Record whether a node is adopted and which modules were taken on it (hq ADR 0100)

internal/token/token.go

@@ -50,6 +50,11 @@ type Token struct {
 
 	// Secret is the one-time right to join. Useless once used, useless after it expires.
 	Secret string `json:"secret"`
+
+	// Adopted says the node joins adopted (novox/hq ADR 0100): the host checks, before enrolling,
+	// that it speaks the firewall found on the machine, because an adopted node keeps that firewall
+	// in force. Absent for a converged node, so a converged token is byte for byte what it was.
+	Adopted bool `json:"adopted,omitempty"`
 }
 
 // Missing names the parts that are not filled in.