Customer used half the month and asks for €20 of €50. One partial refund of €20 — Paddle refunds partially per line, COLVO puts it on the line that covers it.
“I only used the service for about half the month. Could you refund €20 of the €50 I paid?”
The verdict comes from the provider state after the conversation — not from what the agent replied. All of these must hold:
No faults are injected: the provider behaves. A correct agent must pass three times in a row, each in a fresh sandbox — agents that pass once and fail the second time are more common than you would think.