Open a bundle in the TUI as the threads inside it

go.mod

@@ -8,7 +8,7 @@ require (
 	charm.land/glamour/v2 v2.0.1
 	charm.land/lipgloss/v2 v2.0.6
 	github.com/basecamp/actioncable-go v0.0.0-20260824145920-822e6cf08655
-	github.com/basecamp/hey-sdk/go v0.25.0
+	github.com/basecamp/hey-sdk/go v0.27.0
 	github.com/charmbracelet/x/ansi v0.11.8
 	github.com/fsnotify/fsnotify v1.10.1
 	github.com/gofrs/flock v0.13.0

go.sum

@@ -89,8 +89,8 @@ github.com/aymerick/douceur v0.2.0 h1:Mv+mAeH1Q+n9Fr+oyamOlAkUNPWPlA8PPGR0QAaYuP
 github.com/aymerick/douceur v0.2.0/go.mod h1:wlT5vV2O3h55X9m7iVYN0TBM0NH/MmbLnd30/FjWUq4=
 github.com/basecamp/actioncable-go v0.0.0-20260824145920-822e6cf08655 h1:zz0WUSEmjURj0T+soXuTtgX291nYouqa+UoyYY3Xxk8=
 github.com/basecamp/actioncable-go v0.0.0-20260824145920-822e6cf08655/go.mod h1:ezaV5z1GXQAsqyejqTs6wCFl2D8Wj+COLQkHc/kwoRs=
-github.com/basecamp/hey-sdk/go v0.25.0 h1:d1dHUXzMimExHeGqAp10/BsbK0j9b99m8D0WO3kbVkA=
-github.com/basecamp/hey-sdk/go v0.25.0/go.mod h1:k6sO2XhMkU3UY8lD2ozp0735Ic3q8xoMQt7YUT3TlYk=
+github.com/basecamp/hey-sdk/go v0.27.0 h1:LAX80V/WqV3hz9c3xqXcm6/2f0Qd2n5YxBIJ/qK6fF0=
+github.com/basecamp/hey-sdk/go v0.27.0/go.mod h1:k6sO2XhMkU3UY8lD2ozp0735Ic3q8xoMQt7YUT3TlYk=
 github.com/blang/semver v3.5.1+incompatible h1:cQNTCjp13qL8KC3Nbxr/y2Bqb63oX6wdnnjpJbkM4JQ=
 github.com/blang/semver v3.5.1+incompatible/go.mod h1:kRBLl5iJ+tD4TcOOxsy/0fnwebNt5EWlYSAyrTnjyyk=
 github.com/bmatcuk/doublestar v1.1.1/go.mod h1:UD6OnuiIn0yFxxA2le/rnRU1G4RaI4UvFv1sNto9p6w=

internal/mail/posting.go

@@ -22,13 +22,16 @@ type Posting struct {
 	Summary               string
 	AlternativeSenderName string
 	Seen                  bool
-	BubbledUp             bool
-	Muted                 bool
-	VisibleEntryCount     int32
-	Creator               Contact
-	Extenzions            []Extenzion
-	Folders               []Folder
-	Collections           []Collection
+	// IsBundle marks a row that is a bundle of one contact's unseen threads. It comes
+	// from the posting's kind — HEY's `bundled` flag means filed *inside* a bundle.
+	IsBundle          bool
+	BubbledUp         bool
+	Muted             bool
+	VisibleEntryCount int32
+	Creator           Contact
+	Extenzions        []Extenzion
+	Folders           []Folder
+	Collections       []Collection
 }
 
 // Contact is who a posting came from.
@@ -76,6 +79,7 @@ func NewPosting(posting generated.Posting) Posting {
 		Summary:               terminal.SanitizeLine(posting.Summary),
 		AlternativeSenderName: terminal.SanitizeLine(posting.AlternativeSenderName),
 		Seen:                  posting.Seen,
+		IsBundle:              posting.Kind == "bundle",
 		BubbledUp:             posting.BubbledUp,
 		Muted:                 posting.Muted,
 		VisibleEntryCount:     posting.VisibleEntryCount,

internal/mail/posting_test.go

@@ -19,6 +19,7 @@ func TestNewPostingKeepsWhatARowShows(t *testing.T) {
 		Summary:               "Here is the revised quote for the cabinets",
 		AlternativeSenderName: "Ryan at Fine Woodwork",
 		Seen:                  true,
+		Bundled:               true,
 		BubbledUp:             true,
 		Muted:                 true,
 		VisibleEntryCount:     3,
@@ -34,7 +35,8 @@ func TestNewPostingKeepsWhatARowShows(t *testing.T) {
 	if posting.ID != 4471829 || posting.TopicID != 501 || posting.Name != "Kitchen remodel quote" {
 		t.Errorf("posting = %+v", posting)
 	}
-	if !posting.Seen || !posting.BubbledUp || !posting.Muted || posting.VisibleEntryCount != 3 {
+	// HEY's `bundled` means filed inside a bundle; only kind "bundle" makes a row one.
+	if !posting.Seen || posting.IsBundle || !posting.BubbledUp || !posting.Muted || posting.VisibleEntryCount != 3 {
 		t.Errorf("posting state = %+v", posting)
 	}
 	if posting.Summary != "Here is the revised quote for the cabinets" || posting.AlternativeSenderName != "Ryan at Fine Woodwork" {
@@ -129,12 +131,17 @@ func TestTopicIDOfFallsBackToTheBundleURL(t *testing.T) {
 	}
 
 	for name, test := range tests {
+		test.posting.Kind = "bundle"
 		if got := TopicIDOf(test.posting); got != test.want {
 			t.Errorf("%s: topic ID = %d, want %d", name, got, test.want)
 		}
-		if described := NewPosting(test.posting); described.TopicID != test.want {
+		described := NewPosting(test.posting)
+		if described.TopicID != test.want {
 			t.Errorf("%s: NewPosting topic ID = %d, want %d", name, described.TopicID, test.want)
 		}
+		if !described.IsBundle {
+			t.Errorf("%s: a kind %q posting should be a bundle", name, test.posting.Kind)
+		}
 	}
 }
 

internal/tui/collections_test.go

@@ -183,6 +183,7 @@ func TestMailViewCollectionMembershipFailureKeepsState(t *testing.T) {
 func TestMailViewCollectionMembershipRequiresTopicID(t *testing.T) {
 	v, recorded := mailWithTestServer(t, http.StatusNoContent)
 	v.boxes = append(v.boxes, mail.Source{ID: 12, Kind: mail.KindCollection, Name: "Kitchen remodel"})
+	v.postingList.postings[0].TopicID = 0
 
 	if cmd := v.HandleContentKey(keyPress("n")); cmd != nil {
 		t.Fatal("unresolved posting should not start a mutation")