Address PR 112 review nits

- Remove unused textResponse import in apps.ts (dead import)
- Add .min(0) to browser pool fill_rate_per_minute so the schema
  rejects negatives; left unbounded above and non-integer since the
  SDK/API type it as a plain number (fractional/>100% rates are valid)

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

Author: IlyaasK

src/lib/mcp/tools/apps.ts

@@ -6,7 +6,6 @@ import {
   errorResponse,
   jsonResponse,
   paginatedJsonResponse,
-  textResponse,
   toolErrorResponse,
 } from "@/lib/mcp/responses";
 import { paginationParams } from "@/lib/mcp/schemas";

src/lib/mcp/tools/browser-pools.ts

@@ -257,6 +257,7 @@ export function registerBrowserPoolCapabilities(server: McpServer) {
         .optional(),
       fill_rate_per_minute: z
         .number()
+        .min(0)
         .describe(
           "(create, update) Pool fill rate percentage per minute. Default 10%.",
         )