VSCode ESP-IDF Workspace Setup

I already have ESP-IDF fully installed and building fine from the macOS command line, but inside VS Code I still see red squiggles on perfectly valid headers and the auto-complete is hit-or-miss. I work... (Budget: ₹400 - ₹750 INR, Jobs: C Programming, C++ Programming, Debugging, Documentation, Project Management, Software Development, Software Engineering, VSCode)