Exclude generated dirs from Nuxt dev watcher

Author: Yndira-E

nuxt/nuxt.config.ts

@@ -37,6 +37,12 @@ export default defineNuxtConfig({
         }
     },
 
+// public/ (11ty static output) and .output/ (nuxt build) are large generated
+// directory trees. On macOS, chokidar watches them via kqueue which opens one
+// file descriptor per directory, pushing the process FD count high enough to
+// cause spawn EBADF when esbuild tries to start its service process.
+    ignore: ['public/**', '.output/**'],
+
     // Dev proxying to 11ty is handled by server/middleware/legacy.ts
     // to allow per-route exclusions as pages are migrated.
 })