all these changes

database/migrations/V19__allow_archived_status_on_application_plans.sql

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+-- Allow application plans to be archived.
+
+ALTER TABLE application_plans
+  DROP CONSTRAINT IF EXISTS application_plans_status_check;
+
+ALTER TABLE application_plans
+  ADD CONSTRAINT application_plans_status_check
+  CHECK (status IN ('planned', 'in_progress', 'completed', 'cancelled', 'archived'));