v1.5.0 — rename to equity_funding_plan (breaking)
Breaking rename of the v1.4.0 tool. house_funding_plan → equity_funding_plan. Same behavior; generalizes the framing from down-payment-funding to any goal-funded liquidation. Endpoint moves from /api/v1/house-funding → /api/v1/equity-funding. Prompt moves from plan-house-funding → plan-equity-funding. Anyone who integrated v1.4.0 needs to update the tool name.