60:I[707087,["/_next/static/immutable/chunks/3arlv5bvukoo2.js","/_next/static/immutable/chunks/39v64hmfyo-sr.js","/_next/static/immutable/chunks/2nvof3-29tvc3.js","/_next/static/immutable/chunks/3tjobt77z_9dj.js","/_next/static/immutable/chunks/04j_o97cgxn2x.js","/_next/static/immutable/chunks/3upr08c9vtj8w.js","/_next/static/immutable/chunks/1ww0328si-u8x.js","/_next/static/immutable/chunks/11mfl5ymqld9-.js","/_next/static/immutable/chunks/2xxcqy6ppds3l.js","/_next/static/immutable/chunks/1bpgyrs5qflhu.js","/_next/static/immutable/chunks/0-6vu2ul1h6ld.js","/_next/static/immutable/chunks/43_s7jweyypoh.js","/_next/static/immutable/chunks/0p6vao205o1jc.js","/_next/static/immutable/chunks/1_kyvgkyokw92.js","/_next/static/immutable/chunks/1lo-zn37dolb5.js","/_next/static/immutable/chunks/1v8k6yxw1rg0u.js"],"RegistryDependencies"] 61:I[314491,["/_next/static/immutable/chunks/3arlv5bvukoo2.js","/_next/static/immutable/chunks/39v64hmfyo-sr.js","/_next/static/immutable/chunks/2nvof3-29tvc3.js","/_next/static/immutable/chunks/3tjobt77z_9dj.js","/_next/static/immutable/chunks/04j_o97cgxn2x.js","/_next/static/immutable/chunks/3upr08c9vtj8w.js","/_next/static/immutable/chunks/1ww0328si-u8x.js","/_next/static/immutable/chunks/11mfl5ymqld9-.js","/_next/static/immutable/chunks/2xxcqy6ppds3l.js","/_next/static/immutable/chunks/1bpgyrs5qflhu.js","/_next/static/immutable/chunks/0-6vu2ul1h6ld.js","/_next/static/immutable/chunks/43_s7jweyypoh.js","/_next/static/immutable/chunks/0p6vao205o1jc.js","/_next/static/immutable/chunks/1_kyvgkyokw92.js","/_next/static/immutable/chunks/1lo-zn37dolb5.js","/_next/static/immutable/chunks/1v8k6yxw1rg0u.js"],"FilesView"] 62:T883f,'use client' import * as React from 'react' import { ArrowUp, Check, ChevronDown, Copy, MessageSquarePlus, MoreHorizontal, Paperclip, PanelLeft, PanelLeftClose, Pencil, RefreshCw, Search, Settings, Sparkles, Square, ThumbsDown, ThumbsUp, Trash2, X, Code, Lightbulb, PenLine, BookOpen, } from 'lucide-react' import { Avatar, AvatarFallback } from '@/components/ui/avatar' import { Button } from '@/components/ui/button' import { Input } from '@/components/ui/input' import { DropdownMenu, DropdownMenuContent, DropdownMenuItem, DropdownMenuSeparator, DropdownMenuTrigger, } from '@/components/ui/dropdown-menu' type Role = 'user' | 'assistant' type Feedback = 'up' | 'down' interface Turn { id: string role: Role body: string code?: { lang: string; content: string } createdAt: Date } interface Thread { id: string title: string updatedAt: Date turns: Turn[] } const now = new Date() const todayStart = new Date(now.getFullYear(), now.getMonth(), now.getDate()) const yesterday = new Date(now.getTime() - 24 * 60 * 60 * 1000) const sevenDays = new Date(now.getTime() - 7 * 24 * 60 * 60 * 1000) const PLACEHOLDER_REPLY = 'Here is a placeholder response. Wire `onSend` to your streaming endpoint and push assistant tokens onto the last turn as they arrive.' const suggestions = [ { icon: Code, label: 'Explain this code', body: 'Walk me through what `useRegistry()` does line by line.' }, { icon: PenLine, label: 'Draft a release note', body: 'Write a release note for shipping the new inbox + chat blocks.', }, { icon: Lightbulb, label: 'Brainstorm', body: 'Give me five ideas for verticals to build on top of the uipkge registry.', }, { icon: BookOpen, label: 'Summarise', body: 'Summarise the CLAUDE.md "Primitive vs Block" boundary in three bullets.', }, ] const models = [ { id: 'opus-4-7', label: 'Opus 4.7', hint: 'Most capable' }, { id: 'sonnet-4-6', label: 'Sonnet 4.6', hint: 'Balanced' }, { id: 'haiku-4-5', label: 'Haiku 4.5', hint: 'Fastest' }, ] const initialThreads: Thread[] = [ { id: 't1', title: 'Designing the registry block boundary', updatedAt: new Date(now.getTime() - 12 * 60 * 1000), turns: [ { id: 'u1', role: 'user', body: 'When should I extract a repeating tile pattern across blocks into a primitive?', createdAt: new Date(now.getTime() - 22 * 60 * 1000), }, { id: 'a1', role: 'assistant', body: 'Short answer: almost never until you have 5+ distinct blocks calling for the *exact same* shape, and the extraction is slot-only with no layout opinion.\n\nThe trap is that StatCard-style primitives — ones that bake an "icon top-right, value below title, trend pill bottom-right" layout — look reusable but lock every block that consumes them. The user installing the block can\'t swap one tile into a chart-led tile without un-abstracting the primitive first.