hub: gofmt -w on 22 files, formatting only, no behaviour change (R-1160)

hub/internal/api/managed_floor_ack_test.go

@@ -13,7 +13,7 @@ import (
 // report handler to the ungated EffectiveMinControllerVersion → the held case leaks the floor.
 func TestReportACK_ManagedFloorHold(t *testing.T) {
 	h, st, _ := newTestHandler(t)
-	st.SetDefaultMinControllerVersion("0.113.0")                                                  // controller floor
+	st.SetDefaultMinControllerVersion("0.113.0")                                                     // controller floor
 	_ = st.SetArtifactManifest(store.ArtifactManifest{GoldenVersion: "0.113.0", MinAgent: "0.81.0"}) // coupled golden
 	if err := st.SaveCustomerConfig(&store.CustomerConfig{CustomerID: "c", RetrievalPassword: "pw", APIKey: "k", ConfigJSON: "{}"}); err != nil {
 		t.Fatal(err)