RBAC, Permissions, and Export/Import

migrations/001_add_member_since_field.sql

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+-- Migration: Add member_since field to users table
+--
+-- This field allows admins to manually set historical membership dates
+-- for users imported from the old WordPress site.
+--
+-- For new users, it can be left NULL and will default to created_at when displayed.
+-- For imported users, admins can set it to the actual date they became a member.
+
+-- Add member_since column (nullable timestamp with timezone)
+ALTER TABLE users
+ADD COLUMN member_since TIMESTAMP WITH TIME ZONE;
+
+-- Backfill existing active members: use created_at as default
+-- This is reasonable since they became members when they created their account
+UPDATE users
+SET member_since = created_at
+WHERE status = 'active' AND member_since IS NULL;
+
+-- Success message
+SELECT 'Migration completed: member_since field added to users table' AS result;