frontend/src/components/editor-ai/ChatTab.tsx

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+import { useRef, useEffect } from 'react'
+import { Send, Sparkles } from 'lucide-react'
+import type { EditorAIChatMessage } from '@/types'
+
+interface ChatTabProps {
+  messages: EditorAIChatMessage[]
+  input: string
+  onInputChange: (value: string) => void
+  onSend: () => void
+  isLoading: boolean
+}
+
+export function ChatTab({ messages, input, onInputChange, onSend, isLoading }: ChatTabProps) {
+  const messagesEndRef = useRef<HTMLDivElement>(null)
+
+  useEffect(() => {
+    messagesEndRef.current?.scrollIntoView({ behavior: 'smooth' })
+  }, [messages])
+
+  const handleKeyDown = (e: React.KeyboardEvent<HTMLTextAreaElement>) => {
+    if (e.key === 'Enter' && !e.shiftKey) {
+      e.preventDefault()
+      if (input.trim() && !isLoading) onSend()
+    }
+  }
+
+  return (
+    <div className="flex flex-1 flex-col overflow-hidden">
+      <div className="flex-1 overflow-y-auto px-3 py-3 space-y-3">
+        {messages.length === 0 && (
+          <div className="flex flex-col items-center justify-center h-full text-muted-foreground text-sm">
+            <Sparkles className="h-8 w-8 mb-2 opacity-40" />
+            <p>Ask me to help build your flow</p>
+          </div>
+        )}
+        {messages.map((msg, i) => (
+          <div
+            key={i}
+            className={`text-sm rounded-lg px-3 py-2 ${
+              msg.role === 'user'
+                ? 'ml-6 bg-primary/15 text-foreground'
+                : 'mr-2 bg-[rgba(255,255,255,0.04)] border border-border text-foreground'
+            }`}
+          >
+            <p className="whitespace-pre-wrap">{msg.content}</p>
+          </div>
+        ))}
+        {isLoading && (
+          <div className="mr-2 bg-[rgba(255,255,255,0.04)] border border-border rounded-lg px-3 py-2">
+            <div className="flex gap-1">
+              <div className="h-1.5 w-1.5 rounded-full bg-primary/60 animate-bounce" />
+              <div className="h-1.5 w-1.5 rounded-full bg-primary/60 animate-bounce [animation-delay:0.15s]" />
+              <div className="h-1.5 w-1.5 rounded-full bg-primary/60 animate-bounce [animation-delay:0.3s]" />
+            </div>
+          </div>
+        )}
+        <div ref={messagesEndRef} />
+      </div>
+      <div className="shrink-0 border-t border-border p-3">
+        <div className="flex items-end gap-2">
+          <textarea
+            value={input}
+            onChange={(e) => onInputChange(e.target.value)}
+            onKeyDown={handleKeyDown}
+            placeholder="Ask AI to help..."
+            rows={1}
+            className="flex-1 resize-none rounded-lg border border-border bg-card px-3 py-2 text-sm text-foreground placeholder:text-muted-foreground focus:border-[rgba(6,182,212,0.3)] focus:outline-none"
+          />
+          <button
+            onClick={onSend}
+            disabled={!input.trim() || isLoading}
+            className="flex h-9 w-9 shrink-0 items-center justify-center rounded-lg bg-gradient-brand text-[#101114] transition-all hover:opacity-90 active:scale-[0.97] disabled:opacity-40"
+          >
+            <Send className="h-4 w-4" />
+          </button>
+        </div>
+      </div>
+    </div>
+  )
+}

frontend/src/components/editor-ai/EditorAIPanel.tsx

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+import { useState } from 'react'
+import { X, Sparkles } from 'lucide-react'
+import { cn } from '@/lib/utils'
+import { NodeSummary } from './NodeSummary'
+import { ChatTab } from './ChatTab'
+import { SuggestionsTab } from './SuggestionsTab'
+import type { EditorAIChatMessage, AISuggestion } from '@/types'
+
+interface EditorAIPanelProps {
+  isOpen: boolean
+  onClose: () => void
+  focalNode?: { id: string; type: string; question?: string; title?: string; description?: string } | null
+  flowName?: string
+  flowType?: string
+  nodeCount?: number
+  messages: EditorAIChatMessage[]
+  input: string
+  onInputChange: (value: string) => void
+  onSend: () => void
+  isLoading: boolean
+  suggestions: AISuggestion[]
+}
+
+type Tab = 'chat' | 'suggestions'
+
+export function EditorAIPanel({
+  isOpen,
+  onClose,
+  focalNode,
+  flowName,
+  flowType,
+  nodeCount,
+  messages,
+  input,
+  onInputChange,
+  onSend,
+  isLoading,
+  suggestions,
+}: EditorAIPanelProps) {
+  const [activeTab, setActiveTab] = useState<Tab>('chat')
+
+  if (!isOpen) return null
+
+  const pendingCount = suggestions.filter((s) => s.status === 'pending').length
+
+  return (
+    <div className="flex h-full w-[320px] shrink-0 flex-col border-l border-border bg-[rgba(24,26,31,0.55)] backdrop-blur-[var(--glass-blur)]">
+      <div className="flex items-center justify-between border-b border-border px-3 py-2.5 shrink-0">
+        <div className="flex items-center gap-2">
+          <Sparkles className="h-4 w-4 text-primary" />
+          <span className="text-sm font-medium text-foreground">AI Assist</span>
+        </div>
+        <button
+          onClick={onClose}
+          className="flex h-6 w-6 items-center justify-center rounded-md text-muted-foreground hover:bg-[rgba(255,255,255,0.06)] hover:text-foreground transition-colors"
+        >
+          <X className="h-3.5 w-3.5" />
+        </button>
+      </div>
+      <NodeSummary node={focalNode} flowName={flowName} flowType={flowType} nodeCount={nodeCount} />
+      <div className="flex border-b border-border shrink-0">
+        <button
+          onClick={() => setActiveTab('chat')}
+          className={cn(
+            'flex-1 px-3 py-2 text-xs font-medium transition-colors',
+            activeTab === 'chat'
+              ? 'border-b-2 border-primary text-foreground'
+              : 'text-muted-foreground hover:text-foreground'
+          )}
+        >
+          Chat
+        </button>
+        <button
+          onClick={() => setActiveTab('suggestions')}
+          className={cn(
+            'flex-1 px-3 py-2 text-xs font-medium transition-colors relative',
+            activeTab === 'suggestions'
+              ? 'border-b-2 border-primary text-foreground'
+              : 'text-muted-foreground hover:text-foreground'
+          )}
+        >
+          Suggestions
+          {pendingCount > 0 && (
+            <span className="ml-1.5 inline-flex h-4 min-w-4 items-center justify-center rounded-full bg-primary/20 px-1 text-[0.5625rem] text-primary">
+              {pendingCount}
+            </span>
+          )}
+        </button>
+      </div>
+      {activeTab === 'chat' ? (
+        <ChatTab messages={messages} input={input} onInputChange={onInputChange} onSend={onSend} isLoading={isLoading} />
+      ) : (
+        <SuggestionsTab suggestions={suggestions} />
+      )}
+    </div>
+  )
+}

