Point the handoff at the reviewed head

docs/HANDOFF.md

@@ -18,7 +18,7 @@ present when checked on 2026-09-15.
 
 The separate frame/extent experiment lives in
 `/home/bob/repos/iris-layout-experiment`. **The transparent-frames protocol
-is implemented** on `wip/transparent-frames`, head **`0954770`**, two
+is implemented** on `wip/transparent-frames`, head **`49cec82`**, three
 commits over `34cafb6` (`wip/region-and-placement`, the experiment as it
 was). The app's framework pin is unchanged, and **none of this is ready to
 replace #18**: two fuzzer seeds still settle differently warm than cold, and
@@ -33,8 +33,8 @@ Decided with Bryan on 2026-09-18 and implemented the same day. His rules are
 kept below because they are the design; the protocol section says what the
 code now does, and **What it cost** and **What is not done, and why** say
 where it stands. The step list the plan carried is gone: steps 1 to 5 are in
-`1956be3`, the measurements that follow are in `0954770`, and steps 6 to 9
-are the open questions at the end.
+`1956be3`, the measurements that follow are in `0954770`, the review pass is
+`49cec82`, and steps 6 to 9 are the open questions at the end.
 
 ### Decided by Bryan
 
@@ -212,7 +212,7 @@ Widget draws / distinct widgets / update, from
 these are single runs rather than medians; `e44dea3` is #18's head and
 `34cafb6` the commit this branch starts from.
 
-| seed 1  | e44dea3      | 34cafb6      | `0954770`     |
+| seed 1  | e44dea3      | 34cafb6      | here          |
 | ---     | ---          | ---          | ---           |
 | cold    | 369/261/10.6 | 463/274/13.3 | 516/288/12.0  |
 | repaint | 1            | 1            | 1             |
@@ -221,7 +221,7 @@ these are single runs rather than medians; `e44dea3` is #18's head and
 | scroll  | 2/0.002      | 1            | 1/0.004       |
 | resize  | 13/13/0.019  | 22/15/0.032  | 24/76/0.090   |
 
-| seed 13 | e44dea3       | `0954770`      |
+| seed 13 | e44dea3       | here           |
 | ---     | ---           | ---            |
 | cold    | 1330/707/20.3 | 2940/982/28.3  |
 | many    | 524/159/1.09  | 1091/423/2.39  |
@@ -862,7 +862,7 @@ is a useful regression target for the experimental recomposition.
 
 ## Verification at the current head
 
-At `0954770` on `wip/transparent-frames`: `cargo fmt --all --check`, clippy
+At `49cec82` on `wip/transparent-frames`: `cargo fmt --all --check`, clippy
 with `-D warnings`, 108 suite tests and 20 core tests in debug, the 11
 generated cases, and the six rig phases in the table above. The shrinker at
 400 trees of depth 5 **fails**, at seeds 2 (`repaint`) and 108 (`reorder`);