P14:[{"_319":64,"_320":61,"_321":322},"app1","app2","diffPatch","diff --git a/app/components/comparison-chat.tsx b/app/components/comparison-chat.tsx\nindex e10dff5..48ef120 100644\n--- a/app/components/comparison-chat.tsx\n+++ b/app/components/comparison-chat.tsx\n@@ -20,26 +20,39 @@ export function ComparisonChat({\n \tconst productIds = products.map((p) => p.id)\n \tconst [draft, setDraft] = useState('')\n \n+\t// 🐨 This page waits 20–30 seconds before anything appears, because it only\n+\t// renders `final` — the fully-validated object, which lands all at once.\n+\t// But the server is already streaming the comparison down token by token:\n+\t// `useChat({ outputSchema })` exposes that in-flight state as `partial`,\n+\t// a `DeepPartial` that updates on every JSON token.\n+\t//\n+\t// 💰 Add `partial` to the destructure below.\n \tconst { sendMessage, isLoading, final } = useChat({\n \t\tconnection: fetchServerSentEvents('/api/compare'),\n \t\tforwardedProps: { productIds },\n \t\toutputSchema: ComparisonSchema,\n \t})\n \n+\t// 🐨 Render `partial` while it streams in, then `final` once it validates.\n+\t// 💰 Change this one line to `const live = final ?? partial`. That's it.\n+\tconst live = final\n+\tconst hasData = live !== null && Object.keys(live).length > 0\n+\n+\t// 🦉 You don't touch `comparison-table.tsx` — open it and look. It already\n+\t// renders a `PartialComparison`, falling back to a `` for any\n+\t// field that hasn't streamed in yet (every value is `field ?? `,\n+\t// every array `?? []`). Reading `partial` is the *only* thing you change;\n+\t// the table was built to cope with half-written data from the start.\n+\n \treturn (\n \t\t

\n \t\t\t

\n-\t\t\t\t{final ? (\n-\t\t\t\t\t\n+\t\t\t\t{hasData ? (\n+\t\t\t\t\t\n \t\t\t\t) : isLoading ? (\n \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\t\tReading reviews and weighing your options…\n-\t\t\t\t\t\t

\n-\t\t\t\t\t\t

\n-\t\t\t\t\t\t\tThis can take 20–30 seconds while the model writes the whole comparison.\n-\t\t\t\t\t\t

\n+\t\t\t\t\t\t

Starting the comparison…

\n \t\t\t\t\t

\n \t\t\t\t) : (\n \t\t\t\t\t

\ndiff --git a/app/components/comparison-table.tsx b/app/components/comparison-table.tsx\nindex 15c92f3..e632935 100644\n--- a/app/components/comparison-table.tsx\n+++ b/app/components/comparison-table.tsx\n@@ -1,5 +1,6 @@\n-import { Award, Minus, Trophy } from 'lucide-react'\n-import { type Comparison } from '#app/schemas/comparison.ts'\n+import { Award, Trophy } from 'lucide-react'\n+import { Skeleton } from '#app/components/skeleton.tsx'\n+import { type PartialComparison } from '#app/schemas/comparison.ts'\n \n type ProductSummary = {\n \tid: string\n@@ -13,22 +14,28 @@ export function ComparisonTable({\n \tcomparison,\n \tproducts,\n }: {\n-\tcomparison: Comparison\n+\tcomparison: PartialComparison\n \tproducts: Array\n }) {\n \tconst productById = new Map(products.map((p) => [p.id, p]))\n-\tconst orderedRankings = [...comparison.rankings].sort(\n-\t\t(a, b) => a.rank - b.rank,\n+\tconst dimensions = comparison.dimensions ?? []\n+\tconst rankings = [...(comparison.rankings ?? [])].sort(\n+\t\t(a, b) => (a.rank ?? Infinity) - (b.rank ?? Infinity),\n \t)\n \n \treturn (\n \t\t

\n \t\t\t

\n \t\t\t\t

\n-\t\t\t\t\tComparing for: {comparison.criteria}\n+\t\t\t\t\tComparing for: {comparison.criteria ?? }\n \t\t\t\t

\n \t\t\t\t

\n-\t\t\t\t\t{comparison.summary}\n+\t\t\t\t\t{comparison.summary ?? (\n+\t\t\t\t\t\t\n+\t\t\t\t\t\t\t\n+\t\t\t\t\t\t\t\n+\t\t\t\t\t\t\n+\t\t\t\t\t)}\n \t\t\t\t

\n \t\t\t

\n \n@@ -36,13 +43,18 @@ export function ComparisonTable({\n \t\t\t\t

\n \t\t\t\t\tRankings\n \t\t\t\t

\n+\t\t\t\t{rankings.length === 0 ? (\n+\t\t\t\t\t

\n+\t\t\t\t\t\t\n+\t\t\t\t\t

\n+\t\t\t\t) : (\n \t\t\t\t\t

\n \t\t\t\t\t\t\t\t\t

\n-\t\t\t\t\t\t\t\t\t{isWinner ? : `#${r.rank}`}\n+\t\t\t\t\t\t\t\t\t\t{isWinner ? (\n+\t\t\t\t\t\t\t\t\t\t\t\n+\t\t\t\t\t\t\t\t\t\t) : r.rank !== undefined ? (\n+\t\t\t\t\t\t\t\t\t\t\t`#${r.rank}`\n+\t\t\t\t\t\t\t\t\t\t) : (\n+\t\t\t\t\t\t\t\t\t\t\t'…'\n+\t\t\t\t\t\t\t\t\t\t)}\n \t\t\t\t\t\t\t\t\t

