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feat: persist AI chat history, add search across it

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Both chat panels (per-recipe and the general cooking assistant) previously
kept messages in component state only — closing the sheet or reloading
the page lost everything. Both POST routes now persist question+answer
pairs to a new chat_messages table (recipeId null for the general
assistant), and both panels load their own history back on open.

New GET /api/v1/ai/chat-history (scoped by recipeId, or scope=general for
the homepage assistant, or neither to search across everything) backs a
new search control in both panels' header — debounced, shows matched
messages with date and (when searching across everything) which recipe
they belonged to.

Verified locally: asked a real question, closed and reopened the panel
and confirmed the conversation reloaded, then searched a keyword from
that conversation and confirmed both the question and answer surfaced
in the results dropdown.
This commit is contained in:
Arnaud
2026-07-12 22:37:39 +02:00
parent 0062220d8e
commit 96ef5b8379
8 changed files with 237 additions and 9 deletions
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apps/web/app/api/v1/ai/recipe-chat/route.ts
+6 -1
View File
@@ -6,7 +6,7 @@ import { applyRateLimit } from "@/lib/rate-limit";
import { withAiQuota, resolveAiConfigOrError } from "@/lib/ai/ai-error";
import { getModelConfigForUseCase } from "@/lib/ai/resolve-user-key";
import { resolveModel } from "@/lib/ai/factory";
import { db, recipes, eq, and } from "@epicure/db";
import { db, recipes, chatMessages, eq, and } from "@epicure/db";
import { getUserPrivateBio, buildUserBioContext } from "@/lib/ai/user-bio";
import { hasQuantity } from "@/lib/fractions";
@@ -84,5 +84,10 @@ ${recipeContext}${bioContext}`,
);
if (!result.ok) return result.response;
void db.insert(chatMessages).values([
{ id: crypto.randomUUID(), userId: session!.user.id, recipeId: recipe.id, role: "user", content: parsed.data.question },
{ id: crypto.randomUUID(), userId: session!.user.id, recipeId: recipe.id, role: "assistant", content: result.data.text },
]).catch((err) => console.error("[recipe-chat] failed to persist chat history", err));
return NextResponse.json({ answer: result.data.text });
}