diff --git a/CHANGELOG.md b/CHANGELOG.md
index d2110e44..75085e32 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -31,7 +31,9 @@ says „not started yet", alarms the operator; a late start is a success; never
   that read „running", and a restore whose 90 s health wait passed dropped it at once — an app crashing and restarting
   reads „running" between crashes. Now ONE rule (`waitStableStart`) for both: for 3 minutes every sample (each 10 s) has
   the stack running, every healthcheck `healthy`, the same containers and no RestartCount grown (`ContainerSamples`, a
-  read-only `docker inspect` in the stack adapter). The page's first verdict is unchanged; the copy is released after
+  read-only `docker inspect` in the stack adapter). The page's first verdict also needs a stable 45 s after the 90 s
+  health wait (`restoredAppStarted`, every restore path), so an app that runs, crashes and restarts reads „not started
+  yet" on the page as well (`TestFixA_AFlappingAppKeepsTheCopy`, seen failing with the one-sample wait); the copy is released after
   the window (`releaseAfterStableStart`), or stays for support with one operator line if no stable window comes in 30
   minutes. A NEW restore of the app (one begun after the watch started) ends the watch untouched — found while
   testing: the watch starts inside its own restore, before the page's record ends, so „a restore of the app runs"
diff --git a/controller/internal/api/r650_main_test.go b/controller/internal/api/r650_main_test.go
index edec5ad6..b9c036b9 100644
--- a/controller/internal/api/r650_main_test.go
+++ b/controller/internal/api/r650_main_test.go
@@ -4,9 +4,13 @@ import (
 	"os"
 	"testing"
 
+	"gitea.dooplex.hu/admin/felhom-controller/internal/backup"
 	"gitea.dooplex.hu/admin/felhom-controller/internal/dockerexec"
 )
 
 // TestMain puts a silent docker stub on PATH for every test in this package: R-650, the fixtures
 // here build a real stacks.Manager, and on the build host (DooPlex) that reached production Docker.
-func TestMain(m *testing.M) { os.Exit(dockerexec.RunWithStub(m)) }
+func TestMain(m *testing.M) {
+	backup.ShortenRestoreTimingForTests() // fix A's stable windows in milliseconds here too
+	os.Exit(dockerexec.RunWithStub(m))
+}
diff --git a/controller/internal/backup/main_test.go b/controller/internal/backup/main_test.go
index 631fdb7f..7c285509 100644
--- a/controller/internal/backup/main_test.go
+++ b/controller/internal/backup/main_test.go
@@ -14,7 +14,7 @@ import (
 // The production values are captured here BEFORE they are shortened, so the pin below reads what a
 // box runs, not what the tests run.
 var prodHealthSettle, prodHealthInterval, prodHealthTimeout = healthSettle, healthInterval, healthTimeout
-var prodStableWindow, prodStablePoll, prodStableWatch = stableStartWindow, stableStartPoll, stableReleaseWatch
+var prodStableWindow, prodStablePoll, prodStableWatch, prodVerdictWindow = stableStartWindow, stableStartPoll, stableReleaseWatch, verdictStableWindow
 
 func TestMain(m *testing.M) {
 	healthSettle = 0
@@ -25,6 +25,7 @@ func TestMain(m *testing.M) {
 	imagePresentDefault = func(string) bool { return true }
 	// fix A (R-1270 follow-up): the stable-start window, shortened for the package the way the health wait is.
 	stableStartWindow, stableStartPoll, stableReleaseWatch = 30*time.Millisecond, 2*time.Millisecond, 2*time.Second
+	verdictStableWindow = 10 * time.Millisecond
 	os.Exit(m.Run())
 }
 
