fix(ui): remove exchange summary bar from ExecutionDiagram

ui/src/components/ExecutionDiagram/ExecutionDiagram.tsx

@@ -154,28 +154,6 @@ export function ExecutionDiagram({
 
   return (
     <div ref={containerRef} className={`${styles.executionDiagram} ${className ?? ''}`}>
-      {/* Exchange summary bar */}
-      <div className={styles.exchangeBar}>
-        <span className={styles.exchangeLabel}>Exchange</span>
-        <code className={styles.exchangeId}>{detail.exchangeId || detail.executionId}</code>
-        <span className={statusBadgeClass(detail.status)}>
-          {detail.status}
-        </span>
-        <span className={styles.exchangeMeta}>
-          {detail.applicationName} / {detail.routeId}
-        </span>
-        <span className={styles.exchangeMeta}>{detail.durationMs}ms</span>
-        {detail.status === 'FAILED' && (
-          <button
-            className={styles.jumpToError}
-            onClick={handleJumpToError}
-            type="button"
-          >
-            Jump to Error
-          </button>
-        )}
-      </div>
-
       {/* Diagram area */}
       <div className={styles.diagramArea} style={{ height: `${splitPercent}%` }}>
         <ProcessDiagram