feat: add MicroDAO balance checks and DAARION.city integration

- Update Wallet Service: balance checks (1 DAARION for create, 0.01 for usage)
- Update DAOFactory Service: use new balance checks
- Add DB migration: teams type field and city_links table
- Add DAARION.city seed data
- Create teams API routes with balance validation
- Add DAARION.city remote repository
- Add sync scripts and documentation

supabase/migrations/000010_teams_type_and_city_links.sql

@@ -0,0 +1,50 @@
+-- 000010_teams_type_and_city_links.sql
+-- Add type field to teams and city_links table for DAARION.city integration
+
+-- Up
+
+-- Add type field to teams table
+alter table teams 
+add column if not exists type text check (type in ('city', 'platform', 'community', 'guild', 'lab', 'personal'));
+
+-- Add index for type
+create index if not exists idx_teams_type on teams(type);
+
+-- Add parent_team_id for hierarchical structure (DAARION.city -> platforms -> microDAO)
+alter table teams
+add column if not exists parent_team_id text references teams(id) on delete set null;
+
+-- Add index for parent_team_id
+create index if not exists idx_teams_parent_team_id on teams(parent_team_id);
+
+-- Create city_links table for explicit relationships
+create table if not exists city_links (
+  id text primary key,
+  parent_team_id text not null references teams(id) on delete cascade,
+  child_team_id text not null references teams(id) on delete cascade,
+  relation_type text not null check (relation_type in ('platform', 'microdao', 'subdao')),
+  created_at timestamptz not null default now(),
+  unique (parent_team_id, child_team_id)
+);
+
+create index if not exists idx_city_links_parent_team_id on city_links(parent_team_id);
+create index if not exists idx_city_links_child_team_id on city_links(child_team_id);
+
+-- Insert DAARION.city as first MicroDAO (type='city')
+insert into teams (id, name, slug, mode, type, parent_team_id, created_at)
+values (
+  'daarion-city',
+  'DAARION.city',
+  'daarion',
+  'public',
+  'city',
+  null,
+  now()
+)
+on conflict (slug) do nothing;
+
+-- Down
+drop table if exists city_links cascade;
+alter table teams drop column if exists parent_team_id;
+alter table teams drop column if exists type;
+

supabase/migrations/README.md

@@ -17,7 +17,8 @@ SQL-міграції для схеми бази даних microDAO/DAARION.city
 7. `000007_embassy.sql` - Embassy Module (identities, webhooks, oracles)
 8. `000008_access_keys_capabilities.sql` - Access Keys, Capabilities, Bundles
 9. `000009_audit_outbox.sql` - Audit Log, Outbox Events
-10. `seeds.sql` - Seed data для bundles, capabilities та bundle mappings (запускати після всіх міграцій)
+10. `000010_teams_type_and_city_links.sql` - Teams type field, city_links, DAARION.city seed
+11. `seeds.sql` - Seed data для bundles, capabilities та bundle mappings (запускати після всіх міграцій)
 
 ---