diff --git a/modules/mesh-delivery-checker/cmd/mesh-delivery-checker-tools/main.go b/modules/mesh-delivery-checker/cmd/mesh-delivery-checker-tools/main.go
index a6a6936..54ac89d 100644
--- a/modules/mesh-delivery-checker/cmd/mesh-delivery-checker-tools/main.go
+++ b/modules/mesh-delivery-checker/cmd/mesh-delivery-checker-tools/main.go
@@ -1,6 +1,6 @@
 // Command mesh-delivery-checker-tools serves the checker's read tools (novox/hq ADR 0484 clause 13, issue 1686): the runtime
 // launches it for a call, it reads the checker's verdicts and kept states and the indexer's candidates through the checker's
-// state and reads, and writes nothing. The checker is the other program: it serves no tool (ADR 0437 §4).
+// state and reads. It writes only the tries (the try's tools) and, asking a check again by hand, one verdict. The checker is the other program: it serves no tool (ADR 0437 §4).
 package main
 
 import (
@@ -235,6 +235,24 @@ func Tools(r check.Reader) []stdio.Tool {
 	}
 }
 
+// RecoveryTools are the tools that steer a check by hand (tools-are-how-a-module-is-spoken-to): ask a check again whose
+// wait judged nothing (the lost check of 2026-10-28). They write the checker's verdicts through w.
+func RecoveryTools(r check.Reader, w check.VerdictEntry) []stdio.Tool {
+	str := func(args map[string]any, k string) string { s, _ := args[k].(string); return s }
+	return []stdio.Tool{{Name: check.AskAgainTool,
+		Description: "Ask a candidate's check again by hand, whose verdict stays running while nothing runs for it (" + check.StatusReadTool + " names it " +
+			"under lost): its verdict is ended as asked again, saying why, and the checker, which hears its verdicts, stops the wait that judged nothing " +
+			"and asks the check anew, whole. Refused for a group with no candidate, a verdict that is not running (a pass or failure stands until a push or " +
+			"a trunk move), and while a step of its pull requests can still run on a build module (its end judges it). The checker reads a step that " +
+			"ended while its watch was deaf by itself at the next step end of its build module; this is for what that does not reach.",
+		Input: map[string]any{"type": "object", "required": []string{"group", "why"}, "properties": map[string]any{
+			"group": map[string]any{"type": "string", "description": "the delivery group's branch name"},
+			"why":   map[string]any{"type": "string", "description": "why it is asked again, in words; kept in the verdict it ends"}}},
+		Run: func(args map[string]any) (any, error) {
+			return r.AskAgain(w, str(args, "group"), str(args, "why"))
+		}}}
+}
+
 // stepBound is the checker's step bound as the checker reads it (MESH_CHECKER_STEP_BOUND), its default when unset or not a
 // duration.
 func stepBound() time.Duration {
@@ -277,7 +295,20 @@ func main() {
 		return err
 	}}
 	trying := Trying{Tries: store, Ender: store, Trunks: trunks}
-	if err := stdio.Serve("", logged(append(Tools(r), TryTools(trying)...))); err != nil {
+	verdicts := stdio.State("verdicts")
+	written := stateStore{entry: func(key string) (json.RawMessage, uint64, error) {
+		reads.Add(1)
+		e, err := verdicts.Get(key)
+		if err != nil || e == nil {
+			return nil, 0, err
+		}
+		return e.Value, e.Revision, nil
+	}, update: func(key string, value []byte, revision uint64) error {
+		_, err := verdicts.Update(key, json.RawMessage(value), revision)
+		return err
+	}}
+	tools := append(append(Tools(r), TryTools(trying)...), RecoveryTools(r, written)...)
+	if err := stdio.Serve("", logged(tools)); err != nil {
 		fmt.Fprintf(os.Stderr, "[mesh-delivery-checker-tools] %v\n", err)
 		os.Exit(1)
 	}
diff --git a/modules/mesh-delivery-checker/cmd/mesh-delivery-checker-tools/main_test.go b/modules/mesh-delivery-checker/cmd/mesh-delivery-checker-tools/main_test.go
index 9f250df..282db23 100644
--- a/modules/mesh-delivery-checker/cmd/mesh-delivery-checker-tools/main_test.go
+++ b/modules/mesh-delivery-checker/cmd/mesh-delivery-checker-tools/main_test.go
@@ -23,6 +23,14 @@ func TestTheToolsServedAreTheFiveReadTools(t *testing.T) {
 	if !slices.Equal(names, want) {
 		t.Errorf("tools = %v, want %v", names, want)
 	}
+	// The recovery tool beside them asks a lost check again; with nothing to write it refuses.
+	recovery := RecoveryTools(check.Reader{}, nil)
+	if len(recovery) != 1 || recovery[0].Name != check.AskAgainTool || recovery[0].Description == "" {
+		t.Errorf("recovery tools = %+v", recovery)
+	}
+	if _, err := recovery[0].Run(map[string]any{"group": "feat/x", "why": "lost"}); err == nil {
+		t.Errorf("%s answered with no state to write", check.AskAgainTool)
+	}
 	// With nothing to read from a tool says so and changes nothing.
 	for _, tl := range Tools(check.Reader{}) {
 		if tl.Name == check.StatusReadTool {
diff --git a/modules/mesh-delivery-checker/cmd/mesh-delivery-checker/main.go b/modules/mesh-delivery-checker/cmd/mesh-delivery-checker/main.go
index 52530d5..1563dcb 100644
--- a/modules/mesh-delivery-checker/cmd/mesh-delivery-checker/main.go
+++ b/modules/mesh-delivery-checker/cmd/mesh-delivery-checker/main.go
@@ -144,8 +144,12 @@ func run(ctx context.Context, getenv func(string) string, logOut io.Writer) erro
 	hearing := buildrun.NewDeadLetterHearing(ctx, buildrun.JetStreamDeadLetters{JS: js}, []string{delivery.AskGo, delivery.AskNode}, dead,
 		logger.Printf, buildrun.SayHearing(ctx, hearingKV, logger.Printf))
 	defer hearing.Stop()
-	conn.SetReconnectHandler(func(*nats.Conn) { hearing.Again() })
-	waiter := buildrun.LostAskWaiter{Inner: asks, Dead: dead, Hearing: hearing}
+	// Each ask's step is heard by its own watch and, at every step end of its build module and every reconnect, read
+	// (check.HeardEnds): a watch that goes deaf loses no end (the lost check of 2026-10-28).
