feat: general cooking-question chatbot on the recipes homepage
The existing recipe chat (RecipeChatPanel) is tightly scoped to one recipe — recipeId is required and its system prompt embeds that recipe's full ingredient/step context. Added a sibling, not a modification: a new floating assistant on the recipes list page for questions that aren't about any specific recipe (technique, substitutions, timing, food safety). New /api/v1/ai/cooking-chat route (same quota/rate-limit/model-resolution pattern as recipe-chat, minus the recipe lookup) and CookingAssistantPanel component (same floating-button + Sheet UI). Positioned at bottom-24 rather than bottom-6 so it doesn't sit in the same band as the recipe list's floating bulk-action bar during select mode. Verified locally: asked a real cooking question through the actual UI, got a correctly-formatted markdown answer with no recipe context leaking in (confirmed the request payload only carries the question, no recipeId).
This commit is contained in:
Arnaud
@@ -7,6 +7,7 @@ import { eq, desc, asc, and, ilike, or, inArray } from "@epicure/db";
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import { RecipesHeader } from "@/components/recipe/recipes-header";
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import { RecipesEmptyState } from "@/components/recipe/recipes-empty-state";
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import { RecipesGrid } from "@/components/recipe/recipes-grid";
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import { CookingAssistantPanel } from "@/components/recipe/cooking-assistant-panel";
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import { getMessages } from "@/lib/i18n/server";
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export const metadata: Metadata = {};
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@@ -139,6 +140,8 @@ export default async function RecipesPage({ searchParams }: { searchParams: Sear
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)}
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</div>
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)}
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<CookingAssistantPanel />
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</div>
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);
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}
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@@ -0,0 +1,50 @@
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import { NextRequest, NextResponse } from "next/server";
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import { z } from "zod";
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import { generateText } from "ai";
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import { requireSession } from "@/lib/api-auth";
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import { applyRateLimit } from "@/lib/rate-limit";
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import { withAiQuota, resolveAiConfigOrError } from "@/lib/ai/ai-error";
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import { getModelConfigForUseCase } from "@/lib/ai/resolve-user-key";
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import { resolveModel } from "@/lib/ai/factory";
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import { getUserPrivateBio, buildUserBioContext } from "@/lib/ai/user-bio";
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const Schema = z.object({
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question: z.string().min(1).max(500),
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});
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const LANG: Record<string, string> = { en: "English", fr: "French" };
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export async function POST(req: NextRequest) {
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const { session, response } = await requireSession();
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if (response) return response;
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const body = await req.json() as unknown;
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const parsed = Schema.safeParse(body);
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if (!parsed.success) {
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return NextResponse.json({ error: "Validation error" }, { status: 400 });
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}
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const limited = await applyRateLimit(`rl:ai:${session!.user.id}`, 30, 60);
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if (limited) return limited;
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const [configResult, privateBio] = await Promise.all([
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resolveAiConfigOrError(() => getModelConfigForUseCase(session!.user.id, "text")),
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getUserPrivateBio(session!.user.id),
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]);
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if (!configResult.ok) return configResult.response;
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const model = resolveModel(configResult.data);
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const bioContext = buildUserBioContext(privateBio);
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const locale = (session!.user as { locale?: string }).locale ?? "en";
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const lang = LANG[locale] ?? "English";
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const result = await withAiQuota(session!.user.id, session!.user.tier as "free" | "pro", () =>
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generateText({
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model,
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system: `You are a helpful culinary assistant answering general cooking questions — not tied to any specific recipe (techniques, substitutions, timing, equipment, food safety, etc). If a question has nothing to do with cooking or food, politely redirect. Keep answers under 200 words. Respond in ${lang}.${bioContext}`,
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prompt: parsed.data.question,
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})
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);
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if (!result.ok) return result.response;
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return NextResponse.json({ answer: result.data.text });
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}
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@@ -0,0 +1,179 @@
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"use client";
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import { useState, useRef, useEffect } from "react";
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import { useTranslations } from "next-intl";
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import { Button } from "@/components/ui/button";
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import { Input } from "@/components/ui/input";
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import { Sheet, SheetContent, SheetHeader, SheetTitle } from "@/components/ui/sheet";
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import { MessageCircle, Send, Bot, User } from "lucide-react";
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import ReactMarkdown from "react-markdown";
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import { cn } from "@/lib/utils";
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type Message = {
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role: "user" | "assistant";
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content: string;
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};
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export function CookingAssistantPanel() {
