Remove the unnecessary code snippets

XY56L7 · XY56L7 · commit a25b11827c6f · 2026-01-20T20:47:59.000+01:00
diff --git a/backend/README.md b/backend/README.md
diff --git a/backend/src/main.rs b/backend/src/main.rs
@@ -22,7 +22,7 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
         .parse::<u16>()
         .unwrap_or(8080);
 
-    println!("🚀 Starting Rust backend server on port {}", port);
+    println!("Starting Rust backend server on port {}", port);
 
     let app = Router::new()
         .route("/api/course", get(get_course))
@@ -39,7 +39,7 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
 
     // Bind to 0.0.0.0 for deployment (allows external connections)
     let addr = SocketAddr::from(([0, 0, 0, 0], port));
-    println!("✅ Server listening on {}", addr);
+    println!("Server listening on {}", addr);
 
     let listener = tokio::net::TcpListener::bind(addr).await?;
     axum::serve(listener, app).await?;
diff --git a/backend/src/models.rs b/backend/src/models.rs
@@ -67,7 +67,7 @@ pub struct Exercise {
 }
 
 #[derive(Debug, Serialize, Deserialize, Clone)]
-#[serde(rename_all = "camelCase")]
+w#[serde(rename_all = "camelCase")]
 pub struct ProjectIdea {
     pub id: String,
     pub title: String,
diff --git a/frontend/app/game/page.tsx b/frontend/app/game/page.tsx
@@ -9,7 +9,7 @@ async function loadGameLessons(): Promise<GameLesson[]> {
       title: 'Chapter 1: Meet Your First Zombie',
       description: 'Learn Rust basics by creating your first zombie!',
       unlocked: true,
-      story: `Welcome to Rust Zombies! 🧟
+      story: `Welcome to Rust Zombies!
 
 In this game, you'll learn Rust programming by building a zombie army. Each zombie is a struct that you'll create and customize.
 
diff --git a/frontend/app/lessons/[lessonId]/page.tsx b/frontend/app/lessons/[lessonId]/page.tsx
@@ -67,11 +67,11 @@ export default async function LessonPage({ params }: LessonPageProps) {
                 {difficultyLabels[lesson.difficulty]}
               </span>
               <span className="px-4 py-2 rounded-xl text-sm font-bold bg-gradient-to-br from-blue-500 to-blue-600 text-white shadow-md">
-                ⏱️ {lesson.estimatedTime} min
+                {lesson.estimatedTime} min
               </span>
               {lesson.prerequisites && lesson.prerequisites.length > 0 && (
                 <span className="px-4 py-2 rounded-xl text-sm font-bold bg-gradient-to-br from-purple-500 to-purple-600 text-white shadow-md">
-                  📚 Prerequisites: {lesson.prerequisites.length}
+                  Prerequisites: {lesson.prerequisites.length}
                 </span>
               )}
             </div>
diff --git a/frontend/app/page.tsx b/frontend/app/page.tsx
@@ -58,21 +58,21 @@ export default async function Home() {
 
