diff --git a/web/.gitignore b/web/.gitignore
index e985853..ab3d06f 100644
--- a/web/.gitignore
+++ b/web/.gitignore
@@ -1 +1,3 @@
-.vercel
+# Keep .vercel/project.json committed — it pins the project link so
+# re-linking is never needed. Only ignore the generated README inside.
+.vercel/README.txt
diff --git a/web/.vercel/project.json b/web/.vercel/project.json
new file mode 100644
index 0000000..2ce8e7b
--- /dev/null
+++ b/web/.vercel/project.json
@@ -0,0 +1 @@
+{"projectId":"prj_7eEs3g4U9LroVbaW6GuJztpjNWBt","orgId":"team_OjHXbgdnwxpvqxLdMdvw6v8z","projectName":"tiny-tpu"}
\ No newline at end of file
diff --git a/web/vercel.json b/web/vercel.json
index c406c49..9d1acfd 100644
--- a/web/vercel.json
+++ b/web/vercel.json
@@ -1,4 +1,8 @@
 {
+  "framework": "astro",
+  "installCommand": "pnpm install --frozen-lockfile",
+  "buildCommand": "pnpm run build",
+  "outputDirectory": "dist",
   "headers": [
     {
       "source": "/tiny_tpu.wasm",