diff --git a/frontend/scripts/build_media_manifest.mjs b/frontend/scripts/build_media_manifest.mjs
index 36d7cb4..0cb77d8 100644
--- a/frontend/scripts/build_media_manifest.mjs
+++ b/frontend/scripts/build_media_manifest.mjs
@@ -25,15 +25,29 @@ async function ensureDir(dir) {
   await fs.mkdir(dir, { recursive: true });
 }
 
+async function exists(dir) {
+  try {
+    await fs.access(dir);
+    return true;
+  } catch {
+    return false;
+  }
+}
+
 async function main() {
   try {
+    const sourceExists = await exists(SOURCE);
+    const rootExists = await exists(ROOT);
+    const source = sourceExists ? SOURCE : rootExists ? ROOT : null;
     await ensureDir(ROOT);
-    const files = await walk(SOURCE).catch(() => []);
-    for (const file of files) {
-      const src = path.join(SOURCE, file);
-      const dest = path.join(ROOT, file);
-      await ensureDir(path.dirname(dest));
-      await fs.copyFile(src, dest);
+    const files = source ? await walk(source) : [];
+    if (source && source !== ROOT) {
+      for (const file of files) {
+        const src = path.join(source, file);
+        const dest = path.join(ROOT, file);
+        await ensureDir(path.dirname(dest));
+        await fs.copyFile(src, dest);
+      }
     }
     const payload = {
       generated_at: new Date().toISOString(),
diff --git a/frontend/src/views/OnboardingView.vue b/frontend/src/views/OnboardingView.vue
index 55331c6..087ed33 100644
--- a/frontend/src/views/OnboardingView.vue
+++ b/frontend/src/views/OnboardingView.vue
@@ -29,16 +29,6 @@
         </button>
       </div>
 
-      <div v-if="requestUsername" class="status-meta">
-        <div class="meta-row">
-          <span class="label mono">Username</span>
-          <button class="copy mono" type="button" @click="copyUsername">
-            {{ requestUsername }}
-            <span v-if="usernameCopied" class="copied">copied</span>
-          </button>
-        </div>
-      </div>
-
       <div v-if="status === 'pending_email_verification'" class="steps">
         <h3>Confirm your email</h3>
         <p class="muted">
@@ -166,7 +156,7 @@
                 class="secondary"
                 type="button"
                 @click="nextSection"
-                :disabled="!hasNextSection || isSectionLocked(nextSectionItem)"
+                :disabled="!hasNextSection || isSectionLocked(nextSectionItem) || !sectionGateComplete(activeSection)"
               >
                 Next
               </button>
@@ -209,7 +199,7 @@
 
               <div v-if="step.action === 'auto'" class="step-actions">
                 <button class="secondary" type="button" @click="check" :disabled="loading">
-                  Recheck status
+                  Confirm
                 </button>
               </div>
 
@@ -1172,6 +1162,13 @@ button.secondary {
   font-weight: 600;
 }
 
+button.primary:disabled,
+button.secondary:disabled,
+button.copy:disabled {
+  opacity: 0.45;
+  cursor: not-allowed;
+}
+
 .steps {
   margin-top: 16px;
 }
@@ -1230,23 +1227,27 @@ button.secondary {
   display: flex;
   flex-direction: column;
   gap: 6px;
+  min-width: 0;
 }
 
 .stepper-title {
   font-weight: 700;
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
 }
 
 .stepper-meta {
   display: flex;
   align-items: center;
-  justify-content: space-between;
-  gap: 6px 10px;
-  flex-wrap: wrap;
+  justify-content: flex-start;
+  gap: 6px;
+  flex-wrap: nowrap;
   color: var(--text-muted);
 }
 
 .pill-compact {
-  padding: 6px 10px;
+  padding: 6px 8px;
   font-size: 12px;
   white-space: nowrap;
   max-width: 100%;
@@ -1355,6 +1356,8 @@ button.secondary {
   border-radius: 14px;
   padding: 12px 12px 10px;
   background: rgba(255, 255, 255, 0.02);
+  display: flex;
+  flex-direction: column;
 }
 
 .step-card.blocked {
@@ -1417,6 +1420,8 @@ button.secondary {
   display: flex;
   align-items: center;
   gap: 12px;
+  justify-content: flex-end;
+  margin-top: auto;
 }
 
 .recovery-verify {