           <div className="grid grid-cols-1 md:grid-cols-3 gap-8 max-w-5xl mx-auto">
             <div className="bg-white/10 backdrop-blur-lg rounded-2xl p-6 border border-white/20">
-              <div className="text-4xl mb-4">🧟</div>
+              <div className="text-4xl mb-4"></div>
               <h3 className="text-xl font-bold text-white mb-2">Build Zombies</h3>
               <p className="text-purple-200">
                 Create and customize your zombie army using Rust structs, functions, and more.
               </p>
             </div>
             <div className="bg-white/10 backdrop-blur-lg rounded-2xl p-6 border border-white/20">
-              <div className="text-4xl mb-4">💻</div>
+              <div className="text-4xl mb-4"></div>
               <h3 className="text-xl font-bold text-white mb-2">Code Editor</h3>
               <p className="text-purple-200">
                 Write Rust code directly in your browser with instant feedback and validation.
               </p>
             </div>
             <div className="bg-white/10 backdrop-blur-lg rounded-2xl p-6 border border-white/20">
-              <div className="text-4xl mb-4">🏆</div>
+              <div className="text-4xl mb-4"></div>
               <h3 className="text-xl font-bold text-white mb-2">Earn XP & Achievements</h3>
               <p className="text-purple-200">
                 Level up, unlock achievements, and track your progress as you learn.
diff --git a/frontend/components/CareerGuide.tsx b/frontend/components/CareerGuide.tsx
@@ -143,17 +143,17 @@ export default function CareerGuide() {
           </h3>
           <div className="grid grid-cols-1 md:grid-cols-3 gap-6 max-w-4xl mx-auto">
             <div className="text-center">
-              <div className="text-5xl mb-4">📚</div>
+              <div className="text-5xl mb-4"></div>
               <p className="font-bold text-lg mb-2">Learn</p>
               <p className="text-orange-100 text-sm">Complete all 86+ lessons</p>
             </div>
             <div className="text-center">
-              <div className="text-5xl mb-4">💻</div>
+              <div className="text-5xl mb-4"></div>
               <p className="font-bold text-lg mb-2">Build</p>
               <p className="text-orange-100 text-sm">Create portfolio projects</p>
             </div>
             <div className="text-center">
-              <div className="text-5xl mb-4">🚀</div>
+              <div className="text-5xl mb-4"></div>
               <p className="font-bold text-lg mb-2">Deploy</p>
               <p className="text-orange-100 text-sm">Showcase your work</p>
             </div>
diff --git a/frontend/components/Features.tsx b/frontend/components/Features.tsx
@@ -2,32 +2,32 @@
 
 const features = [
   {
-    icon: '📚',
+    icon: '',
     title: 'Comprehensive Curriculum',
     description: 'From Rust basics to advanced blockchain development, covering everything you need to know.',
   },
   {
-    icon: '💻',
+    icon: '',
     title: 'Hands-On Projects',
     description: 'Build real-world projects with practical exercises and code examples in every lesson.',
   },
   {
-    icon: '🔒',
+    icon: '',
     title: 'Security First',
     description: 'Learn security best practices and common vulnerabilities in smart contract development.',
   },
   {
-    icon: '⚡',
+    icon: '',
     title: 'Performance Focused',
     description: 'Understand how Rust\'s zero-cost abstractions make it perfect for blockchain systems.',
   },
   {
-    icon: '🌐',
+    icon: '',
     title: 'Real-World Examples',
     description: 'Study actual blockchain implementations from Solana, Polkadot, and NEAR Protocol.',
   },
   {
-    icon: '🎯',
+    icon: '',
     title: 'Interview Ready',
     description: 'Prepare for blockchain developer interviews with comprehensive Q&A sections.',
   },
diff --git a/frontend/components/Footer.tsx b/frontend/components/Footer.tsx
@@ -15,7 +15,7 @@ export default function Footer() {
         <div className="grid grid-cols-1 md:grid-cols-4 gap-12 mb-12">
           <div className="col-span-1 md:col-span-2">
             <div className="flex items-center gap-3 mb-4">
-              <div className="text-4xl">🦀</div>
+              <div className="text-4xl">R</div>
               <div>
                 <h3 className="text-2xl font-extrabold bg-gradient-to-r from-orange-400 to-orange-500 bg-clip-text text-transparent">
                   Rust Blockchain Course
diff --git a/frontend/components/GameMode.tsx b/frontend/components/GameMode.tsx
@@ -22,7 +22,7 @@ export default function GameMode({ lessons }: GameModeProps) {
         id: 'first-zombie',
         title: 'First Zombie',
         description: 'Created your first zombie',
-        icon: '🧟',
+        icon: '',
         rarity: 'common',
       },
       {
@@ -109,7 +109,7 @@ export default function GameMode({ lessons }: GameModeProps) {
           <div className="bg-gradient-to-br from-gray-800 to-gray-900 rounded-2xl shadow-2xl p-8 border-2 border-purple-500">
             <div className="mb-6">
               <div className="flex items-center gap-3 mb-4">
-                <span className="text-4xl flex-shrink-0">🧟</span>
+                <span className="text-4xl flex-shrink-0"></span>
                 <div className="min-w-0 flex-1">
                   <h1 className="text-3xl font-bold text-white mb-2 break-words">
                     {currentLesson.title}
@@ -119,7 +119,7 @@ export default function GameMode({ lessons }: GameModeProps) {
               </div>
               
