Show a pulled-in module as running with what pulled it in (issue 1134, AC3 revised)

modules/mesh-delivery-view/internal/view/view.go

@@ -32,7 +32,9 @@ type Row struct {
 	Since    time.Time `json:"since,omitzero"`
 	Detail   string    `json:"detail,omitempty"`
 	Waits    string    `json:"waits,omitempty"`
-	Error    string    `json:"error,omitempty"`
+	// RequiredBy is what pulled the module onto the node, for an assignment that is pulled in.
+	RequiredBy string `json:"required-by,omitempty"`
+	Error      string `json:"error,omitempty"`
 }
 
 // NodeRow is a node's own facts as counts.
@@ -63,19 +65,20 @@ type Model struct {
 
 // assignment holds only the fields of the controller's Assignment the view reads.
 type assignment struct {
-	Node     string    `json:"node"`
-	Module   string    `json:"module"`
-	Build    string    `json:"build"`
-	Commit   string    `json:"commit"`
-	Since    time.Time `json:"since"`
-	Ended    time.Time `json:"ended"`
-	State    string    `json:"state"`
-	PulledIn bool      `json:"pulled-in"`
+	Node       string    `json:"node"`
+	Module     string    `json:"module"`
+	Build      string    `json:"build"`
+	Commit     string    `json:"commit"`
+	Since      time.Time `json:"since"`
+	Ended      time.Time `json:"ended"`
+	State      string    `json:"state"`
+	PulledIn   bool      `json:"pulled-in"`
+	RequiredBy string    `json:"required-by"`
 }
 
 // open says whether the value is an assignment that stands for the module on its node, as the controller's
-// Assignment.Stands does, and is not a module pulled in by another.
-func (a assignment) open() bool { return a.Ended.IsZero() && a.State == "" && !a.PulledIn }
+// Assignment.Stands does. A module pulled in by another stands too.
+func (a assignment) open() bool { return a.Ended.IsZero() && a.State == "" }
 
 // build holds only the fields of the controller's Build record the view reads. A record with no state and no failure
 // is a done build.
@@ -187,6 +190,9 @@ func (m *Model) Snapshot() Snapshot {
 			continue
 		}
 		r := Row{Node: a.Node, Module: a.Module, Status: StatusAssigned, Assigned: a.Build}
+		if a.PulledIn {
+			r.RequiredBy = a.RequiredBy
+		}
 		var waits []string
 		h, has := m.haves[key]
 		switch {

modules/mesh-delivery-view/internal/view/view_test.go

@@ -111,7 +111,7 @@ func TestWaitsForTheNodeAndForANewerBuild(t *testing.T) { // 1134/AC2
 }
 
 func TestLeftBehindIsNotRunning(t *testing.T) { // 1134/AC3
-	for name, extra := range map[string]string{"ended": `,"ended":"2026-10-18T11:30:00Z"`, "state": `,"state":"pending"`, "pulled-in": `,"pulled-in":true`} {
+	for name, extra := range map[string]string{"ended": `,"ended":"2026-10-18T11:30:00Z"`, "state": `,"state":"pending"`} {
 		m := New()
 		fill(m, base(t)...)
 		fill(m, assign("b", "z", "b3", extra))
@@ -133,6 +133,17 @@ func TestLeftBehindIsNotRunning(t *testing.T) { // 1134/AC3
 	}
 }
 
+func TestPulledInIsRunning(t *testing.T) { // 1134/AC3
+	m := New()
+	fill(m, base(t)...)
+	fill(m, assign("b", "z", "b3", `,"pulled-in":true,"required-by":"x"`))
+	s := m.Snapshot()
+	r := find(t, s, "b", "z")
+	if r.Status != StatusAssigned || r.RequiredBy != "x" || r.Have != "b3" || s.Counted() != 4 {
+		t.Fatalf("pulled-in row = %+v counted %d, want shown and counted with required-by x", r, s.Counted())
+	}
+}
+
 func TestUnknownVersionSaysSo(t *testing.T) { // 1134/AC4
 	m := New()
 	fill(m, base(t)...)