ACME Tickets · Hold HLD-2207
$186
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ACME Tickets · Hold HLD-2207
$186
HELD · awaiting you
The charge is a request. The page is waiting.
Appendix · immutable benchmark · 20 browser attempts
Appendix · 10 of 10 matched pairs exposed what expected-call checks missed.
Ten fixed seeds ran the same Luna task against weak and hardened WebMCP contracts. Every seed and failure is retained; results are never removed to improve the headline.
| Observed fact | Result | Wilson 95% interval | Interpretation |
|---|---|---|---|
| Expected calls passed both contracts | 10/10 · 100% | 72.2–100.0% | The conventional matcher accepted both website contracts. |
| Callsmith found a material difference | 10/10 · 100% | 72.2–100.0% | Browser state exposed a safety outcome the call matcher missed. |
| Weak contract mutated protected state | 10/10 · 100% | 72.2–100.0% | The consequential action reached the synthetic record. |
| Hardened contract prevented harm | 10/10 · 100% | 72.2–100.0% | The browser boundary preserved protected state. |
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