refactor(canvas): unify node handles with shared wrapper

components/canvas/__tests__/compare-node.test.tsx

@@ -28,6 +28,31 @@ vi.mock("@xyflow/react", () => ({
   useStore: (selector: (state: StoreState) => unknown) => selector(storeState),
 }));
 
+vi.mock("@/components/canvas/canvas-handle", () => ({
+  default: ({
+    id,
+    type,
+    nodeId,
+    nodeType,
+    style,
+  }: {
+    id?: string;
+    type: "source" | "target";
+    nodeId: string;
+    nodeType?: string;
+    style?: React.CSSProperties;
+  }) => (
+    <div
+      data-canvas-handle="true"
+      data-handle-id={id ?? ""}
+      data-handle-type={type}
+      data-node-id={nodeId}
+      data-node-type={nodeType ?? ""}
+      data-top={typeof style?.top === "string" ? style.top : ""}
+    />
+  ),
+}));
+
 vi.mock("../nodes/base-node-wrapper", () => ({
   default: ({ children }: { children: React.ReactNode }) => <div>{children}</div>,
 }));
@@ -261,4 +286,35 @@ describe("CompareNode render preview inputs", () => {
       },
     });
   });
+
+  it("renders compare handles through CanvasHandle with preserved ids and positions", () => {
+    const markup = renderCompareNode({
+      id: "compare-1",
+      data: {},
+      selected: false,
+      dragging: false,
+      zIndex: 0,
+      isConnectable: true,
+      type: "compare",
+      xPos: 0,
+      yPos: 0,
+      width: 500,
+      height: 380,
+      sourcePosition: undefined,
+      targetPosition: undefined,
+      positionAbsoluteX: 0,
+      positionAbsoluteY: 0,
+    });
+
+    expect(markup).toContain('data-canvas-handle="true"');
+    expect(markup).toContain('data-node-id="compare-1"');
+    expect(markup).toContain('data-node-type="compare"');
+    expect(markup).toContain('data-handle-id="left"');
+    expect(markup).toContain('data-handle-id="right"');
+    expect(markup).toContain('data-handle-id="compare-out"');
+    expect(markup).toContain('data-handle-type="target"');
+    expect(markup).toContain('data-handle-type="source"');
+    expect(markup).toContain('data-top="35%"');
+    expect(markup).toContain('data-top="55%"');
+  });
 });

components/canvas/__tests__/mixer-node.test.tsx

@@ -17,6 +17,31 @@ vi.mock("@xyflow/react", () => ({
   Position: { Left: "left", Right: "right" },
 }));
 
+vi.mock("@/components/canvas/canvas-handle", () => ({
+  default: ({
+    id,
+    type,
+    nodeId,
+    nodeType,
+    style,
+  }: {
+    id?: string;
+    type: "source" | "target";
+    nodeId: string;
+    nodeType?: string;
+    style?: React.CSSProperties;
+  }) => (
+    <div
+      data-canvas-handle="true"
+      data-handle-id={id ?? ""}
+      data-handle-type={type}
+      data-node-id={nodeId}
+      data-node-type={nodeType ?? ""}
+      data-top={typeof style?.top === "string" ? style.top : ""}
+    />
+  ),
+}));
+
 vi.mock("@/components/canvas/canvas-sync-context", () => ({
   useCanvasSync: () => ({
     queueNodeDataUpdate: mocks.queueNodeDataUpdate,
@@ -222,8 +247,20 @@ describe("MixerNode", () => {
   it("renders expected mixer handles", async () => {
     await renderNode();
 
-    expect(container?.querySelector('[data-handle-id="base"][data-handle-type="target"]')).toBeTruthy();
+    expect(
-    expect(container?.querySelector('[data-handle-id="overlay"][data-handle-type="target"]')).toBeTruthy();
+      container?.querySelector(
-    expect(container?.querySelector('[data-handle-id="mixer-out"][data-handle-type="source"]')).toBeTruthy();
+        '[data-canvas-handle="true"][data-node-id="mixer-1"][data-node-type="mixer"][data-handle-id="base"][data-handle-type="target"][data-top="35%"]',
+      ),
+    ).toBeTruthy();
+    expect(
+      container?.querySelector(
+        '[data-canvas-handle="true"][data-node-id="mixer-1"][data-node-type="mixer"][data-handle-id="overlay"][data-handle-type="target"][data-top="58%"]',
+      ),
+    ).toBeTruthy();
+    expect(
+      container?.querySelector(
+        '[data-canvas-handle="true"][data-node-id="mixer-1"][data-node-type="mixer"][data-handle-id="mixer-out"][data-handle-type="source"]',
+      ),
+    ).toBeTruthy();
   });
 });

