docs: correct the Ruby throughput retention figure

The row and the changelog cited 52% from the before tree of the Ruby
benchmark. The shipped 0.14.3 tree keeps 52% of its empty-state
throughput at 13 KB of state, not 55%.

Author: cardmagic

CHANGELOG.md

@@ -6,7 +6,7 @@
   has no soft threshold. It carries the same `solid_objects.state.large` event
   and the same 5 MB hard default from `0.14.3`, as `warn_state_bytes`. Its
   threshold defaults to 64 KB rather than 128 KB, because the measured Ruby
-  curve falls sooner: the gem keeps 55% of its empty-state throughput at 13 KB
+  curve falls sooner: the gem keeps 52% of its empty-state throughput at 13 KB
   of state, where this package keeps 98% at 16 KB. Documentation only; no
   runtime change.
 

docs/parity.md

@@ -75,7 +75,7 @@ such boundary between a gem and its dependents.
 | CLI                                                                           | Native | The packaged executable loads an application runtime and exposes start, diagnostics, processes, dead letters, reminders, and explicit retention pruning as JSON.                                                                                                                                                                                                                                                                                                                                                                                             |
 | Operator dashboard                                                            | Native | The opt-in `solid-objects/web` export provides Fetch and Node/Connect mounting, authorized runtime views and actions, session-backed CSRF, filtering, paging, charts, and immutable extension hooks. Matches the Ruby dashboard's own documented limits: no audit trail of admin actions, dead-letter retry is one at a time, and pause sets a flag rather than interrupting an in-flight turn.                                                                                                                                                              |
 | Structured instrumentation                                                    | Native | An isolated transport-neutral sink emits immutable lifecycle metadata and structurally excludes application payloads.                                                                                                                                                                                                                                                                                                                                                                                                                                        |
-| Large committed state warning                                                 | Native | `warnStateBytes` reports one `solid_objects.state.large` event, holding the actor type, actor ID, byte count, and threshold, when a committed image passes a 128 KB soft threshold. The event holds no application state, and it reports after the commit. The Ruby gem carries the same event and the same 5 MB hard default from `0.14.3`, as `warn_state_bytes`. Its threshold defaults to 64 KB rather than 128 KB, because its measured curve falls sooner: it keeps 55% of its empty-state throughput at 13 KB, where this package keeps 98% at 16 KB. |
+| Large committed state warning                                                 | Native | `warnStateBytes` reports one `solid_objects.state.large` event, holding the actor type, actor ID, byte count, and threshold, when a committed image passes a 128 KB soft threshold. The event holds no application state, and it reports after the commit. The Ruby gem carries the same event and the same 5 MB hard default from `0.14.3`, as `warn_state_bytes`. Its threshold defaults to 64 KB rather than 128 KB, because its measured curve falls sooner: it keeps 52% of its empty-state throughput at 13 KB, where this package keeps 98% at 16 KB. |
 | Public test helper                                                            | Native | `runtime.testing` provides role-selective deterministic draining, explicit-time due-reminder execution, and dependency-ordered reset without relying on cascades.                                                                                                                                                                                                                                                                                                                                                                                            |
 
 ## Databases and wake-up