Feature/keep selected

PROJECT_OVERVIEW.md

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+---
+marp: true
+theme: default
+size: 16:9
+paginate: true
+class: lead
+style: |
+  section {
+    background: #0b1221;
+    color: #ffffff;
+    font-family: 'Inter', sans-serif;
+    padding: 60px;
+  }
+
+  h1, h2, h3 {
+    font-weight: 900;
+    letter-spacing: -0.5px;
+  }
+
+  h1 {
+    font-size: 3.2rem;
+    color: #7c5dff;
+  }
+
+  h2 {
+    font-size: 2.2rem;
+    color: #c1b3ff;
+  }
+
+  p {
+    font-size: 1.2rem;
+    line-height: 1.6;
+    color: #d6d6e4;
+  }
+
+  .card {
+    background: #0f1b2b;
+    padding: 20px;
+    border-radius: 18px;
+    margin: 20px 0;
+    box-shadow: 0 0 20px rgba(124, 93, 255, 0.2);
+  }
+
+  ul {
+    font-size: 1.2rem;
+    line-height: 1.7;
+  }
+
+---
+
+# 🌌 **Deep Dive Presentation**
+### Elegant. Minimal. Professional.
+
+---
+
+# ⭐ Introduction
+Welcome to a deep and structured exploration of your topic.
+
+This presentation is designed to:
+- Give clarity  
+- Build strong understanding  
+- Present ideas in a polished way  
+
+---
+
+# 🧠 Understanding the Core Concepts
+## A Strong Foundation
+
+<div class="card">
+Your learning begins with breaking each idea into small, digestible parts.
+</div>
+
+We focus on:
+- Definitions  
+- Purpose  
+- Real-world relevance  
+
+---
+
+# 🌍 Real-World Application
+### Why These Concepts Matter
+
+<div class="card">
+Real engineering isn’t about memorizing theory—it’s about applying it.
+</div>
+
+Examples:
+- Scalable systems  
+- Efficient problem-solving  
+- Clean architecture  
+
+---
+
+# ⚙️ Technical Insight
+## Key Mechanics & How They Work
+
+This section explores:
+- Internal processes  
+- Data flow  
+- Performance factors  
+
+---
+
+# 📊 Visualization
+### How Everything Connects
+
+<div class="card">
+Use diagrams, mental models, and intuitive analogies.
+</div>
+
+Helps you:
+- See patterns  
+- Predict results  
+- Build long-term understanding  
+
+---
+
+# 🧩 Problem Breakdown
+## From Complex → Simple
+
+Your thinking process should:
+1. Define the goal  
+2. Identify constraints  
+3. Break steps down  
+4. Optimize solutions  
+
+---
+
+# 🚀 Strategy & Best Practices
+### What You Must Always Do
+
+- Think in systems  
+- Document your thought process  
+- Prioritize clarity  
+- Avoid unnecessary complexity  
+
+---
+
+# 🛡️ Common Mistakes
+## What to Avoid
+
+- Overthinking trivial details  
+- Skipping fundamentals  
+- Writing unreadable code  
+- Forgetting performance impact  
+
+---
+
+# 🧭 Summary
+### The Path to Mastery
+
+<div class="card">
+Build understanding → Apply → Reflect → Improve.
+</div>
+
+That is the cycle that makes an engineer unstoppable.
+
+---
+
+# 🙌 Thank You
+### Questions?  
+### Ready for the next step?

package.json

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+{
+  "devDependencies": {
+    "prettier": "3.7.4",
+    "prettier-plugin-java": "2.7.7"
+  }
+}