improve drag

src/components/graph/BaseNode.tsx

@@ -1,6 +1,5 @@
 import type { ComponentProps, ReactNode } from "react";
 import { NodeResizeControl } from "@xyflow/react";
-import { Expand } from "lucide-react";
 
 import { cn } from "@/lib/utils";
 
@@ -11,20 +10,38 @@ export type BaseNodeProps = ComponentProps<"div"> & {
   nodeId?: string;
   /** Connection handles (InputHandle, OutputHandle). Rendered outside the overflow layer so they stay visible. */
   handles?: ReactNode;
+  /** When provided, node uses this size (e.g. from React Flow width/height). Enables correct resize behavior. */
+  dimensions?: { width: number; height: number };
 };
 
 export function BaseNode({
   className,
   style,
+  dimensions,
   resizable,
   nodeId,
   handles,
   children,
   ...props
 }: BaseNodeProps) {
-  const appliedStyle = style
+  const hasSize =
-    ? { ...style, display: "flex", flexDirection: "column" as const }
+    dimensions &&
-    : undefined;
+    dimensions.width > 0 &&
+    dimensions.height > 0;
+  // Don't set overflow: hidden on the root — handles are positioned at left/right -10px
+  // and would be clipped. The inner content wrapper has overflow-hidden for scrolling.
+  const appliedStyle = hasSize
+    ? {
+        ...style,
+        width: dimensions.width,
+        height: dimensions.height,
+        display: "flex" as const,
+        flexDirection: "column" as const,
+        contain: "layout" as const,
+      }
+    : style
+      ? { ...style, display: "flex", flexDirection: "column" as const }
+      : undefined;
 
   return (
     <div
@@ -44,28 +61,31 @@ export function BaseNode({
       tabIndex={0}
       {...props}
     >
-      <div className="min-h-0 flex-1 flex flex-col overflow-hidden">{children}</div>
+      <div
+        className="min-h-0 flex-1 flex flex-col overflow-hidden"
+        style={{ contain: "layout" }}
+      >
+        {children}
+      </div>
       {resizable && nodeId && (
-        <div
+        <NodeResizeControl
-          className="flex shrink-0 items-center justify-end border-t border-border bg-muted/30 px-2 py-1.5"
+          nodeId={nodeId}
-          data-slot="base-node-resize-footer"
+          position="bottom-right"
+          minWidth={120}
+          minHeight={80}
+          className={cn(
+            "!border-0 !bg-transparent !rounded-none !p-0",
+            "absolute bottom-0 right-0 w-8 h-8 cursor-se-resize select-none",
+            "nodrag nopan touch-none",
+          )}
+          style={{ margin: 0, touchAction: "none", userSelect: "none" }}
         >
-          <NodeResizeControl
+          <span
-            nodeId={nodeId}
+            className="absolute bottom-0 right-0 w-8 h-8 rounded-br border-l border-t border-border/30 hover:border-border/50"
-            position="bottom-right"
+            title="Drag corner to resize"
-            minWidth={120}
+            aria-label="Resize node"
-            minHeight={80}
+          />
-            className="!border-0 !bg-transparent !rounded-none"
+        </NodeResizeControl>
-            style={{ padding: 0 }}
-          >
-            <span
-              className="flex size-6 items-center justify-center rounded border border-border bg-muted/80 text-muted-foreground shadow-sm nodrag nopan cursor-se-resize hover:bg-muted"
-              title="Drag to resize"
-            >
-              <Expand className="size-3.5" />
-            </span>
-          </NodeResizeControl>
-        </div>
       )}
       {handles}
     </div>
@@ -110,6 +130,53 @@ export function BaseNodeHeaderTitle({
   );
 }
 
+/**
+ * Standard node header: icon on the left, title taking the rest. Use for all node types.
+ * Inlined so it does not depend on BaseNodeHeader/BaseNodeHeaderTitle (avoids reference errors with HMR).
+ */
+export function BaseNodeHeaderRow({
+  icon,
+  title,
+  className,
+}: {
+  icon: ReactNode;
+  title: ReactNode;
+  className?: string;
+}) {
+  return (
+    <header
+      className={cn(
+        "shrink-0 mx-0 my-0 -mb-1 flex flex-row items-center justify-between gap-2 border-b px-3 py-2",
+        className,
+      )}
+    >
+      {icon}
+      <h3
+        data-slot="base-node-title"
+        className="user-select-none flex-1 font-semibold"
+      >
+        {title}
+      </h3>
+    </header>
+  );
+}
+
+/**
+ * Single-line muted text for the footer. Use for status or hints in all node types.
+ */
+export function BaseNodeFooterText({
+  className,
+  ...props
+}: ComponentProps<"div">) {
+  return (
+    <div
+      className={cn("w-full text-xs text-muted-foreground", className)}
+      data-slot="base-node-footer-text"
+      {...props}
+    />
+  );
+}
+
 export function BaseNodeContent({
   className,
   ...props

