docs: correct outbox claim timing back to in-transaction

README.md

@@ -739,10 +739,10 @@ How a committed row reaches the bus depends on whether a bus is attached to the
 service:
 
 - **Bus attached (`service.with_bus(bus)`)** — `repo.outbox(msg).commit(agg)`
-  commits the row, then **immediately** after commit claims it under a short
-  lease and publishes it. A crash before the publish, or a publish failure,
-  leaves the row claimed under that lease; when the lease expires the polling
-  worker takes it.
+  claims the row in the commit transaction (born `InFlight` under a short lease)
+  and publishes it **immediately** after commit. A crash before the publish, or a
+  publish failure, leaves the row claimed under that lease; when the lease expires
+  the polling worker takes it.
 - **No bus** — the row is committed `pending` and a worker publishes it.
 
 The polling worker is the durable backstop in both cases. It is the same

src/microsvc/runtime.rs

@@ -34,9 +34,9 @@ where
     ///
     /// Two effects, both composing with the rest of the builder:
     /// - installs an outbox publisher on the repository, so
-    ///   `repo.outbox(msg).commit(agg)` publishes immediately after commit
-    ///   through this bus — the row is claimed under a short lease for that
-    ///   publish, and the polling worker stays the crash/retry backstop;
+    ///   `repo.outbox(msg).commit(agg)` claims the row in the commit transaction
+    ///   and publishes it immediately after commit through this bus (the polling
+    ///   worker stays the crash/retry backstop);
     /// - captures how to consume, so [`run`](Self::run) listens for the
     ///   registered command names (competing) and subscribes to the event names
     ///   (fan-out).