darkwing: row 92 round 2 rebased onto ac37cd17, candidate 8bf4141c (#1586)

Row 89 landed on packages/harness/README.md. The patch applies cleanly;
gate 14/14 green and 34/34 mutants killed on the new base.

Co-Authored-By: Claude Opus 5.5 <[email protected]>

agents/darkwing/work/queue-92/r2/build.patch

@@ -502,10 +502,10 @@ index 15b36fe0..f8013726 100644
      const [line] = await once(createInterface({ input: old.stdout }), "line");
      const first = JSON.parse(line);
 diff --git a/packages/harness/README.md b/packages/harness/README.md
-index 7598a573..f7516753 100644
+index 1d1d7c5b..7c040c66 100644
 --- a/packages/harness/README.md
 +++ b/packages/harness/README.md
-@@ -159,28 +159,41 @@ Each turn's stderr goes to `turns/NNNN.stderr` (0600) in the run directory.
+@@ -176,28 +176,41 @@ Each turn's stderr goes to `turns/NNNN.stderr` (0600) in the run directory.
  
  These are limits, not bugs, and nothing in this package claims otherwise.
  
@@ -567,7 +567,7 @@ index 7598a573..f7516753 100644
  - **If the host dies,** sessions keep running until their broker polls fail
    `brokerRetries` times, then exit 23. The next host kills what still runs
    and ends those launches as `host-lost` (`packages/cli/README.md`,
-@@ -200,7 +213,7 @@ These are limits, not bugs, and nothing in this package claims otherwise.
+@@ -224,7 +237,7 @@ These are limits, not bugs, and nothing in this package claims otherwise.
    another process of the same user) isn't seen. That is the same reach as
    `bash` itself.
  - **The system prompt is in argv** for both adapters, so the same UID can