@@ -35,7 +36,7 @@ func TestR488_HealthWaitDefaultsAreProduction(t *testing.T) {
 		t.Fatalf("production health wait changed: settle=%v interval=%v timeout=%v (want 3s/5s/1m30s) — "+
 			"a restored app now gets a different grace on every box", prodHealthSettle, prodHealthInterval, prodHealthTimeout)
 	}
-	if prodStableWindow != 3*time.Minute || prodStablePoll != 10*time.Second || prodStableWatch != 30*time.Minute {
+	if prodStableWindow != 3*time.Minute || prodStablePoll != 10*time.Second || prodStableWatch != 30*time.Minute || prodVerdictWindow != 45*time.Second {
 		t.Fatalf("production stable-start rule changed: window=%v poll=%v watch=%v (want 3m/10s/30m)", prodStableWindow, prodStablePoll, prodStableWatch)
 	}
 }
diff --git a/controller/internal/backup/offbox_reconstitute.go b/controller/internal/backup/offbox_reconstitute.go
index d8043573..e3286228 100644
--- a/controller/internal/backup/offbox_reconstitute.go
+++ b/controller/internal/backup/offbox_reconstitute.go
@@ -1175,7 +1175,7 @@ func (m *Manager) ReconstituteFromOffsite(ctx context.Context, stack string, ack
 	// Pinned by TestR475_OffsiteRestoreClearsAnUpdateHold.
 	m.clearUpdateHoldAfterRestore(stack)
 	// R-1270: never a success over an app that did not start; the data stays, the undo copy (and the safety dump) stay.
-	if err := m.waitForHealthy(stack, healthTimeout); err != nil {
+	if err := m.restoredAppStarted(stack); err != nil {
 		return res, m.restoreNotStarted(stack, "off-site restore", err, undo)
 	}
 
diff --git a/controller/internal/backup/restore.go b/controller/internal/backup/restore.go
index 5870a337..1cff33c0 100644
--- a/controller/internal/backup/restore.go
+++ b/controller/internal/backup/restore.go
@@ -153,7 +153,7 @@ func (m *Manager) RestoreApp(stackName, snapshotID string) error {
 	}
 
 	// Verify app started successfully — R-1270: a timeout is not a success.
-	healthErr := m.waitForHealthy(stackName, healthTimeout)
+	healthErr := m.restoredAppStarted(stackName)
 
 	if dataErr != nil {
 		return fmt.Errorf("restore of %s completed with data errors: %w", stackName, dataErr)
diff --git a/controller/internal/backup/restore_unit.go b/controller/internal/backup/restore_unit.go
index 2f808f1b..eebee576 100644
--- a/controller/internal/backup/restore_unit.go
+++ b/controller/internal/backup/restore_unit.go
@@ -584,7 +584,7 @@ func (m *Manager) RestoreFromRecoveryUnitAtWith(stackName, unitDir string, opt U
 	m.clearUpdateHoldAfterRestore(stackName)
 	// R-1270: the verdict follows the app. A health timeout is NOT a success (it used to be a WARN, and the page said
 	// „az alkalmazás újraindult" over an app that never came up); the data stays restored and the undo copy is kept.
-	if err := m.waitForHealthy(stackName, healthTimeout); err != nil {
+	if err := m.restoredAppStarted(stackName); err != nil {
 		return res, m.restoreNotStarted(stackName, "unit restore", err, undo)
 	}
 
diff --git a/controller/internal/backup/restore_verdict.go b/controller/internal/backup/restore_verdict.go
index cdc9cc28..6486b7a0 100644
--- a/controller/internal/backup/restore_verdict.go
+++ b/controller/internal/backup/restore_verdict.go
@@ -110,9 +110,13 @@ func removeCopyDir(m *Manager, stack, copyDir string) {
 // whatever its timing; it costs the household nothing (the app runs meanwhile), only the copy's disk for 3 minutes more.
 
 var (
-	stableStartWindow  = 3 * time.Minute
-	stableStartPoll    = 10 * time.Second
-	stableReleaseWatch = 30 * time.Minute
+	// verdictStableWindow is the first verdict's own stable window (after the 90 s health wait found the app running):
+	// 45 s — longer than the 20 s crash cycle of the measured case, so an app that runs, crashes and restarts is
+	// „not started yet" on the page too, and short enough that a good restore is reported within about two minutes.
+	verdictStableWindow = 45 * time.Second
+	stableStartWindow   = 3 * time.Minute
+	stableStartPoll     = 10 * time.Second
+	stableReleaseWatch  = 30 * time.Minute
 )
 
