R-518: a press with the local storage absent backs up nothing (never the off-site tier as a stand-in); an agent that flags no primary keeps the first tier

09 §3 decision 156 says the button makes the local copy only.
Test: TestManualRunTiers_NoPrimaryAvailable_BacksUpNothing (red-proved on the previous version).

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0159rPz1ZhFKsS53msqPYxtS

controller/internal/quiesce/tier_skip_test.go

@@ -82,12 +82,24 @@ func TestManualRun_UnknownStorageNotSkipped(t *testing.T) {
 
 // `09` §3 decision 156: a press backs up ONE tier. When no available tier is flagged primary (the
 // primary's storage is absent), the first available tier is backed up — never nothing.
-func TestManualRunTiers_NoPrimaryAvailable_BacksUpFirstAvailable(t *testing.T) {
+// `09` §3 decision 156: the press makes the LOCAL copy only. With the local storage absent it makes no copy at
+// all — the off-site tier is never its stand-in (it runs at night) — and stops no app.
+func TestManualRunTiers_NoPrimaryAvailable_BacksUpNothing(t *testing.T) {
 	be := newTierBackend()
 	be.tiers = []BackupTier{{Target: "local", Primary: true, StorageAbsent: true}, {Target: "felhom-pbs"}, {Target: "other"}}
-	l := newTierLoop(t, be, &fakeStacks{}, nil)
+	st := &fakeStacks{}
+	l := newTierLoop(t, be, st, nil)
 	got := l.manualRunTiers(context.Background())
-	if len(got) != 1 || got[0].target != "felhom-pbs" {
-		t.Fatalf("want exactly the first available tier, got %+v", got)
+	if len(got) != 0 {
+		t.Fatalf("want no tier (the local copy's storage is absent), got %+v", got)
+	}
+	if err := l.quiesceAndPollTiers(context.Background(), got); err != nil {
+		t.Fatalf("empty window: %v", err)
+	}
+	if len(be.started) != 0 {
+		t.Fatalf("an off-site backup was started for a manual press: %v", be.started)
+	}
+	if n := len(st.stoppedNames()); n != 0 {
+		t.Fatalf("%d app(s) were stopped for a press that backs up nothing", n)
 	}
 }