feat: add database seeding script for disease catalog and expert user

apps/api/package.json

@@ -7,6 +7,7 @@
     "dev": "bun --env-file=../../.env --watch src/index.ts",
     "start": "bun --env-file=../../.env src/index.ts",
     "typecheck": "tsc --project tsconfig.json",
+    "db:seed": "bun --env-file=../../.env src/db/seed.ts",
     "db:generate": "drizzle-kit generate",
     "db:migrate": "drizzle-kit migrate"
   },

apps/api/src/db/seed.ts

@@ -0,0 +1,54 @@
+import { eq } from 'drizzle-orm';
+import { createDbClient } from './client';
+import { diseaseCatalog, users } from './schema';
+import { demoExpertUser, diseaseCatalogRows } from './seed-data';
+import { hashPassword } from '../lib/auth';
+
+const db = createDbClient();
+
+await db
+  .insert(diseaseCatalog)
+  .values(diseaseCatalogRows)
+  .onConflictDoUpdate({
+    target: diseaseCatalog.slug,
+    set: {
+      label: diseaseCatalog.label,
+      commonName: diseaseCatalog.commonName,
+      summary: diseaseCatalog.summary,
+      description: diseaseCatalog.description,
+      symptoms: diseaseCatalog.symptoms,
+      recommendations: diseaseCatalog.recommendations,
+      riskLevel: diseaseCatalog.riskLevel,
+      accentColor: diseaseCatalog.accentColor,
+      displayOrder: diseaseCatalog.displayOrder,
+      updatedAt: new Date(),
+    },
+  });
+
+const passwordHash = await hashPassword(demoExpertUser.password);
+const existingExpert = await db
+  .select({ id: users.id })
+  .from(users)
+  .where(eq(users.email, demoExpertUser.email))
+  .limit(1);
+
+if (existingExpert[0]) {
+  await db
+    .update(users)
+    .set({
+      name: demoExpertUser.name,
+      role: demoExpertUser.role,
+      passwordHash,
+      updatedAt: new Date(),
+    })
+    .where(eq(users.email, demoExpertUser.email));
+} else {
+  await db.insert(users).values({
+    email: demoExpertUser.email,
+    name: demoExpertUser.name,
+    role: demoExpertUser.role,
+    passwordHash,
+  });
+}
+
+console.log(`Seeded ${diseaseCatalogRows.length} disease catalog rows and expert user ${demoExpertUser.email}`);