RBAC, Permissions, and Export/Import

migrations/003_add_tos_acceptance.sql

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+-- Migration: Add Terms of Service acceptance fields to users table
+--
+-- This migration adds:
+-- - accepts_tos: Boolean field to track ToS acceptance
+-- - tos_accepted_at: Timestamp of when user accepted ToS
+
+-- Add accepts_tos column (Boolean, default False)
+ALTER TABLE users
+ADD COLUMN accepts_tos BOOLEAN DEFAULT FALSE NOT NULL;
+
+-- Add tos_accepted_at column (nullable timestamp)
+ALTER TABLE users
+ADD COLUMN tos_accepted_at TIMESTAMP WITH TIME ZONE;
+
+-- Backfill existing users: mark as accepted with created_at date
+-- This is reasonable since existing users registered before ToS requirement
+UPDATE users
+SET accepts_tos = TRUE,
+    tos_accepted_at = created_at
+WHERE created_at IS NOT NULL;
+
+-- Success message
+SELECT 'Migration completed: ToS acceptance fields added to users table' AS result;