I built the business plan before I had even heard of Cursor. The co-founder declined to sign the $2M seed agreement, even after the investor had signed. With

I built the business plan before I had even heard of Cursor. The co-founder declined to sign the $2M seed agreement, even after the investor had signed. With Claude Code, Codex, and Antigravity, I can now take this product from architecture to implementation, testing, and release through a disciplined One-Person Engineering (OPE) approach. One engineer. AI-augmented execution. Full Software Development Life Cycle ownership. Build. Validate. Ship.