Add 8 files, update 14 files

prisma/migrations/20260802150000_add_leave_approval_workflow/migration.sql

@@ -0,0 +1,21 @@
+ALTER TABLE "illness_reports"
+  ADD COLUMN "leaveType" TEXT NOT NULL DEFAULT 'illness',
+  ADD COLUMN "teacherNotifiedAt" TIMESTAMP(3),
+  ADD COLUMN "adminApprovalStatus" TEXT NOT NULL DEFAULT 'pending',
+  ADD COLUMN "adminApprovedBy" TEXT,
+  ADD COLUMN "adminApprovedAt" TIMESTAMP(3),
+  ADD COLUMN "adminNotes" TEXT,
+  ADD COLUMN "calendarEventId" TEXT;
+
+ALTER TABLE "illness_reports"
+  ADD CONSTRAINT "illness_reports_adminApprovedBy_fkey"
+  FOREIGN KEY ("adminApprovedBy") REFERENCES "User"("id")
+  ON DELETE SET NULL ON UPDATE CASCADE;
+
+ALTER TABLE "illness_reports"
+  ADD CONSTRAINT "illness_reports_calendarEventId_fkey"
+  FOREIGN KEY ("calendarEventId") REFERENCES "CalendarEvent"("id")
+  ON DELETE SET NULL ON UPDATE CASCADE;
+
+CREATE UNIQUE INDEX "illness_reports_calendarEventId_key" ON "illness_reports"("calendarEventId");
+CREATE INDEX "illness_reports_adminApprovalStatus_idx" ON "illness_reports"("adminApprovalStatus");