feature: users with treatment edit permission should now have working hours defined. the appointment grid is now being drawn based on the doctor's working hours.

backend/prisma/migrations/20260608120000_add_staff_working_hours/migration.sql

@@ -0,0 +1,34 @@
+-- CreateTable
+CREATE TABLE "staff_working_hours_schedules" (
+    "id" TEXT NOT NULL,
+    "membershipId" TEXT NOT NULL,
+    "autoRepeatWeekly" BOOLEAN NOT NULL DEFAULT true,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updatedAt" TIMESTAMP(3) NOT NULL,
+
+    CONSTRAINT "staff_working_hours_schedules_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "staff_working_hours_blocks" (
+    "id" TEXT NOT NULL,
+    "scheduleId" TEXT NOT NULL,
+    "dayOfWeek" INTEGER NOT NULL,
+    "startMinute" INTEGER NOT NULL,
+    "endMinute" INTEGER NOT NULL,
+    "sortOrder" INTEGER NOT NULL DEFAULT 0,
+
+    CONSTRAINT "staff_working_hours_blocks_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateIndex
+CREATE UNIQUE INDEX "staff_working_hours_schedules_membershipId_key" ON "staff_working_hours_schedules"("membershipId");
+
+-- CreateIndex
+CREATE INDEX "staff_working_hours_blocks_scheduleId_dayOfWeek_sortOrder_idx" ON "staff_working_hours_blocks"("scheduleId", "dayOfWeek", "sortOrder");
+
+-- AddForeignKey
+ALTER TABLE "staff_working_hours_schedules" ADD CONSTRAINT "staff_working_hours_schedules_membershipId_fkey" FOREIGN KEY ("membershipId") REFERENCES "memberships"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "staff_working_hours_blocks" ADD CONSTRAINT "staff_working_hours_blocks_scheduleId_fkey" FOREIGN KEY ("scheduleId") REFERENCES "staff_working_hours_schedules"("id") ON DELETE CASCADE ON UPDATE CASCADE;

backend/prisma/schema.prisma

@@ -217,6 +217,7 @@ model Membership {
 
   permissions MembershipPermission[]
   invitations StaffInvitation[]
+  workingHoursSchedule StaffWorkingHoursSchedule?
 
   createdAt DateTime @default(now())
   updatedAt DateTime @updatedAt
@@ -225,6 +226,34 @@ model Membership {
   @@map("memberships")
 }
 
+model StaffWorkingHoursSchedule {
+  id               String @id @default(uuid())
+  membershipId     String @unique
+  autoRepeatWeekly Boolean @default(true)
+
+  membership Membership @relation(fields: [membershipId], references: [id], onDelete: Cascade)
+  blocks     StaffWorkingHoursBlock[]
+
+  createdAt DateTime @default(now())
+  updatedAt DateTime @updatedAt
+
+  @@map("staff_working_hours_schedules")
+}
+
+model StaffWorkingHoursBlock {
+  id          String @id @default(uuid())
+  scheduleId  String
+  dayOfWeek   Int
+  startMinute Int
+  endMinute   Int
+  sortOrder   Int    @default(0)
+
+  schedule StaffWorkingHoursSchedule @relation(fields: [scheduleId], references: [id], onDelete: Cascade)
+
+  @@index([scheduleId, dayOfWeek, sortOrder])
+  @@map("staff_working_hours_blocks")
+}
+
 model StaffInvitation {
   id String @id @default(uuid())