WIP - ai process builder codex attempt

frontend/ai-processes-editor/src/App.tsx

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+import { Background, Controls, MiniMap, ReactFlow, useEdgesState, useNodesState } from '@xyflow/react'
+import '@xyflow/react/dist/style.css'
+import './styles.css'
+
+const initialNodes = [
+  { id: 'start', data: { label: 'Start' }, position: { x: 0, y: 0 } },
+  { id: 'llm', data: { label: 'LLM Decision' }, position: { x: 220, y: 0 } },
+  { id: 'tool', data: { label: 'Tool Node' }, position: { x: 440, y: 0 } },
+  { id: 'end', data: { label: 'End' }, position: { x: 660, y: 0 } },
+]
+
+const initialEdges = [
+  { id: 'e1-2', source: 'start', target: 'llm' },
+  { id: 'e2-3', source: 'llm', target: 'tool' },
+  { id: 'e3-4', source: 'tool', target: 'end' },
+]
+
+export const App = () => {
+  const [nodes, setNodes, onNodesChange] = useNodesState(initialNodes)
+  const [edges, setEdges, onEdgesChange] = useEdgesState(initialEdges)
+
+  return (
+    <div className="editor-shell">
+      <header className="editor-header">
+        <h1>AI Process Builder</h1>
+        <p>Design tenant workflows with deterministic execution.</p>
+      </header>
+      <div className="editor-canvas">
+        <ReactFlow
+          nodes={nodes}
+          edges={edges}
+          onNodesChange={onNodesChange}
+          onEdgesChange={onEdgesChange}
+          fitView
+        >
+          <MiniMap />
+          <Controls />
+          <Background />
+        </ReactFlow>
+      </div>
+    </div>
+  )
+}

frontend/ai-processes-editor/src/main.tsx

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+import { createRoot } from 'react-dom/client'
+import { App } from './App'
+
+const root = document.getElementById('root')
+if (root) {
+  createRoot(root).render(<App />)
+}

frontend/ai-processes-editor/src/styles.css

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+body {
+  margin: 0;
+  font-family: 'Inter', sans-serif;
+  color: #0f172a;
+}
+
+.editor-shell {
+  display: flex;
+  flex-direction: column;
+  height: 100vh;
+}
+
+.editor-header {
+  padding: 16px 20px;
+  border-bottom: 1px solid #e2e8f0;
+  background: #fff;
+}
+
+.editor-header h1 {
+  margin: 0 0 4px;
+  font-size: 18px;
+}
+
+.editor-header p {
+  margin: 0;
+  font-size: 12px;
+  color: #64748b;
+}
+
+.editor-canvas {
+  flex: 1;
+  background: #f8fafc;
+}