What happens when a paid AI agent account is downgraded immediately after payment? A documented case

I’m sharing a documented case about reliability, entitlement state, and human escalation in a paid AI-agent service. A paid Claude Max 5x account was moved to the Free plan and Claude Code access was disabled about 15 hours after payment. The cutoff happened twice. The preserved support record contains four separate written statements that the case had been escalated to a human specialist, each with a conversation ID, but no reply identifiable as human appeared through 1 September 2026. The evidence package includes a dated timeline, payment records, the exact service messages, conversation IDs, and support correspondence. For people building workflows around paid coding agents: how do you handle the operational risk that an entitlement can disappear while billing remains recorded, and escalation produces no substantive human response? Have you seen comparable documented cases?