+	heard := &check.HeardEnds{Inner: asks, Read: askSteps{js: js}, Logf: logger.Printf}
+	hearStepEnds(ctx, js, []string{buildrun.GoBuildModule, buildrun.NodeBuildModule}, heard, logger.Printf)
+	conn.SetReconnectHandler(func(*nats.Conn) { hearing.Again(); heard.Nudge("") })
+	waiter := buildrun.LostAskWaiter{Inner: heard, Dead: dead, Hearing: hearing}
 	ch := &check.Checker{
 		Verdicts: kvStore{buckets[delivery.CheckerVerdictsBucket]},
 		Owed:     kvStore{buckets[delivery.CheckerOwedBucket]},
@@ -331,6 +335,18 @@ func run(ctx context.Context, getenv func(string) string, logOut io.Writer) erro
 			}
 		})
 	}()
+	// The checker's own verdicts, updates only: one checker_ask_again wrote asks its check again (Checker.VerdictWritten).
+	vw, err := buckets[delivery.CheckerVerdictsBucket].WatchAll(ctx, jetstream.UpdatesOnly())
+	if err != nil {
+		return fmt.Errorf("the checker's verdicts cannot be watched, so no check can be asked again by hand: %w", err)
+	}
+	go func() {
+		errs <- follow(ctx, vw, func(e jetstream.KeyValueEntry) {
+			if opOf(e) {
+				ch.VerdictWritten(ctx, e.Key(), e.Value())
+			}
+		})
+	}()
 	logger.Printf("started on %s", cred.Node)
 	go func() { errs <- follow(ctx, w, each) }()
 	select {
diff --git a/modules/mesh-delivery-checker/cmd/mesh-delivery-checker/stepends.go b/modules/mesh-delivery-checker/cmd/mesh-delivery-checker/stepends.go
new file mode 100644
index 0000000..0193082
--- /dev/null
+++ b/modules/mesh-delivery-checker/cmd/mesh-delivery-checker/stepends.go
@@ -0,0 +1,83 @@
+package main
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/nats-io/nats.go/jetstream"
+
+	"git.novox.be/novox/mesh-sdk/go/delivery"
+	"git.novox.be/novox/mesh-sdk/go/process"
+
+	"mesh-delivery-checker/internal/check"
+)
+
+// askSteps reads an ask's step keys now, from its build module's steps state (check.StepReader): a read, not a watch.
+type askSteps struct{ js jetstream.JetStream }
+
+func (a askSteps) AskSteps(ctx context.Context, module, askID string) ([]delivery.Step, error) {
+	pattern, err := delivery.AskStepWatch(askID)
+	if err != nil {
+		return nil, err
+	}
+	kv, err := a.js.KeyValue(ctx, delivery.StepsBucket(module))
+	if err != nil {
+		return nil, fmt.Errorf("the bucket %s: %w", delivery.StepsBucket(module), err)
+	}
+	lister, err := kv.ListKeysFiltered(ctx, pattern)
+	if err != nil {
+		return nil, err
+	}
+	var out []delivery.Step
+	for key := range lister.Keys() {
+		e, err := kv.Get(ctx, key)
+		if err != nil {
+			continue // deleted between the list and the read
+		}
+		if step, err := delivery.DecodeStep(e.Value()); err == nil {
+			out = append(out, step)
+		}
+	}
+	return out, nil
+}
+
+// hearStepEnds nudges every ask of a build module the checker waits on each time a step of that module ends (any key of
+// its steps state written not running): an ask whose own watch went deaf reads its end then (check.HeardEnds). One watch
+// per build module, updates only; one that closes is opened again while it delivered something since it was opened, and
+// said and left otherwise. No timer.
+func hearStepEnds(ctx context.Context, js process.BucketOpener, modules []string, heard *check.HeardEnds, logf func(string, ...any)) {
+	for _, module := range modules {
+		kv := process.OptionalBucket(ctx, js, delivery.StepsBucket(module), "a check whose own watch of its step goes deaf is read only at a reconnect or by hand", logf)
+		if kv == nil {
+			continue
+		}
+		go func() {
+			for ctx.Err() == nil {
+				w, err := kv.WatchAll(ctx, jetstream.UpdatesOnly())
+				if err != nil {
+					logf("the steps of %s cannot be watched, so a check whose own watch goes deaf is read only at a reconnect or by hand: %v", module, err)
+					return
+				}
+				heardAny := false
+				for e := range w.Updates() {
+					if e == nil || e.Operation() != jetstream.KeyValuePut {
+						continue
+					}
+					heardAny = true
+					if step, err := delivery.DecodeStep(e.Value()); err == nil && step.State != delivery.StepRunning {
+						heard.Nudge(module)
+					}
+				}
+				_ = w.Stop()
+				if ctx.Err() == nil {
+					heard.Nudge(module) // a step may have ended while the watch was closing
+					if !heardAny {
+						logf("the watch of the steps of %s closed having heard nothing, so it is left: a check whose own watch goes deaf is read only at a reconnect or by hand", module)
+						return
+					}
+					logf("the watch of the steps of %s closed; opened again", module)
+				}
+			}
+		}()
+	}
+}
diff --git a/modules/mesh-delivery-checker/internal/check/askagain.go b/modules/mesh-delivery-checker/internal/check/askagain.go
new file mode 100644
index 0000000..3a4df17
--- /dev/null
+++ b/modules/mesh-delivery-checker/internal/check/askagain.go
@@ -0,0 +1,132 @@
+package check
+
+import (
+	"context"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"strings"
+
+	"git.novox.be/novox/mesh-sdk/go/delivery"
+)
+
+// **A check is asked again by hand** (the lost check of 2026-10-28; tools-are-how-a-module-is-spoken-to: every recovery
+// has a tool). checker_ask_again ends a candidate's running verdict, whose wait judged nothing, with AskedAgainWords and
+// the why; the checker hears it on its watch of its verdicts (Checker.VerdictWritten), ends the check of those heads
+// running in it, and claims and asks it anew, a whole check (IsEnded). It is refused while a step of the candidate's pull
+// requests can still run (checker_status's running_steps): that step's end judges it.
+
+// AskAgainTool asks a candidate's check again by hand.
+const AskAgainTool = "checker_ask_again"
+
+// AskedAgainWords open the words of a verdict AskAgainTool wrote; the why follows.
