Add 8 files, update 14 files

prisma/migrations/20260802140000_add_communication_escalation/migration.sql

@@ -0,0 +1,15 @@
+ALTER TABLE "communication_rooms"
+  ADD COLUMN "audienceType" TEXT NOT NULL DEFAULT 'direct',
+  ADD COLUMN "classGroupId" TEXT,
+  ADD COLUMN "escalationEligibleAt" TIMESTAMP(3),
+  ADD COLUMN "escalatedAt" TIMESTAMP(3),
+  ADD COLUMN "resolvedAt" TIMESTAMP(3),
+  ADD COLUMN "resolutionStatus" TEXT NOT NULL DEFAULT 'open';
+
+ALTER TABLE "communication_rooms"
+  ADD CONSTRAINT "communication_rooms_classGroupId_fkey"
+  FOREIGN KEY ("classGroupId") REFERENCES "ClassGroup"("id")
+  ON DELETE SET NULL ON UPDATE CASCADE;
+
+CREATE INDEX "communication_rooms_classGroupId_idx" ON "communication_rooms"("classGroupId");
+CREATE INDEX "communication_rooms_escalationEligibleAt_idx" ON "communication_rooms"("escalationEligibleAt");