Hide legacy endpoint badges; improve lane API key handling

api-tester.html

@@ -461,18 +461,7 @@
         }
 
         .endpoint-preset {
-            font-size: 0.625rem;
-            padding: 0.125rem 0.375rem;
-            background: var(--surface-hover);
-            border: 1px solid var(--border);
-            border-radius: 4px;
-            color: var(--text-dim);
-            cursor: pointer;
-        }
-
-        .endpoint-preset:hover {
-            border-color: var(--accent);
-            color: var(--accent);
+            display: none;
         }
 
         .notice {
@@ -1082,10 +1071,8 @@
             const model = document.getElementById(`${laneId}-model`).value;
             const chainCount = parseInt(document.getElementById(`${laneId}-chain`).value) || 1;
             const systemPrompt = document.getElementById(`${laneId}-system`).value;
-            const laneApiKeyEl = document.getElementById(`${laneId}-apiKey`);
-            const apiKey = laneApiKeyEl && laneApiKeyEl.value
-                ? laneApiKeyEl.value
-                : document.getElementById('globalApiKey').value;
+            const apiKeyInput = document.getElementById(`${laneId}-apiKey`);
+            const apiKey = apiKeyInput?.value || document.getElementById('globalApiKey').value;
             const isStream = document.querySelector('input[name="streamMode"]:checked').value === 'true';
 
             const outputSection = document.getElementById(`${laneId}-outputs`);