+const AskedAgainWords = EndedWords + "asked again by hand (" + AskAgainTool + "): "
+
+// errAskedAgain is the cause a running check is ended with when its verdict was asked again by hand.
+var errAskedAgain = errors.New("its verdict was asked again by hand (" + AskAgainTool + ")")
+
+// IsAskedAgain says whether a verdict was written by AskAgainTool.
+func IsAskedAgain(v delivery.Verdict) bool {
+	return IsEnded(v) && strings.HasPrefix(v.Failed.Words, AskedAgainWords)
+}
+
+// VerdictEntry is the verdicts state as the ask-again tool writes it: a key's value and revision (nil and 0 for none),
+// and a compare-and-set.
+type VerdictEntry interface {
+	Entry(key string) (json.RawMessage, uint64, error)
+	Update(key string, value []byte, revision uint64) error
+}
+
+// AskedAgain is the answer of AskAgainTool.
+type AskedAgain struct {
+	Key  string `json:"key"`
+	Was  string `json:"was"`
+	Said string `json:"said"`
+	Note string `json:"note"`
+}
+
+// AskAgain ends the running verdict of the group's candidate as asked again by hand, saying why. It refuses a group with
+// no candidate, a verdict that is not running (a pass or a failure stands until a push or a trunk move), and one a step
+// of whose pull requests can still run.
+func (r Reader) AskAgain(w VerdictEntry, group, why string) (AskedAgain, error) {
+	why = strings.TrimSpace(why)
+	if group == "" || why == "" {
+		return AskedAgain{}, fmt.Errorf("give the group and why it is asked again")
+	}
+	if w == nil {
+		return AskedAgain{}, fmt.Errorf("the verdicts state cannot be written here")
+	}
+	c, ok := r.candidate(group)
+	if !ok {
+		return AskedAgain{}, fmt.Errorf("no candidate is held for the group %q", group)
+	}
+	key, err := delivery.CheckerVerdictKey(c.Group, c.HeadsHash)
+	if err != nil {
+		return AskedAgain{}, err
+	}
+	raw, rev, err := w.Entry(key)
+	if err != nil {
+		return AskedAgain{}, fmt.Errorf("%s cannot be read: %w", key, err)
+	}
+	if len(raw) == 0 {
+		return AskedAgain{}, fmt.Errorf("%s holds no verdict: the checker claims its check when it looks at the candidate (%s)", key, StatusReadTool)
+	}
+	v, err := delivery.DecodeVerdict(raw)
+	if err != nil {
+		return AskedAgain{}, fmt.Errorf("%s holds what is not a verdict: %w", key, err)
+	}
+	if v.State != delivery.VerdictRunning {
+		return AskedAgain{}, fmt.Errorf("%s is %s, not running: a verdict stands until a push or a trunk move asks it again", key, v.State)
+	}
+	for _, rs := range r.readSteps().running {
+		if asksOf(c, rs.What) {
+			return AskedAgain{}, fmt.Errorf("a step of it runs: %s %s on %s since %s (%s); its end judges it", rs.Module, rs.ID, rs.Node, rs.Since, rs.What)
+		}
+	}
+	words := AskedAgainWords + why
+	ended := delivery.Verdict{Group: v.Group, Heads: v.Heads, Trunk: v.Trunk, State: delivery.VerdictFail,
+		Failed: delivery.FailedFirst{Machine: "checker", Words: words}}
+	data, err := delivery.EncodeVerdict(ended)
+	if err != nil {
+		return AskedAgain{}, err
+	}
+	if err := w.Update(key, data, rev); err != nil {
+		return AskedAgain{}, fmt.Errorf("%s changed while it was asked again, so it was not; read it again: %w", key, err)
+	}
+	return AskedAgain{Key: key, Was: v.State, Said: words,
+		Note: "the checker hears it on its watch of its verdicts, ends the wait that judged nothing and asks the check anew, whole; " +
+			VerdictsReadTool + " shows it running again"}, nil
+}
+
+// VerdictWritten takes a change of the checker's verdicts in (its watch, updates only): a verdict AskAgainTool wrote ends
+// the check of those heads running in this process, which then considers them again; with none running, the candidate
+// that holds them is considered at once. Any other verdict is the checker's own, and left.
+func (ch *Checker) VerdictWritten(ctx context.Context, key string, value []byte) {
+	v, err := delivery.DecodeVerdict(value)
+	if err != nil || !IsAskedAgain(v) {
+		return
+	}
+	ch.init()
+	ch.mu.Lock()
+	if l, ok := ch.live[key]; ok {
+		l.end(errAskedAgain)
+		ch.mu.Unlock()
+		ch.logf("%s: %s; the check running for it is ended and asked again", key, v.Failed.Words)
+		return
+	}
+	var group string
+	var cand delivery.Candidate
+	for k, c := range ch.known {
+		if vk, err := delivery.CheckerVerdictKey(c.Group, c.HeadsHash); err == nil && vk == key {
+			group, cand = k, c
+			break
+		}
+	}
+	ch.mu.Unlock()
+	if group == "" {
+		ch.logf("%s: %s, but no candidate holds these heads, so nothing is asked", key, v.Failed.Words)
+		return
+	}
+	ch.logf("%s: %s; asked again", key, v.Failed.Words)
+	ch.consider(ctx, group, cand)
+}
diff --git a/modules/mesh-delivery-checker/internal/check/checker.go b/modules/mesh-delivery-checker/internal/check/checker.go
index 3e5b1da..aa9a8c7 100644
--- a/modules/mesh-delivery-checker/internal/check/checker.go
+++ b/modules/mesh-delivery-checker/internal/check/checker.go
@@ -328,7 +328,11 @@ func (ch *Checker) consider(ctx context.Context, key string, c delivery.Candidat
 			delete(ch.again, vkey)
 			delete(ch.live, vkey)
 			ch.mu.Unlock()
+			again := errors.Is(context.Cause(run), errAskedAgain)
 			end(nil)
+			if again && ctx.Err() == nil {
+				ch.consider(ctx, key, ch.candidate(key, c)) // asked again by hand (AskAgainTool): claimed anew
+			}
 		}()
 		for {
 			// Every check is asked at once: the build seats' streams hold the backlog, a new head's check and a check after a
@@ -713,8 +717,10 @@ func (ch *Checker) try(ctx, run context.Context, key string, cs *Case) {
 	began := ch.now()
 	ch.writeOwed(ctx, cs, delivery.Verdict{State: delivery.VerdictRunning}, Outcome{})
 	out := ch.judge(run, cs)
-	// An ask the build seat gave up on judged nothing (issue 734): the check is asked again under the same claim, its status
-	// pending, and after LostAskTries it fails as not heard, judged again when the nodes change.