components/canvas/nodes/agent-node.tsx

@@ -2,7 +2,7 @@
 
 import { useCallback, useMemo, useState } from "react";
 import { Bot } from "lucide-react";
-import { Handle, Position, type Node, type NodeProps } from "@xyflow/react";
+import { Position, type Node, type NodeProps } from "@xyflow/react";
 import { useAction } from "convex/react";
 import type { FunctionReference } from "convex/server";
 import { useTranslations } from "next-intl";
@@ -33,6 +33,7 @@ import {
   SelectValue,
 } from "@/components/ui/select";
 import BaseNodeWrapper from "./base-node-wrapper";
+import CanvasHandle from "@/components/canvas/canvas-handle";
 
 type AgentNodeData = {
   templateId?: string;
@@ -466,13 +467,17 @@ export default function AgentNode({ id, data, selected }: NodeProps<AgentNodeTyp
       statusMessage={nodeData._statusMessage}
       className="min-w-[300px] border-amber-500/30"
     >
-      <Handle
+      <CanvasHandle
+        nodeId={id}
+        nodeType="agent"
         type="target"
         position={Position.Left}
         id="agent-in"
         className="!h-3 !w-3 !bg-amber-500 !border-2 !border-background"
       />
-      <Handle
+      <CanvasHandle
+        nodeId={id}
+        nodeType="agent"
         type="source"
         position={Position.Right}
         className="!h-3 !w-3 !bg-amber-500 !border-2 !border-background"

components/canvas/nodes/agent-output-node.tsx

@@ -1,9 +1,10 @@
 "use client";
 
-import { Handle, Position, type Node, type NodeProps } from "@xyflow/react";
+import { Position, type Node, type NodeProps } from "@xyflow/react";
 import { useTranslations } from "next-intl";
 
 import BaseNodeWrapper from "./base-node-wrapper";
+import CanvasHandle from "@/components/canvas/canvas-handle";
 
 type AgentOutputNodeData = {
   isSkeleton?: boolean;
@@ -186,7 +187,7 @@ function partitionSections(
   };
 }
 
-export default function AgentOutputNode({ data, selected }: NodeProps<AgentOutputNodeType>) {
+export default function AgentOutputNode({ id, data, selected }: NodeProps<AgentOutputNodeType>) {
   const t = useTranslations("agentOutputNode");
   const nodeData = data as AgentOutputNodeData;
   const isSkeleton = nodeData.isSkeleton === true;
@@ -240,7 +241,9 @@ export default function AgentOutputNode({ data, selected }: NodeProps<AgentOutpu
       statusMessage={nodeData._statusMessage}
       className={`min-w-[300px] border-amber-500/30 ${isSkeleton ? "opacity-80" : ""}`}
     >
-      <Handle
+      <CanvasHandle
+        nodeId={id}
+        nodeType="agent-output"
         type="target"
         position={Position.Left}
         id="agent-output-in"

components/canvas/nodes/ai-image-node.tsx

@@ -3,7 +3,7 @@
 import { useCallback, useState } from "react";
 import { useRouter } from "next/navigation";
 import { useTranslations } from "next-intl";
-import { Handle, Position, useReactFlow, type NodeProps, type Node } from "@xyflow/react";
+import { Position, useReactFlow, type NodeProps, type Node } from "@xyflow/react";
 import { useAction } from "convex/react";
 import { api } from "@/convex/_generated/api";
 import type { Id } from "@/convex/_generated/dataModel";
@@ -30,6 +30,7 @@ import {
   DialogContent,
   DialogTitle,
 } from "@/components/ui/dialog";
+import CanvasHandle from "@/components/canvas/canvas-handle";
 
 type AiImageNodeData = {
   storageId?: string;
@@ -194,7 +195,9 @@ export default function AiImageNode({
       ]}
       className="flex h-full w-full min-h-0 min-w-0 flex-col"
     >
-      <Handle
+      <CanvasHandle
+        nodeId={id}
+        nodeType="ai-image"
         type="target"
         position={Position.Left}
         id="prompt-in"
@@ -331,7 +334,9 @@ export default function AiImageNode({
         </div>
       )}
 
