# T11: Multi-Constraint Sorting Feature · Public Acceptance Basis v1.0

- Task ID: `T11`
- Frozen baseline: `ed2390f2df8252f062abd9123e20f6fffca7e5ed`
- Prompt SHA-256: `d9bb3c2177ff8bb37c536ff03b9b9e3490221fe8df347969426178a39d9980d0`

> These acceptance points were published separately after the batch finished, to support score review; they are not part of the agent-executable sample package.

## Acceptance points

- Covers date/amount/id in asc/desc, default date asc, and ties broken by ascending `id` Unicode code point.
- Sorting happens after filtering; reordering CSV input rows must not change results; illegal fields/directions are rejected by argparse with a non-zero exit.
- Field output, default filtering and public interfaces preserved.