\n \t\t\t\t\t\t\t\t\t

\n \t\t\t\t\t\t\t\t\t\t

\n-\t\t\t\t\t\t\t\t\t\t{product?.name ?? r.productId}\n+\t\t\t\t\t\t\t\t\t\t\t{product?.name ?? r.productId ?? }\n \t\t\t\t\t\t\t\t\t\t

\n \t\t\t\t\t\t\t\t\t\t

\n \t\t\t\t\t\t\t\t\t\t\t{product?.brand.name}\n \t\t\t\t\t\t\t\t\t\t\t{product ? ` · $${product.price}` : null}\n \t\t\t\t\t\t\t\t\t\t

\n \t\t\t\t\t\t\t\t\t\t

\n-\t\t\t\t\t\t\t\t\t\t{r.reason}\n+\t\t\t\t\t\t\t\t\t\t\t{r.reason ?? }\n \t\t\t\t\t\t\t\t\t\t

\n \t\t\t\t\t\t\t\t\t

\n \t\t\t\t\t\t\t\t\n \t\t\t\t\t\t\t)\n \t\t\t\t\t\t})}\n \t\t\t\t\t

\n+\t\t\t\t)}\n \t\t\t

\n \n \t\t\t

\n@@ -92,17 +111,28 @@ export function ComparisonTable({\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\t\t{comparison.dimensions.map((d) => (\n+\t\t\t\t\t\t\t{dimensions.length === 0 ? (\n+\t\t\t\t\t\t\t\t\n+\t\t\t\t\t\t\t\t\t\n+\t\t\t\t\t\t\t\t\t\t\n+\t\t\t\t\t\t\t\t\t\n+\t\t\t\t\t\t\t\t\n+\t\t\t\t\t\t\t) : (\n+\t\t\t\t\t\t\t\tdimensions.map((d, dIdx) => (\n \t\t\t\t\t\t\t\t\t\n \t\t\t\t\t\t\t\t\t\t\n-\t\t\t\t\t\t\t\t\t\t{d.name}\n+\t\t\t\t\t\t\t\t\t\t\t{d.name ?? }\n \t\t\t\t\t\t\t\t\t\t\n \t\t\t\t\t\t\t\t\t\t{products.map((p) => {\n-\t\t\t\t\t\t\t\t\t\tconst cell = d.values.find((v) => v.productId === p.id)\n+\t\t\t\t\t\t\t\t\t\t\tconst cell = d.values?.find((v) => v.productId === p.id)\n \t\t\t\t\t\t\t\t\t\t\tconst hasEdge = d.edge === p.id\n+\t\t\t\t\t\t\t\t\t\t\tconst cellValue = cell?.value\n \t\t\t\t\t\t\t\t\t\t\treturn (\n \t\t\t\t\t\t\t\t\t\t\t\t\n \t\t\t\t\t\t\t\t\t\t\t\t\t\t) : null}\n-\t\t\t\t\t\t\t\t\t\t\t\t\t{cell?.value ?? }\n+\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n+\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t{cellValue ?? }\n+\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n \t\t\t\t\t\t\t\t\t\t\t\t\t

\n \t\t\t\t\t\t\t\t\t\t\t\t\n \t\t\t\t\t\t\t\t\t\t\t)\n \t\t\t\t\t\t\t\t\t\t})}\n \t\t\t\t\t\t\t\t\t\n-\t\t\t\t\t\t\t))}\n+\t\t\t\t\t\t\t\t))\n+\t\t\t\t\t\t\t)}\n \t\t\t\t\t\t\n \t\t\t\t\t\n \t\t\t\t

\ndiff --git a/app/components/skeleton.tsx b/app/components/skeleton.tsx\nnew file mode 100644\nindex 0000000..58e20db\n--- /dev/null\n+++ b/app/components/skeleton.tsx\n@@ -0,0 +1,12 @@\n+/**\n+ * Thin grey bar used wherever a piece of data hasn't streamed in yet.\n+ * Render it anywhere the value will be filled in by a partial-streaming\n+ * field. Pass a tailwind width to control the bar's size.\n+ */\n+export function Skeleton({ className = '' }: { className?: string }) {\n+\treturn (\n+\t\t\n+\t)\n+}\ndiff --git a/app/schemas/comparison.ts b/app/schemas/comparison.ts\nindex 6dda65b..c69d7b9 100644\n--- a/app/schemas/comparison.ts\n+++ b/app/schemas/comparison.ts\n@@ -82,3 +82,31 @@ export const ComparisonSchema = z.object({\n })\n \n export type Comparison = z.infer\n+\n+/**\n+ * A `DeepPartial` — every field (and every field of every\n+ * nested object/array element) is optional. This is the shape `useChat`\n+ * exposes as `partial` while the model is still writing: fields land one\n+ * at a time as their JSON tokens are parsed.\n+ *\n+ * The `` accepts this shape so it can render skeleton\n+ * placeholders for fields that haven't streamed in yet, then fill them\n+ * in as tokens arrive.\n+ */\n+export type PartialComparison = {\n+\tcriteria?: string\n+\tdimensions?: Array<{\n+\t\tname?: string\n+\t\tvalues?: Array<{\n+\t\t\tproductId?: string\n+\t\t\tvalue?: string\n+\t\t}>\n+\t\tedge?: string | null\n+\t}>\n+\trankings?: Array<{\n+\t\tproductId?: string\n+\t\trank?: number\n+\t\treason?: string\n+\t}>\n+\tsummary?: string\n+}"]

app/components/comparison-chat.tsx-26+39App 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/comparison-table.tsx-94+127App 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/skeleton.tsx-0+12App 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/schemas/comparison.ts-3+31App 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/comparison-chat.tsx-26+39App 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/comparison-table.tsx-94+127App 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/skeleton.tsx-0+12App 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/schemas/comparison.ts-3+31App 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

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