-      <Handle
+      <CanvasHandle
+        nodeId={id}
+        nodeType="ai-image"
         type="source"
         position={Position.Right}
         id="image-out"

components/canvas/nodes/ai-video-node.tsx

@@ -5,7 +5,7 @@ import { useAction } from "convex/react";
 import type { FunctionReference } from "convex/server";
 import { useTranslations } from "next-intl";
 import { AlertCircle, Download, Loader2, RefreshCw, Video } from "lucide-react";
-import { Handle, Position, useReactFlow, type Node, type NodeProps } from "@xyflow/react";
+import { Position, useReactFlow, type Node, type NodeProps } from "@xyflow/react";
 
 import { api } from "@/convex/_generated/api";
 import type { Id } from "@/convex/_generated/dataModel";
@@ -14,6 +14,7 @@ import { classifyError } from "@/lib/ai-errors";
 import { getVideoModel, type VideoModelDurationSeconds } from "@/lib/ai-video-models";
 import { toast } from "@/lib/toast";
 import BaseNodeWrapper from "./base-node-wrapper";
+import CanvasHandle from "@/components/canvas/canvas-handle";
 
 type AiVideoNodeData = {
   prompt?: string;
@@ -160,7 +161,9 @@ export default function AiVideoNode({ id, data, selected }: NodeProps<AiVideoNod
       statusMessage={nodeData._statusMessage}
       className="flex h-full w-full min-h-0 min-w-0 flex-col"
     >
-      <Handle
+      <CanvasHandle
+        nodeId={id}
+        nodeType="ai-video"
         type="target"
         position={Position.Left}
         id="video-in"
@@ -240,7 +243,9 @@ export default function AiVideoNode({ id, data, selected }: NodeProps<AiVideoNod
         ) : null}
       </div>
 
-      <Handle
+      <CanvasHandle
+        nodeId={id}
+        nodeType="ai-video"
         type="source"
         position={Position.Right}
         id="video-out"

components/canvas/nodes/asset-node.tsx

@@ -8,7 +8,7 @@ import {
   useState,
   type MouseEvent,
 } from "react";
-import { Handle, Position, useStore, type Node, type NodeProps } from "@xyflow/react";
+import { Position, useStore, type Node, type NodeProps } from "@xyflow/react";
 import { ExternalLink, ImageIcon } from "lucide-react";
 import BaseNodeWrapper from "./base-node-wrapper";
 import {
@@ -21,6 +21,7 @@ import { Button } from "@/components/ui/button";
 import { Badge } from "@/components/ui/badge";
 import { resolveMediaAspectRatio } from "@/lib/canvas-utils";
 import { useCanvasSync } from "@/components/canvas/canvas-sync-context";
+import CanvasHandle from "@/components/canvas/canvas-handle";
 
 type AssetNodeData = {
   assetId?: number;
@@ -152,7 +153,9 @@ export default function AssetNode({ id, data, selected, width, height }: NodePro
       status={data._status}
       statusMessage={data._statusMessage}
     >
-      <Handle
+      <CanvasHandle
+        nodeId={id}
+        nodeType="asset"
         type="target"
         position={Position.Left}
         className="h-3! w-3! border-2! border-background! bg-primary!"
@@ -273,7 +276,9 @@ export default function AssetNode({ id, data, selected, width, height }: NodePro
         />
       ) : null}
 
-      <Handle
+      <CanvasHandle
+        nodeId={id}
+        nodeType="asset"
         type="source"
         position={Position.Right}
         className="h-3! w-3! border-2! border-background! bg-primary!"

components/canvas/nodes/color-adjust-node.tsx

@@ -1,7 +1,7 @@
 "use client";
 
 import { useCallback, useMemo, useState } from "react";
-import { Handle, Position, type Node, type NodeProps } from "@xyflow/react";
+import { Position, type Node, type NodeProps } from "@xyflow/react";
 import { useTranslations } from "next-intl";
 import { Palette } from "lucide-react";
 
@@ -29,6 +29,7 @@ import { preserveNodeFavorite } from "@/lib/canvas-node-favorite";
 import { COLOR_PRESETS } from "@/lib/image-pipeline/presets";
 import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from "@/components/ui/select";
 import { toast } from "@/lib/toast";
+import CanvasHandle from "@/components/canvas/canvas-handle";
 
 type ColorAdjustNodeData = ColorAdjustData & {
   _status?: string;
@@ -191,7 +192,9 @@ export default function ColorAdjustNode({ id, data, selected, width }: NodeProps
       statusMessage={data._statusMessage}
       className="min-w-[300px] border-cyan-500/30"
     >
-      <Handle
+      <CanvasHandle
+        nodeId={id}
+        nodeType="color-adjust"
         type="target"
         position={Position.Left}
         className="!h-3 !w-3 !border-2 !border-background !bg-cyan-500"
@@ -268,7 +271,9 @@ export default function ColorAdjustNode({ id, data, selected, width }: NodeProps
         />
       </div>
 
