style: clean up code formatting and remove trailing whitespace

refactor: reorganize imports and fix type imports

app/api/admin/items/analyze/route.ts

@@ -1,8 +1,8 @@
-import { NextRequest, NextResponse } from "next/server";
-import { requireAdminUser } from "@/lib/auth/middleware";
+import { type NextRequest, NextResponse } from "next/server";
 import { generateItemStructure } from "@/lib/ai/generate-item-structure";
 import { calculateTokenCost } from "@/lib/ai/token-pricing";
 import { recordTokenUsage } from "@/lib/ai/token-usage";
+import { requireAdminUser } from "@/lib/auth/middleware";
 
 export async function POST(request: NextRequest) {
   const auth = await requireAdminUser(request);
@@ -39,7 +39,7 @@ export async function POST(request: NextRequest) {
         success: false,
         error: "Forneça descrição ou ao menos uma imagem para análise.",
       },
-      { status: 400 }
+      { status: 400 },
     );
   }
 
@@ -64,7 +64,8 @@ export async function POST(request: NextRequest) {
   });
 
   // Cálculo de custo baseado em usageMetadata
-  const model = (result.model ?? "gemini-2.5-flash") as keyof typeof import("@/lib/ai/token-pricing").TOKEN_PRICING;
+  const _model = (result.model ??
+    "gemini-2.5-flash") as keyof typeof import("@/lib/ai/token-pricing").TOKEN_PRICING;
   const breakdown = calculateTokenCost("gemini-2.5-flash", result.usage);
 
   // Persistir histórico para relatórios (não bloqueia resposta; erros são logados no Redis util)
@@ -104,7 +105,6 @@ export async function POST(request: NextRequest) {
       model: result.model ?? "gemini-2.5-flash",
       requestId,
     },
-    { status: 200 }
+    { status: 200 },
   );
 }
-