\n\nThe heuristic the CLAUDE.md spells out:', createdAt: new Date(now.getTime() - 21 * 60 * 1000), }, { id: 'a1b', role: 'assistant', body: 'Here is the minimal check you can run on any candidate primitive:', code: { lang: 'ts', content: '// If the prop changes BEHAVIOR -> primitive (variant, disabled, multiple)\n// If the prop changes LAYOUT or WHICH FIELDS RENDER -> block territory\n//\n// Red flag: a primitive that accepts an `items` array of structured records\n// and renders them with a fixed shape. That is layout opinion in a prop.\ninterface KpiItem { title: string; value: string; icon: any; trend: number }\n// ^ if you see this on a `registry:ui` item, stop.', }, createdAt: new Date(now.getTime() - 20 * 60 * 1000), }, { id: 'u2', role: 'user', body: 'And if the same 3 tiles repeat inside one block file?', createdAt: new Date(now.getTime() - 14 * 60 * 1000), }, { id: 'a2', role: 'assistant', body: 'Leave them inline. The registry rule is "three similar lines is better than a premature abstraction." Blocks are supposed to read top-to-bottom at the call site — that is the whole reason a user installs a block instead of a primitive. The cost of writing the tile out three times is small; the cost of pre-abstracting and getting the shape slightly wrong is high (every consumer downstream pays for it).', createdAt: new Date(now.getTime() - 13 * 60 * 1000), }, ], }, { id: 't2', title: 'Tailwind v4 OKLCH dark mode tokens', updatedAt: new Date(now.getTime() - 3 * 60 * 60 * 1000), turns: [], }, { id: 't3', title: 'Zero-downtime migration plan', updatedAt: yesterday, turns: [], }, { id: 't4', title: 'Composing kanban + calendar in one view', updatedAt: new Date(now.getTime() - 30 * 60 * 60 * 1000), turns: [], }, { id: 't5', title: 'shadcn-vue resolver circular warning', updatedAt: new Date(now.getTime() - 4 * 24 * 60 * 60 * 1000), turns: [], }, { id: 't6', title: 'Cloudflare Pages preview env wiring', updatedAt: new Date(now.getTime() - 9 * 24 * 60 * 60 * 1000), turns: [], }, ] function formatTime(d: Date): string { if (d >= todayStart) return d.toLocaleTimeString([], { hour: 'numeric', minute: '2-digit' }) if (d.toDateString() === yesterday.toDateString()) return 'Yesterday' return d.toLocaleDateString(undefined, { month: 'short', day: 'numeric' }) } function titleFromBody(body: string) { return body.slice(0, 48) + (body.length > 48 ? '…' : '') } export interface AiLlmChatProps { onSend?: (body: string) => void onRegenerate?: (id: string) => void onStop?: () => void } export function AiLlmChat({ onSend, onRegenerate, onStop }: AiLlmChatProps = {}) { const [threads, setThreads] = React.useState(initialThreads) const [activeId, setActiveId] = React.useState('t1') const [draft, setDraft] = React.useState('') const [sidebarOpen, setSidebarOpen] = React.useState(true) const [sidebarSearch, setSidebarSearch] = React.useState('') const [activeModel, setActiveModel] = React.useState(models[0]) const [isStreaming, setIsStreaming] = React.useState(false) const [copiedId, setCopiedId] = React.useState(null) const [feedback, setFeedback] = React.useState>({}) const [attachment, setAttachment] = React.useState<{ name: string } | null>(null) const [renamingId, setRenamingId] = React.useState(null) const [renameDraft, setRenameDraft] = React.useState('') const scrollRoot = React.useRef(null) const composer = React.useRef(null) const fileInput = React.useRef(null) const streamTimer = React.useRef | null>(null) const copyTimer = React.useRef | null>(null) const activeIdRef = React.useRef(activeId) activeIdRef.current = activeId const activeThread = threads.find((t) => t.id === activeId) ?? threads[0] const turns = activeThread?.turns ?? [] const isEmpty = turns.length === 0 const filteredThreads = React.useMemo(() => { const q = sidebarSearch.trim().toLowerCase() return q ? threads.filter((t) => t.title.toLowerCase().includes(q)) : threads }, [threads, sidebarSearch]) const groupedThreads = React.useMemo(() => { const today: Thread[] = [] const ydy: Thread[] = [] const week: Thread[] = [] const earlier: Thread[] = [] for (const t of [...filteredThreads].sort((a, b) => b.updatedAt.getTime() - a.updatedAt.getTime())) { if (t.updatedAt >= todayStart) today.push(t) else if (t.updatedAt.toDateString() === yesterday.toDateString()) ydy.push(t) else if (t.updatedAt >= sevenDays) week.push(t) else earlier.push(t) } return [ { key: 'Today', items: today }, { key: 