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const t = useTranslations("cookingChat");
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const [open, setOpen] = useState(false);
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const [messages, setMessages] = useState<Message[]>([]);
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const [input, setInput] = useState("");
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const [loading, setLoading] = useState(false);
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const bottomRef = useRef<HTMLDivElement>(null);
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useEffect(() => {
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if (open && bottomRef.current) {
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bottomRef.current.scrollIntoView({ behavior: "smooth" });
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}
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}, [messages, open]);
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const handleSubmit = async (e: React.FormEvent) => {
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e.preventDefault();
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const question = input.trim();
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if (!question || loading) return;
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setInput("");
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setMessages((prev) => [...prev, { role: "user", content: question }]);
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setLoading(true);
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try {
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const res = await fetch("/api/v1/ai/cooking-chat", {
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method: "POST",
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headers: { "Content-Type": "application/json" },
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body: JSON.stringify({ question }),
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});
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const data = await res.json() as { answer?: string; error?: string };
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setMessages((prev) => [
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...prev,
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{ role: "assistant", content: data.answer ?? t("sorry") },
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]);
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} catch {
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setMessages((prev) => [
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...prev,
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{ role: "assistant", content: t("error") },
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]);
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} finally {
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setLoading(false);
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}
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};
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const suggestions = [
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t("suggestion1"),
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t("suggestion2"),
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t("suggestion3"),
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t("suggestion4"),
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];
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return (
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<>
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<Button
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variant="default"
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size="icon"
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// bottom-24 (not bottom-6, like the per-recipe chat button) clears the
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// recipe list's floating bulk-action bar, which occupies the bottom-4
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// to bottom-8 band while select mode is active.
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className="fixed bottom-24 right-6 h-12 w-12 rounded-full shadow-lg z-40"
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onClick={() => setOpen(true)}
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aria-label={t("ariaLabel")}
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>
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<MessageCircle className="h-5 w-5" />
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</Button>
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<Sheet open={open} onOpenChange={setOpen}>
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<SheetContent side="right" className="w-full sm:w-[420px] flex flex-col p-0">
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<SheetHeader className="px-4 py-3 pr-10 border-b shrink-0">
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<SheetTitle className="text-base flex items-center gap-2">
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<Bot className="h-4 w-4 text-primary" />
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{t("title")}
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</SheetTitle>
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<p className="text-xs text-muted-foreground text-left">{t("subtitle")}</p>
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</SheetHeader>
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<div className="flex-1 overflow-y-auto px-4 py-4 space-y-4 min-h-0">
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{messages.length === 0 && (
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<div className="space-y-3">
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<p className="text-sm text-muted-foreground text-center py-4">
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{t("intro")}
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</p>
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<div className="space-y-2">
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{suggestions.map((s) => (
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<button
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key={s}
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onClick={() => setInput(s)}
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className="w-full text-left text-sm px-3 py-2 rounded-lg border bg-muted/50 hover:bg-muted transition-colors"
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>
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{s}
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</button>
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))}
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</div>
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</div>
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)}
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{messages.map((msg, i) => (
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<div
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key={i}
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className={cn(
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"flex gap-2 items-start",
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msg.role === "user" && "flex-row-reverse"
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)}
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>
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<div className={cn(
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"h-7 w-7 shrink-0 rounded-full flex items-center justify-center",
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msg.role === "user"
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? "bg-primary text-primary-foreground"
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: "bg-muted text-muted-foreground"
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)}>
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{msg.role === "user" ? <User className="h-3.5 w-3.5" /> : <Bot className="h-3.5 w-3.5" />}
