chore: organize documentation structure for monorepo

- Create /docs structure (microdao, daarion, agents)
- Organize 61 cursor technical docs
- Add README files for each category
- Copy key documents to public categories
- Add GitHub setup instructions and scripts

supabase/migrations/000008_access_keys_capabilities.sql

@@ -0,0 +1,58 @@
+-- 000008_access_keys_capabilities.sql
+-- Up
+
+create table if not exists access_keys (
+  id text primary key,        -- ak_...
+  subject_kind text not null
+    check (subject_kind in ('user','agent','integration','embassy')),
+  subject_id text not null,   -- u_/ag_/...
+  team_id text references teams(id) on delete set null,
+  name text not null,
+  status text not null check (status in ('active','revoked','expired')),
+  created_at timestamptz not null default now(),
+  expires_at timestamptz,
+  last_used_at timestamptz
+);
+
+create index if not exists idx_access_keys_subject
+  on access_keys(subject_kind, subject_id);
+
+create index if not exists idx_access_keys_team
+  on access_keys(team_id);
+
+create table if not exists capabilities (
+  id text primary key,        -- cap_...
+  code text not null unique,  -- chat.message.send, wallet.stake.ringk, ...
+  description text not null
+);
+
+create table if not exists access_key_caps (
+  key_id text not null references access_keys(id) on delete cascade,
+  cap_id text not null references capabilities(id) on delete cascade,
+  primary key (key_id, cap_id)
+);
+
+create index if not exists idx_access_key_caps_cap_id
+  on access_key_caps(cap_id);
+
+create table if not exists bundles (
+  id text primary key,        -- bundle_...
+  name text not null unique,  -- role.Member / plan.Premium / agent.default
+  created_at timestamptz not null default now()
+);
+
+create table if not exists bundle_caps (
+  bundle_id text not null references bundles(id) on delete cascade,
+  cap_id text not null references capabilities(id) on delete cascade,
+  primary key (bundle_id, cap_id)
+);
+
+create index if not exists idx_bundle_caps_cap_id
+  on bundle_caps(cap_id);
+
+-- Down
+drop table if exists bundle_caps cascade;
+drop table if exists bundles cascade;
+drop table if exists access_key_caps cascade;
+drop table if exists capabilities cascade;
+drop table if exists access_keys cascade;