fix: fix several different data parsing issues

api/prisma/migrations/20260418000000_fix_opportunity_typeid_nullable/migration.sql

@@ -0,0 +1,5 @@
+-- Fix schema drift: the Opportunity.typeId column was added as NOT NULL but the
+-- Prisma schema declares it as Int? (nullable). Drop the NOT NULL constraint so
+-- the DB matches the schema and so that creating an opportunity without a type
+-- (e.g. when CW uses no default type) no longer fails with P2011.
+ALTER TABLE "Opportunity" ALTER COLUMN "typeId" DROP NOT NULL;