I think you need to be more realistic about your priorities right now, you need a job, any job, and a roof over your head mate.
The OS and runway for a start up can wait. This is not an investable proposition for anyone, what happens after 3 months of runway on a vibe coded OS?
Where's the go to market plan, where's the viable business here? I'm not saying none of that exists but you need to put yourself on more stable footing before working on it, otherwise it will remain a pipe dream.