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

src/app/dashboard/dpp/page.tsx

@@ -1,4 +1,4 @@
-"use client"
+"use client"
 
 import { Button } from "@/components/ui/button"
 import { Card, CardContent } from "@/components/ui/card"
@@ -72,6 +72,10 @@ export default function DPPPage() {
       const scheduledDate = new Date(dpp.scheduled_date).toISOString().split('T')[0];
       if (scheduledDate !== dateFilter) return false;
     }
+    const isNeet = user?.target_exam === "NEET";
+    const title = dpp.title.toLowerCase();
+    if (isNeet && (title.includes("math") || title.includes("mth"))) return false;
+    if (!isNeet && title.includes("bio")) return false;
     return true;
   });
 

src/app/dashboard/layout.tsx

@@ -398,6 +398,14 @@ export default function DashboardLayout({ children }: { children: ReactNode }) {
           </div>
         </header>
 
+        {/* Free Trial Banner */}
+        {trialInfo.isTrialActive && (
+          <div className="bg-primary text-primary-foreground px-4 py-2.5 text-center text-sm font-bold flex justify-center items-center gap-2 shadow-sm shrink-0 z-30">
+            <span className="size-2 rounded-full bg-primary-foreground animate-pulse"></span>
+            15 Days Free Trial — Day {trialInfo.trialDayNumber}
+          </div>
+        )}
+
         {/* Scrollable page body */}
         <main className="flex-1 overflow-y-auto relative bg-background/50">
           {children}

src/app/dashboard/leaderboard/page.tsx

@@ -1,4 +1,4 @@
-"use client"
+"use client"
 
 import { useState, useEffect } from "react"
 import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card"
@@ -77,7 +77,7 @@ export default function LeaderboardPage() {
             onClick={() => setActiveTab('school')}
             className={`px-4 py-2 rounded-lg text-sm font-medium transition-colors ${activeTab === 'school' ? 'bg-background shadow-sm border border-border text-foreground' : 'text-muted-foreground hover:text-foreground'}`}
           >
-            School
+            Institute
           </button>
         </div>
       </div>

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>