+	// An ask the build seat gave up on, or whose step the build module's next process ended because it was replaced under
+	// it, judged nothing (issue 734, IsLostAsk): the check is asked again under the same claim, its status pending, and after
+	// LostAskTries it fails as not heard, judged again when the nodes change. A step that ended while its watch was deaf is
+	// read at the next nudge (HeardEnds) and judged.
 	for try := 1; IsLostAsk(out.Verdict) && run.Err() == nil; try++ {
 		if try >= LostAskTries {
 			out.Verdict.Failed.Words = strings.TrimSpace(out.Verdict.Failed.Words + "\nasked " + fmt.Sprint(LostAskTries) +
@@ -724,8 +730,8 @@ func (ch *Checker) try(ctx, run context.Context, key string, cs *Case) {
 		ch.logf("%s: %s; asked again (%d of %d)", cs.Key, out.Verdict.Failed.Words, try+1, LostAskTries)
 		out = ch.judge(run, cs)
 	}
-	if ctx.Err() != nil {
-		return
+	if ctx.Err() != nil || errors.Is(context.Cause(run), errAskedAgain) {
+		return // the checker stops, or the verdict was asked again by hand, which wrote it: its next check claims it anew
 	}
 	var why superseded
 	if errors.As(context.Cause(run), &why) {
diff --git a/modules/mesh-delivery-checker/internal/check/heardends.go b/modules/mesh-delivery-checker/internal/check/heardends.go
new file mode 100644
index 0000000..d122600
--- /dev/null
+++ b/modules/mesh-delivery-checker/internal/check/heardends.go
@@ -0,0 +1,144 @@
+package check
+
+import (
+	"context"
+	"sync"
+
+	"git.novox.be/novox/mesh-sdk/go/delivery"
+	"git.novox.be/novox/mesh-sdk/go/delivery/buildrun"
+)
+
+// **A step's end is never only its own watch's to hear** (the lost check of 2026-10-28: mesh-catalog #553's verdict
+// stayed running after its step mvsgthyjed5786 had passed on shanks at 19:09:31Z; the watch of that one key, opened at
+// 18:46:05Z, heard neither the step's start nor its end and never closed, while a watch opened at 18:58:48Z heard its own
+// step end). HeardEnds stands between the asker (buildrun.Asker) and the watch of each ask's step key: when it is
+// nudged, every ask it waits on reads its step keys now (a read, not the watch) and hands what it reads to its wait, so a
+// step that ended is judged even when its own watch went deaf. A watch that closes under a wait is opened again, at most
+// reopenTries times. It is nudged on an event (Nudge): any step of the same build module ending (the checker's one watch of
+// each steps state), a reconnect to the bus, and the hand (checker_ask_again's verdict). It holds no timer.
+
+// StepReader reads, now, every step a build module's steps state holds for an ask: its keys `*.<ask id>`.
+type StepReader interface {
+	AskSteps(ctx context.Context, module, askID string) ([]delivery.Step, error)
+}
+
+// reopenTries is how often a wait opens its ask's watch again after it closed, before the wait ends failed.
+const reopenTries = 3
+
+// HeardEnds is an AskWaiter over Inner that also reads an ask's steps when nudged. Safe for concurrent use.
+type HeardEnds struct {
+	Inner buildrun.AskWaiter
+	Read  StepReader
+	Logf  func(format string, args ...any)
+
+	mu      sync.Mutex
+	waiting map[string]*waitedAsk // by ask id
+}
+
+type waitedAsk struct {
+	module string
+	nudge  chan struct{}
+}
+
+func (h *HeardEnds) logf(format string, args ...any) {
+	if h.Logf != nil {
+		h.Logf(format, args...)
+	}
+}
+
+// WatchAsk is AskWaiter's: what Inner's watch hands, and, at each nudge, what the ask's keys hold now.
+func (h *HeardEnds) WatchAsk(ctx context.Context, module, askID string) (<-chan delivery.Step, error) {
+	in, err := h.Inner.WatchAsk(ctx, module, askID)
+	if err != nil {
+		return nil, err
+	}
+	w := &waitedAsk{module: module, nudge: make(chan struct{}, 1)}
+	h.mu.Lock()
+	if h.waiting == nil {
+		h.waiting = map[string]*waitedAsk{}
+	}
+	h.waiting[askID] = w
+	h.mu.Unlock()
+	out := make(chan delivery.Step)
+	go func() {
+		defer close(out)
+		defer func() {
+			h.mu.Lock()
+			if h.waiting[askID] == w {
+				delete(h.waiting, askID)
+			}
+			h.mu.Unlock()
+		}()
+		send := func(s delivery.Step) bool {
+			select {
+			case out <- s:
+				return true
+			case <-ctx.Done():
+				return false
+			}
+		}
+		reopened := 0
+		for {
+			select {
+			case <-ctx.Done():
+				return
+			case s, ok := <-in:
+				if !ok {
+					if ctx.Err() != nil || reopened >= reopenTries {
+						h.logf("the watch of the ask %s's step on %s closed %d times; its wait ends", askID, module, reopened+1)
+						return
+					}
+					reopened++
+					if in, err = h.Inner.WatchAsk(ctx, module, askID); err != nil {
+						h.logf("the watch of the ask %s's step on %s closed and cannot be opened again, so its wait ends: %v", askID, module, err)
+						return
+					}
+					h.logf("the watch of the ask %s's step on %s closed; opened again (%d of %d)", askID, module, reopened, reopenTries)
+					continue
+				}
+				if !send(s) {
+					return
+				}
+			case <-w.nudge:
+				if h.Read == nil {
+					continue
+				}
+				steps, err := h.Read.AskSteps(ctx, module, askID)
+				if err != nil {
+					h.logf("the steps of the ask %s on %s cannot be read: %v", askID, module, err)
+					continue
+				}
+				for _, s := range steps {
+					if s.State != delivery.StepRunning {
+						h.logf("the ask %s's step on %s ended %s, read at a nudge: its watch had not handed it over", askID, s.Node, s.State)
+					}
+					if !send(s) {
+						return
+					}
+				}
+			}
+		}
+	}()
+	return out, nil
+}
+
+// Nudge has every ask waited on of module read its steps now; module "" nudges every ask.
