Give every condition a headline, an explanation and a resolved line in plain words

The operator could not read the desktop notifications: they carried plan ids,
commits, keys and verb syntax. The words the operator reads now travel with the
condition, so every channel says them (hq ADR 0253).

cmd/mesh-controller/watchdogs.go

@@ -150,6 +150,8 @@ type planFacts struct {
 type waitFacts struct {
 	id, repository, commit, awaits string
 	since                          time.Time
+	// modules are the modules the walk moves, as a person names the delivery.
+	modules []string
 }
 
 type loopFacts struct {
@@ -451,7 +453,7 @@ func gatherPlans(ctx context.Context, inv *inventory.Inventory, now time.Time) (
 		// S16's, whatever mesh-delivery says or does not say.
 		if p.Waiting() {
 			waits = append(waits, waitFacts{id: p.ID, repository: p.Repository, commit: p.Commit,
-				awaits: p.Delivery.Awaits, since: p.Created})
+				awaits: p.Delivery.Awaits, since: p.Created, modules: planModules(p)})
 			continue
 		}
 		_, paused := pausedWaiting(p, pause, now)