Syndic are actually a Gallic Junker organisation of pro AND anti Royalists. They agree to work together as Junkers while maintaining their own political loyalties. Its an unoffcial group and anyone is welcome to rp as a "member" (in character) of it if intersted. just tag "Syndic." and its understood. I am doing some setup now for it--I have to build slowly due to my schedule. In essence, "Syndic" just means you are from Gallia and are neutral to all Junkers regardless of their politics.
Some loyalists in the Syndic spied for the monarchy and are retired or possibly even still active. Others spied for the Council. They have a "don't ask, don't tell" policy in order to continue to work together as Junkers. I'll have to update the wiki as it was a quick and incomplete entry--sorry.
The RP of Tinkerbell originally was to be that the co-Founder of the Congres was a Gallic spy--Oniros (He is French in real life). Oniros was overtaken by real life and it fell to my own proxy now, Syndic.Adelei.Niska. Tinkerbell is currently integrating Gallic and non-Gallic Junkers in all his "employment opportunities" for Junkers. He sees them all as true Junkers--not "Gallic" or "Sirius" (though obviously he realizes the practicalities). He sees this as the Junker future and essential for survival of Junker culture.
Another player here Rps a Junker with a unique angle too--he was brainwashed and conditioned by the Gallic secret service to be an operative--think "La Femme Nikita", "Conspiracy Theory" or "Dollhouse".
Then we add you proposal and there are multiple venues and streams as to how Junkers and the GSS interact. All of the above should remain valid. One player I know already Rps a secret agent for the GRN and spies still as a Junker. You never know.
Proposal is good overall--just don't turn-off other Rps in creating it. FYI--my own take as a Syndic is certain groups proved difficult or impossible to infiltrate for ethnic and racial reasons. Primarily, Kusari factions due to culture and ethnicity--so there are no Hogosha Gallic spies from the Syndic point of view (this is to harmonize with the faction detail that Junkers never cracked Kusari). I also include Corsairs and Outcasts in that group as well due to ethnicity and strong cultural differences. True assimilation in these groups would be difficult (Spying hard but possible but actual infiltration as aa sleeper agent would be very difficult). Remember Igiss describes Junkers as an Anglo-Saxon subculture within Gallia.