 // ContainerSample is one container of a stack as a stable-start sample sees it.
@@ -176,9 +180,14 @@ func sameRestartFingerprint(a, b map[string]int) bool {
 // that began after this watch did. (The watch starts inside its own restore, before the handler ends that restore's
 // record, so „a restore of the app is running" alone would end every watch at once.)
 func (m *Manager) waitStableStart(stack string, watchFrom, deadline time.Time) stableResult {
+	return m.waitStableFor(stack, watchFrom, deadline, stableStartWindow)
+}
+
+// waitStableFor is waitStableStart with an explicit window (the first verdict's is shorter, verdictStableWindow).
+func (m *Manager) waitStableFor(stack string, watchFrom, deadline time.Time, window time.Duration) stableResult {
 	var since time.Time
 	var fp0 map[string]int
-	window, poll := stableStartWindow, stableStartPoll // read once: the rule this watch began under
+	poll := stableStartPoll // read once: the rule this watch began under
 	for time.Now().Before(deadline) {
 		if m.restoreBegunAfter(stack, watchFrom) {
 			return stableAborted
@@ -230,3 +239,27 @@ func (m *Manager) restoreBegunAfter(stack string, t time.Time) bool {
 	defer m.mu.Unlock()
 	return m.restoreRunningForLocked(stack) && m.opStartedAt.After(t)
 }
+
+// restoredAppStarted is the restore's first verdict (every path): the 90 s health wait (one running sample, as before)
+// AND then a stable verdictStableWindow within another health timeout — so an app that crashes and restarts is not
+// reported as started. nil = started (the page says so; the copy is still released only after stableStartWindow).
+func (m *Manager) restoredAppStarted(stack string) error {
+	if err := m.waitForHealthy(stack, healthTimeout); err != nil {
+		return err
+	}
+	from := time.Now()
+	switch m.waitStableFor(stack, from, from.Add(healthTimeout+verdictStableWindow), verdictStableWindow) {
+	case stableYes:
+		return nil
+	case stableAborted:
+		return fmt.Errorf("a new restore of %s began", stack)
+	}
+	return fmt.Errorf("stack %s did not run stably for %s (it restarted or turned unhealthy) after restore", stack, verdictStableWindow)
+}
+
+// ShortenRestoreTimingForTests (TESTS ONLY — other packages' TestMain) makes the stable-start rule take milliseconds,
+// as this package's own TestMain does; a web or api test that runs a real restore then does not wait 45 s per call.
+// Never called by production code (pinned by TestR488_HealthWaitDefaultsAreProduction reading the defaults).
+func ShortenRestoreTimingForTests() {
+	verdictStableWindow, stableStartWindow, stableStartPoll = 10*time.Millisecond, 30*time.Millisecond, 2*time.Millisecond
+}
diff --git a/controller/internal/backup/stable_start_test.go b/controller/internal/backup/stable_start_test.go
index d9906671..049b7ce2 100644
--- a/controller/internal/backup/stable_start_test.go
+++ b/controller/internal/backup/stable_start_test.go
@@ -1,8 +1,12 @@
 package backup
 
 import (
+	"errors"
 	"io"
 	"log"
+	"os"
+	"path/filepath"
+	"strings"
 	"sync"
 	"testing"
 	"time"
@@ -62,15 +66,23 @@ func TestFixA_AFlappingAppKeepsTheCopy(t *testing.T) {
 	m, rig, alarms := fixARig(t,
 		func(n int) bool { return n%3 != 0 },                                           // every third sample: restarting
 		func(n int) []ContainerSample { return []ContainerSample{healthy("c1", n/3)} }) // and the count grows
-	if _, err := m.RestoreFromRecoveryUnit("app"); err != nil {
-		t.Fatalf("the restore itself passes its 90 s health wait (a running sample): %v", err)
+	lateStartWatch = 400 * time.Millisecond
+	defer func() { lateStartWatch = 30 * time.Minute }()
+	m.BeginRestoreOp("restore", "app")
+	_, err := m.RestoreFromRecoveryUnit("app")
+	if !errors.Is(err, ErrRestoreNotStarted) {
+		t.Fatalf("a running → restarting → running app is „not started yet\" on the page too, got %v", err)
 	}
+	m.EndRestoreOpNotStarted(err.Error())
 	time.Sleep(600 * time.Millisecond)
 	if left := undoCopies(t, rig.undoRoot); len(left) != 1 {
 		t.Fatalf("a flapping app must keep its way back, found %v", left)
 	}
 	if len(*alarms) != 1 {
-		t.Fatalf("the operator hears once that the start was not stable, got %v", *alarms)
+		t.Fatalf("the operator hears once, got %v", *alarms)
+	}
+	if st := m.RestoreStatus(); st.Last.OK {
+		t.Fatal("the late-start watch must never turn a flapping app into a success")
 	}
 }
 
