I think there are 2 viable options for Somalis. The first is the German model which is direct democracy and a federal system with some aspects of centralization, Germans before WW1 were extremely similar to Somalis in terms of their political issues. The second is something similar to the Chinese model, which is complex and I will try my best to explain it.
German Federal Model might work for Somalis, however stuff such as police, army, healthcare and education have to all follow a centralized approach. Everything else is up to whoever clan rules the land.
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The Chinese Model is where local elections decide everything. It is 1 party however the locals have say in everything of their local jurisdiction. Sub-clans can "vote" to elect a representative, that representative votes to elect another representative and so and so on. Everything outside foreign policy is handled by these representatives and domestic institutions and leaders. They meet with locals, ask what is needed and report what is needed. Each representative is tasked with goals to achieve within a period of time and given funds. If they are unable to meet the need of the people in an appropriate they are ousted or jailed.
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There is also a council called the Central Committee of 200+ people from across the country. These could be interpreted as the "Odays", "Garcaads" or "Ugaas's". They select the Politburo who then in turn select another 7 and those 7 decide on 1 person to be the "leader" of the country. The top 7 usually deal with foreign policy and army, while the Central deals with domestic Issues, the National Party deals with state wide issues, and Provincial Party deals with counties/municipality issues and so on and so on.. Everyone is tasks with goals to complete for each quarter of the year and given the money they need almost immediately. This is how China was able to develop so quick, you are putting a target on your head if you aren't able to meet the goals for the people who have elected you. This seems bureaucratic in practice but it's not and Somalis are not individualistic people so it might work. The story of Xi's rise is pretty impressive, he went from of these "Village Councilors" and transformed and entire village with his leaderships, then rose up to a provincial minters, then a very effective mayor of a city, and then a governor then joined the National Party and finally the politburo. In order to lead you have to show what you've done, you can't just come in with money and bride your way to the top. You need a record of achievements and can only advance if you've shown that you deserve it. Your "tol" can elect you but if you can't do much then you will not get far
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