src/components/graph/ConfigNode.tsx

@@ -8,8 +8,8 @@ import {
     BaseNode,
     BaseNodeContent,
     BaseNodeFooter,
-    BaseNodeHeader,
+    BaseNodeFooterText,
-    BaseNodeHeaderTitle,
+    BaseNodeHeaderRow,
 } from './BaseNode'
 import { GitBranchPlus, ScrollText } from 'lucide-react'
 import {
@@ -119,12 +119,14 @@ export const ConfigNode = memo(function ConfigNode({ id, data, width, height }:
     const extensions = useMemo(() => [plantumlLanguage.extension], [])
     const [editorHeight, editorContainerRef] = useResizeHeight(180)
 
+    const dimensions =
+        width != null && height != null && width > 0 && height > 0
+            ? { width, height }
+            : undefined
+
     return (
-        <BaseNode className="min-w-80 min-h-[280px]" style={width != null && height != null && width > 0 && height > 0 ? { width, height } : undefined} resizable nodeId={id} handles={<><InputHandle id="ain" /><OutputHandle id="out" /></>}>
+        <BaseNode className="min-w-80 min-h-[280px]" dimensions={dimensions} resizable nodeId={id} handles={<><InputHandle id="ain" /><OutputHandle id="out" /></>}>
-            <BaseNodeHeader className="border-b">
+            <BaseNodeHeaderRow icon={<ScrollText className="size-4" />} title={`${id}.puml`} />
-                <ScrollText className="size-4" />
-                <BaseNodeHeaderTitle>{id}.puml</BaseNodeHeaderTitle>
-            </BaseNodeHeader>
 
             <BaseNodeContent>
                 {hasDependencies && (
@@ -214,7 +216,7 @@ export const ConfigNode = memo(function ConfigNode({ id, data, width, height }:
             </BaseNodeContent>
 
             <BaseNodeFooter>
-                <div className="w-full text-xs text-muted-foreground">{storedPlantuml ? `${storedPlantuml.length} chars` : 'none'}</div>
+                <BaseNodeFooterText>{storedPlantuml ? `${storedPlantuml.length} chars` : 'none'}</BaseNodeFooterText>
             </BaseNodeFooter>
         </BaseNode>
     )

src/components/graph/FunctionNode.tsx

@@ -8,8 +8,8 @@ import {
     BaseNode,
     BaseNodeContent,
     BaseNodeFooter,
-    BaseNodeHeader,
+    BaseNodeFooterText,
-    BaseNodeHeaderTitle,
+    BaseNodeHeaderRow,
 } from './BaseNode'
 import { InputHandle, OutputHandle } from './NodeHandles'
 import { Code2 } from 'lucide-react'
@@ -17,7 +17,8 @@ import { Code2 } from 'lucide-react'
 type Props = {
     id: string
     data: { body?: string }
-    style?: React.CSSProperties
+    width?: number
+    height?: number
 }
 
 const DEFAULT_BODY = `// args[0], args[1], ... are the variable values (in order)
@@ -55,13 +56,14 @@ export const FunctionNode = memo(function FunctionNode({ id, data, width, height
 
     const extensions = useMemo(() => [javascript()], [])
     const [editorHeight, editorContainerRef] = useResizeHeight(120)
+    const dimensions =
+        width != null && height != null && width > 0 && height > 0
+            ? { width, height }
+            : undefined
 
     return (
-        <BaseNode className="min-w-72 min-h-[260px]" style={width != null && height != null && width > 0 && height > 0 ? { width, height } : undefined} resizable nodeId={id} handles={<><InputHandle id="in" /><OutputHandle id="out" /></>}>
+        <BaseNode className="min-w-72 min-h-[260px]" dimensions={dimensions} resizable nodeId={id} handles={<><InputHandle id="in" /><OutputHandle id="out" /></>}>
-            <BaseNodeHeader className="border-b">
+            <BaseNodeHeaderRow icon={<Code2 className="size-4" />} title={id} />
-                <Code2 className="size-4" />
-                <BaseNodeHeaderTitle>{id}</BaseNodeHeaderTitle>
-            </BaseNodeHeader>
 
             <BaseNodeContent>
                 <p className="shrink-0 text-[10px] text-muted-foreground mb-1">
@@ -81,9 +83,7 @@ export const FunctionNode = memo(function FunctionNode({ id, data, width, height
             </BaseNodeContent>
 
