="button"
+                      size="icon"
+                      variant="ghost"
+                      className={cn(compactToolButtonClass, brushMode === "brush" && compactToolButtonActiveClass)}
+                      onClick={() => {
+                        setSelectedLayerId(DRAW_LAYER_ID);
+                        setBrushMode("brush");
+                      }}
+                    >
+                      <Paintbrush className="h-4.5 w-4.5" />
+                    </Button>
+                  </TooltipTrigger>
+                  <TooltipContent>
+                    <div className="text-sm font-medium">画笔</div>
+                    <div className="text-xs text-zinc-500">在画布上自由绘制</div>
+                  </TooltipContent>
+                </Tooltip>
+                <Tooltip>
+                  <TooltipTrigger asChild>
+                    <Button
+                      type="button"
+                      size="icon"
+                      variant="ghost"
+                      className={cn(compactToolButtonClass, brushMode === "eraser" && compactToolButtonActiveClass)}
+                      onClick={() => {
+                        setSelectedLayerId(DRAW_LAYER_ID);
+                        setBrushMode("eraser");
+                      }}
+                    >
+                      <Eraser className="h-4.5 w-4.5" />
+                    </Button>
+                  </TooltipTrigger>
+                  <TooltipContent>
+                    <div className="text-sm font-medium">橡皮</div>
+                    <div className="text-xs text-zinc-500">擦除当前草图笔触</div>
+                  </TooltipContent>
+                </Tooltip>
+                <Tooltip>
+                  <Popover>
+                    <TooltipTrigger asChild>
+                      <PopoverTrigger asChild>
+                        <Button
+                          type="button"
+                          size="icon"
+                          variant="ghost"
+                          className={cn(compactToolButtonClass, isShapeMode(brushMode) && compactToolButtonActiveClass)}
+                        >
+                          <Square className="h-4.5 w-4.5" />
+                        </Button>
+                      </PopoverTrigger>
+                    </TooltipTrigger>
+                    <PopoverContent className="w-[220px] rounded-[20px] border-black/10 bg-white/95 p-3 shadow-[0_16px_44px_rgba(15,23,42,0.14)]">
+                      <div className="mb-2 text-xs font-medium text-zinc-500">形状工具</div>
+                      <div className="grid grid-cols-3 gap-2">
+                        <Button
+                          type="button"
+                          variant="ghost"
+                          className={cn("h-12 rounded-2xl", brushMode === "rect" && "bg-black text-white hover:bg-black")}
+                          onClick={() => {
+                            setSelectedLayerId(DRAW_LAYER_ID);
+                            setBrushMode("rect");
+                          }}
+                        >
+                          <Square className="h-4.5 w-4.5" />
+                        </Button>
+                        <Button
+                          type="button"
+                          variant="ghost"
+                          className={cn("h-12 rounded-2xl", brushMode === "circle" && "bg-black text-white hover:bg-black")}
+                          onClick={() => {
+                            setSelectedLayerId(DRAW_LAYER_ID);
+                            setBrushMode("circle");
+                          }}
+                        >
+                          <CircleIcon className="h-4.5 w-4.5" />
+                        </Button>
+                        <Button
+                          type="button"
+                          variant="ghost"
+                          className={cn("h-12 rounded-2xl", brushMode === "line" && "bg-black text-white hover:bg-black")}
+                          onClick={() => {
+                            setSelectedLayerId(DRAW_LAYER_ID);
+                            setBrushMode("line");
+                          }}
+                        >
+                          <Slash className="h-4.5 w-4.5" />
+                        </Button>
+                      </div>
+                    </PopoverContent>
+                  </Popover>
+                  <TooltipContent>
+                    <div className="text-sm font-medium">形状</div>
+                    <div className="text-xs text-zinc-500">矩形、圆形与直线</div>
+                  </TooltipContent>
+                </Tooltip>
+              </div>
+
