chore(cloudflare): finalize OpenNext + Workers deploy config

Use defineCloudflareConfig in open-next.config.ts, add nsvk13.dev
custom domain routes, disable workers.dev/preview URLs, and ignore
local .wrangler state.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

Author: nsvk13

.gitignore

@@ -9,6 +9,7 @@
 
 # cloudflare / opennext
 /.open-next/
+/.wrangler/
 .dev.vars
 
 # production

open-next.config.ts

@@ -1,25 +1,6 @@
-import type { OpenNextConfig } from "@opennextjs/cloudflare";
+import { defineCloudflareConfig } from "@opennextjs/cloudflare";
 import r2IncrementalCache from "@opennextjs/cloudflare/overrides/incremental-cache/r2-incremental-cache";
 
-const config: OpenNextConfig = {
-  default: {
-    override: {
-      wrapper: "cloudflare-node",
-      converter: "edge",
-      incrementalCache: async () => r2IncrementalCache,
-      tagCache: "dummy",
-      queue: "dummy",
-    },
-  },
-
-  middleware: {
-    external: true,
-    override: {
-      wrapper: "cloudflare-edge",
-      converter: "edge",
-      proxyExternalRequest: "fetch",
-    },
-  },
-};
-
-export default config;
+export default defineCloudflareConfig({
+  incrementalCache: r2IncrementalCache,
+});

wrangler.jsonc

@@ -4,13 +4,19 @@
   "main": ".open-next/worker.js",
   "compatibility_date": "2026-04-30",
   "compatibility_flags": ["nodejs_compat"],
+  "workers_dev": false,
+  "preview_urls": false,
   "assets": {
     "directory": ".open-next/assets",
     "binding": "ASSETS"
   },
   "observability": {
     "enabled": true
   },
+  "routes": [
+    { "pattern": "nsvk13.dev", "custom_domain": true },
+    { "pattern": "www.nsvk13.dev", "custom_domain": true }
+  ],
   "r2_buckets": [
     {
       "binding": "NEXT_INC_CACHE_R2_BUCKET",