'Yesterday', items: ydy }, { key: 'Previous 7 days', items: week }, { key: 'Earlier', items: earlier }, ].filter((g) => g.items.length > 0) }, [filteredThreads]) function scrollToBottom() { if (!scrollRoot.current) return scrollRoot.current.scrollTop = scrollRoot.current.scrollHeight } function autosizeComposer() { const el = composer.current if (!el) return el.style.height = 'auto' el.style.height = `${Math.min(el.scrollHeight, 192)}px` } React.useEffect(() => { if (window.innerWidth < 768) setSidebarOpen(false) }, []) React.useEffect(() => { scrollToBottom() }, [activeId, turns.length, isStreaming]) React.useEffect(() => { autosizeComposer() }, [draft]) React.useEffect(() => { return () => { if (streamTimer.current) clearTimeout(streamTimer.current) if (copyTimer.current) clearTimeout(copyTimer.current) } }, []) function selectThread(id: string) { setActiveId(id) setRenamingId(null) if (window.innerWidth < 768) setSidebarOpen(false) } function newChat() { const t: Thread = { id: `t${Date.now()}`, title: 'New chat', updatedAt: new Date(), turns: [], } setThreads((prev) => [t, ...prev]) setActiveId(t.id) setDraft('') setAttachment(null) requestAnimationFrame(() => composer.current?.focus()) } function patchThread(id: string, updater: (t: Thread) => Thread) { setThreads((prev) => prev.map((t) => (t.id === id ? updater(t) : t))) } function startStream(threadId: string) { setIsStreaming(true) if (streamTimer.current) clearTimeout(streamTimer.current) streamTimer.current = setTimeout(() => { patchThread(threadId, (t) => ({ ...t, turns: [ ...t.turns, { id: `a${Date.now()}`, role: 'assistant', body: PLACEHOLDER_REPLY, createdAt: new Date(), }, ], })) setIsStreaming(false) streamTimer.current = null }, 1400) } function send(prefill?: string) { const body = (prefill ?? draft).trim() if ((!body && !attachment) || isStreaming) return const content = attachment ? `${body}${body ? '\n\n' : ''}Attached: ${attachment.name}` : body const threadId = activeIdRef.current patchThread(threadId, (t) => ({ ...t, updatedAt: new Date(), title: t.title === 'New chat' ? titleFromBody(content) : t.title, turns: [ ...t.turns, { id: `u${Date.now()}`, role: 'user', body: content, createdAt: new Date(), }, ], })) setDraft('') setAttachment(null) onSend?.(content) startStream(threadId) } function stop() { if (streamTimer.current) { clearTimeout(streamTimer.current) streamTimer.current = null } setIsStreaming(false) onStop?.() } function regenerate(id: string) { if (isStreaming) return const threadId = activeIdRef.current patchThread(threadId, (t) => { const idx = t.turns.findIndex((turn) => turn.id === id) if (idx < 0) return t return { ...t, turns: t.turns.slice(0, idx) } }) onRegenerate?.(id) startStream(threadId) } function copyTurn(id: string, body: string) { if (typeof navigator !== 'undefined' && navigator.clipboard) { navigator.clipboard.writeText(body).catch(() => {}) } setCopiedId(id) if (copyTimer.current) clearTimeout(copyTimer.current) copyTimer.current = setTimeout(() => { setCopiedId((curr) => (curr === id ? null : curr)) }, 1500) } function copyConversation() { const text = turns.map((t) => `${t.role === 'user' ? 'You' : 'Assistant'}: ${t.body}`).join('\n\n') copyTurn('conversation', text) } function clearThread() { stop() patchThread(activeIdRef.current, (t) => ({ ...t, turns: [], title: 'New chat' })) } function deleteThread(id: string) { setThreads((prev) => { const remaining = prev.filter((t) => t.id !== id) if (remaining.length === 0) { const t: Thread = { id: `t${Date.now()}`, title: 'New chat', updatedAt: new Date(), turns: [], } setActiveId(t.id) return [t] } if (id === activeIdRef.current) setActiveId(remaining[0].id) return remaining }) } function startRename(t: Thread) { setRenamingId(t.id) setRenameDraft(t.title) } function commitRename() { const id = renamingId if (!id) return const next = renameDraft.trim() if (next) { setThreads((prev) => prev.map((t) => (t.id === id ? { ...t, title: next } : t))) } setRenamingId(null) } function toggleFeedback(id: string, value: Feedback) { setFeedback((prev) => { const next = { ...prev } if (next[id] === value) delete next[id] else next[id] = value return next }) } function onComposerKey(e: React.KeyboardEvent) { if (e.key === 'Enter' && !e.shiftKey) { e.preventDefault() send() } } function onAttach(e: React.ChangeEvent) { const file = e.target.files?.[0] if (file) setAttachment({ name: file.name }) e.target.value = '' } return (

