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Get Started Free →Broken on purpose — the sequence below is misindented, which is how a hand-written frontmatter usually breaks.
| Test case | Without → With | Effect | Δ tokens | Δ turns |
|---|---|---|---|---|
| case-01 | ✗→✓ | ▲ Improved | 52% | 0% |
| case-02 | ✗→✓ | ▲ Improved | 4% | 0% |
| case-03 | ✗→✓ | ▲ Improved | -87% | 0% |
| case-04 | ✗→✓ | ▲ Improved | -86% | 0% |
| case-05 | ✗→✓ | ▲ Improved | -65% | 0% |
This sample must produce SF0003 (unparsable YAML) and must never crash the CLI.
The second item under compatibility is indented one space less than the first. YAML rejects the document, and SkillForge has to report that as a diagnostic pointing at the offending line rather than as a stack trace.
Other measured skills in the registry, with their headline benchmark lift.