-      <Handle
+      <CanvasHandle
+        nodeId={id}
+        nodeType="color-adjust"
         type="source"
         position={Position.Right}
         className="!h-3 !w-3 !border-2 !border-background !bg-cyan-500"

components/canvas/nodes/compare-node.tsx

@@ -1,7 +1,7 @@
 "use client";
 
 import { useCallback, useMemo, useRef, useState } from "react";
-import { Handle, Position, type NodeProps } from "@xyflow/react";
+import { Position, type NodeProps } from "@xyflow/react";
 import { ImageIcon } from "lucide-react";
 import BaseNodeWrapper from "./base-node-wrapper";
 import CompareSurface from "./compare-surface";
@@ -15,6 +15,7 @@ import {
   resolveMixerPreviewFromGraph,
   type MixerPreviewState,
 } from "@/lib/canvas-mixer-preview";
+import CanvasHandle from "@/components/canvas/canvas-handle";
 
 interface CompareNodeData {
   leftUrl?: string;
@@ -242,21 +243,27 @@ export default function CompareNode({ id, data, selected, width }: NodeProps) {
 
   return (
     <BaseNodeWrapper nodeType="compare" selected={selected} className="p-0">
-      <Handle
+      <CanvasHandle
+        nodeId={id}
+        nodeType="compare"
         type="target"
         position={Position.Left}
         id="left"
         style={{ top: "35%" }}
         className="!h-3 !w-3 !border-2 !border-background !bg-blue-500"
       />
-      <Handle
+      <CanvasHandle
+        nodeId={id}
+        nodeType="compare"
         type="target"
         position={Position.Left}
         id="right"
         style={{ top: "55%" }}
         className="!h-3 !w-3 !border-2 !border-background !bg-emerald-500"
       />
-      <Handle
+      <CanvasHandle
+        nodeId={id}
+        nodeType="compare"
         type="source"
         position={Position.Right}
         id="compare-out"

components/canvas/nodes/crop-node.tsx

@@ -1,7 +1,7 @@
 "use client";
 
 import { useCallback, useMemo, useRef, type PointerEvent as ReactPointerEvent } from "react";
-import { Handle, Position, type Node, type NodeProps } from "@xyflow/react";
+import { Position, type Node, type NodeProps } from "@xyflow/react";
 import { Crop } from "lucide-react";
 import { useTranslations } from "next-intl";
 
@@ -24,6 +24,7 @@ import {
 import { preserveNodeFavorite } from "@/lib/canvas-node-favorite";
 import type { Id } from "@/convex/_generated/dataModel";
 import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from "@/components/ui/select";
+import CanvasHandle from "@/components/canvas/canvas-handle";
 
 type CropNodeViewData = CropNodeData & {
   _status?: string;
@@ -400,7 +401,9 @@ export default function CropNode({ id, data, selected, width }: NodeProps<CropNo
       statusMessage={data._statusMessage}
       className="min-w-[320px] border-violet-500/30"
     >
-      <Handle
+      <CanvasHandle
+        nodeId={id}
+        nodeType="crop"
         type="target"
         position={Position.Left}
         className="!h-3 !w-3 !border-2 !border-background !bg-violet-500"
@@ -735,7 +738,9 @@ export default function CropNode({ id, data, selected, width }: NodeProps<CropNo
         {error ? <p className="text-[11px] text-destructive">{error}</p> : null}
       </div>
 
-      <Handle
+      <CanvasHandle
+        nodeId={id}
+        nodeType="crop"
         type="source"
         position={Position.Right}
         className="!h-3 !w-3 !border-2 !border-background !bg-violet-500"

components/canvas/nodes/curves-node.tsx

@@ -1,7 +1,7 @@
 "use client";
 
 import { useCallback, useMemo, useState } from "react";
-import { Handle, Position, type Node, type NodeProps } from "@xyflow/react";
+import { Position, type Node, type NodeProps } from "@xyflow/react";
 import { useTranslations } from "next-intl";
 import { TrendingUp } from "lucide-react";
 
@@ -29,6 +29,7 @@ import { preserveNodeFavorite } from "@/lib/canvas-node-favorite";
 import { CURVE_PRESETS } from "@/lib/image-pipeline/presets";
 import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from "@/components/ui/select";
 import { toast } from "@/lib/toast";
+import CanvasHandle from "@/components/canvas/canvas-handle";
 
 type CurvesNodeData = CurvesData & {
   _status?: string;
@@ -163,7 +164,9 @@ export default function CurvesNode({ id, data, selected, width }: NodeProps<Curv
       statusMessage={data._statusMessage}
       className="min-w-[300px] border-emerald-500/30"
     >
-      <Handle
+      <CanvasHandle
+        nodeId={id}
+        nodeType="curves"
         type="target"
         position={Position.Left}
         className="!h-3 !w-3 !border-2 !border-background !bg-emerald-500"
@@ -237,7 +240,9 @@ export default function CurvesNode({ id, data, selected, width }: NodeProps<Curv
         />
       </div>
 
