R-1352: the does-not-answer alarm is not mailed after the restart mail of the same episode. Hub commit only.

hub/internal/monitor/controller_supervisor_test.go

@@ -221,3 +221,54 @@ func TestControllerSupervisorChecker_UnresponsiveTextFollowsTheAgent(t *testing.
 		}
 	}
 }
+
+// R-1352: the alarm and the restart of ONE episode reach the hub in one report (they lie 2 minutes apart, reports 15). The
+// restart mail says all of it; the alarm „the agent restarts it in 2 minutes" after it reads backwards and is not mailed.
+// Seen live 2026-10-30 (R-1344's proof on Tester 1).
+//
+// RED-PROOF (2026-11-02): before the fix this fails on „got [controller_unresponsive_restart/warning
+// controller_unresponsive/warning]".
+func TestR1352_TheAlarmOfAnEpisodeIsNotMailedAfterItsRestart(t *testing.T) {
+	st := newCapStore(t)
+	rec := &evRec{}
+	c := NewControllerSupervisorChecker(st, rec.fn, log.New(io.Discard, "", 0))
+	st.SaveHostReport("h1", "c1", supReport(`[{"vmid":9201,"restarts_total":0,"crashloop":false,"parked":false}]`), store.HostReportDenorm{})
+	c.Check()
+	rec.take()
+	st.SaveHostReport("h1", "c1", supReport(`[{"vmid":9201,"restarts_total":1,"last_restart_at":"2026-10-30T09:31:22Z","last_reason":"did not answer","crashloop":false,"parked":false,"unresponsive":false,"unresponsive_since":"2026-10-30T09:29:21Z","unresponsive_restart_after_s":120,"unresponsive_restart_at":"2026-10-30T09:31:22Z"}]`), store.HostReportDenorm{})
+	c.Check()
+	if evs := rec.take(); len(evs) != 1 || evs[0] != "controller_unresponsive_restart/warning" {
+		t.Fatalf("got %v, want exactly [controller_unresponsive_restart/warning]", evs)
+	}
+}
+
+// A NEW episode that began after the restart, in the same report, still alarms: it has had no restart yet.
+func TestR1352_ANewEpisodeAfterTheRestartStillAlarms(t *testing.T) {
+	st := newCapStore(t)
+	rec := &evRec{}
+	c := NewControllerSupervisorChecker(st, rec.fn, log.New(io.Discard, "", 0))
+	st.SaveHostReport("h1", "c1", supReport(`[{"vmid":9201,"restarts_total":0,"crashloop":false,"parked":false}]`), store.HostReportDenorm{})
+	c.Check()
+	rec.take()
+	st.SaveHostReport("h1", "c1", supReport(`[{"vmid":9201,"restarts_total":1,"last_restart_at":"2026-10-30T09:31:22Z","last_reason":"did not answer","crashloop":false,"parked":false,"unresponsive":true,"unresponsive_since":"2026-10-30T09:40:00Z","unresponsive_restart_after_s":120,"unresponsive_restart_at":"2026-10-30T09:31:22Z"}]`), store.HostReportDenorm{})
+	c.Check()
+	evs := strings.Join(rec.take(), " ")
+	if !strings.Contains(evs, "controller_unresponsive_restart/warning") || !strings.Contains(evs, "controller_unresponsive/warning") {
+		t.Fatalf("got %q, want the restart AND the new episode's alarm", evs)
+	}
+}
+
+// An alarm with no restart is unchanged (control).
+func TestR1352_AnAlarmAloneStillMails(t *testing.T) {
+	st := newCapStore(t)
+	rec := &evRec{}
+	c := NewControllerSupervisorChecker(st, rec.fn, log.New(io.Discard, "", 0))
+	st.SaveHostReport("h1", "c1", supReport(`[{"vmid":9201,"restarts_total":0,"crashloop":false,"parked":false}]`), store.HostReportDenorm{})
+	c.Check()
+	rec.take()
+	st.SaveHostReport("h1", "c1", supReport(`[{"vmid":9201,"restarts_total":0,"crashloop":false,"parked":false,"unresponsive":true,"unresponsive_since":"2026-10-30T09:29:21Z","unresponsive_restart_after_s":120}]`), store.HostReportDenorm{})
+	c.Check()
+	if evs := rec.take(); len(evs) != 1 || evs[0] != "controller_unresponsive/warning" {
+		t.Fatalf("got %v, want exactly the alarm", evs)
+	}
+}