               <div className="bg-gray-800/50 rounded-lg p-4 mb-6 border border-purple-500/30">
-                <h3 className="text-lg font-bold text-purple-300 mb-2">📖 Story</h3>
+                <h3 className="text-lg font-bold text-purple-300 mb-2">Story</h3>
                 <p className="text-gray-300 whitespace-pre-line break-words">{currentLesson.story}</p>
               </div>
 
@@ -139,7 +139,7 @@ export default function GameMode({ lessons }: GameModeProps) {
               </h2>
               <p className="text-gray-300 mb-4 break-words">{currentChallenge.description}</p>
               <div className="bg-blue-900/30 rounded-lg p-4 border border-blue-700">
-                <h3 className="text-lg font-semibold text-blue-300 mb-2">📋 Instructions</h3>
+                <h3 className="text-lg font-semibold text-blue-300 mb-2">Instructions</h3>
                 <p className="text-gray-300 whitespace-pre-line break-words">{currentChallenge.instructions}</p>
               </div>
             </div>
@@ -155,7 +155,7 @@ export default function GameMode({ lessons }: GameModeProps) {
           <GameProgressComponent progress={progress} />
 
           <div className="mt-6 bg-gray-800 rounded-2xl shadow-xl p-6 border border-gray-700">
-            <h3 className="text-xl font-bold text-white mb-4">📚 Chapters</h3>
+            <h3 className="text-xl font-bold text-white mb-4">Chapters</h3>
             <div className="space-y-2">
               {lessons.map((lesson) => (
                 <button
@@ -177,7 +177,7 @@ export default function GameMode({ lessons }: GameModeProps) {
                 >
                   <div className="flex items-center justify-between gap-2">
                     <span className="font-semibold break-words">Chapter {lesson.chapter}</span>
-                    {!lesson.unlocked && <span className="flex-shrink-0">🔒</span>}
+                    {!lesson.unlocked && <span className="flex-shrink-0">LOCKED</span>}
                   </div>
                   <p className="text-sm mt-1 opacity-75 break-words">{lesson.title}</p>
                 </button>
diff --git a/frontend/components/GameProgress.tsx b/frontend/components/GameProgress.tsx
@@ -66,7 +66,7 @@ export default function GameProgress({ progress }: GameProgressProps) {
 
         <div className="grid grid-cols-2 gap-4">
           <div className="p-4 bg-gradient-to-br from-orange-50 to-orange-100 dark:from-orange-900/30 dark:to-orange-800/30 rounded-lg border border-orange-200 dark:border-orange-800">
-            <div className="text-3xl mb-2">🧟</div>
+            <div className="text-3xl mb-2"></div>
             <div className="text-2xl font-bold text-orange-700 dark:text-orange-300">
               {localProgress.zombiesCreated}
             </div>
@@ -76,7 +76,7 @@ export default function GameProgress({ progress }: GameProgressProps) {
           </div>
 
           <div className="p-4 bg-gradient-to-br from-green-50 to-green-100 dark:from-green-900/30 dark:to-green-800/30 rounded-lg border border-green-200 dark:border-green-800">
-            <div className="text-3xl mb-2">✅</div>
+            <div className="text-3xl mb-2"></div>
             <div className="text-2xl font-bold text-green-700 dark:text-green-300">
               {localProgress.completedChallenges.length}
             </div>
@@ -88,7 +88,7 @@ export default function GameProgress({ progress }: GameProgressProps) {
 