+func (h *HeardEnds) Nudge(module string) {
+	h.mu.Lock()
+	defer h.mu.Unlock()
+	for _, w := range h.waiting {
+		if module == "" || w.module == module {
+			select {
+			case w.nudge <- struct{}{}:
+			default: // a nudge is pending already
+			}
+		}
+	}
+}
+
+// Waiting is how many asks are waited on now.
+func (h *HeardEnds) Waiting() int {
+	h.mu.Lock()
+	defer h.mu.Unlock()
+	return len(h.waiting)
+}
diff --git a/modules/mesh-delivery-checker/internal/check/lostask.go b/modules/mesh-delivery-checker/internal/check/lostask.go
index 4db60c6..8328e46 100644
--- a/modules/mesh-delivery-checker/internal/check/lostask.go
+++ b/modules/mesh-delivery-checker/internal/check/lostask.go
@@ -3,6 +3,7 @@ package check
 import (
 	"strings"
 
+	"git.novox.be/novox/mesh-sdk/go/buildstep"
 	"git.novox.be/novox/mesh-sdk/go/delivery"
 	"git.novox.be/novox/mesh-sdk/go/delivery/buildrun"
 )
@@ -19,9 +20,13 @@ import (
 // judged again when the nodes change.
 const LostAskTries = 3
 
-// IsLostAsk says whether a verdict failed because the build seat gave its ask up (buildrun.LostWords).
+// IsLostAsk says whether a verdict failed because its ask judged nothing: the build seat gave it up (buildrun.LostWords), or
+// the build module that ran its step was replaced under it, and its next process ended the step it left running
+// (buildstep.RestartReason; a delivery of the build module, as on 2026-10-28). Neither is the change's failure: the check
+// is asked again, as for a given-up ask.
 func IsLostAsk(v delivery.Verdict) bool {
-	return v.State == delivery.VerdictFail && strings.Contains(v.Failed.Words, buildrun.LostWords)
+	return v.State == delivery.VerdictFail && (strings.Contains(v.Failed.Words, buildrun.LostWords) ||
+		strings.Contains(v.Failed.Words, buildstep.RestartReason))
 }
 
 // IsNotTaken says whether a verdict failed because no build node took its ask within the bound (buildrun.NotTakenWords).
diff --git a/modules/mesh-delivery-checker/internal/check/lostask_test.go b/modules/mesh-delivery-checker/internal/check/lostask_test.go
index 35ea6a5..bf32de5 100644
--- a/modules/mesh-delivery-checker/internal/check/lostask_test.go
+++ b/modules/mesh-delivery-checker/internal/check/lostask_test.go
@@ -8,6 +8,7 @@ import (
 	"testing"
 	"time"
 
+	"git.novox.be/novox/mesh-sdk/go/buildstep"
 	"git.novox.be/novox/mesh-sdk/go/delivery"
 	"git.novox.be/novox/mesh-sdk/go/delivery/buildrun"
 )
@@ -141,30 +142,195 @@ func TestAnAskGivenUpOrNeverTakenEndsItsTryAsErrorAndItsHeadIsAskedAnew(t *testi
 	})
 }
 
-// Issue 734: a pull request's check whose ask the build seat gave up on is asked again under its claim, its status
-// pending, and judged; one given up every time fails as not heard and is judged again when the nodes change.
-func TestACheckWhoseAskWasGivenUpIsAskedAgain(t *testing.T) {
+// troubled is the build seat as a check meets it when its step's end does not reach its wait: the first `restarts` asks'
+// steps are ended by the build module's next process (buildstep.RestartReason), and the first `deaf` asks' watches hear
+// nothing though their steps end (the lost check of 2026-10-28). Its steps state is read through AskSteps and Steps.
+type troubled struct {
+	*buildrun.FakeAsks
+	answer func(delivery.StepAsk) delivery.Step
+
+	mu             sync.Mutex
+	restarts, deaf int
+	deafIDs        map[string]bool
+	steps          map[string]delivery.Step
+}
+
+func (tr *troubled) PublishAsk(ctx context.Context, subject, id string, data []byte) error {
+	if err := tr.FakeAsks.PublishAsk(ctx, subject, id, data); err != nil {
+		return err
+	}
+	a, err := delivery.DecodeStepAsk(data)
+	if err != nil {
+		return err
+	}
+	step := tr.answer(a)
+	step.What = buildstep.AskWhat(a)
+	tr.mu.Lock()
+	if tr.restarts > 0 {
+		tr.restarts--
+		step.State, step.Reason, step.Result = delivery.StepFailed, buildstep.RestartReason, nil
+	}
+	deaf := tr.deaf > 0
+	if deaf {
+		tr.deaf--
+		tr.deafIDs[id] = true
+	}
+	tr.steps[id] = step
+	tr.mu.Unlock()
+	if !deaf {
+		tr.Write(step)
+	}
+	return nil
+}
+
+func (tr *troubled) WatchAsk(ctx context.Context, module, askID string) (<-chan delivery.Step, error) {
+	tr.mu.Lock()
+	deaf := tr.deafIDs[askID]
+	tr.mu.Unlock()
+	if deaf {
+		return make(chan delivery.Step), nil // open, and silent for good
+	}
+	return tr.FakeAsks.WatchAsk(ctx, module, askID)
+}
+
+func (tr *troubled) AskSteps(_ context.Context, _, askID string) ([]delivery.Step, error) {
+	tr.mu.Lock()
+	defer tr.mu.Unlock()
+	if s, ok := tr.steps[askID]; ok {
+		return []delivery.Step{s}, nil
+	}
+	return nil, nil
+}
+
+// Steps is the steps state as the read tools read it, with running in place of every step the hand has not let end.
+func (tr *troubled) Steps(running bool) StateRead {
+	tr.mu.Lock()
+	defer tr.mu.Unlock()
+	vals := map[string]json.RawMessage{}
+	for id, s := range tr.steps {
+		if running {
+			s.State, s.Ended, s.Started = delivery.StepRunning, time.Time{}, time.Now()
+		}
+		raw, _ := delivery.EncodeStep(s)
+		vals[s.Node+"."+id] = raw
+	}
+	return StateRead{Keys: func() ([]string, error) {
+		var out []string
+		for k := range vals {
+			out = append(out, k)
+		}
+		return out, nil
+	}, Get: func(k string) (json.RawMessage, error) { return vals[k], nil }}
+}
+
+// kvRead is a bucket in memory as the read tools read it, live.
