feat(frontend): add initial history dashboards UI and logic

frontend/src/components/userMenu.tsx

@@ -53,9 +53,9 @@ const UserMenu: React.FC = () => {
             </>
           ) : (
             <>
-              <button className="icon-button">
+              {/* <button className="icon-button">
                 <img src={NotificationIcon} alt="Notifications" className="notification-icon" />
-              </button>
+              </button> */}
 
               {isVerified ? (
                 <Link to="/profile/" className="icon-link">

frontend/src/features/progress/RecentSessionsList.tsx

@@ -1,17 +1,15 @@
 import React, { useState, useEffect } from 'react';
 import { useNavigate } from 'react-router-dom';
-import { getAllAttemptSummaries } from '../../lib/api';
+import { getAllAttemptSummaries, getOtherUser } from '../../lib/api';
 // --- FIX: Import both time formatters ---
 import { formatDuration, formatTimeAgo } from '../../lib/timeFormatters';
-// import useAuth from '../hooks/useAuth'; // Added useAuth to get the user
 
 // --- UI Imports from New UI ---
 import { Card } from "@/components/ui/card";
 import { Badge } from "@/components/ui/badge";
 import {
-  User,
-  Clock,
-  Calendar // Added for "time ago"
+  Calendar,
+  Code
 } from "lucide-react";
 // ------------------------------------
 
@@ -22,17 +20,19 @@ interface SessionSummary {
   question_title: string;
   question_difficulty: "Easy" | "Medium" | "Hard";
   partner_id: string;
-  is_solved_successfully: boolean;
+  is_solved_successfully: boolean | null;
   has_penalty: boolean; // We need this to determine "Incomplete"
   started_at: string;
-  time_taken_ms: number;
+  time_taken_ms: number | null;
 }
 
 const RecentSessionsList: React.FC<{ userId: string, limit: number }> = ({ userId, limit }) => {
   const navigate = useNavigate();
   const [sessions, setSessions] = useState<SessionSummary[]>([]);
   const [loading, setLoading] = useState(true);
+  const [usernames, setUsernames] = useState<Map<string, string>>(new Map());
 
+  // Fetch sessions
   useEffect(() => {
     if (!userId) return;
 
@@ -53,6 +53,39 @@ const RecentSessionsList: React.FC<{ userId: string, limit: number }> = ({ userI
     fetchRecent();
   }, [userId, limit]);
 
+  // Fetch usernames for all unique partner IDs
+  useEffect(() => {
+    if (sessions.length === 0) return;
+
+    const fetchUsernames = async () => {
+      const uniquePartnerIds = [...new Set(sessions.map(s => s.partner_id).filter(id => id))];
+      const usernameMap = new Map<string, string>();
+
+      // Fetch usernames in parallel
+      await Promise.allSettled(
+        uniquePartnerIds.map(async (partnerId) => {
+          try {
+            const response = await getOtherUser(partnerId);
+            // getOtherUser returns { data: { username, ... } }
+            if (response?.data?.username) {
+              usernameMap.set(partnerId, response.data.username);
+            } else {
+              usernameMap.set(partnerId, partnerId);
+            }
+          } catch (error) {
+            console.error(`Failed to fetch username for partner ${partnerId}:`, error);
+            // Keep partner_id as fallback
+            usernameMap.set(partnerId, partnerId);
+          }
+        })
+      );
+
+      setUsernames(usernameMap);
+    };
+
+    fetchUsernames();
+  }, [sessions]);
+
   const handleSessionClick = (questionId: string) => {
     // Navigate to the detail page for that question
     navigate(`/history/attempts/${questionId}`);
@@ -68,56 +101,100 @@ const RecentSessionsList: React.FC<{ userId: string, limit: number }> = ({ userI
 
