🧠 AlgoNote (VS Code Extension)

AlgoNote is your ultimate study companion for Data Structures and Algorithms. It turns static problem-solving notes into interactive learning tools with AI note filling, active recall quizzes, Copilot chat integration, structural linting, and spaced repetition tracking.

✨ Features at a Glance

1. 🤖 Multi-Provider AI Engine

Choose your favorite AI model in VS Code settings:

• GitHub Copilot (Built-in via vscode.lm — zero API keys required!)
• Google Gemini API (gemini-1.5-flash, gemini-1.5-pro)
• Local Ollama (Offline LLMs like llama3, mistral, qwen2.5-coder)
• Custom OpenAI-Compatible API (OpenRouter, DeepSeek, LocalAI, vLLM)

2. 💬 Copilot Chat Participant (@dsa)

Type @dsa directly in the VS Code Copilot Chat sidebar to interact with your active note:

• @dsa /lint: Scans your note and reports missing sections or un-replaced placeholders.
• @dsa /mcq: Generates 3 active recall quiz questions (with hidden collapsible answer spoilers).
• @dsa /dryrun: Outputs a step-by-step variable trace table for your Java solution.
• @dsa /complexity: Performs a formal Big-O time and space complexity breakdown.
• @dsa /template: Enforces the standard Markdown template structure.

3. 🧪 Interactive Active Recall Quiz Engine

Practice and test your retention before interviews!

• Sidebar Quiz Webview: Dedicated interactive quiz widget in the Activity Bar.
• Full Editor Tab: Run DSA Note: Open MCQ Quiz Panel for a wide-screen quiz interface.
• Instant green/red answer verification with detailed AI explanations.

4. 🛡️ Structural Linter & Quick Fixes (Lightbulbs 💡)

• Highlights missing mandatory section headers (# Intuition, # Complexity, # Edge Cases) and unfilled placeholders (e.g. [Insert problem description here]).
• Click the VS Code Quick Fix Lightbulb 💡 to auto-fill missing details using AI or enforce standard formatting.

5. 📊 Revision Dashboard (Spaced Repetition)

• Activity Bar TreeView (dsa-helper-revision) that organizes your workspace notes into Due for Revision Today vs Upcoming based on revision status.

6. ⚡ Smart Inline Completions & Snippets

Type triggers in Markdown or Java files to auto-expand templates:

• dsa-dp-table $\rightarrow$ Generates DP State Transition Table in Markdown.
• dsa-dryrun-table $\rightarrow$ Inserts variable trace table skeleton.
• dsa-dsu $\rightarrow$ Injects complete Java Disjoint Set Union (Union-Find) class implementation.

⚙️ Extension Settings

Customize settings in Settings -> DSA Note Helper or your settings.json:

{
  // Select AI Provider: "copilot" | "gemini" | "ollama" | "custom"
  "dsa-helper.aiProvider": "copilot",

  // Copilot Model Preference
  "dsa-helper.copilotModel": "gpt-4o",

  // Google Gemini Configuration
  "dsa-helper.geminiApiKey": "YOUR_GEMINI_API_KEY",
  "dsa-helper.geminiModel": "gemini-1.5-flash",

  // Local Ollama Configuration
  "dsa-helper.ollamaUrl": "http://localhost:11434",
  "dsa-helper.ollamaModel": "llama3",

  // Custom API Configuration (DeepSeek, OpenRouter, etc.)
  "dsa-helper.customEndpoint": "https://api.deepseek.com/v1",
  "dsa-helper.customApiKey": "YOUR_CUSTOM_KEY",
  "dsa-helper.customModel": "deepseek-chat"
}

⌨️ Available Commands

🚀 Installation

Install the .vsix file using VS Code CLI:

code --install-extension "dsa-note-helper-0.1.3.vsix"