row 206 r3 (#1704): BUILD.md records the C3 rebase onto 275 at 3410df7c3 on 253's 48e450ce8, and the sweep

agents/launchpad/work/queue-206/BUILD.md

@@ -9,7 +9,13 @@ sections 4.3, 5.2-5.6 and 8. Reviewer: Duckworth. Assignment: sage-2789.
 - Started on aca16404c (sage-2789) on branch launchpad/row206; 631a256ba pushed there (sage-2854).
 - Round 2: rebased onto Morgana's 275 r3, 957a9bfe0 (morgana-0143, which carries duckworth-0166
   B1), on the new branch launchpad/row206-r275. No force push of the old branch.
-- After 253 lands, rebase onto its tip under a new branch name.
+- Round 3 (C3): 253 landed at 48e450ce8. Morgana rebased 275 onto it as morgana/row275-48e4, tip
+  3410df7c3 (morgana-0144, range-diff `=` for all three). 206 is rebased onto 3410df7c3 as
+  launchpad/row206-48e4. Range-diff against the round 2 commits is `=` for all five, and the 22
+  manifest blobs equal round 2's (e4dba2a84). C3 sweep: outside agents/ and docs/, 253 changed
+  BUILD-LOG.md, packages/cli/tests/{case-sudo-fixture.mjs, case1-accept.test.mjs,
+  case2-unit.test.mjs}, packages/webui/README.md and scripts/{case1-accept.sh, case2-unit.sh}.
+  None is a 275 or 206 path, and no bus test, stack-release.test or stack-release.sh reads them.
 - 275 gives `VIEWER_VERBS`, `userLevel(verb)` and verb-aware `#granted`/`#grantedThread`, and
   `#userGrants` keeps a live grant of any level, so a viewer binds. On the rebase:
   - USER_VERBS keeps 275's block and gains the three share verbs. They are not in VIEWER_VERBS,