   // --- This is the new UI, adapted to the REAL API data ---
   return (
-    <div className="space-y-4">
+    <div className="space-y-3">
       {/* The title "Recent Sessions" is in your userProfile.tsx, so we don't repeat it here */}
-      <div className="space-y-3">
-        {sessions.map((session) => (
+      {sessions.map((session) => {
+        const statusText = session.is_solved_successfully === true ? "Passed" : (session.has_penalty ? "Incomplete" : "Failed");
+        const statusColor = session.is_solved_successfully === true ? 'bg-green-500' : (session.has_penalty ? 'bg-orange-500' : 'bg-red-500');
+        const difficultyColors: Record<string, { bg: string; text: string }> = {
+          Easy: { bg: 'bg-green-100', text: 'text-green-800' },
+          Medium: { bg: 'bg-yellow-100', text: 'text-yellow-800' },
+          Hard: { bg: 'bg-red-100', text: 'text-red-800' }
+        };
+        const difficultyStyle = difficultyColors[session.question_difficulty] || difficultyColors.Medium;
+
+        return (
           <Card 
             key={session.session_id} 
-            className="p-4 shadow-soft hover:shadow-card transition-smooth cursor-pointer"
+            className="p-4 cursor-pointer"
+            style={{
+              background: 'white',
+              borderRadius: '12px',
+              boxShadow: '0 2px 8px rgba(0, 0, 0, 0.1)',
+              transition: 'all 0.3s ease',
+              border: '1px solid #e5e7eb'
+            }}
+            onMouseEnter={(e) => {
+              e.currentTarget.style.boxShadow = '0 4px 12px rgba(0, 0, 0, 0.15)';
+            }}
+            onMouseLeave={(e) => {
+              e.currentTarget.style.boxShadow = '0 2px 8px rgba(0, 0, 0, 0.1)';
+            }}
             onClick={() => handleSessionClick(session.question_id)}
           >
-            <div className="flex items-center justify-between">
-              <div className="space-y-1">
-                <div className="flex items-center gap-2">
+            <div className="flex items-center gap-4">
+              {/* Left: Code Icon */}
+              <div 
+                className="flex-shrink-0 flex items-center justify-center"
+                style={{
+                  width: '48px',
+                  height: '48px',
+                  backgroundColor: '#addaf7',
+                  borderRadius: '8px'
+                }}
+              >
+                <Code className="h-6 w-6 text-white" style={{ strokeWidth: 2.5 }} />
+              </div>
+
+              {/* Middle: Topic, Difficulty, Partner, Time */}
+              <div className="flex-1 space-y-1">
+                {/* Topic in bold */}
+                <div className="font-bold text-base text-gray-900">
+                  {session.question_title}
+                </div>
+
+                {/* Difficulty badge and Partner */}
+                <div className="flex items-center gap-2 flex-wrap">
                   <Badge 
-                    variant={session.question_difficulty} // Use Easy, Medium, Hard variants
+                    className={`${difficultyStyle.bg} ${difficultyStyle.text} border-0 font-medium`}
+                    style={{ fontSize: '12px', padding: '2px 8px' }}
                   >
                     {session.question_difficulty}
                   </Badge>
-                  {/* API provides question_title, not topic */}
-                  <span className="font-medium text-sm">{session.question_title}</span> 
+                  <span className="text-sm text-gray-500">
+                    with {usernames.get(session.partner_id) || session.partner_id}
+                  </span>
                 </div>
-                <div className="flex items-center gap-4 text-sm text-muted-foreground">
-                  <div className="flex items-center gap-1">
-                    <User className="h-3 w-3" />
-                    {session.partner_id}
-                  </div>
+
+                {/* Time taken and Time ago */}
+                <div className="flex items-center gap-4 text-sm text-gray-500">
+                  {session.time_taken_ms && (
+                    <span>{formatDuration(session.time_taken_ms)}</span>
+                  )}
                   <div className="flex items-center gap-1">
-                    <Clock className="h-3 w-3" />
-                    {/* API provides time_taken_ms, format it */}
-                    {formatDuration(session.time_taken_ms)} 
-                  </div>
-                  {/* API provides started_at, let's show time ago */}
-                   <div className="flex items-center gap-1">
                     <Calendar className="h-3 w-3" />
-                    {formatTimeAgo(session.started_at)}
+                    <span>{formatTimeAgo(session.started_at)}</span>
                   </div>
                 </div>
               </div>
-
-              {/* API provides booleans, we derive the status */}
-              <Badge className={
-                session.is_solved_successfully ? 'bg-green-500 text-white' : // "Passed" (blue)
-                session.has_penalty ? 'bg-orange-500 text-white' : // "Incomplete" (gray)
-                'bg-red-500 text-white' // "Failed" (red)
-              }>
-                {session.is_solved_successfully ? "Passed" : (session.has_penalty ? "Incomplete" : "Failed")}
-              </Badge>
+
+              {/* Right: Status Badge */}
+              <div className="flex-shrink-0">
+                <Badge 
+                  className={`${statusColor} text-white border-0 font-medium`}
+                  style={{ 
+                    fontSize: '13px', 
+                    padding: '4px 12px',
+                    borderRadius: '9999px'
+                  }}
+                >
+                  {statusText}
+                </Badge>
+              </div>
             </div>
           </Card>
-        ))}
-      </div>
+        );
+      })}
     </div>
   );
 };

frontend/src/pages/HistoryDashboardPage.tsx

@@ -15,7 +15,7 @@ import {
 
 // --- Logic Imports (from Cursor's file) ---
 import useAuth from '../hooks/useAuth';
-import { getHistoryProgress, getAllAttemptSummaries } from '../lib/api';
+import { getHistoryProgress, getAllAttemptSummaries, getOtherUser } from '../lib/api';
 import { formatTimeAgo } from '../lib/timeFormatters';
 