+              <div className="flex shrink-0 items-center gap-1 rounded-[28px] border border-black/10 bg-white/94 px-2 py-2 shadow-[0_14px_40px_rgba(15,23,42,0.14)]">
+                <Tooltip>
+                  <Popover>
+                    <TooltipTrigger asChild>
+                      <PopoverTrigger asChild>
+                        <Button
+                          type="button"
+                          size="icon"
+                          variant="ghost"
+                          className={compactToolButtonClass}
+                        >
+                          <SlidersHorizontal className="h-4.5 w-4.5" />
+                        </Button>
+                      </PopoverTrigger>
+                    </TooltipTrigger>
+                    <PopoverContent className="w-[260px] rounded-[20px] border-black/10 bg-white/95 p-4 shadow-[0_16px_44px_rgba(15,23,42,0.14)]">
+                      <div className="space-y-4">
+                        <div className="space-y-2">
+                          <div className="text-xs font-medium text-zinc-500">颜色</div>
+                          <button
+                            type="button"
+                            className="flex h-11 w-full items-center justify-between rounded-2xl border border-black/10 bg-white px-3 text-sm font-medium text-zinc-700"
+                            onClick={() => colorInputRef.current?.click()}
+                          >
+                            <span>选择颜色</span>
+                            <span
+                              className="h-5 w-5 rounded-full border border-black/10"
+                              style={{ backgroundColor: brushColor }}
+                            />
+                          </button>
+                          <input
+                            ref={colorInputRef}
+                            type="color"
+                            value={brushColor}
+                            onChange={(event) => setBrushColor(event.target.value)}
+                            className="sr-only"
+                            title="自定义颜色"
+                          />
+                        </div>
+                        <div className="space-y-2">
+                          <div className="flex items-center justify-between text-xs font-medium text-zinc-500">
+                            <span>粗细</span>
+                            <span className="w-8 text-right text-zinc-900">{brushSize}</span>
+                          </div>
+                          <Slider
+                            value={[brushSize]}
+                            min={2}
+                            max={50}
+                            step={1}
+                            onValueChange={([val]) => setBrushSize(val)}
+                            className="w-full"
+                            trackClassName="h-2.5 bg-zinc-200 shadow-inner"
+                            rangeClassName="bg-black"
+                            thumbClassName="h-5 w-5 border border-zinc-300 bg-white shadow-sm"
+                          />
+                        </div>
+                      </div>
+                    </PopoverContent>
+                  </Popover>
+                  <TooltipContent>
+                    <div className="text-sm font-medium">画笔设置</div>
+                    <div className="text-xs text-zinc-500">调整颜色和粗细</div>
+                  </TooltipContent>
+                </Tooltip>
+              </div>
+
+              <div className="flex shrink-0 items-center gap-1 rounded-[28px] border border-black/10 bg-white/94 px-2 py-2 shadow-[0_14px_40px_rgba(15,23,42,0.14)]">
+                <Tooltip>
+                  <TooltipTrigger asChild>
+                    <Button
+                      type="button"
+                      size="icon"
+                      variant="ghost"
+                      className={compactToolButtonClass}
+                      onClick={() => uploadInputRef.current?.click()}
+                    >
+                      <Upload className="h-4.5 w-4.5" />
+                    </Button>
+                  </TooltipTrigger>
+                  <TooltipContent>
+                    <div className="text-sm font-medium">上传图片</div>
+                    <div className="text-xs text-zinc-500">添加新的图片图层</div>
+                  </TooltipContent>
+                </Tooltip>
+                <Tooltip>
+                  <TooltipTrigger asChild>
+                    <Button
+                      type="button"
+                      size="icon"
+                      variant="ghost"
+                      className={compactToolButtonClass}
