refactor: ( iam ) remove user relations

apps/edr-passenger-api/prisma/migrations/20260622000002_agent_iam_user_id_drop_user_fks/migration.sql

@@ -0,0 +1,39 @@
+-- ────────────────────────────────────────────────────────────
+-- 1. Add iamUserId to Agent
+-- ────────────────────────────────────────────────────────────
+ALTER TABLE passenger."Agent" ADD COLUMN IF NOT EXISTS "iamUserId" TEXT;
+
+DO $$ BEGIN
+  IF NOT EXISTS (
+    SELECT 1 FROM pg_constraint
+    WHERE conname = 'Agent_iamUserId_key'
+      AND conrelid = 'passenger."Agent"'::regclass
+  ) THEN
+    ALTER TABLE passenger."Agent" ADD CONSTRAINT "Agent_iamUserId_key" UNIQUE ("iamUserId");
+  END IF;
+END $$;
+
+CREATE INDEX IF NOT EXISTS "Agent_iamUserId_idx" ON passenger."Agent"("iamUserId");
+
+-- ────────────────────────────────────────────────────────────
+-- 2. Populate iamUserId for existing agent records
+--    Match via User.email → iam.users.email
+-- ────────────────────────────────────────────────────────────
+UPDATE passenger."Agent" a
+SET "iamUserId" = iu.id
+FROM passenger."User" u
+JOIN iam.users iu ON iu.email = u.email
+WHERE a."userId" = u.id
+  AND a."iamUserId" IS NULL;
+
+-- ────────────────────────────────────────────────────────────
+-- 3. Drop Agent.userId FK and column — iamUserId replaces it entirely
+-- ────────────────────────────────────────────────────────────
+ALTER TABLE passenger."Agent" DROP CONSTRAINT IF EXISTS "Agent_userId_fkey";
+DROP INDEX IF EXISTS passenger."Agent_userId_key";
+ALTER TABLE passenger."Agent" DROP COLUMN IF EXISTS "userId";
+
+-- ────────────────────────────────────────────────────────────
+-- 4. Drop Passenger.userId FK (column stays as plain nullable string)
+-- ────────────────────────────────────────────────────────────
+ALTER TABLE passenger."Passenger" DROP CONSTRAINT IF EXISTS "Passenger_userId_fkey";