Portfolio groups claims by exact vault. It separates available demo cash, unmatched financing, committed exit escrow and in-kind raw units so one dollar is not counted three times.
A cash exit values a selected receipt fraction, uses vault cash first, removes enough stock units and charges the explicit modeled execution cost. Stale pricing, issuer freeze, batch limits or leverage checks can block it without mutating the original ledger.
Use the Portfolio workspace and open the three exit routes tutorial.