         <div>
           <h3 className="text-lg font-bold text-gray-900 dark:text-white mb-4 break-words">
-            🏆 Achievements ({localProgress.achievements.filter(a => a.unlockedAt).length}/{localProgress.achievements.length})
+            Achievements ({localProgress.achievements.filter(a => a.unlockedAt).length}/{localProgress.achievements.length})
           </h3>
           <div className="grid grid-cols-1 md:grid-cols-2 gap-4">
             {localProgress.achievements.map((achievement) => (
@@ -102,7 +102,7 @@ export default function GameProgress({ progress }: GameProgressProps) {
                 }
               >
                 <div className="text-3xl mb-2 text-center">
-                  {achievement.unlockedAt ? achievement.icon : '🔒'}
+                  {achievement.unlockedAt ? achievement.icon : 'LOCKED'}
                 </div>
                 <div className={`text-sm font-bold text-center mb-2 px-3 py-1.5 rounded ${rarityColors[achievement.rarity]} text-white`}>
                   {achievement.rarity.toUpperCase()}
diff --git a/frontend/components/Hero.tsx b/frontend/components/Hero.tsx
@@ -22,7 +22,7 @@ export default function Hero({ course, totalLessons }: HeroProps) {
           <div className="inline-flex items-center gap-2 px-4 py-2 bg-gradient-to-r from-orange-100 to-orange-50 dark:from-orange-900/30 dark:to-orange-800/30 rounded-full border border-orange-200 dark:border-orange-800 mb-8 animate-in fade-in slide-in-from-top-4">
             <span className="w-2 h-2 bg-orange-500 rounded-full animate-pulse"></span>
             <span className="text-sm font-semibold text-orange-700 dark:text-orange-300">
-              🚀 Complete Rust Blockchain Course
+              Complete Rust Blockchain Course
             </span>
           </div>
 
@@ -75,7 +75,7 @@ export default function Hero({ course, totalLessons }: HeroProps) {
               className="group relative px-8 py-4 bg-gradient-to-r from-orange-500 to-orange-600 hover:from-orange-600 hover:to-orange-700 text-white font-bold rounded-xl shadow-2xl shadow-orange-500/50 hover:shadow-orange-500/70 transform hover:scale-105 transition-all duration-300 flex items-center gap-2 overflow-hidden"
             >
               <div className="absolute inset-0 bg-gradient-to-r from-white/0 via-white/20 to-white/0 translate-x-[-100%] group-hover:translate-x-[100%] transition-transform duration-1000"></div>
-              <span className="relative z-10">Start Learning 🚀</span>
+              <span className="relative z-10">Start Learning</span>
             </Link>
             <Link
               href="#about"
diff --git a/frontend/components/InteractiveCodeEditor.tsx b/frontend/components/InteractiveCodeEditor.tsx
@@ -209,7 +209,7 @@ export default function InteractiveCodeEditor({
         }`}>
           <div className="flex items-center gap-2 mb-3">
             <span className="text-2xl">
-              {validationResult.success ? '✅' : '❌'}
+              {validationResult.success ? 'PASS' : 'FAIL'}
             </span>
             <h3 className={`font-bold text-lg ${
               validationResult.success
@@ -255,7 +255,7 @@ export default function InteractiveCodeEditor({
                     }`}
                   >
                     <div className="flex items-center gap-2">
-                      <span>{test.passed ? '✅' : '❌'}</span>
+                      <span>{test.passed ? 'PASS' : 'FAIL'}</span>
                       <span className="font-semibold">
                         {challenge.tests.find(t => t.id === test.testId)?.description || `Test ${index + 1}`}
                       </span>
diff --git a/frontend/components/Navbar.tsx b/frontend/components/Navbar.tsx
@@ -28,7 +28,7 @@ export default function Navbar() {
             <div className="relative">
               <div className="absolute inset-0 bg-gradient-to-r from-orange-500 to-orange-600 rounded-xl blur-lg opacity-50 group-hover:opacity-75 transition-opacity"></div>
               <div className="relative text-4xl transform group-hover:scale-110 transition-transform duration-300">
-                🦀
+                R
               </div>
             </div>
             <div className="flex flex-col">
diff --git a/frontend/scripts/create-lesson.js b/frontend/scripts/create-lesson.js

Original file line number	Diff line number	Diff line change
`@@ -67,7 +67,7 @@ pub struct Exercise {`
`67`	`67`	`}`
`68`	`68`
`69`	`69`	`#[derive(Debug, Serialize, Deserialize, Clone)]`
`70`		`-#[serde(rename_all = "camelCase")]`
	`70`	`+w#[serde(rename_all = "camelCase")]`
`71`	`71`	`pub struct ProjectIdea {`
`72`	`72`	`pub id: String,`
`73`	`73`	`pub title: String,`