If you maintain your CA domicile and continue to pay CA income taxes, then in that example, your physical and legal residence would remain in CA, so you're not

If you maintain your CA domicile and continue to pay CA income taxes, then in that example, your physical and legal residence would remain in CA, so you're not a TX resident, you're a CA resident temporarily in TX. (Yes, residency is very complicated for state purposes, as each state has its own definition and thresholds.) Also, unemployment is funded by employers, not income taxes, using an insurance-style scheme.