fix(dashboard): swap Analytics/Monitor tab order, shrink Sagi avatar size

Sagi avatar 90->68px, tab buttons render Analytics before Monitor.

client/src/pages/Dashboard.tsx

@@ -2554,16 +2554,6 @@ export function Dashboard() {
         <div className="flex items-center gap-3">
           {/* Tabs */}
           <div className="flex bg-surface-2 rounded-lg p-0.5 border border-border">
-            <button
-              onClick={() => setActiveTab("monitor")}
-              className={`px-2.5 py-1.5 rounded-md text-xs font-medium transition-all flex items-center gap-2 ${
-                activeTab === "monitor"
-                  ? "bg-accent/15 text-accent shadow-sm"
-                  : "text-fg-muted hover:text-fg-secondary"
-              }`}
-            >
-              <Activity className="w-3.5 h-3.5" /> Monitor
-            </button>
             <button
               onClick={() => setActiveTab("analytics")}
               className={`px-2.5 py-1.5 rounded-md text-xs font-medium transition-all flex items-center gap-2 ${
@@ -2574,6 +2564,16 @@ export function Dashboard() {
             >
               <BarChart3 className="w-3.5 h-3.5" /> Analytics
             </button>
+            <button
+              onClick={() => setActiveTab("monitor")}
+              className={`px-2.5 py-1.5 rounded-md text-xs font-medium transition-all flex items-center gap-2 ${
+                activeTab === "monitor"
+                  ? "bg-accent/15 text-accent shadow-sm"
+                  : "text-fg-muted hover:text-fg-secondary"
+              }`}
+            >
+              <Activity className="w-3.5 h-3.5" /> Monitor
+            </button>
             <button
               onClick={() => setActiveTab("health")}
               className={`px-2.5 py-1.5 rounded-md text-xs font-medium transition-all flex items-center gap-2 ${