diff --git a/internal/cmd/costs.go b/internal/cmd/costs.go
index 958cfa339b..d1b7c8a37e 100644
--- a/internal/cmd/costs.go
+++ b/internal/cmd/costs.go
@@ -640,6 +640,11 @@ func parseSessionName(sess string) (role, rig, worker string) {
 	case session.RoleMayor:
 		return constants.RoleMayor, "", "mayor"
 	case session.RoleDeacon:
+		// Boot is modeled as a deacon dog (Role: deacon, Name: boot).
+		// Attribute its costs separately so token spend is visible per role.
+		if identity.Name == "boot" {
+			return constants.RoleBoot, "", "boot"
+		}
 		return constants.RoleDeacon, "", "deacon"
 	case session.RoleWitness:
 		return constants.RoleWitness, identity.Rig, ""
diff --git a/internal/constants/constants.go b/internal/constants/constants.go
index eb6696bdeb..6d743b92df 100644
--- a/internal/constants/constants.go
+++ b/internal/constants/constants.go
@@ -253,6 +253,9 @@ const (
 
 	// RoleDeacon is the deacon agent role.
 	RoleDeacon = "deacon"
+
+	// RoleBoot is the boot watchdog role (modeled as a deacon dog).
+	RoleBoot = "boot"
 )
 
 // Role emojis - centralized for easy customization.
@@ -275,6 +278,9 @@ const (
 
 	// EmojiPolecat is the polecat emoji (transient worker).
 	EmojiPolecat = "😺"
+
+	// EmojiBoot is the boot watchdog emoji (dog).
+	EmojiBoot = "🐾"
 )
 
 // Molecule formula names for patrol and dog workflows.
@@ -335,6 +341,8 @@ func RoleEmoji(role string) string {
 		return EmojiCrew
 	case RolePolecat:
 		return EmojiPolecat
+	case RoleBoot:
+		return EmojiBoot
 	default:
 		return "❓"
 	}