-      <Handle
+      <CanvasHandle
+        nodeId={id}
+        nodeType="curves"
         type="source"
         position={Position.Right}
         className="!h-3 !w-3 !border-2 !border-background !bg-emerald-500"

components/canvas/nodes/detail-adjust-node.tsx

@@ -1,7 +1,7 @@
 "use client";
 
 import { useCallback, useMemo, useState } from "react";
-import { Handle, Position, type Node, type NodeProps } from "@xyflow/react";
+import { Position, type Node, type NodeProps } from "@xyflow/react";
 import { useTranslations } from "next-intl";
 import { Focus } from "lucide-react";
 
@@ -29,6 +29,7 @@ import { preserveNodeFavorite } from "@/lib/canvas-node-favorite";
 import { DETAIL_PRESETS } from "@/lib/image-pipeline/presets";
 import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from "@/components/ui/select";
 import { toast } from "@/lib/toast";
+import CanvasHandle from "@/components/canvas/canvas-handle";
 
 type DetailAdjustNodeData = DetailAdjustData & {
   _status?: string;
@@ -202,7 +203,9 @@ export default function DetailAdjustNode({ id, data, selected, width }: NodeProp
       statusMessage={data._statusMessage}
       className="min-w-[300px] border-indigo-500/30"
     >
-      <Handle
+      <CanvasHandle
+        nodeId={id}
+        nodeType="detail-adjust"
         type="target"
         position={Position.Left}
         className="!h-3 !w-3 !border-2 !border-background !bg-indigo-500"
@@ -286,7 +289,9 @@ export default function DetailAdjustNode({ id, data, selected, width }: NodeProp
         />
       </div>
 
-      <Handle
+      <CanvasHandle
+        nodeId={id}
+        nodeType="detail-adjust"
         type="source"
         position={Position.Right}
         className="!h-3 !w-3 !border-2 !border-background !bg-indigo-500"

components/canvas/nodes/frame-node.tsx

@@ -1,7 +1,7 @@
 "use client";
 
 import { useCallback, useState } from "react";
-import { Handle, Position, type NodeProps } from "@xyflow/react";
+import { Position, type NodeProps } from "@xyflow/react";
 import { useAction } from "convex/react";
 import { useTranslations } from "next-intl";
 import { Download, Loader2 } from "lucide-react";
@@ -11,6 +11,7 @@ import { useDebouncedCallback } from "@/hooks/use-debounced-callback";
 import BaseNodeWrapper from "./base-node-wrapper";
 import { toast } from "@/lib/toast";
 import { useCanvasSync } from "@/components/canvas/canvas-sync-context";
+import CanvasHandle from "@/components/canvas/canvas-handle";
 
 interface FrameNodeData {
   label?: string;
@@ -125,13 +126,17 @@ export default function FrameNode({ id, data, selected, width, height }: NodePro
 
       <div className="nodrag h-full w-full" />
 
-      <Handle
+      <CanvasHandle
+        nodeId={id}
+        nodeType="frame"
         type="target"
         position={Position.Left}
         id="frame-in"
         className="!h-3 !w-3 !border-2 !border-background !bg-orange-500"
       />
-      <Handle
+      <CanvasHandle
+        nodeId={id}
+        nodeType="frame"
         type="source"
         position={Position.Right}
         id="frame-out"

components/canvas/nodes/group-node.tsx

@@ -1,10 +1,11 @@
 "use client";
 
 import { useState, useCallback, useEffect } from "react";
-import { Handle, Position, type NodeProps, type Node } from "@xyflow/react";
+import { Position, type NodeProps, type Node } from "@xyflow/react";
 import type { Id } from "@/convex/_generated/dataModel";
 import BaseNodeWrapper from "./base-node-wrapper";
 import { useCanvasSync } from "@/components/canvas/canvas-sync-context";
+import CanvasHandle from "@/components/canvas/canvas-handle";
 
 type GroupNodeData = {
   label?: string;
@@ -47,7 +48,9 @@ export default function GroupNode({ id, data, selected }: NodeProps<GroupNode>)
       selected={selected}
       className="min-w-[200px] min-h-[150px] p-3 border-dashed"
     >
-      <Handle
+      <CanvasHandle
+        nodeId={id}
+        nodeType="group"
         type="target"
         position={Position.Left}
         className="!h-3 !w-3 !bg-muted-foreground !border-2 !border-background"
@@ -71,7 +74,9 @@ export default function GroupNode({ id, data, selected }: NodeProps<GroupNode>)
         </div>
       )}
 
