Practical fixes for tool errors, setup blocks, and workflow issues.

Fix 'git pull failed index.lock file exists' Error

When running git pull, you may see an error like:

fatal: Unable to create &#...

pnpm audit fix not working: common causes and fixes

When you run pnpm audit fix and it fails, you might see messages like "No fixes ...

Fix npm run build Failure from Missing Env Variables

You run npm run build and get an error like Error: Missing required environmen...