Update features and dependencies

apps/web/app/api/v1/ai/generate/route.ts

@@ -2,12 +2,14 @@ import { NextRequest, NextResponse } from "next/server";
 import { z } from "zod";
 import { requireSession } from "@/lib/api-auth";
 import { applyRateLimit } from "@/lib/rate-limit";
-import { checkTierLimit, incrementUsage } from "@/lib/tiers";
+import { checkAndIncrementTierLimit } from "@/lib/tiers";
 import { generateRecipe } from "@/lib/ai/features/generate-recipe";
+import { getUserPrivateBio } from "@/lib/ai/user-bio";
 
 const Schema = z.object({
   prompt: z.string().min(3).max(500),
   language: z.string().max(10).default("en"),
+  difficulty: z.enum(["easy", "medium", "hard"]).optional(),
   provider: z.enum(["openai", "anthropic", "openrouter", "ollama"]).optional(),
   model: z.string().optional(),
 });
@@ -25,15 +27,17 @@ export async function POST(req: NextRequest) {
   const limited = await applyRateLimit(`rl:ai:${session!.user.id}`, 10, 60);
   if (limited) return limited;
 
-  await checkTierLimit(session!.user.id, session!.user.tier as "free" | "pro", "aiCall");
+  await checkAndIncrementTierLimit(session!.user.id, session!.user.tier as "free" | "pro", "aiCall");
+
+  const privateBio = await getUserPrivateBio(session!.user.id);
 
   const recipe = await generateRecipe(parsed.data.prompt, {
     provider: parsed.data.provider,
     model: parsed.data.model,
     language: parsed.data.language,
+    difficulty: parsed.data.difficulty,
+    userContext: privateBio ?? undefined,
   });
 
-  await incrementUsage(session!.user.id, "aiCall");
-
   return NextResponse.json(recipe);
 }