diff --git a/packages/api/src/routers/_app.ts b/packages/api/src/routers/_app.ts
index 5626270..8f03af3 100644
--- a/packages/api/src/routers/_app.ts
+++ b/packages/api/src/routers/_app.ts
@@ -1,8 +1,12 @@
 import { router } from '../trpc';
 import { pingRouter } from './ping';
+import { workstationRouter } from './workstation';
+import { userRouter } from './user';
 
 export const appRouter = router({
   ping: pingRouter,
+  workstation: workstationRouter,
+  user: userRouter,
 });
 
 export type AppRouter = typeof appRouter;
diff --git a/packages/api/src/routers/user.ts b/packages/api/src/routers/user.ts
new file mode 100644
index 0000000..a344268
--- /dev/null
+++ b/packages/api/src/routers/user.ts
@@ -0,0 +1,11 @@
+import { protectedProcedure, router } from '../trpc';
+
+export const userRouter = router({
+  listOperators: protectedProcedure.query(({ ctx }) => {
+    return ctx.db.user.findMany({
+      where: { role: 'OPERATOR' },
+      select: { id: true, email: true },
+      orderBy: { email: 'asc' },
+    });
+  }),
+});
diff --git a/packages/api/src/routers/workstation.ts b/packages/api/src/routers/workstation.ts
new file mode 100644
index 0000000..433ee74
--- /dev/null
+++ b/packages/api/src/routers/workstation.ts
@@ -0,0 +1,9 @@
+import { protectedProcedure, router } from '../trpc';
+
+export const workstationRouter = router({
+  list: protectedProcedure.query(({ ctx }) => {
+    return ctx.db.workstation.findMany({
+      orderBy: [{ area: 'asc' }, { code: 'asc' }],
+    });
+  }),
+});
diff --git a/packages/db/src/index.ts b/packages/db/src/index.ts
index 47b84b0..c79b180 100644
--- a/packages/db/src/index.ts
+++ b/packages/db/src/index.ts
@@ -1,4 +1,4 @@
 export { prisma, type DbClient } from './client';
 export { tenantScoped, type TenantScopedClient } from './tenant-extension';
-export { Prisma, UserRole } from '@prisma/client';
-export type { User, Tenant, Workstation, DomainEvent } from '@prisma/client';
+export { Prisma, UserRole, MaintenanceRequestStatus } from '@prisma/client';
+export type { User, Tenant, Workstation, DomainEvent, MaintenanceRequest } from '@prisma/client';
diff --git a/scripts/routers-smoke.ts b/scripts/routers-smoke.ts
new file mode 100644
index 0000000..8452f90
--- /dev/null
+++ b/scripts/routers-smoke.ts
@@ -0,0 +1,59 @@
+/**
+ * AC verification for Passo 5:
+ *   workstation.list and user.listOperators return seeds from Passo 2.
+ */
+import path from 'node:path';
+import { fileURLToPath } from 'node:url';
+import { config as loadEnv } from 'dotenv';
+
+const here = path.dirname(fileURLToPath(import.meta.url));
+loadEnv({ path: path.resolve(here, '../.env') });
+
+import { prisma, tenantScoped } from '../packages/db/src/index.js';
+import { appRouter, createTRPCContext } from '../packages/api/src/index.js';
+import { createCallerFactory } from '../packages/api/src/trpc.js';
+
+async function main() {
+  // Resolve the demo tenant and admin user from the real DB
+  const adminUser = await prisma.user.findFirst({ where: { email: 'admin@demo.local' } });
+  if (!adminUser) throw new Error('Run pnpm db:seed first');
+
+  const ctx = await createTRPCContext({
+    user: {
+      id: adminUser.id,
+      email: adminUser.email,
+      role: adminUser.role as 'ADMIN',
+      tenantId: adminUser.tenantId,
+    },
+    headers: new Headers(),
+  });
+
+  const caller = createCallerFactory(appRouter)(ctx);
+
+  // workstation.list
+  const workstations = await caller.workstation.list();
+  const wsCodes = workstations.map((w) => w.code).sort();
+  const expectedCodes = ['CTR04', 'MTG_01', 'QVN_RTL_2'];
+  if (JSON.stringify(wsCodes) !== JSON.stringify(expectedCodes)) {
+    throw new Error(`workstation.list mismatch: got ${JSON.stringify(wsCodes)}`);
+  }
+  console.log(`workstation.list → ${wsCodes.join(', ')} ✓`);
+
+  // user.listOperators
+  const operators = await caller.user.listOperators();
+  const opEmails = operators.map((u) => u.email).sort();
+  const expectedEmails = ['op1@demo.local', 'op2@demo.local', 'op3@demo.local'];
+  if (JSON.stringify(opEmails) !== JSON.stringify(expectedEmails)) {
+    throw new Error(`user.listOperators mismatch: got ${JSON.stringify(opEmails)}`);
+  }
+  console.log(`user.listOperators → ${opEmails.join(', ')} ✓`);
+
+  await prisma.$disconnect();
+  console.log('\nRouter AC PASSED');
+}
+
+main().catch(async (err) => {
+  console.error('Router AC FAILED:', err);
+  await prisma.$disconnect();
+  process.exit(1);
+});