+                      onClick={() => void saveCurrentProject()}
+                    >
+                      <Save className="h-4.5 w-4.5" />
+                    </Button>
+                  </TooltipTrigger>
+                  <TooltipContent>
+                    <div className="text-sm font-medium">保存项目</div>
+                    <div className="text-xs text-zinc-500">保存当前画布状态</div>
+                  </TooltipContent>
+                </Tooltip>
+                <Tooltip>
+                  <TooltipTrigger asChild>
+                    <Button
+                      type="button"
+                      size="icon"
+                      variant="ghost"
+                      className={compactToolButtonClass}
+                      onClick={() => {
+                        refreshSavedProjects();
+                        setProjectPanelOpen((openState) => !openState);
+                      }}
+                    >
+                      <FolderOpen className="h-4.5 w-4.5" />
+                    </Button>
+                  </TooltipTrigger>
+                  <TooltipContent>
+                    <div className="text-sm font-medium">项目列表</div>
+                    <div className="text-xs text-zinc-500">打开已保存项目</div>
+                  </TooltipContent>
+                </Tooltip>
+                <Tooltip>
+                  <TooltipTrigger asChild>
+                    <Button
+                      type="button"
+                      size="icon"
+                      variant="ghost"
+                      className={compactToolButtonClass}
+                      onClick={startBlankProject}
+                    >
+                      <Plus className="h-4.5 w-4.5" />
+                    </Button>
+                  </TooltipTrigger>
+                  <TooltipContent>
+                    <div className="text-sm font-medium">新建空白</div>
+                    <div className="text-xs text-zinc-500">清空并开始新项目</div>
+                  </TooltipContent>
+                </Tooltip>
+              </div>
+
+              <div className="flex shrink-0 items-center gap-1 rounded-[28px] border border-black/10 bg-white/94 px-2 py-2 shadow-[0_14px_40px_rgba(15,23,42,0.14)]">
+                <Tooltip>
+                  <TooltipTrigger asChild>
+                    <Button
+                      type="button"
+                      size="icon"
+                      variant="ghost"
+                      className={compactToolButtonClass}
+                      onClick={undo}
+                      disabled={!canUndo}
+                    >
+                      <Undo2 className="h-4.5 w-4.5" />
+                    </Button>
+                  </TooltipTrigger>
+                  <TooltipContent>
+                    <div className="text-sm font-medium">撤销</div>
+                    <div className="text-xs text-zinc-500">回退上一步编辑</div>
+                  </TooltipContent>
+                </Tooltip>
+                <Tooltip>
+                  <TooltipTrigger asChild>
+                    <Button
+                      type="button"
+                      size="icon"
+                      variant="ghost"
+                      className={compactToolButtonClass}
+                      onClick={redo}
+                      disabled={!canRedo}
+                    >
+                      <Redo2 className="h-4.5 w-4.5" />
+                    </Button>
+                  </TooltipTrigger>
+                  <TooltipContent>
+                    <div className="text-sm font-medium">重做</div>
+                    <div className="text-xs text-zinc-500">恢复已撤销操作</div>
+                  </TooltipContent>
+                </Tooltip>
+                {standalone ? (
+                  <Tooltip>
+                    <TooltipTrigger asChild>
+                      <Button
+                        type="button"
+                        size="icon"
+                        variant="ghost"
+                        className="h-10 w-10 rounded-[18px] bg-black text-white transition hover:bg-black/90 hover:text-white"
+                        onClick={() => onOpenChange(false)}
+                      >
+                        <X className="h-4.5 w-4.5" />
+                      </Button>
+                    </TooltipTrigger>
+                    <TooltipContent>
+                      <div className="text-sm font-medium">关闭页面</div>
+                      <div className="text-xs text-zinc-500">返回上一层画布</div>
+                    </TooltipContent>
+                  </Tooltip>
+                ) : null}
+              </div>
             </div>
-            <Input
