Update AI coach calibration, fix streak animation speed, add dashboard features and target filtering

src/app/dashboard/page.tsx

@@ -1,4 +1,4 @@
-"use client"
+"use client"
 
 import { useRef, useState, useEffect } from "react"
 import { Card, CardContent, CardDescription, CardHeader, CardTitle } from "@/components/ui/card"
@@ -56,6 +56,7 @@ export default function DashboardPage() {
   }
 
   const isNew = userStats ? userStats.is_new_user : true
+  const isNeet = user?.target_exam === "NEET"
 
   return (
     <div className="p-8 max-w-7xl mx-auto space-y-10 animate-in fade-in duration-500 slide-in-from-bottom-4">
@@ -188,7 +189,9 @@ export default function DashboardPage() {
                       <BrainCircuit size={20} />
                     </div>
                     <div>
-                      <h3 className="font-medium text-base group-hover:text-primary transition-colors">Biology: Human Physiology</h3>
+                      <h3 className="font-medium text-base group-hover:text-primary transition-colors">
+                        {isNeet ? "Biology: Human Physiology" : "Maths: Integral Calculus"}
+                      </h3>
                       <p className="text-sm text-muted-foreground mt-0.5">30 Questions • Medium Priority</p>
                     </div>
                   </div>
@@ -205,7 +208,9 @@ export default function DashboardPage() {
                       <Lock size={20} />
                     </div>
                     <div>
-                      <h3 className="font-medium text-base text-muted-foreground">Biology: Human Physiology</h3>
+                      <h3 className="font-medium text-base text-muted-foreground">
+                        {isNeet ? "Biology: Human Physiology" : "Maths: Integral Calculus"}
+                      </h3>
                       <p className="text-sm text-muted-foreground mt-0.5 flex items-center gap-1"><Lock size={12}/> Pro Feature</p>
                     </div>
                   </div>