Shared memory and context tools for agentic work.
Code Rooms
import React from 'react';
import { Handle, Position, type NodeProps, type Node } from '@xyflow/react';
import type { M1ndNodeData } from '../../types';
import { nodeTypeColor } from '../../lib/colors';
// Per-node Error Boundary (MANDATORY per FM-FE-056)
class NodeErrorBoundary extends React.Component<
{ children: React.ReactNode },
{ hasError: boolean }
> {
state = { hasError: false };
static getDerivedStateFromError() { return { hasError: true }; }
componentDidCatch(error: Error) { console.error('[m1nd FileNode render error]', error); }
render() {
if (this.state.hasError) {
return (
<div className="w-11 h-11 flex items-center justify-center bg-red-900 border border-red-500 rounded text-red-300 text-lg font-bold">!</div>
);
}
return this.props.children;
const FileNodeInner = React.memo(function FileNode({ data, selected }: NodeProps<Node<M1ndNodeData>>) {
const color = nodeTypeColor(0); // file = purple
const activation = data.activation ?? 0;
const opacity = 0.4 + activation * 0.6;
const glowStyle = activation > 0.5
? { boxShadow: `0 0 ${Math.round(activation * 12)}px ${color}88` }
: {};
<>
<Handle type="target" position={Position.Left} className="!bg-m1nd-border-strong !w-2 !h-2" />
<div
className="px-3 py-2 rounded text-xs min-w-[120px] max-w-[160px] select-none transition-shadow"
style={{
backgroundColor: '#1a1a2e',
border: `1.5px solid ${selected ? '#a78bfa' : color}`,
opacity,
...glowStyle,
}}
>
<div className="flex items-center gap-1.5 mb-0.5">
<span style={{ color }} className="text-[10px] font-bold uppercase tracking-wide">FILE</span>
{activation > 0.7 && (
<span className="text-[9px] text-orange-400">●</span>
)}
</div>
<div className="text-slate-200 font-mono truncate" title={data.label}>
{data.label}
{data.pagerank != null && (
<div className="text-[10px] text-slate-500 mt-0.5">
pr: {data.pagerank.toFixed(3)}
<Handle type="source" position={Position.Right} className="!bg-m1nd-border-strong !w-2 !h-2" />
</>
}, (prev, next) =>
prev.data.label === next.data.label &&
prev.data.activation === next.data.activation &&
prev.data.animationState?.phase === next.data.animationState?.phase &&
prev.selected === next.selected
const FileNode = (props: NodeProps<Node<M1ndNodeData>>) => (
<NodeErrorBoundary>
<FileNodeInner {...props} />
</NodeErrorBoundary>
export default FileNode;
