P14:[{"_319":103,"_320":100,"_321":322},"app1","app2","diffPatch","diff --git a/app/components/product-chat.tsx b/app/components/product-chat.tsx\nindex 59945a6..ffc4a6d 100644\n--- a/app/components/product-chat.tsx\n+++ b/app/components/product-chat.tsx\n@@ -40,70 +40,14 @@ function useCurrentProduct(): ProductChatContext | undefined {\n \t}\n }\n \n-/**\n- * Floating chat panel pinned to the bottom-right of every customer-facing\n- * page (mounted from `app/routes/_landing/_layout.tsx`).\n- *\n- * 🐨 In this exercise you'll replace the hand-rolled `fetch` setup below with\n- * TanStack AI's `useChat` hook. The imports above are already in scope:\n- * - `useChat` manages messages, loading state, and the streaming connection\n- * - `fetchServerSentEvents('/api/chat')` is the connection adapter that\n- * knows how to consume our SSE endpoint\n- *\n- * 💣 Everything marked with the bomb emoji below is the hand-rolled fetch\n- * wrapper that lit up the panel in the previous exercise. Delete those\n- * pieces as you wire `useChat` — they'll all be replaced.\n- */\n export function ProductChat() {\n \tconst product = useCurrentProduct()\n \tconst [isOpen, setIsOpen] = useState(false)\n \tconst [draft, setDraft] = useState('')\n \n-\t// 💣 Hand-rolled chat state — to be replaced by `useChat`.\n-\tconst [reply, setReply] = useState('')\n-\tconst [error, setError] = useState(null)\n-\tconst [isLoading, setIsLoading] = useState(false)\n-\n-\t// 💣 Hand-rolled chat submission — to be replaced by `useChat`'s\n-\t// `sendMessage`.\n-\tasync function sendHandRolled(event: React.FormEvent) {\n-\t\tevent.preventDefault()\n-\t\tif (!draft.trim() || isLoading) return\n-\t\tsetError(null)\n-\t\tsetReply('')\n-\t\tsetIsLoading(true)\n-\t\ttry {\n-\t\t\tconst res = await fetch('/api/chat', {\n-\t\t\t\tmethod: 'POST',\n-\t\t\t\theaders: { 'Content-Type': 'application/json' },\n-\t\t\t\t// TanStack AI validates this against AG-UI's RunAgentInput, so even\n-\t\t\t\t// a hand-rolled request needs threadId/runId, a per-message id, and\n-\t\t\t\t// (here empty) tools/context arrays.\n-\t\t\t\tbody: JSON.stringify({\n-\t\t\t\t\tthreadId: crypto.randomUUID(),\n-\t\t\t\t\trunId: crypto.randomUUID(),\n-\t\t\t\t\tmessages: [{ id: crypto.randomUUID(), role: 'user', content: draft }],\n-\t\t\t\t\ttools: [],\n-\t\t\t\t\tcontext: [],\n-\t\t\t\t}),\n+\tconst { messages, sendMessage, isLoading } = useChat({\n+\t\tconnection: fetchServerSentEvents('/api/chat'),\n \t})\n-\t\t\tif (!res.ok) {\n-\t\t\t\tthrow new Error(`${res.status} ${await res.text()}`)\n-\t\t\t}\n-\t\t\tsetReply(await res.text())\n-\t\t\tsetDraft('')\n-\t\t} catch (err) {\n-\t\t\tsetError(err instanceof Error ? err.message : String(err))\n-\t\t} finally {\n-\t\t\tsetIsLoading(false)\n-\t\t}\n-\t}\n-\n-\t// 🐨 Reference the pre-imported names so TypeScript stays happy until you\n-\t// consume them. Delete these `void` calls once `useChat` is wired.\n-\tvoid useChat\n-\tvoid fetchServerSentEvents\n-\tvoid TextPart\n \n \treturn (\n \t\t

\n@@ -132,26 +76,6 @@ export function ProductChat() {\n \t\t\t\t\t\t\t👋 Hi! Ask me anything about this product.\n \t\t\t\t\t\t

\n \n-\t\t\t\t\t\t{/* 💣 Delete the `

` and the error `` below — they\n-\t\t\t\t\t\t    belong to the hand-written `fetch`. */}\n-\t\t\t\t\t\t{reply ? (\n-\t\t\t\t\t\t\t\n-\t\t\t\t\t\t\t\t{reply}\n-\t\t\t\t\t\t\t
\n-\t\t\t\t\t\t) : null}\n-\t\t\t\t\t\t{error ? (\n-\t\t\t\t\t\t\t\n-\t\t\t\t\t\t\t\t⚠️ {error}\n-\t\t\t\t\t\t\t
\n-\t\t\t\t\t\t) : null}\n-\n-\t\t\t\t\t\t{/*\n-\t\t\t\t\t\t💰 After deleting the bomb-marked code above, uncomment this\n-\t\t\t\t\t\t   messages list in its place. It walks each message's\n-\t\t\t\t\t\t   `parts` and renders every `text` part through `TextPart`\n-\t\t\t\t\t\t   so the bot's bold, lists, and other formatting show up\n-\t\t\t\t\t\t   nicely instead of as raw asterisks.\n-\n \t\t\t\t\t\t{messages.map((m) => (\n \t\t\t\t\t\t\t\n \t\t\t\t\t\t))}\n-\t\t\t\t\t\t*/}\n \t\t\t\t\t
\n \n-\t\t\t\t\t{/* 💣 The form's `onSubmit` calls the hand-rolled fetch. Repoint\n-\t\t\t\t\t    it at `useChat`'s `sendMessage`. */}\n \t\t\t\t\t {\n+\t\t\t\t\t\t\tevent.preventDefault()\n+\t\t\t\t\t\t\tif (!draft.trim() || isLoading) return\n+\t\t\t\t\t\t\tvoid sendMessage(draft)\n+\t\t\t\t\t\t\tsetDraft('')\n+\t\t\t\t\t\t}}\n \t\t\t\t\t\tclassName=\"flex items-center gap-2 border-t border-stone-200 p-3 dark:border-gray-700\"\n \t\t\t\t\t>\n \t\t\t\t\t\t

app/components/product-chat.tsx-109+35App 1Copy app 2 file to app 1 (Option+Command to sync without opening)Copy app 1 file to app 2 (Option+Command to sync without opening)App 2

app/components/product-chat.tsx-109+35App 1Copy app 2 file to app 1 (Option+Command to sync without opening)Copy app 1 file to app 2 (Option+Command to sync without opening)App 2

App 1
App 2

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App 2