Record the fifth sweep and point the handoff at 7502176

The renderer, the text store, the input default and the harness, which the
four earlier rounds did not read, plus a second look at `redraw`.

docs/HANDOFF.md

@@ -6,8 +6,8 @@ found is in `docs/LAYOUT_LOG.md`.
 
 ## The Iris layout repair is submitted
 
-**Iris PR #19** (`layout/one-ask`) replaces closed #18. The tip is `69ba915`,
-and past the reviewed `cadfba0` it is six rounds, each described in
+**Iris PR #19** (`layout/one-ask`) replaces closed #18. The tip is `7502176`,
+and past the reviewed `cadfba0` it is seven rounds, each described in
 `docs/LAYOUT_LOG.md`:
 
 - **The repair**, `add6774` and `84dad21` -- collapsed-share placement,
@@ -23,6 +23,10 @@ and past the reviewed `cadfba0` it is six rounds, each described in
   against the placed box rather than the box asked about, two things nothing
   read, three reuse rejections the diagnostics could not see, and a fuzz case
   that ran only in the long scan.
+- **A sweep over the renderer, the text store and the retained path**,
+  `d8d5122` through `7502176` -- a contract kept where the new window left
+  it out, a surface configured under its own texture, a counter naming the
+  wrong contract, and three things nothing reads.
 
 The settled design of the last three is in `docs/LAYOUT.md` under "Three
 names, and the one argument that says them". Bryan settled the API over
@@ -42,7 +46,7 @@ the **cold dump**. `layout_dump` over 400 depth-5 trees is 34,492 boxes, and
 it is the only thing that catches two same-typed values being swapped, which
 is the failure mode of a rename or a move. The repair moved 650 of those
 boxes, all from the collapsed-share correction; every commit since has been
-byte-identical to `84dad21`, the clarity sweep included.
+byte-identical to `84dad21`.
 
 **Only when the change can alter what layout computes**: the three seed scans
 -- 400 at depth 5, 1,000 at depth 6, 2,000 at depth 4. They cost about a