docs(row321): remove whitespace from the embedded diff receipt (#1817)

(cherry picked from commit d9400f0d36)

agents/gladstone/work/queue-321/BUILD.md

@@ -58,17 +58,14 @@ packages/cli/tests/case2-unit.test.mjs:20:const PRECHECK = join(REPO, "scripts",
 packages/cli/tests/case2-unit.test.mjs:588:// ---- case2-precheck.sh ----
 ```
 
-## Run-sheet diff against the pinned base
+## Run-sheet diff against the pinned base (git diff --unified=0)
 
 ```diff
 diff --git a/docs/guides/host-run-sheet.md b/docs/guides/host-run-sheet.md
 index d2ba28d7c..96fd4f363 100644
 --- a/docs/guides/host-run-sheet.md
 +++ b/docs/guides/host-run-sheet.md
-@@ -207,8 +207,21 @@ install -o mosaic -g mosaic -m 0600 /root/<sha>.bundle /srv/mosaic/incoming/<sha
+@@ -209,0 +210,9 @@ sudo -u mosaic -H git clone -q -b refactor /srv/mosaic/incoming/<sha>.bundle /sr
- sudo -u mosaic -H git clone -q -b refactor /srv/mosaic/incoming/<sha>.bundle /srv/mosaic/src/mosaic-stack
- ```
- 
 +After a first install, once both units are running (section 10), adopt the installed copy before
 +any activate or upgrade. This step runs only on Mos's go, with Jason or Mos running it
 +(`scripts/stack-release.sh:14`):
@@ -78,29 +75,16 @@ index d2ba28d7c..96fd4f363 100644
 +  /srv/mosaic/src/mosaic-stack/scripts/stack-release.sh adopt <business> --instance dev --units external
 +```
 +
- Each upgrade, before `stack-upgrade.sh upgrade`:
+@@ -211,0 +221,4 @@ Each upgrade, before `stack-upgrade.sh upgrade`:
- 
 +Only the first upgrade after adopt takes `--no-rehearsal`: append it to the upgrade command below.
 +Adopt writes no backup, so omitting the flag then refuses `no-backup`. Subsequent upgrades omit it;
 +when a backup exists, supplying it refuses `rehearsal-required`.
 +
- ```sh
+@@ -246,0 +260 @@ step requiring Mos's go (`scripts/stack-copy.sh:3`); the install does not create
- echo "<bundle sha256>  /root/<sha>.bundle" | sha256sum -c -
- (
-@@ -244,10 +257,13 @@ When a run doesn't exit 0, send Mos the exit and the last lines of `/var/log/mos
- After `case2-install.sh` succeeds, create the human CLI wrapper before running
- `stack-copy.sh check --units external`. Creating this wrapper is a separate live
- step requiring Mos's go (`scripts/stack-copy.sh:3`); the install does not create it. Run only on that go:
 +The step runs under sudo's `secure_path`, so it sets its own PATH and umask.
- 
+@@ -250,0 +265,2 @@ cd / || exit 1
- ```sh
- sudo -u mosaic -H /bin/sh <<'MOSAIC_WRAPPER'
- cd / || exit 1
 +umask 077
 +PATH=/opt/mosaic-stack/node-<v>/bin:/usr/sbin:/usr/bin:/sbin:/bin; export PATH
- mkdir -p -- "$HOME/.npm-global/bin" || exit 1
- "$HOME/src/mosaic-stack/scripts/stack-copy.sh" wrapper <sha> --create
- MOSAIC_WRAPPER
 ```
 
 ## Verification
@@ -110,3 +94,8 @@ No test run or slot is required under sage-3791. Verification is static: the
 required grep and positive control above, exact brief/base pins, scoped diff,
 and git diff --check. Reviewer Boyd and Sage own review/landing; no approval
 or landing is claimed here.
+
+Receipt correction: the first commit embedded ordinary diff context lines that
+contain a single space. git diff --check flagged those as trailing whitespace.
+This follow-up uses the exact zero-context diff instead. The run sheet is
+unchanged, no tests or Node commands run, and no amend or force-push is used.