@@ -101,8 +113,8 @@ func TestFixA_AHealthcheckStillStartingKeepsTheCopy(t *testing.T) {
 	withStable(t, 30*time.Millisecond, 300*time.Millisecond)
 	m, rig, _ := fixARig(t, func(int) bool { return true },
 		func(int) []ContainerSample { return []ContainerSample{{ID: "c1", Running: true, Health: "starting"}} })
-	if _, err := m.RestoreFromRecoveryUnit("app"); err != nil {
-		t.Fatal(err)
+	if _, err := m.RestoreFromRecoveryUnit("app"); !errors.Is(err, ErrRestoreNotStarted) {
+		t.Fatalf("a healthcheck still starting is not started, got %v", err)
 	}
 	time.Sleep(500 * time.Millisecond)
 	if left := undoCopies(t, rig.undoRoot); len(left) != 1 {
@@ -145,3 +157,17 @@ func TestFixA_TheLateStartWatcherNeedsAStableStart(t *testing.T) {
 		t.Fatal("a flapping app must never turn the record into a success")
 	}
 }
+
+// ShortenRestoreTimingForTests must never reach production: only test files may call it.
+func TestFixA_TheTestTimingSwitchIsNeverCalledByProduction(t *testing.T) {
+	root := filepath.Join("..", "..")
+	_ = filepath.Walk(root, func(p string, fi os.FileInfo, err error) error {
+		if err != nil || fi.IsDir() || !strings.HasSuffix(p, ".go") || strings.HasSuffix(p, "_test.go") || strings.HasSuffix(p, "restore_verdict.go") {
+			return nil
+		}
+		if b, _ := os.ReadFile(p); strings.Contains(string(b), "ShortenRestoreTimingForTests") {
+			t.Errorf("%s calls the test-only timing switch", p)
+		}
+		return nil
+	})
+}
diff --git a/controller/internal/backup/tier2_restore.go b/controller/internal/backup/tier2_restore.go
index 55ec4821..1416c2f4 100644
--- a/controller/internal/backup/tier2_restore.go
+++ b/controller/internal/backup/tier2_restore.go
@@ -450,7 +450,7 @@ func (m *Manager) RestoreTier2Files(stackName string) (filesRestored int, err er
 	if startErr != nil {
 		m.logger.Printf("[ERROR] [backup] failed to restart %s after Tier-2 file restore: %v", stackName, startErr)
 	}
-	healthErr := m.waitForHealthy(stackName, healthTimeout)
+	healthErr := m.restoredAppStarted(stackName)
 
 	if copyErr != nil {
 		return filesRestored, util.MsgError("err.backup.fajlmasolas_sikertelen", copyErr)
diff --git a/controller/internal/web/r650_main_test.go b/controller/internal/web/r650_main_test.go
index 7c1b7d39..c1d20679 100644
--- a/controller/internal/web/r650_main_test.go
+++ b/controller/internal/web/r650_main_test.go
@@ -4,9 +4,13 @@ import (
 	"os"
 	"testing"
 
+	"gitea.dooplex.hu/admin/felhom-controller/internal/backup"
 	"gitea.dooplex.hu/admin/felhom-controller/internal/dockerexec"
 )
 
 // TestMain puts a silent docker stub on PATH for every test in this package: R-650, the fixtures
 // here build a real stacks.Manager, and on the build host (DooPlex) that reached production Docker.
-func TestMain(m *testing.M) { os.Exit(dockerexec.RunWithStub(m)) }
+func TestMain(m *testing.M) {
+	backup.ShortenRestoreTimingForTests() // fix A's stable windows in milliseconds here too
+	os.Exit(dockerexec.RunWithStub(m))
+}