diff --git a/Dockerfile b/Dockerfile
index e3c0810..07afea5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -35,5 +35,6 @@ COPY assets/custom.js /app/code/librechat/client/dist/assets/custom.js
 
 # Inject branding into built HTML (dist) before image is packaged
 # rebuild marker 20261019-$(date +%s)
-RUN sed -i 's|<title>LibreChat</title>|<title>Inference Co-op</title>|' /app/code/librechat/client/dist/index.html && \
-    sed -i '/<title>Inference Co-op<\/title>/a <link rel="stylesheet" href="assets/custom.css">' /app/code/librechat/client/dist/index.html
+RUN sed -i 's|<title>LibreChat</title>|<title>Inference Co‑op</title>|' /app/code/librechat/client/dist/index.html && \
+    sed -i '/<title>Inference Co‑op<\/title>/a <link rel="stylesheet" href="assets/custom.css">' /app/code/librechat/client/dist/index.html && \
+    sed -i '/<link rel="stylesheet" href="assets\/custom.css">/a <script src="assets/custom.js"></script>' /app/code/librechat/client/dist/index.html
diff --git a/assets/custom.js b/assets/custom.js
index 6d8d07d..2a0f1df 100644
--- a/assets/custom.js
+++ b/assets/custom.js
@@ -1,6 +1,15 @@
-// Auto‑load saved image generation API key into the MCP input field
+// Auto‑load saved image‑generation API key into the MCP input field.
+// If no key is stored, prompt the user once and persist it in localStorage.
 window.addEventListener('load', () => {
-  const savedKey = localStorage.getItem('image_api_key');
+  const storageKey = 'image_api_key';
+  let savedKey = localStorage.getItem(storageKey);
+  if (!savedKey) {
+    // Prompt user only once per browser session
+    savedKey = prompt('Enter your Inference Co‑op image‑generation API key (will be saved locally):');
+    if (savedKey) {
+      localStorage.setItem(storageKey, savedKey);
+    }
+  }
   if (savedKey) {
     const icInput = document.querySelector('input[name="IC_API_KEY"]');
     if (icInput) icInput.value = savedKey;