diff --git a/cloudflare-worker/.gitignore b/cloudflare-worker/.gitignore
new file mode 100644
index 0000000..b75a0fa
--- /dev/null
+++ b/cloudflare-worker/.gitignore
@@ -0,0 +1 @@
+.wrangler/
diff --git a/cloudflare-worker/hubspot-proxy.js b/cloudflare-worker/hubspot-proxy.js
index c6610bc..c3a9bcb 100644
--- a/cloudflare-worker/hubspot-proxy.js
+++ b/cloudflare-worker/hubspot-proxy.js
@@ -297,6 +297,9 @@ async function getNextRef(token) {
       limit: 100,
     }),
   });
+  if (!res.ok) {
+    throw new Error(`HubSpot search failed: ${res.status}`);
+  }
   const data = await res.json();
   let maxNum = 0;
   (data.results || []).forEach(c => {
diff --git a/cloudflare-worker/wrangler.toml b/cloudflare-worker/wrangler.toml
index 79b64ea..c385fb7 100644
--- a/cloudflare-worker/wrangler.toml
+++ b/cloudflare-worker/wrangler.toml
@@ -1,11 +1,12 @@
 name = "mva-hubspot-proxy"
 main = "hubspot-proxy.js"
 compatibility_date = "2026-04-01"
+workers_dev = true
 
 # KV namespace — placeholder ID, populated at deploy time (Phase D3)
 [[kv_namespaces]]
 binding = "WELCOME_KV"
-id = "REPLACE_AT_DEPLOY_TIME"
+id = "c02656ba22064923ab1c6db06b0f4a56"
 
 # Required secrets to configure via `wrangler secret put` :
 # - HUBSPOT_TOKEN