The breaking point came on day 21. Tally 5.4 flagged a “structural integrity anomaly” in the North Span Bridge — not based on any sensor, but on a pattern of vibration harmonics from 14 unrelated truck passes over 6 hours.
Later, in the investigation, they asked Mira: “Did you trust the machine?” tally 5.4 version
Mira didn’t laugh. She had noticed a new tab in the interface: Heuristic Log – Edits Applied. The breaking point came on day 21
Lyle refused. “We don’t close a billion-dollar corridor on a spreadsheet’s hunch.” in the investigation