fix: remove redundant symbol badge, highlight symbol in label

- Remove symbol badge between input boxes (input now stays in sync)
- Change label to 'Symbol: IREN' with the symbol value in accent/pink color

app/src/components/ConfluencePanel.tsx

@@ -126,10 +126,11 @@ export function ConfluencePanel() {
 
       {/* Header */}
       <div className="flex flex-wrap items-end gap-4">
-        <div className="flex items-end gap-2">
-          <div>
-            <label className="block text-xs text-fg-muted mb-1">Symbol</label>
-            <div className="relative w-48">
+        <div>
+          <label className="block text-xs text-fg-muted mb-1">
+            Symbol: <span className="text-accent font-medium">{symbol}</span>
+          </label>
+          <div className="relative w-48">
             <SymbolAutocomplete
               value={searchQuery}
               onChange={setSearchQuery}
@@ -139,13 +140,7 @@ export function ConfluencePanel() {
               ariaLabel="Select symbol for signal confluence"
               inputClassName="w-full bg-surface-sunken border border-line rounded-lg px-3 py-1.5 text-xs text-fg placeholder:text-fg-muted focus:outline-none focus:border-accent focus:ring-1 focus:ring-accent"
             />
-            </div>
           </div>
-          {symbol && (
-            <span className="mb-0.5 inline-flex items-center rounded bg-accent/10 border border-accent/30 px-2 py-1.5 text-xs font-medium text-accent">
-              {symbol}
-            </span>
-          )}
         </div>
         <div>
           <label className="block text-xs text-fg-muted mb-1">Rack</label>