fix: validate MCP v2 routes

apps/nextjs/src/app/api/mcp/[transport]/route.spec.ts

@@ -101,7 +101,7 @@ async function callMcp(method: string, params: Record<string, unknown> = {}, id
   const data = response.headers.get("content-type")?.includes("text/event-stream")
     ? text
         .split("\n")
-        .find((line) => line.startsWith("data: "))
+        .find((line: string) => line.startsWith("data: "))
         ?.slice("data: ".length)
     : text;
   if (!data) throw new Error(`MCP response did not contain JSON-RPC data: ${text}`);

apps/nextjs/src/app/api/mcp/_handler.ts

@@ -1,6 +1,7 @@
 import type { NextRequest } from "next/server";
 import { userAgent } from "next/server";
-import { ResourceTemplate, type McpServer } from "@modelcontextprotocol/server";
+import type { McpServer } from "@modelcontextprotocol/server";
+import { ResourceTemplate } from "@modelcontextprotocol/server";
 import { z } from "zod/v4";
 
 import type { McpTool } from "@homarr/api/mcp";