Flag translation collapse on the card: ribosome_elongation_rate_mean < 1 aa/s

README.md re-rendered with card.render: an Outcomes paragraph after the QC crosswalk states Cellarium's translation_collapse predicate (mean ribosome elongation rate below 1 aa/s) as ribosome_elongation_rate_mean < 1 in the summary config: 6,273 trajectories, 4,188 of them with termination_class none. manifest.json gains translation_collapse (per family counts).

README.md

@@ -255,7 +255,9 @@ The same outcomes in the `qc` vocabulary of the Cellarium corpus:
 | `equilibrium_unstable` | `crashed` | equilibrium solver failure |
 | `other` | `crashed` | any other simulator error |
 
-Only `time_limit` is a prediction of the model about the cell; the other non-`none` classes are numerical failures of the simulation, and a viability task should treat them as such. Cellarium's `implausible_channel`, `over_replicated` and `translation_collapse` have no counterpart here because well4cell does not run those checks; its vocabulary is defined in the Cellarium repository's `docs/QC_STATUSES.md` (https://github.com/evanniko1/cellarium).
+Only `time_limit` is a prediction of the model about the cell; the other non-`none` classes are numerical failures of the simulation, and a viability task should treat them as such. Cellarium's `implausible_channel` and `over_replicated` have no counterpart here because well4cell does not run those checks; its vocabulary is defined in the Cellarium repository's `docs/QC_STATUSES.md` (https://github.com/evanniko1/cellarium).
+
+A generation can divide while its ribosomes have effectively stopped, because chromosome replication does not require ongoing translation. The Cellarium corpus flags this as `translation_collapse` when the mean ribosome elongation rate over the generation is below 1 aa/s, an order of magnitude below the slowest elongation rate measured in *E. coli* (Dai et al. 2016). The same predicate on this dataset is `ribosome_elongation_rate_mean < 1` in the `summary` config. It flags 6,273 trajectories in this release, 4,188 of them with `termination_class` `none` (divided, but with translation collapsed). Treat them as inviable in any viability task.
 
 ## Suggested tasks
 

manifest.json

@@ -1 +1 @@
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