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/tasks/page.tsx

@@ -1,7 +1,8 @@
 "use client";
 
+import BackToMC from "@/components/mission-control/BackToMC";
 import { TaskCardsPanel } from "@/components/mission-control/TaskCardsPanel";
-import { useState, useEffect } from "react";
+import { useState } from "react";
 import { Task, TaskStatus } from "@/lib/mission-control/types";
 
 const SAMPLE_TASKS: Task[] = [
@@ -22,12 +23,15 @@ export default function TasksPage() {
   };
 
   return (
-    <div className="p-6">
-      <div className="mb-6">
-        <h1 className="text-3xl font-bold text-white mb-2">📋 Task Board</h1>
-        <p className="text-slate-400">Manage tasks across all projects</p>
+    <>
+      <BackToMC />
+      <div className="p-6">
+        <div className="mb-6">
+          <h1 className="text-3xl font-bold text-white mb-2">📋 Task Board</h1>
+          <p className="text-slate-400">Manage tasks across all projects</p>
+        </div>
+        <TaskCardsPanel tasks={tasks} toggleTask={toggleTask} />
       </div>
-      <TaskCardsPanel tasks={tasks} toggleTask={toggleTask} />
-    </div>
+    </>
   );
 }