+func kvRead(kv *memKV) StateRead {
+	return StateRead{Keys: func() ([]string, error) { return kv.Keys(context.Background()) },
+		Get: func(k string) (json.RawMessage, error) {
+			v, _, _, err := kv.Get(context.Background(), k)
+			return v, err
+		}}
+}
+
+// asVerdicts is the rig's verdicts as the ask-again tool reads and writes them.
+type asVerdicts struct{ kv *memKV }
+
+func (a asVerdicts) Entry(key string) (json.RawMessage, uint64, error) {
+	v, rev, _, err := a.kv.Get(context.Background(), key)
+	return v, rev, err
+}
+func (a asVerdicts) Update(key string, value []byte, revision uint64) error {
+	_, err := a.kv.Update(context.Background(), key, value, revision)
+	return err
+}
+
+// Issue 734 and the lost check of 2026-10-28: a check whose ask judged nothing is asked again, and one whose step ended
+// unheard is judged. Given up by the build seat once, or its step ended by the build module's next process after a
+// delivery replaced it, the check is asked again under its claim and passes; given up every time it fails loudly as not
+// heard, judged again when the nodes change. A step whose watch went deaf is read at the next step end of its build module
+// (a nudge) and judged with no new ask; one no event reaches is named lost by checker_status, refused by checker_ask_again
+// while its step still runs, and asked again by it once its step ended.
+func TestACheckWhoseAskJudgedNothingIsAskedAgainOrRead(t *testing.T) {
 	ctx := context.Background()
 	for _, row := range []struct {
-		lose  int
-		state string
-		asks  int
+		name                 string
+		lose, restarts, deaf int
+		how                  string // "nudge": a step of the build module ends; "hand": checker_ask_again
+		state                string
+		asks                 int
 	}{
-		{1, delivery.VerdictPass, 2},
-		{LostAskTries, delivery.VerdictFail, LostAskTries},
+		{name: "given up once", lose: 1, state: delivery.VerdictPass, asks: 2},
+		{name: "given up every time", lose: LostAskTries, state: delivery.VerdictFail, asks: LostAskTries},
+		{name: "its build module replaced under it", restarts: 1, state: delivery.VerdictPass, asks: 2},
+		{name: "replaced under every ask", restarts: LostAskTries, state: delivery.VerdictFail, asks: LostAskTries},
+		{name: "its watch deaf, a step of its build module ends", deaf: 1, how: "nudge", state: delivery.VerdictPass, asks: 1},
+		{name: "its watch deaf, asked again by hand", deaf: 1, how: "hand", state: delivery.VerdictPass, asks: 2},
 	} {
-		b := newBench(t)
-		l := losing(b, row.lose)
-		r := newRig(t, b.ex)
-		cand := candidateOf(t, "feat/x", pullOf(repoA, 7, head1))
-		r.ch.Candidate(ctx, "feat%2Fx", cand)
-		r.ch.Wait()
-		v := r.verdict(t, keyOf(t, "feat/x", cand))
-		if v.State != row.state || len(l.Asks()) != row.asks {
-			t.Errorf("lose %d: verdict %s (%s) after %d asks, want %s after %d", row.lose, v.State, v.Failed.Words, len(l.Asks()), row.state, row.asks)
-		}
-		if row.state == delivery.VerdictFail && (!IsLostAsk(v) || !IsNodesFailure(v)) {
-			t.Errorf("a check given up every time = %q, want lost and judged again when the nodes change", v.Failed.Words)
-		}
+		t.Run(row.name, func(t *testing.T) {
+			b := newBench(t)
+			var asked func() int
+			var heard *HeardEnds
+			var tr *troubled
+			if row.lose > 0 {
+				l := losing(b, row.lose)
+				asked = func() int { return len(l.Asks()) }
+			} else {
+				tr = &troubled{FakeAsks: &buildrun.FakeAsks{}, answer: b.answer, restarts: row.restarts, deaf: row.deaf,
+					deafIDs: map[string]bool{}, steps: map[string]delivery.Step{}}
+				heard = &HeardEnds{Inner: tr, Read: tr}
+				b.ex.Asks = buildrun.Asker{Publisher: tr, Waiter: heard, Bound: 5 * time.Second}
+				asked = func() int { return len(tr.Asks()) }
+			}
+			r := newRig(t, b.ex)
+			cand := candidateOf(t, "feat/x", pullOf(repoA, 7, head1))
+			key := keyOf(t, "feat/x", cand)
+			r.ch.Candidate(ctx, "feat%2Fx", cand)
+			if row.deaf > 0 {
+				for deadline := time.Now().Add(2 * time.Second); heard.Waiting() == 0 && time.Now().Before(deadline); {
+					time.Sleep(2 * time.Millisecond)
+				}
+				if v := r.verdict(t, key); v.State != delivery.VerdictRunning {
+					t.Fatalf("a check whose step ended unheard = %s, want running until it is read", v.State)
+				}
+			}
+			switch row.how {
+			case "nudge":
+				heard.Nudge(buildrun.NodeBuildModule) // another build module's step: not this one's to read
+				heard.Nudge(buildrun.GoBuildModule)
+			case "hand":
+				cands := newMemKV()
+				ckey, _ := delivery.CandidatesKey("feat/x")
+				_, _ = cands.Create(ctx, ckey, cand)
+				rd := Reader{CandidateState: kvRead(cands), VerdictState: kvRead(r.verdicts),
+					StepStates: map[string]StateRead{buildrun.GoBuildModule: tr.Steps(true)}}
+				if _, err := rd.AskAgain(asVerdicts{r.verdicts}, "feat/x", "its watch went deaf"); err == nil || !strings.Contains(err.Error(), "a step of it runs") {
+					t.Errorf("asked again while its step runs: %v", err)
+				}
+				rd.StepStates[buildrun.GoBuildModule] = tr.Steps(false)
+				if st, _ := rd.Status(); !strings.Contains(st.Lost["feat/x"], AskAgainTool) {
+					t.Errorf("status lost = %v, want feat/x named with %s", st.Lost, AskAgainTool)
+				}
+				got, err := rd.AskAgain(asVerdicts{r.verdicts}, "feat/x", "its watch went deaf")
+				if err != nil || got.Key != key || !strings.HasPrefix(got.Said, AskedAgainWords) {
+					t.Fatalf("asked again = %+v, %v", got, err)
+				}
+				raw, _, _, _ := r.verdicts.Get(ctx, key)
+				r.ch.VerdictWritten(ctx, key, raw) // the checker's watch of its verdicts hands it over
+			}
+			r.ch.Wait()
+			v := r.verdict(t, key)
+			if v.State != row.state || asked() != row.asks {
+				t.Errorf("verdict %s (%s) after %d asks, want %s after %d", v.State, v.Failed.Words, asked(), row.state, row.asks)
+			}
+			if row.state == delivery.VerdictFail && (!IsLostAsk(v) || !IsNodesFailure(v)) {
+				t.Errorf("a check that judged nothing every time = %q, want lost and judged again when the nodes change", v.Failed.Words)
+			}
+			if row.how == "hand" {
+				rd := Reader{VerdictState: kvRead(r.verdicts), CandidateState: kvRead(newMemKV())}
+				if _, err := rd.AskAgain(asVerdicts{r.verdicts}, "feat/x", "again"); err == nil {
+					t.Error("a judged check was asked again")
+				}
+			}
+		})
 	}
 }
diff --git a/modules/mesh-delivery-checker/internal/check/read.go b/modules/mesh-delivery-checker/internal/check/read.go
index cbe4581..f5d82e5 100644
--- a/modules/mesh-delivery-checker/internal/check/read.go
+++ b/modules/mesh-delivery-checker/internal/check/read.go
@@ -306,6 +306,8 @@ type RunningStep struct {
 	ID     string `json:"id"`
 	Tool   string `json:"tool"`
 	Since  string `json:"since,omitempty"`
+	// What says what the step is (buildstep.AskWhat): an ask's kind, repository@head and levels.