frontend/src/components/editor-ai/NodeSummary.tsx

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+import { HelpCircle, Zap, CheckCircle, FileText, Layout } from 'lucide-react'
+
+interface NodeSummaryProps {
+  node?: { id: string; type: string; question?: string; title?: string; description?: string } | null
+  flowName?: string
+  flowType?: string
+  nodeCount?: number
+}
+
+const NODE_ICONS: Record<string, typeof HelpCircle> = {
+  decision: HelpCircle,
+  action: Zap,
+  solution: CheckCircle,
+}
+
+const NODE_COLORS: Record<string, string> = {
+  decision: 'text-blue-400',
+  action: 'text-yellow-400',
+  solution: 'text-green-400',
+}
+
+export function NodeSummary({ node, flowName, flowType, nodeCount }: NodeSummaryProps) {
+  if (!node) {
+    return (
+      <div className="border-b border-border px-3 py-2.5">
+        <div className="flex items-center gap-2">
+          <Layout className="h-3.5 w-3.5 text-muted-foreground" />
+          <span className="text-xs font-medium text-foreground truncate">
+            {flowName || 'Untitled Flow'}
+          </span>
+        </div>
+        <div className="mt-1 flex items-center gap-3 font-label text-[0.625rem] uppercase tracking-[0.1em] text-muted-foreground">
+          <span>{flowType || 'flow'}</span>
+          {nodeCount !== undefined && <span>{nodeCount} nodes</span>}
+        </div>
+      </div>
+    )
+  }
+
+  const Icon = NODE_ICONS[node.type] || FileText
+  const colorClass = NODE_COLORS[node.type] || 'text-muted-foreground'
+
+  return (
+    <div className="border-b border-border px-3 py-2.5">
+      <div className="flex items-center gap-2">
+        <Icon className={`h-3.5 w-3.5 ${colorClass}`} />
+        <span className="font-label text-[0.625rem] uppercase tracking-[0.1em] text-muted-foreground">
+          {node.type}
+        </span>
+      </div>
+      <p className="mt-1 text-sm font-medium text-foreground truncate">
+        {node.question || node.title || node.id}
+      </p>
+      {node.description && (
+        <p className="mt-0.5 text-xs text-muted-foreground truncate">{node.description}</p>
+      )}
+    </div>
+  )
+}

frontend/src/components/editor-ai/SuggestionsTab.tsx

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+import { Check, X, Clock } from 'lucide-react'
+import type { AISuggestion } from '@/types'
+
+interface SuggestionsTabProps {
+  suggestions: AISuggestion[]
+}
+
+const STATUS_CONFIG = {
+  accepted: { icon: Check, color: 'text-emerald-400', label: 'Accepted' },
+  dismissed: { icon: X, color: 'text-rose-400', label: 'Dismissed' },
+  pending: { icon: Clock, color: 'text-amber-400', label: 'Pending' },
+} as const
+
+export function SuggestionsTab({ suggestions }: SuggestionsTabProps) {
+  if (suggestions.length === 0) {
+    return (
+      <div className="flex flex-1 items-center justify-center text-sm text-muted-foreground p-6">
+        No AI suggestions yet
+      </div>
+    )
+  }
+
+  return (
+    <div className="flex-1 overflow-y-auto px-3 py-3 space-y-2">
+      {suggestions.map((s) => {
+        const config = STATUS_CONFIG[s.status]
+        const StatusIcon = config.icon
+        return (
+          <div key={s.id} className="rounded-lg border border-border bg-[rgba(255,255,255,0.02)] px-3 py-2">
+            <div className="flex items-center justify-between">
+              <span className="font-label text-[0.625rem] uppercase tracking-[0.1em] text-muted-foreground">
+                {s.action_type.replace(/_/g, ' ')}
+              </span>
+              <span className={`flex items-center gap-1 text-xs ${config.color}`}>
+                <StatusIcon className="h-3 w-3" />
+                {config.label}
+              </span>
+            </div>
+            {s.target_node_id && (
+              <p className="mt-1 text-xs text-muted-foreground truncate">Node: {s.target_node_id}</p>
+            )}
+            <p className="mt-0.5 font-label text-[0.625rem] text-[#5a6170]">
+              {new Date(s.created_at).toLocaleDateString()}
+            </p>
+          </div>
+        )
+      })}
+    </div>
+  )
+}