CHALLENGE 2: Debug the tsconfig
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ANSWER:

The command you forgot is:

npx tsc --init

EXPLANATION:
- "npx tsc --init" generates a tsconfig.json file in your project directory
- Without this file, the TypeScript compiler doesn't know how to compile your code
- Once tsconfig.json exists, "npx tsc" (without --init) will use those settings

COMMON MISTAKES:
- Running "tsc --init" globally won't help if TypeScript is installed locally
- Always use "npx tsc --init" to use the local installation
- Some IDEs auto-generate tsconfig.json, but it's good to understand this command

AFTER RUNNING npx tsc --init:
- A tsconfig.json file appears in your project root
- You can now run "npx tsc" to compile all files
- The compiled files go to the output directory (usually "dist" or "build")

WHAT'S INSIDE tsconfig.json:
- compilerOptions: How to compile your code
- include: Which files to compile
- exclude: Which files to skip
- The defaults usually work fine for beginners