+	What string `json:"what,omitempty"`
 }
 
 // LeftStep is a key a build module left running that no step behind it runs any more, and why.
@@ -331,6 +333,9 @@ type Status struct {
 	// CannotBeJudged are the candidates no pull request of which can be judged, by group, with why: the gate's source.main
 	// names no trunk head of their repositories (issue 1422). They are judged once it does; until then their status is error.
 	CannotBeJudged map[string]string `json:"cannot_be_judged"`
+	// Lost are the candidates whose verdict is running while no step of theirs can still run and their newest step ended, by
+	// group, with that step: nothing will judge them (the lost check of 2026-10-28); checker_ask_again asks one again.
+	Lost map[string]string `json:"lost"`
 	// DeadLetters says whether the checker hears the asks the build seats give up on (issue 734): deaf, a try or check
 	// whose ask is given up waits until its bound.
 	DeadLetters DeadLettersHeard `json:"dead_letters"`
@@ -394,63 +399,11 @@ func heldBy(t *Turns, c delivery.Candidate, heads map[string]string) string {
 
 // Status reads the build modules' steps and the candidates against their verdicts.
 func (r Reader) Status() (Status, error) {
-	st := Status{RunningByNode: map[string]int{}}
-	mods := make([]string, 0, len(r.StepStates))
-	for m := range r.StepStates {
-		mods = append(mods, m)
-	}
-	sort.Strings(mods)
-	st.Running, st.LeftRunning = []RunningStep{}, []LeftStep{}
-	now, bound := time.Now(), r.StepBound
-	if r.Now != nil {
-		now = r.Now()
-	}
-	if bound <= 0 {
-		bound = DefaultStepBound
-	}
-	for _, m := range mods {
-		sr := r.StepStates[m]
-		if sr.Keys == nil || sr.Get == nil {
-			continue
-		}
-		keys, err := sr.Keys()
-		if err != nil {
-			st.Notes = append(st.Notes, "the steps of "+m+" cannot be listed: "+err.Error())
-			continue
-		}
-		// A step that runs started lately: the newest ids are read first, at most MaxReads of them.
-		newestFirst(keys)
-		keys, cut := capKeys(keys, "")
-		if cut != "" {
-			st.Notes = append(st.Notes, "the steps of "+m+": read the newest "+fmt.Sprint(MaxReads)+" of its keys; a step older than those is not shown")
-		}
-		steps := make([]delivery.Step, len(keys))
-		isRunning := make([]bool, len(keys))
-		_ = parallel(len(keys), func(i int) error {
-			raw, err := sr.Get(keys[i])
-			if err != nil || len(raw) == 0 {
-				return nil
-			}
-			step, err := delivery.DecodeStep(raw)
-			steps[i], isRunning[i] = step, err == nil && step.State == delivery.StepRunning
-			return nil
-		})
-		for i := range keys {
-			if !isRunning[i] {
-				continue
-			}
-			step := steps[i]
-			rs := RunningStep{Module: m, Node: step.Node, ID: step.ID, Tool: step.Tool}
-			if !step.Started.IsZero() {
-				rs.Since = step.Started.UTC().Format("2006-01-02T15:04:05Z")
-			}
-			if why := r.leftWhy(m, step, now, bound); why != "" {
-				st.LeftRunning = append(st.LeftRunning, LeftStep{RunningStep: rs, Why: why})
-				continue
-			}
-			st.Running = append(st.Running, rs)
-			st.RunningByNode[step.Node]++
-		}
+	st := Status{RunningByNode: map[string]int{}, Lost: map[string]string{}}
+	read := r.readSteps()
+	st.Running, st.LeftRunning, st.Notes = read.running, read.left, read.notes
+	for _, rs := range st.Running {
+		st.RunningByNode[rs.Node]++
 	}
 	if r.HaveState.Get == nil {
 		st.Notes = append(st.Notes, "the node-engine's have is not readable here, so a step is not checked against its build module being on its node")
@@ -530,7 +483,11 @@ func (r Reader) Status() (Status, error) {
 			}
 			v, err := delivery.DecodeVerdict(raw)
 			switch {
-			case err != nil || v.State == delivery.VerdictRunning:
+			case err != nil:
+			case v.State == delivery.VerdictRunning:
+				if why := read.lostWhy(c); why != "" {
+					st.Lost[c.Group] = why
+				}
 			case IsNodesFailure(v):
 				st.Waiting[KindNodes] = append(st.Waiting[KindNodes], c.Group)
 			case IsUntrunked(v):
@@ -551,6 +508,118 @@ func (r Reader) Status() (Status, error) {
 	return st, nil
 }
 
+// stepsRead is what the build modules' steps states hold: the steps that can still run, those left running, and every
+// ask step read, by module, for the candidate it belongs to (stepsOf).