             <BaseNodeFooter>
-                <div className="w-full text-xs text-muted-foreground">
+                <BaseNodeFooterText>Body: {storedBody ? `${storedBody.length} chars` : 'none'}</BaseNodeFooterText>
-                    Body: {storedBody ? `${storedBody.length} chars` : 'none'}
-                </div>
             </BaseNodeFooter>
         </BaseNode>
     )

src/components/graph/RenderingNode.tsx

@@ -6,8 +6,8 @@ import {
     BaseNode,
     BaseNodeContent,
     BaseNodeFooter,
-    BaseNodeHeader,
+    BaseNodeFooterText,
-    BaseNodeHeaderTitle,
+    BaseNodeHeaderRow,
 } from './BaseNode'
 import { Sparkles } from 'lucide-react'
 import { InputHandle, OutputHandle } from './NodeHandles'
@@ -266,12 +266,14 @@ export const RenderingNode = memo(function RenderingNode({ id, width, height }:
         // Do not depend on nodes/edges refs to avoid flicker from unnecessary re-renders.
     }, [id, theme, plantumlText, configSignature, edgesSignature, variablesSignature, functionsSignature])
 
+    const dimensions =
+        width != null && height != null && width > 0 && height > 0
+            ? { width, height }
+            : undefined
+
     return (
-        <BaseNode className="min-w-96 min-h-[320px]" style={width != null && height != null && width > 0 && height > 0 ? { width, height } : undefined} resizable nodeId={id} handles={<><InputHandle id="ain" /><OutputHandle id="out" /></>}>
+        <BaseNode className="min-w-96 min-h-[320px]" dimensions={dimensions} resizable nodeId={id} handles={<><InputHandle id="ain" /><OutputHandle id="out" /></>}>
-            <BaseNodeHeader className="border-b">
+            <BaseNodeHeaderRow icon={<Sparkles className="size-4" />} title={id} />
-                <Sparkles className="size-4" />
-                <BaseNodeHeaderTitle>{id}</BaseNodeHeaderTitle>
-            </BaseNodeHeader>
 
             <BaseNodeContent>
                 <div className="min-h-0 flex-1 flex flex-col">
@@ -324,9 +326,9 @@ export const RenderingNode = memo(function RenderingNode({ id, width, height }:
             </BaseNodeContent>
 
             <BaseNodeFooter>
-                <div className="w-full text-xs text-muted-foreground">
+                <BaseNodeFooterText>
                     {svgContent ? 'PlantUML diagram' : error ? 'Error' : '—'}
-                </div>
+                </BaseNodeFooterText>
             </BaseNodeFooter>
         </BaseNode>
     )

src/components/graph/VariableNode.tsx

@@ -3,8 +3,9 @@ import FlowContext from '../../lib/flowContext'
 import {
     BaseNode,
     BaseNodeContent,
-    BaseNodeHeader,
+    BaseNodeFooter,
-    BaseNodeHeaderTitle,
+    BaseNodeFooterText,
+    BaseNodeHeaderRow,
 } from './BaseNode'
 import { Input } from '../ui/input'
 import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from '../ui/select'
@@ -89,10 +90,7 @@ export const VariableNode = memo(function VariableNode({ id, data }: Props) {
 
     return (
         <BaseNode className="min-w-56 min-h-[180px]" handles={<OutputHandle id="out" />}>
-            <BaseNodeHeader className="border-b">
+            <BaseNodeHeaderRow icon={<Variable className="size-4" />} title={id} />
-                <Variable className="size-4" />
-                <BaseNodeHeaderTitle>{id}</BaseNodeHeaderTitle>
-            </BaseNodeHeader>
 
             <BaseNodeContent className="gap-2 p-3">
                 <div className="flex flex-col gap-1.5">
@@ -126,10 +124,13 @@ export const VariableNode = memo(function VariableNode({ id, data }: Props) {
                         />
                     )}
                 </div>
-                <p className="text-[10px] text-muted-foreground">
-                    Use in config: <code className="rounded bg-muted px-0.5">prop: $&#123;{id}&#125;</code>
-                </p>
             </BaseNodeContent>
+
+            <BaseNodeFooter>
+                <BaseNodeFooterText>
+                    Use in config: <code className="rounded bg-muted px-0.5">prop: {'${'}{id}{'}'}</code>
+                </BaseNodeFooterText>
+            </BaseNodeFooter>
         </BaseNode>
     )
 })

src/styles.css

@@ -51,6 +51,18 @@ body {
     }
 }
 
+/* Resize control: snappy drag, no transition or selection delay */
+.react-flow__resize-control.bottom.right {
+    cursor: se-resize;
+    touch-action: none;
+    user-select: none;
+}
+
+.react-flow__resize-control.bottom.right,
+.react-flow__resize-control.bottom.right * {
+    transition: none;
+}
+
 /* Small helper for monospace pre output */
 pre {
     font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, 'Roboto Mono', 'Courier New', monospace;