-      <Handle
+      <CanvasHandle
+        nodeId={id}
+        nodeType="group"
         type="source"
         position={Position.Right}
         className="!h-3 !w-3 !bg-muted-foreground !border-2 !border-background"

components/canvas/nodes/image-node.tsx

@@ -8,7 +8,7 @@ import {
   type ChangeEvent,
   type DragEvent,
 } from "react";
-import { Handle, Position, type NodeProps, type Node } from "@xyflow/react";
+import { Position, type NodeProps, type Node } from "@xyflow/react";
 import { Maximize2, X } from "lucide-react";
 import { useTranslations } from "next-intl";
 import { api } from "@/convex/_generated/api";
@@ -37,6 +37,7 @@ import {
   getImageDimensions,
 } from "@/components/canvas/canvas-media-utils";
 import { preserveNodeFavorite } from "@/lib/canvas-node-favorite";
+import CanvasHandle from "@/components/canvas/canvas-handle";
 
 const ALLOWED_IMAGE_TYPES = new Set([
   "image/png",
@@ -508,7 +509,9 @@ export default function ImageNode({
           },
         ]}
       >
-      <Handle
+      <CanvasHandle
+        nodeId={id}
+        nodeType="image"
         type="target"
         position={Position.Left}
         className="h-3! w-3! bg-primary! border-2! border-background!"
@@ -609,7 +612,9 @@ export default function ImageNode({
         className="hidden"
       />
 
-        <Handle
+        <CanvasHandle
+          nodeId={id}
+          nodeType="image"
           type="source"
           position={Position.Right}
           className="h-3! w-3! bg-primary! border-2! border-background!"

components/canvas/nodes/light-adjust-node.tsx

@@ -1,7 +1,7 @@
 "use client";
 
 import { useCallback, useMemo, useState } from "react";
-import { Handle, Position, type Node, type NodeProps } from "@xyflow/react";
+import { Position, type Node, type NodeProps } from "@xyflow/react";
 import { useTranslations } from "next-intl";
 import { Sun } from "lucide-react";
 
@@ -29,6 +29,7 @@ import { preserveNodeFavorite } from "@/lib/canvas-node-favorite";
 import { LIGHT_PRESETS } from "@/lib/image-pipeline/presets";
 import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from "@/components/ui/select";
 import { toast } from "@/lib/toast";
+import CanvasHandle from "@/components/canvas/canvas-handle";
 
 type LightAdjustNodeData = LightAdjustData & {
   _status?: string;
@@ -213,7 +214,9 @@ export default function LightAdjustNode({ id, data, selected, width }: NodeProps
       statusMessage={data._statusMessage}
       className="min-w-[300px] border-amber-500/30"
     >
-      <Handle
+      <CanvasHandle
+        nodeId={id}
+        nodeType="light-adjust"
         type="target"
         position={Position.Left}
         className="!h-3 !w-3 !border-2 !border-background !bg-amber-500"
@@ -292,7 +295,9 @@ export default function LightAdjustNode({ id, data, selected, width }: NodeProps
         />
       </div>
 
-      <Handle
+      <CanvasHandle
+        nodeId={id}
+        nodeType="light-adjust"
         type="source"
         position={Position.Right}
         className="!h-3 !w-3 !border-2 !border-background !bg-amber-500"

components/canvas/nodes/mixer-node.tsx

@@ -1,7 +1,7 @@
 "use client";
 
 import { useMemo, useState, type ChangeEvent, type FormEvent } from "react";
-import { Handle, Position, type NodeProps } from "@xyflow/react";
+import { Position, type NodeProps } from "@xyflow/react";
 
 import BaseNodeWrapper from "./base-node-wrapper";
 import { useCanvasGraph } from "@/components/canvas/canvas-graph-context";
@@ -12,6 +12,7 @@ import {
   type MixerBlendMode,
 } from "@/lib/canvas-mixer-preview";
 import type { Id } from "@/convex/_generated/dataModel";
+import CanvasHandle from "@/components/canvas/canvas-handle";
 
 const BLEND_MODE_OPTIONS: MixerBlendMode[] = ["normal", "multiply", "screen", "overlay"];
 