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</div>
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<div className={cn(
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"rounded-xl px-3 py-2 text-sm max-w-[80%] leading-relaxed",
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msg.role === "user"
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? "bg-primary text-primary-foreground whitespace-pre-wrap"
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: "bg-muted space-y-2 [&_ul]:list-disc [&_ol]:list-decimal [&_ul]:pl-4 [&_ol]:pl-4 [&_strong]:font-semibold [&_li]:my-0.5"
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)}>
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{msg.role === "assistant" ? (
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<ReactMarkdown>{msg.content}</ReactMarkdown>
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) : (
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msg.content
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)}
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</div>
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</div>
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))}
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{loading && (
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<div className="flex gap-2 items-start">
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<div className="h-7 w-7 shrink-0 rounded-full flex items-center justify-center bg-muted text-muted-foreground">
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<Bot className="h-3.5 w-3.5" />
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</div>
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<div className="rounded-xl px-3 py-2 bg-muted">
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<span className="flex gap-1">
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<span className="w-1.5 h-1.5 rounded-full bg-muted-foreground animate-bounce [animation-delay:0ms]" />
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<span className="w-1.5 h-1.5 rounded-full bg-muted-foreground animate-bounce [animation-delay:150ms]" />
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<span className="w-1.5 h-1.5 rounded-full bg-muted-foreground animate-bounce [animation-delay:300ms]" />
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</span>
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</div>
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</div>
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)}
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<div ref={bottomRef} />
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</div>
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<form onSubmit={handleSubmit} className="px-4 py-3 border-t shrink-0 flex gap-2">
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<Input
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value={input}
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onChange={(e) => setInput(e.target.value)}
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placeholder={t("inputPlaceholder")}
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disabled={loading}
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className="flex-1"
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autoComplete="off"
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/>
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<Button type="submit" size="icon" disabled={loading || !input.trim()} aria-label={t("send")}>
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<Send className="h-4 w-4" />
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</Button>
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</form>
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</SheetContent>
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</Sheet>
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</>
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);
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}
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@@ -388,6 +388,20 @@
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"inputPlaceholder": "Ask a question…",
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"send": "Send message"
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},
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"cookingChat": {
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"sorry": "Sorry, I couldn't answer that.",
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"error": "Something went wrong. Please try again.",
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"suggestion1": "How do I know when oil is hot enough?",
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"suggestion2": "What's a good substitute for buttermilk?",
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"suggestion3": "How long can I keep leftovers in the fridge?",
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"suggestion4": "What's the difference between simmering and boiling?",
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"ariaLabel": "Ask a cooking question",
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"title": "Cooking assistant",
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"subtitle": "Ask any cooking question — not tied to a specific recipe",
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"intro": "Ask anything about cooking — techniques, substitutions, timing, equipment…",
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"inputPlaceholder": "Ask a question…",
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"send": "Send message"
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},
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"servingScaler": {
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"servings": "Servings",
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"reset": "Reset",
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@@ -388,6 +388,20 @@
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"inputPlaceholder": "Posez une question…",
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"send": "Envoyer le message"
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},
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"cookingChat": {
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"sorry": "Désolé, je n'ai pas pu répondre à cela.",
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"error": "Une erreur s'est produite. Veuillez réessayer.",
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"suggestion1": "Comment savoir si l'huile est assez chaude ?",
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"suggestion2": "Quel est un bon substitut au lait fermenté ?",
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"suggestion3": "Combien de temps puis-je garder des restes au frigo ?",
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"suggestion4": "Quelle est la différence entre mijoter et bouillir ?",
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"ariaLabel": "Poser une question de cuisine",
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"title": "Assistant culinaire",
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"subtitle": "Posez n'importe quelle question de cuisine — pas liée à une recette précise",
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"intro": "Demandez n'importe quoi sur la cuisine — techniques, substitutions, minutage, équipement…",
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"inputPlaceholder": "Posez une question…",
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"send": "Envoyer le message"
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},
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"servingScaler": {
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"servings": "Portions",
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"reset": "Réinitialiser",
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