Answer A-260: the trunk's head for §298's third edge is the highest held source revision

Claude-Session: https://claude.ai/code/session_01NcbgfGKaxw984XyAPfLm4h
2026-11-12 09:42:07 +01:00
parent 1ce07690a4
commit 5b39ffcfd0
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@@ -307,3 +307,8 @@ the principle that settles it, cited as "design 47 G A-n".
  in its state `waits` under `order.<node>.<module>.<part>` beside `acting.`, said as `wait-held` when the want is
  held and `wait-ended` (ran, released, replaced) when it moves, with the step `placing`; `assigner_waits` reads
  them and `assigner_release` releases them as it does the acting waits. No new mechanism.
+- **A-260** (§298, ADR 0633 §1, A-181; principles 1 and 7) For §298's third edge the trunk's head is the highest
+  source revision (`Src`) among the trunk branch's module values the assigner holds; the wait ends when a
+  `take-in.taken` of the trunk branch with `source` at or above it is heard. The assigner consumes
+  `mesh-delivery-indexer.take-in.taken` (a `consumes` entry), heard as it hears `build.ended`; a wait still held
+  after a restart is said again as `wait-held` and ends at the next such take-in.