Initial commit from v0

scripts/003_add_approved_column.sql

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+-- Add approved column to space_members
+-- Used to distinguish members who have been approved by an admin vs pending
+alter table if exists public.space_members
+  add column if not exists approved boolean default false;
+
+-- Existing active members are considered approved
+update public.space_members
+  set approved = true
+  where status = 'active';