update tender form

backend/prisma/migrations/20260603120000_leave_dates_to_timestamp/migration.sql

@@ -0,0 +1,9 @@
+-- Convert leave start/end columns from DATE to TIMESTAMP(3)
+-- so that HOURLY leaves can store the actual start/end time of day.
+-- Without this, Postgres truncates the time and every hourly leave
+-- renders at the company timezone offset (e.g. 03:00) instead of the
+-- chosen time.
+
+ALTER TABLE "leaves"
+  ALTER COLUMN "startDate" TYPE TIMESTAMP(3) USING "startDate"::timestamp(3),
+  ALTER COLUMN "endDate"   TYPE TIMESTAMP(3) USING "endDate"::timestamp(3);