+type stepsRead struct {
+	running []RunningStep
+	left    []LeftStep
+	all     []moduleStep
+	notes   []string
+}
+
+type moduleStep struct {
+	module string
+	step   delivery.Step
+}
+
+// readSteps reads the newest MaxReads keys of each build module's steps state.
+func (r Reader) readSteps() stepsRead {
+	out := stepsRead{running: []RunningStep{}, left: []LeftStep{}}
+	mods := make([]string, 0, len(r.StepStates))
+	for m := range r.StepStates {
+		mods = append(mods, m)
+	}
+	sort.Strings(mods)
+	now, bound := time.Now(), r.StepBound
+	if r.Now != nil {
+		now = r.Now()
+	}
+	if bound <= 0 {
+		bound = DefaultStepBound
+	}
+	for _, m := range mods {
+		sr := r.StepStates[m]
+		if sr.Keys == nil || sr.Get == nil {
+			continue
+		}
+		keys, err := sr.Keys()
+		if err != nil {
+			out.notes = append(out.notes, "the steps of "+m+" cannot be listed: "+err.Error())
+			continue
+		}
+		// A step that runs started lately: the newest ids are read first, at most MaxReads of them.
+		newestFirst(keys)
+		keys, cut := capKeys(keys, "")
+		if cut != "" {
+			out.notes = append(out.notes, "the steps of "+m+": read the newest "+fmt.Sprint(MaxReads)+" of its keys; a step older than those is not shown")
+		}
+		steps := make([]delivery.Step, len(keys))
+		decoded := make([]bool, len(keys))
+		_ = parallel(len(keys), func(i int) error {
+			raw, err := sr.Get(keys[i])
+			if err != nil || len(raw) == 0 {
+				return nil
+			}
+			step, err := delivery.DecodeStep(raw)
+			steps[i], decoded[i] = step, err == nil
+			return nil
+		})
+		for i := range keys {
+			if !decoded[i] {
+				continue
+			}
+			step := steps[i]
+			out.all = append(out.all, moduleStep{module: m, step: step})
+			if step.State != delivery.StepRunning {
+				continue
+			}
+			rs := RunningStep{Module: m, Node: step.Node, ID: step.ID, Tool: step.Tool, What: step.What}
+			if !step.Started.IsZero() {
+				rs.Since = step.Started.UTC().Format("2006-01-02T15:04:05Z")
+			}
+			if why := r.leftWhy(m, step, now, bound); why != "" {
+				out.left = append(out.left, LeftStep{RunningStep: rs, Why: why})
+				continue
+			}
+			out.running = append(out.running, rs)
+		}
+	}
+	return out
+}
+
+// asksOf says whether a step is an ask of one of the candidate's pull requests: its What names `<repository>@<head12>`
+// (buildstep.AskWhat).
+func asksOf(c delivery.Candidate, what string) bool {
+	for _, p := range c.Pulls {
+		if p.Repository != "" && strings.Contains(what, p.Repository+"@"+short12(p.Head.Head)) {
+			return true
+		}
+	}
+	return false
+}
+
+// lostWhy says why a candidate whose verdict is running has a check that nothing will judge, or "": no step of its pull
+// requests can still run, and its newest one ended.
+func (s stepsRead) lostWhy(c delivery.Candidate) string {
+	for _, rs := range s.running {
+		if asksOf(c, rs.What) {
+			return ""
+		}
+	}
+	var last *delivery.Step
+	for i := range s.all {
+		st := s.all[i].step
+		if st.State != delivery.StepRunning && asksOf(c, st.What) && (last == nil || st.Ended.After(last.Ended)) {
+			last = &s.all[i].step
+		}
+	}
+	if last == nil {
+		return "" // its ask waits in its build seat's stream: no node took it yet
+	}
+	return fmt.Sprintf("its verdict is running, but no step of it runs: its last step %s on %s ended %s at %s and no verdict followed; %s asks it again",
+		last.ID, last.Node, last.State, last.Ended.UTC().Format(time.RFC3339), AskAgainTool)
+}
+
 // DefaultStepBound is how long one check ask's step may run once a build node took it (its key written running; the fetch,
 // the digests and the levels), never counting its wait in the stream; past it the check fails naming the node.
 const DefaultStepBound = 30 * time.Minute
diff --git a/modules/mesh-delivery-checker/manifest_test.go b/modules/mesh-delivery-checker/manifest_test.go
index 815ce91..a56a841 100644
--- a/modules/mesh-delivery-checker/manifest_test.go
+++ b/modules/mesh-delivery-checker/manifest_test.go
@@ -124,8 +124,9 @@ func TestManifestDeclarations(t *testing.T) { // 1678/AC1
 		t.Errorf("streams = %+v, want %+v", m.Streams, want)
 	}
 	// The read tools (issue 1686) are served by the tools bundle, not by the checker's process.
-	// The try's tools (ADR 0501 §5; the end by hand, issue 734) beside them: mesh-controller's try calls them.
-	if want := []string{"checker_kept", "checker_previews", "checker_pull", "checker_status", "checker_try", "checker_try_end", "checker_try_read", "checker_verdicts"}; !reflect.DeepEqual(sorted(m.Tools), want) {
+	// The try's tools (ADR 0501 §5; the end by hand, issue 734) beside them: mesh-controller's try calls them. A lost check
+	// is asked again by hand (checker_ask_again).
+	if want := []string{"checker_ask_again", "checker_kept", "checker_previews", "checker_pull", "checker_status", "checker_try", "checker_try_end", "checker_try_read", "checker_verdicts"}; !reflect.DeepEqual(sorted(m.Tools), want) {
 		t.Errorf("tools = %v, want %v", m.Tools, want)
 	}
 	for _, k := range []string{"logs", "emits", "claims", "provides", "requires", "defines-seats", "seat", "seats", "bus", "config"} {
diff --git a/modules/mesh-delivery-checker/module.json b/modules/mesh-delivery-checker/module.json
index a968770..c5fe482 100644
--- a/modules/mesh-delivery-checker/module.json
+++ b/modules/mesh-delivery-checker/module.json
@@ -38,6 +38,7 @@
     "node-build-node"
   ],
   "tools": [
+    "checker_ask_again",
     "checker_kept",
     "checker_previews",
     "checker_pull",