Add ChatPlan paste/export loop with check-off and FSE annotations.

Close P1 arch-code gaps: loop summary, template-echo Rules, Move now, proof kinds.

Add loop-break daily fields, proof wizard, and high-intensity coach interrupts.

Complete P1 schedule loop: seed day, live capacity, templates, API tests.

Ship Plan timeline with thick feedback, priors, and P1 Seligman scope lock.

Deploy Habit Journal backend S0-S10 to Hugging Face Space.