diff --git a/agents/launchpad/work/queue-301/BUILD.md b/agents/launchpad/work/queue-301/BUILD.md
index a5825f3ef..dd779b5a0 100644
--- a/agents/launchpad/work/queue-301/BUILD.md
+++ b/agents/launchpad/work/queue-301/BUILD.md
@@ -14,23 +14,25 @@ Base e551cd846 (refactor after row 303). Branch launchpad/row301.
 - packages/webui/src/cli.mjs: the two imports become one, from './bus.mjs'.
 - packages/webui/src/console-bus.mjs: a comment names bus.mjs instead of user-bus.mjs.
 - packages/webui/tests/granted-user.test.mjs:22-23: the two imports become one, from '../src/bus.mjs'.
-  Only the import path changes. The brief says "update its imports", but this file is an old test,
-  so Sage should confirm the line counts as an import update and not as an assertion change.
+  Only the import path changes. Mos ruled (mos-1449, via sage-3399) that this is covered by "update
+  its imports" and is not an old-test change.
 
 No other reference to user-bus.mjs remains under packages/. tools/agent-watch's "user-bus" means
 something unrelated. The 294 packet's mutants name the old file as history only.
 
 ## Re-pin held
 
-channel-proof.test.mjs:28 pins packages/webui/src/bus.mjs at 15e8123f…3313. After this change the
+channel-proof.test.mjs:28 pins## Re-pin
+
+channel-proof.test.mjs:28 pinned packages/webui/src/bus.mjs at 15e8123f…3313. After the fold the
 file hashes to 39fcb27c82e917ef05e1a7a650d522c9f3c656bf8dbade87b8ddb3661b67ad6c. A pin change is an
-old-test change, and the brief allows it only in a re-pin Mos approves. So this commit leaves the pin
-alone, and channel-proof.test is red on it until then. The re-pin is one value plus a comment line
-in the row 196/254/236 style. It goes in a second commit once Mos says go.
+old-test change. Mos approved it under mos-1272 in mos-1449 (via sage-3399), as its own commit, with
+row 301 making its own re-pin window. Mos checked fd4b8c36e read-only: bus.mjs hashes to 39fcb27c,
+its diff removes no lines, user-bus.mjs from `export const USER_CLI` to the end is in it byte for
+byte, and nothing else imports user-bus.mjs. The second commit changes that one value and adds one
+comment line in the row 165/171/194 style.
 
-## Gate
+nel-proof.test, the webui suite and the 294 user-transport
+tests (granted-user.test.mjs) run whole and green, on Sage's CLEAR. Not run yet.
 
-Duckworth approves the manifest. channel-proof.test, the webui suite and the 294 user-transport
-tests (granted-user.test.mjs) run whole and green, on Sage's CLEAR, after the re-pin go. Not run yet.
-
-MANIFEST.sha256 lists the four changed paths. DELETED.txt names the one removed path.
+MANIFEST.sha256 lists the five changed paths. DELETED.txt names the one removed path.
diff --git a/agents/launchpad/work/queue-301/MANIFEST.sha256 b/agents/launchpad/work/queue-301/MANIFEST.sha256
index 610950e1f..4f60a9bc6 100644
--- a/agents/launchpad/work/queue-301/MANIFEST.sha256
+++ b/agents/launchpad/work/queue-301/MANIFEST.sha256
@@ -1,3 +1,4 @@
+db1f05e312b9bee7ece7df7df78047a2965024109a297cb8a24112135a6e5f04  packages/bus/tests/channel-proof.test.mjs
 39fcb27c82e917ef05e1a7a650d522c9f3c656bf8dbade87b8ddb3661b67ad6c  packages/webui/src/bus.mjs
 0862b2b5bf6511d2c5deca1f318eee643edaee489c0ce8c83e57364f2f54a3d8  packages/webui/src/cli.mjs
 653d2087c0796a35c3884b7243d1adf8a78c52950a4924049317063f2d3c0974  packages/webui/src/console-bus.mjs
diff --git a/packages/bus/tests/channel-proof.test.mjs b/packages/bus/tests/channel-proof.test.mjs
index fea6c0e49..5c174528d 100644
--- a/packages/bus/tests/channel-proof.test.mjs
+++ b/packages/bus/tests/channel-proof.test.mjs
@@ -25,7 +25,8 @@ const baselines = {
  // Row 171 (#1668): project-name-is-repo maps to 409; no proof or transport change.
  // Row 194 (#1692, brief item 7, sage-1610 a): organization-tracker-required 400 and
  // organization-tracker-bot-taken 409; no proof or transport change.
- "packages/webui/src/bus.mjs": "15e8123ffdbb6d067e8a516f5823efdb5de3c869963764f27cd14bb9e4ce3313",
+ // Row 301 (#1808, mos-1449): the user transport moved from user-bus.mjs into bus.mjs; humanCall unchanged.
+ "packages/webui/src/bus.mjs": "39fcb27c82e917ef05e1a7a650d522c9f3c656bf8dbade87b8ddb3661b67ad6c",
 };
 const repoFile = path => new URL("../../../" + path, import.meta.url);