feature: Tasks tab added for lab organizations. tasks now can be assigned and their status can be updated by the assignee.

backend/prisma/migrations/20260628180000_lab_task_priority_and_tasks_permissions/migration.sql

@@ -0,0 +1,22 @@
+-- Add task priority, timestamps, and Tasks tab permissions
+
+ALTER TABLE "lab_case_tasks" ADD COLUMN "priority" INTEGER NOT NULL DEFAULT 3;
+ALTER TABLE "lab_case_tasks" ADD COLUMN "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP;
+ALTER TABLE "lab_case_tasks" ADD COLUMN "updatedAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP;
+
+CREATE INDEX "lab_case_tasks_assigneeUserId_priority_createdAt_idx"
+  ON "lab_case_tasks"("assigneeUserId", "priority", "createdAt");
+
+INSERT INTO "features" ("id", "name", "description", "organizationTypeId")
+VALUES (gen_random_uuid(), 'Tasks', 'Lab task inbox', NULL)
+ON CONFLICT ("name") DO NOTHING;
+
+INSERT INTO "permissions" ("id", "name", "description", "featureId")
+SELECT gen_random_uuid(), v.name, NULL, f.id
+FROM (VALUES
+  ('TAB_TASKS_READ'),
+  ('TAB_TASKS_EDIT')
+) AS v(name)
+CROSS JOIN "features" f
+WHERE f.name = 'Tasks'
+ON CONFLICT ("name") DO NOTHING;

backend/prisma/migrations/20260628190000_lab_task_assigned_at/migration.sql

@@ -0,0 +1,6 @@
+-- Track when a task was assigned (for sorting and display)
+
+ALTER TABLE "lab_case_tasks" ADD COLUMN "assignedAt" TIMESTAMP(3);
+
+CREATE INDEX "lab_case_tasks_assignedAt_labCaseId_priority_idx"
+  ON "lab_case_tasks"("assignedAt" DESC, "labCaseId" ASC, "priority" DESC);

backend/prisma/schema.prisma

@@ -253,14 +253,21 @@ model LabCaseTask {
   stepOrder         Int
   stepLabel         String
   assigneeUserId    String?
+  assignedAt        DateTime?
+  priority          Int           @default(3)
   status            LabTaskStatus @default(PENDING)
 
   labCase  LabCase         @relation(fields: [labCaseId], references: [id], onDelete: Cascade)
   detail   TreatmentDetail @relation(fields: [treatmentDetailId], references: [id], onDelete: Cascade)
   assignee User?           @relation("LabCaseTaskAssignee", fields: [assigneeUserId], references: [id], onDelete: SetNull)
 
+  createdAt DateTime @default(now())
+  updatedAt DateTime @updatedAt
+
   @@unique([labCaseId, tooth, treatmentType, stepOrder])
   @@index([labCaseId, status])
+  @@index([assigneeUserId, priority, createdAt])
+  @@index([assignedAt, labCaseId, priority])
   @@map("lab_case_tasks")
 }
 

backend/prisma/seed.ts

@@ -94,6 +94,10 @@ async function main() {
       name: 'Cases',
       permissions: ['TAB_CASES_READ', 'TAB_CASES_EDIT'],
     },
+    {
+      name: 'Tasks',
+      permissions: ['TAB_TASKS_READ', 'TAB_TASKS_EDIT'],
+    },
     {
       name: 'Billing',
       permissions: ['TAB_BILLING_READ', 'TAB_BILLING_EDIT'],