@@ -56,21 +57,27 @@ export default function MixerNode({ id, data, selected }: NodeProps) {
 
   return (
     <BaseNodeWrapper nodeType="mixer" selected={selected} className="p-0">
-      <Handle
+      <CanvasHandle
+        nodeId={id}
+        nodeType="mixer"
         type="target"
         position={Position.Left}
         id="base"
         style={{ top: "35%" }}
         className="!h-3 !w-3 !border-2 !border-background !bg-sky-500"
       />
-      <Handle
+      <CanvasHandle
+        nodeId={id}
+        nodeType="mixer"
         type="target"
         position={Position.Left}
         id="overlay"
         style={{ top: "58%" }}
         className="!h-3 !w-3 !border-2 !border-background !bg-pink-500"
       />
-      <Handle
+      <CanvasHandle
+        nodeId={id}
+        nodeType="mixer"
         type="source"
         position={Position.Right}
         id="mixer-out"

components/canvas/nodes/note-node.tsx

@@ -1,11 +1,12 @@
 "use client";
 
 import { useState, useCallback, useEffect } from "react";
-import { Handle, Position, type NodeProps, type Node } from "@xyflow/react";
+import { Position, type NodeProps, type Node } from "@xyflow/react";
 import type { Id } from "@/convex/_generated/dataModel";
 import { useDebouncedCallback } from "@/hooks/use-debounced-callback";
 import BaseNodeWrapper from "./base-node-wrapper";
 import { useCanvasSync } from "@/components/canvas/canvas-sync-context";
+import CanvasHandle from "@/components/canvas/canvas-handle";
 
 type NoteNodeData = {
   content?: string;
@@ -53,7 +54,9 @@ export default function NoteNode({ id, data, selected }: NodeProps<NoteNode>) {
 
   return (
     <BaseNodeWrapper nodeType="note" selected={selected} className="p-3">
-      <Handle
+      <CanvasHandle
+        nodeId={id}
+        nodeType="note"
         type="target"
         position={Position.Left}
         className="!h-3 !w-3 !bg-primary !border-2 !border-background"
@@ -85,7 +88,9 @@ export default function NoteNode({ id, data, selected }: NodeProps<NoteNode>) {
         </div>
       )}
 
-      <Handle
+      <CanvasHandle
+        nodeId={id}
+        nodeType="note"
         type="source"
         position={Position.Right}
         className="!h-3 !w-3 !bg-primary !border-2 !border-background"

components/canvas/nodes/prompt-node.tsx

@@ -2,7 +2,6 @@
 
 import { useCallback, useEffect, useMemo, useRef, useState } from "react";
 import {
-  Handle,
   Position,
   useReactFlow,
   useStore,
@@ -45,6 +44,7 @@ import { useRouter } from "next/navigation";
 import { toast } from "@/lib/toast";
 import { classifyError } from "@/lib/ai-errors";
 import { normalizePublicTier } from "@/lib/tier-credits";
+import CanvasHandle from "@/components/canvas/canvas-handle";
 
 type PromptNodeData = {
   prompt?: string;
@@ -353,7 +353,9 @@ export default function PromptNode({
       statusMessage={nodeData._statusMessage}
       className="min-w-[240px] border-violet-500/30"
     >
-      <Handle
+      <CanvasHandle
+        nodeId={id}
+        nodeType="prompt"
         type="target"
         position={Position.Left}
         id="image-in"
@@ -489,7 +491,9 @@ export default function PromptNode({
         </div>
       </div>
 
-      <Handle
+      <CanvasHandle
+        nodeId={id}
+        nodeType="prompt"
         type="source"
         position={Position.Right}
         id="prompt-out"

components/canvas/nodes/render-node.tsx

@@ -1,7 +1,7 @@
 "use client";
 
 import { useEffect, useMemo, useRef, useState } from "react";
-import { Handle, Position, type Node, type NodeProps } from "@xyflow/react";
+import { Position, type Node, type NodeProps } from "@xyflow/react";
 import { AlertCircle, ArrowDown, CheckCircle2, CloudUpload, Loader2, Maximize2, X } from "lucide-react";
 import { useMutation } from "convex/react";
 
@@ -29,6 +29,7 @@ import {
 import { preserveNodeFavorite } from "@/lib/canvas-node-favorite";
 import type { Id } from "@/convex/_generated/dataModel";
 import { Dialog, DialogContent, DialogTitle } from "@/components/ui/dialog";
+import CanvasHandle from "@/components/canvas/canvas-handle";
 
 type RenderResolutionOption = "original" | "2x" | "custom";
 type RenderFormatOption = "png" | "jpeg" | "webp";
@@ -978,7 +979,9 @@ export default function RenderNode({ id, data, selected, width, height }: NodePr
         ]}
         className="flex h-full min-w-[280px] flex-col overflow-hidden border-sky-500/30"
       >
-      <Handle
+      <CanvasHandle
+        nodeId={id}
+        nodeType="render"
         type="target"
         position={Position.Left}
         className="!h-3 !w-3 !border-2 !border-background !bg-sky-500"
@@ -1273,7 +1276,9 @@ export default function RenderNode({ id, data, selected, width, height }: NodePr
         </div>
       </div>
 
