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feat: cooking assistant can propose creating a recipe

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Gives the general chat a createRecipe tool (Vercel AI SDK, stepCountIs(3))
scoped so it can only ever produce a draft — the tool's execute is a pure
echo, no DB write. The route surfaces the tool call as proposedRecipe
alongside the normal text answer; the chat UI renders it as a card with
explicit Create/Discard buttons. Create POSTs to the existing
/api/v1/recipes endpoint — the same code path and tier/recipe-count limit
the manual editor already goes through — so there's exactly one place
that actually creates a recipe row, and nothing happens without the user
clicking Create.

Scoped to the general assistant only (not per-recipe chat), and to one
tool for now — addToShoppingList/generateMealPlan are follow-ups.

v0.45.0
This commit is contained in:
Arnaud
2026-07-17 18:26:19 +02:00
parent 7d290c5b1f
commit 982d4e3264
10 changed files with 222 additions and 37 deletions
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apps/web/lib/openapi.ts
+8 -1
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@@ -313,7 +313,14 @@ export function generateOpenApiSpec(): object {
registry.registerPath({ method: "post", path: "/api/v1/ai/batch-cook/generate", summary: "Generate a batch-cooking plan (multiple dishes) as a new recipe", description: "Rate-limited: 3 req/min. Consumes AI quota.", security, request: { body: { content: { "application/json": { schema: z.object({ dinners: z.number().int().min(0).max(6).default(4), lunches: z.number().int().min(0).max(6).default(0), servings: z.number().int().min(1).max(12).default(4), dietaryPrefs: z.string().max(200).optional(), difficulty: z.enum(["easy", "medium", "hard"]).optional(), description: z.string().max(500).optional() }) } }, required: true } }, responses: { 200: { description: "New recipe id", content: { "application/json": { schema: z.object({ id: z.string() }) } } }, 400: { description: "Validation error or no dinners/lunches chosen", content: { "application/json": { schema: ApiErrorRef } } }, 429: { description: "Rate limited or AI quota exhausted", content: { "application/json": { schema: ApiErrorRef } } } } });
registry.registerPath({ method: "post", path: "/api/v1/ai/meal-plan/generate", summary: "Generate a week's meal plan (creates a draft recipe per entry)", description: "Rate-limited: 3 req/min. Consumes AI quota. Charges your tier's recipe limit for each generated entry (refunded if the limit is exceeded).", security, request: { body: { content: { "application/json": { schema: z.object({ weekStart: z.string().regex(/^\d{4}-\d{2}-\d{2}$/), dietaryPrefs: z.string().max(200).optional(), servings: z.number().int().min(1).max(20).default(2), days: z.array(z.enum(["mon", "tue", "wed", "thu", "fri", "sat", "sun"])).min(1).max(7).default(["mon", "tue", "wed", "thu", "fri", "sat", "sun"]), usePantry: z.boolean().default(false), pantryMode: z.boolean().default(false), difficulty: z.enum(["easy", "medium", "hard"]).optional(), targetNutritionGoals: z.boolean().default(false) }) } }, required: true } }, responses: { 200: { description: "Created entries", content: { "application/json": { schema: z.object({ weekStart: z.string(), entries: z.array(z.object({ id: z.string(), day: z.string(), mealType: z.string(), recipeId: z.string(), recipeTitle: z.string() })) }) } } }, 400: { description: "Validation error", content: { "application/json": { schema: ApiErrorRef } } }, 403: { description: "Recipe limit reached for your tier", content: { "application/json": { schema: ApiErrorRef } } }, 429: { description: "Rate limited or AI quota exhausted", content: { "application/json": { schema: ApiErrorRef } } } } });
registry.registerPath({ method: "post", path: "/api/v1/ai/recipe-ideas", summary: "Generate 6 diverse recipe idea cards (not saved)", description: "Rate-limited: 10 req/min. Consumes AI quota.", security, request: { body: { content: { "application/json": { schema: z.object({ prompt: z.string().max(300).optional() }) } } } }, responses: { 200: { description: "Six recipe ideas", content: { "application/json": { schema: z.array(z.object({ title: z.string(), description: z.string(), tags: z.array(z.string()).max(4), difficulty: z.enum(["easy", "medium", "hard"]), totalMins: z.number().int().optional() })) } } }, 400: { description: "Validation error", content: { "application/json": { schema: ApiErrorRef } } }, 429: { description: "Rate limited or AI quota exhausted", content: { "application/json": { schema: ApiErrorRef } } } } });
registry.registerPath({ method: "post", path: "/api/v1/ai/cooking-chat", summary: "Ask the general (not recipe-specific) cooking assistant a question", description: "Rate-limited: 30 req/min. Consumes AI quota. Returns a single JSON response (not streamed); persists the exchange to chat history. Pass conversationId (from POST /api/v1/ai/conversations) to group messages into a named conversation and auto-title it from the first question.", security, request: { body: { content: { "application/json": { schema: z.object({ question: z.string().min(1).max(500), conversationId: z.string().uuid().optional() }) } }, required: true } }, responses: { 200: { description: "Answer", content: { "application/json": { schema: z.object({ answer: z.string() }) } } }, 400: { description: "Validation error", content: { "application/json": { schema: ApiErrorRef } } }, 429: { description: "Rate limited or AI quota exhausted", content: { "application/json": { schema: ApiErrorRef } } } } });
const ProposedRecipeRef = registry.register("ProposedRecipe", z.object({
title: z.string(), description: z.string().optional(), baseServings: z.number().int(),
recipeType: z.enum(["dish", "drink"]), difficulty: z.enum(["easy", "medium", "hard"]).optional(),
prepMins: z.number().int().optional(), cookMins: z.number().int().optional(),
ingredients: z.array(z.object({ rawName: z.string(), quantity: z.number().optional(), unit: z.string().optional() })),
steps: z.array(z.object({ instruction: z.string() })),
}));
registry.registerPath({ method: "post", path: "/api/v1/ai/cooking-chat", summary: "Ask the general (not recipe-specific) cooking assistant a question", description: "Rate-limited: 30 req/min. Consumes AI quota. Returns a single JSON response (not streamed); persists the exchange to chat history. Pass conversationId (from POST /api/v1/ai/conversations) to group messages into a named conversation and auto-title it from the first question. If the user asks the assistant to create/save a recipe, the response may include proposedRecipe — a draft the assistant proposed but did NOT save; the caller must POST it to /api/v1/recipes itself to actually create it.", security, request: { body: { content: { "application/json": { schema: z.object({ question: z.string().min(1).max(500), conversationId: z.string().uuid().optional() }) } }, required: true } }, responses: { 200: { description: "Answer", content: { "application/json": { schema: z.object({ answer: z.string(), proposedRecipe: ProposedRecipeRef.optional() }) } } }, 400: { description: "Validation error", content: { "application/json": { schema: ApiErrorRef } } }, 429: { description: "Rate limited or AI quota exhausted", content: { "application/json": { schema: ApiErrorRef } } } } });
const AiConversationRef = registry.register("AiConversation", z.object({
id: z.string(), title: z.string().nullable(), createdAt: z.string().datetime(), updatedAt: z.string().datetime(),
}));