Machine-level launcher

Project: prachi-saini-portfolio
Path: prachi-saini-portfolio
Stack: Next.js

Instruction for Antigravity:
Describe the work you want done in this project.

Constraints:
- Work only inside prachi-saini-portfolio
- Prefer small, reviewable changes.
- Preserve the current app structure unless the prompt asks for a rewrite.
- Summarize files changed and any verification steps when finished.