improvement: tasks and cases feature updated based on the new prosthesis types and their steps. the whole assignment proccess removed from the flow.

backend/prisma/regenerate-lab-tasks.ts

@@ -0,0 +1,60 @@
+/**
+ * Dev-only: regenerate lab case tasks from existing LabCaseToothProsthesis rows.
+ * Usage: npx ts-node prisma/regenerate-lab-tasks.ts
+ *
+ * The lab workflow refactor truncated lab_case_tasks. This rebuilds task sets
+ * (grouped by treatment detail + prosthesis type, one set per workflow step)
+ * for every already-sent case that still has prosthesis selections.
+ */
+import { PrismaClient } from '@prisma/client';
+import { config } from 'dotenv';
+import path from 'path';
+import { generateLabCaseTasks } from '../src/modules/cases/lab-case-task.generator';
+
+const envPath = path.join(__dirname, '..', '.env');
+config({ path: envPath });
+
+if (process.env.NODE_ENV === 'production') {
+  console.error('regenerate-lab-tasks is not allowed in production');
+  process.exit(1);
+}
+
+const prisma = new PrismaClient();
+
+async function main() {
+  const cases = await prisma.labCase.findMany({
+    where: {
+      sentAt: { not: null },
+      toothProsthesis: { some: {} },
+    },
+    select: {
+      id: true,
+      treatment: { select: { organization: { select: { owner: { select: { language: true } } } } } },
+    },
+  });
+
+  console.log(`Regenerating tasks for ${cases.length} sent case(s)...`);
+
+  let total = 0;
+  for (const labCase of cases) {
+    const locale = labCase.treatment.organization.owner.language ?? 'en';
+    // Clear any stale tasks first so the generator's "already exists" guard passes.
+    await prisma.labCaseTask.deleteMany({ where: { labCaseId: labCase.id } });
+    const created = await prisma.$transaction((tx) =>
+      generateLabCaseTasks(tx, labCase.id, locale),
+    );
+    total += created;
+    console.log(`  - ${labCase.id}: ${created} task(s)`);
+  }
+
+  console.log(`Done. ${total} task(s) created.`);
+}
+
+main()
+  .catch((e) => {
+    console.error(e);
+    process.exit(1);
+  })
+  .finally(async () => {
+    await prisma.$disconnect();
+  });