feat(mission-control): add BackToMC button to all pages

- Created BackToMC component
- Added to all 27 mission control pages
- Each page now has '← Back to Mission Control' button at top
- Also pushed beta to develop to sync branches

app/mission-control/council/page.tsx

@@ -1,15 +1,19 @@
 "use client";
 
+import BackToMC from "@/components/mission-control/BackToMC";
 import HorusChat from "@/components/mission-control/HorusChat";
 
 export default function CouncilPage() {
   return (
-    <div className="p-6">
-      <div className="mb-6">
-        <h1 className="text-3xl font-bold text-white mb-2">🏛️ Council Chat</h1>
-        <p className="text-slate-400">Chat with your agent council</p>
+    <>
+      <BackToMC />
+      <div className="p-6">
+        <div className="mb-6">
+          <h1 className="text-3xl font-bold text-white mb-2">🏛️ Council Chat</h1>
+          <p className="text-slate-400">Chat with your agent council</p>
+        </div>
+        <HorusChat />
       </div>
-      <HorusChat />
-    </div>
+    </>
   );
 }