 // --- Main Component ---
@@ -28,6 +28,7 @@ export default function HistoryDashboardPage() {
   const [progress, setProgress] = useState<any>(null);
   const [summaries, setSummaries] = useState<any[]>([]);
   const [loading, setLoading] = useState(true);
+  const [usernames, setUsernames] = useState<Map<string, string>>(new Map());
 
   // --- Data Fetching (from Cursor's file) ---
   useEffect(() => {
@@ -49,6 +50,37 @@ export default function HistoryDashboardPage() {
     });
   }, [userId]);
 
+  // Fetch usernames for all unique partner IDs
+  useEffect(() => {
+    if (summaries.length === 0) return;
+
+    const fetchUsernames = async () => {
+      const uniquePartnerIds = [...new Set(summaries.map((s: any) => s.partner_id).filter((id: string) => id))];
+      const usernameMap = new Map<string, string>();
+
+      // Fetch usernames in parallel
+      await Promise.allSettled(
+        uniquePartnerIds.map(async (partnerId: string) => {
+          try {
+            const response = await getOtherUser(partnerId);
+            if (response?.data?.username) {
+              usernameMap.set(partnerId, response.data.username);
+            } else {
+              usernameMap.set(partnerId, partnerId);
+            }
+          } catch (error) {
+            console.error(`Failed to fetch username for partner ${partnerId}:`, error);
+            usernameMap.set(partnerId, partnerId);
+          }
+        })
+      );
+
+      setUsernames(usernameMap);
+    };
+
+    fetchUsernames();
+  }, [summaries]);
+
   // --- Stat Calculation (from Cursor's file, adapted for Lovable's UI) ---
   const totals = useMemo(() => {
     const uniqueQuestions = summaries.length; // Renamed to match UI
@@ -185,7 +217,7 @@ export default function HistoryDashboardPage() {
                         <div className="flex flex-wrap items-center gap-4 text-sm text-muted-foreground">
                           <span className="flex items-center gap-1">
                             <User className="h-3 w-3" />
-                            Partner: {question.partner_id}
+                            Partner: {usernames.get(question.partner_id) || question.partner_id}
                           </span>
                           <span>
                             {/* Real data */}

frontend/src/pages/QuestionDetailPage.tsx

@@ -19,7 +19,7 @@ import { vscDarkPlus } from 'react-syntax-highlighter/dist/esm/styles/prism';
 
 // --- API & Auth Imports (from Logic) ---
 import useAuth from '../hooks/useAuth';
-import { getQuestionAttempts } from '../lib/api';
+import { getQuestionAttempts, getOtherUser } from '../lib/api';
 import { formatDurationMinutes } from '../lib/timeFormatters';
 
 // ... (interface Attempt definition is correct) ...
@@ -45,6 +45,7 @@ export const QuestionDetail = () => {
   const userId = (user as any)?._id ?? (user as any)?.uid ?? '';
   const [attempts, setAttempts] = useState<Attempt[]>([]);
   const [loading, setLoading] = useState(true);
+  const [usernames, setUsernames] = useState<Map<string, string>>(new Map());
 
   useEffect(() => {
     if (!userId || !questionId) return;
@@ -62,6 +63,37 @@ export const QuestionDetail = () => {
       });
   }, [userId, questionId]);
 
+  // Fetch usernames for all unique partner IDs
+  useEffect(() => {
+    if (attempts.length === 0) return;
+
+    const fetchUsernames = async () => {
+      const uniquePartnerIds = [...new Set(attempts.map(a => a.partner_id).filter(id => id))];
+      const usernameMap = new Map<string, string>();
+
+      // Fetch usernames in parallel
+      await Promise.allSettled(
+        uniquePartnerIds.map(async (partnerId: string) => {
+          try {
+            const response = await getOtherUser(partnerId);
+            if (response?.data?.username) {
+              usernameMap.set(partnerId, response.data.username);
+            } else {
+              usernameMap.set(partnerId, partnerId);
+            }
+          } catch (error) {
+            console.error(`Failed to fetch username for partner ${partnerId}:`, error);
+            usernameMap.set(partnerId, partnerId);
+          }
+        })
+      );
+
+      setUsernames(usernameMap);
+    };
+
+    fetchUsernames();
+  }, [attempts]);
+
   const questionTitle = attempts[0]?.question_title;
 
   // --- Helper function to guess language ---
@@ -164,7 +196,7 @@ export const QuestionDetail = () => {
               <div className="flex flex-wrap items-center gap-4 text-sm text-muted-foreground mb-4">
                 <span className="flex items-center gap-1">
                   <User className="h-4 w-4" />
-                  Partner: {attempt.partner_id}
+                  Partner: {usernames.get(attempt.partner_id) || attempt.partner_id}
                 </span>
                 <span className="flex items-center gap-1">
                   <Calendar className="h-4 w-4" />