setSidebarSearch(e.target.value)} placeholder="Search chats" size="small" prefixIcon={} className="rounded-lg" />

{filteredThreads.length === 0 && (

No chats match “{sidebarSearch.trim()}”

)} {groupedThreads.map((group) => (

{group.key}

{group.items.map((t) => (

{renamingId === t.id ? ( setRenameDraft(e.target.value)} className="border-input bg-background focus-visible:ring-ring h-7 min-w-0 flex-1 rounded-md border px-2 text-sm outline-none focus-visible:ring-2" onKeyDown={(e) => { if (e.key === 'Enter') { e.preventDefault() commitRename() } if (e.key === 'Escape') { e.preventDefault() setRenamingId(null) } }} onBlur={commitRename} autoFocus /> ) : ( )} startRename(t)}> Rename deleteThread(t.id)}> Delete

))} ))}

You

Free plan

Settings Upgrade plan

{!sidebarOpen && ( )} {models.map((m) => ( setActiveModel(m)}>

{m.label}

{m.hint}

{m.id === activeModel.id && } ))}

{copiedId === 'conversation' ? 'Copied' : 'Copy conversation'} Clear thread

{isEmpty ? (

How can I help today?

Ask anything, or try one of these to get started.

{suggestions.map((s) => { const Icon = s.icon return ( ) })}

) : (

{turns.map((t) => (

{t.role === 'user' ? (

{t.body}

) : (

{t.body}

{t.code && (

{t.code.lang}

                              {t.code.content}

)}

{formatTime(t.createdAt)}

)}

))} {isStreaming && (

)}

{attachment && (

{attachment.name}

)}

setDraft(e.target.value)}
                placeholder={`Message ${activeModel.label}`}
                rows={1}
                className="placeholder:text-muted-foreground/70 max-h-48 min-h-12 w-full resize-none border-0 bg-transparent px-4 pt-3 pb-1 text-sm leading-relaxed outline-none"
                onKeyDown={onComposerKey}
              />
              <div className="flex items-center justify-between gap-2 px-2 pb-2">
                <div className="flex items-center gap-0.5">
                  <input ref={fileInput} type="file" className="sr-only" onChange={onAttach} />
                  <Button
                    variant="ghost"
                    size="icon"
                    className="text-muted-foreground hover:text-foreground size-8"
                    aria-label="Attach file"
                    onClick={() => fileInput.current?.click()}
                  >
                    <Paperclip className="size-4" />
                  </Button>
                  <span className="text-muted-foreground bg-muted ml-1 inline-flex h-7 items-center gap-1.5 rounded-md px-2 text-xs font-medium">
                    <Sparkles className="text-primary size-3" />
                    {activeModel.label}
                  </span>
                </div>
                <div className="flex items-center gap-2">
                  <kbd className="bg-muted text-muted-foreground hidden h-5 items-center gap-0.5 rounded border px-1.5 font-mono text-xs sm:inline-flex">
                    ↵
                  </kbd>
                  {isStreaming ? (
                    <Button
                      variant="outline"
                      className="h-8 gap-1.5 rounded-lg px-3 text-xs font-medium"
                      aria-label="Stop generating"
                      onClick={stop}
                    >
                      <Square className="size-3 fill-current" />
                      Stop
                    </Button>
                  ) : (
                    <Button
                      className="h-8 gap-1.5 rounded-lg px-3 text-xs font-medium"
                      disabled={!draft.trim() && !attachment}
                      aria-label="Send"
                      onClick={() => send()}
                    >
                      Send
                      <ArrowUp className="size-3.5" />
                    </Button>
                  )}
                </div>
              </div>
            </div>
            <p className="text-muted-foreground/70 mt-2 text-center text-xs">
              AI can make mistakes. Verify important info.
            </p>
          </div>
        </div>
      </section>