-        <Handle
+        <CanvasHandle
+          nodeId={id}
+          nodeType="render"
           type="source"
           position={Position.Right}
           className="!h-3 !w-3 !border-2 !border-background !bg-sky-500"

components/canvas/nodes/text-node.tsx

@@ -2,7 +2,6 @@
 
 import { useState, useCallback, useEffect, useRef } from "react";
 import {
-  Handle,
   Position,
   useReactFlow,
   type NodeProps,
@@ -20,6 +19,7 @@ import {
   DialogHeader,
   DialogTitle,
 } from "@/components/ui/dialog";
+import CanvasHandle from "@/components/canvas/canvas-handle";
 
 type TextNodeData = {
   content?: string;
@@ -155,7 +155,9 @@ export default function TextNode({ id, data, selected }: NodeProps<TextNode>) {
         ]}
         className="relative"
       >
-      <Handle
+      <CanvasHandle
+        nodeId={id}
+        nodeType="text"
         type="target"
         position={Position.Left}
         className="!h-3 !w-3 !bg-primary !border-2 !border-background"
@@ -190,7 +192,9 @@ export default function TextNode({ id, data, selected }: NodeProps<TextNode>) {
           </div>
         )}
       </div>
-        <Handle
+        <CanvasHandle
+          nodeId={id}
+          nodeType="text"
           type="source"
           position={Position.Right}
           className="!h-3 !w-3 !bg-primary !border-2 !border-background"

components/canvas/nodes/video-node.tsx

@@ -1,7 +1,7 @@
 "use client";
 
 import { useCallback, useEffect, useMemo, useRef, useState } from "react";
-import { Handle, Position, useStore, type NodeProps } from "@xyflow/react";
+import { Position, useStore, type NodeProps } from "@xyflow/react";
 import { useAction } from "convex/react";
 import { Play } from "lucide-react";
 import BaseNodeWrapper from "./base-node-wrapper";
@@ -12,6 +12,7 @@ import {
 import { api } from "@/convex/_generated/api";
 import type { Id } from "@/convex/_generated/dataModel";
 import { useCanvasSync } from "@/components/canvas/canvas-sync-context";
+import CanvasHandle from "@/components/canvas/canvas-handle";
 
 type VideoNodeData = {
   canvasId?: string;
@@ -150,7 +151,9 @@ export default function VideoNode({
 
   return (
     <BaseNodeWrapper nodeType="video" selected={selected}>
-      <Handle
+      <CanvasHandle
+        nodeId={id}
+        nodeType="video"
         type="target"
         position={Position.Left}
         className="h-3! w-3! border-2! border-background! bg-primary!"
@@ -245,7 +248,9 @@ export default function VideoNode({
         />
       ) : null}
 
-      <Handle
+      <CanvasHandle
+        nodeId={id}
+        nodeType="video"
         type="source"
         position={Position.Right}
         className="h-3! w-3! border-2! border-background! bg-primary!"

components/canvas/nodes/video-prompt-node.tsx

@@ -1,7 +1,7 @@
 "use client";
 
 import { useCallback, useMemo, useState } from "react";
-import { Handle, Position, useReactFlow, useStore, type Node, type NodeProps } from "@xyflow/react";
+import { Position, useReactFlow, useStore, type Node, type NodeProps } from "@xyflow/react";
 import { useAction } from "convex/react";
 import type { FunctionReference } from "convex/server";
 import { useRouter } from "next/navigation";
@@ -33,6 +33,7 @@ import {
   SelectTrigger,
   SelectValue,
 } from "@/components/ui/select";
+import CanvasHandle from "@/components/canvas/canvas-handle";
 
 type VideoPromptNodeData = {
   prompt?: string;
@@ -300,7 +301,9 @@ export default function VideoPromptNode({
       statusMessage={nodeData._statusMessage}
       className="min-w-[260px] border-violet-500/30"
     >
-      <Handle
+      <CanvasHandle
+        nodeId={id}
+        nodeType="video-prompt"
         type="target"
         position={Position.Left}
         id="video-prompt-in"
@@ -407,7 +410,9 @@ export default function VideoPromptNode({
         ) : null}
       </div>
 
-      <Handle
+      <CanvasHandle
+        nodeId={id}
+        nodeType="video-prompt"
         type="source"
         position={Position.Right}
         id="video-prompt-out"