+          </TooltipProvider>
+
+          <div className="pointer-events-auto w-full rounded-[34px] border border-black/10 bg-white/96 p-6 shadow-[0_20px_48px_rgba(15,23,42,0.16)]">
+            <Textarea
               value={prompt}
               onChange={(e) => setPrompt(e.target.value)}
               onBlur={() => scheduleFlush(true, false)}
+              onKeyDown={(event) => {
+                if ((event.metaKey || event.ctrlKey) && event.key === "Enter") {
+                  event.preventDefault();
+                  triggerGenerate();
+                }
+              }}
               placeholder="输入指令，基于当前画布实时生成"
-              className="h-9 flex-1 border-0 bg-transparent px-1 text-sm shadow-none focus-visible:ring-0"
+              className="min-h-[138px] resize-none border-0 bg-transparent p-0 text-base leading-8 shadow-none focus-visible:ring-0 focus-visible:ring-offset-0"
             />
-            <Button
-              size="sm"
-              className="h-9 shrink-0 rounded-full bg-black px-4 font-medium text-white hover:bg-black/90"
-              onClick={triggerGenerate}
-              disabled={status === "connecting"}
-            >
-              {status === "connecting" ? (
-                <Loader2 className="h-4 w-4 animate-spin" />
-              ) : (
-                "生成"
-              )}
-            </Button>
-            <Button
-              size="sm"
-              variant="outline"
-              className="h-9 shrink-0 rounded-full px-4 font-medium"
-              onClick={handleApplyToCanvas}
-              disabled={!previewUrl}
-            >
-              <Send className="mr-1.5 h-4 w-4" />
-              发送到画布
-            </Button>
+            <div className="mt-5 flex flex-col gap-3 sm:flex-row sm:items-end sm:justify-between">
+              <div className="flex flex-wrap items-center gap-2">
+                <span
+                  className={cn(
+                    "flex items-center gap-1.5 rounded-full px-3 py-2 text-xs font-medium",
+                    statusBadge.className
+                  )}
+                >
+                  <span
+                    className={cn(
+                      "h-2 w-2 rounded-full",
+                      status === "live"
+                        ? "bg-emerald-500 animate-pulse"
+                        : status === "error"
+                          ? "bg-rose-500"
+                          : "bg-zinc-400"
+                    )}
+                  />
+                  {statusBadge.label}
+                </span>
+                <span className="rounded-full bg-zinc-100 px-3 py-2 text-xs text-zinc-600">
+                  延迟 {adaptiveThrottleMs}ms
+                </span>
+                <span className="rounded-full bg-black px-3 py-2 text-xs font-medium text-white">
+                  当前工具 {currentModeLabel}
+                </span>
+                <span className="rounded-full bg-zinc-100 px-3 py-2 text-xs text-zinc-600">
+                  {currentModeDescription}
+                </span>
+              </div>
+              <div className="flex items-center gap-2">
+                <Button
+                  size="sm"
+                  className="h-10 shrink-0 rounded-full bg-black px-5 font-medium text-white hover:bg-black/90"
+                  onClick={triggerGenerate}
+                  disabled={status === "connecting"}
+                >
+                  {status === "connecting" ? (
+                    <Loader2 className="h-4 w-4 animate-spin" />
+                  ) : (
+                    "生成"
+                  )}
+                </Button>
+                <Button
+                  size="sm"
+                  variant="outline"
+                  className="h-10 shrink-0 rounded-full px-5 font-medium"
+                  onClick={handleApplyToCanvas}
+                  disabled={!previewUrl}
+                >
+                  <Send className="mr-1.5 h-4 w-4" />
+                  发送到画布
+                </Button>
+              </div>
+            </div>
           </div>
         </div>
     </>
@@ -3076,7 +3467,7 @@ export function RealtimeCanvasDialog({
 
   return (
     <Dialog open={open} onOpenChange={onOpenChange}>
-      <DialogContent className="h-[95vh] w-[98vw] max-w-[1800px] overflow-hidden rounded-[20px] border-0 bg-background p-0 shadow-2xl sm:rounded-[20px] md:rounded-[24px]">
+      <DialogContent className="h-[97vh] w-[98vw] max-w-[1800px] overflow-hidden rounded-[20px] border-0 bg-background p-0 shadow-2xl sm:rounded-[20px] md:rounded-[24px]">
         {content}
       </DialogContent>
     </Dialog>