feat: support internal SMS API

server/services/sms.test.ts

@@ -0,0 +1,37 @@
+import assert from 'node:assert/strict';
+import test from 'node:test';
+
+test('hanbank provider posts the internal SMS API payload shape', async () => {
+  process.env.ACS_SMS_PROVIDER = 'hanbank';
+  process.env.ACS_SMS_API_URL = 'http://sms.example.test:8000';
+
+  const calls: Array<{ input: string | URL | Request; init?: RequestInit }> = [];
+  const originalFetch = globalThis.fetch;
+  globalThis.fetch = (async (input, init) => {
+    calls.push({ input, init });
+    return new Response(JSON.stringify({ statusCode: '202', statusName: 'success' }), {
+      status: 200,
+      headers: { 'content-type': 'application/json' },
+    });
+  }) as typeof fetch;
+
+  try {
+    const { sendSms } = await import('./sms.js');
+    const result = await sendSms({
+      to: '010-1234-5678',
+      text: '[ACS] QR 출입증 링크',
+    });
+
+    assert.equal(result.status, 'SENT');
+    assert.equal(result.channel, 'HANBANK');
+    assert.equal(String(calls[0]?.input), 'http://sms.example.test:8000/sens/sms');
+    assert.deepEqual(JSON.parse(String(calls[0]?.init?.body)), {
+      receive_number: '01012345678',
+      content: '[ACS] QR 출입증 링크',
+      msg_type: 'LMS',
+      reserve_time: '',
+    });
+  } finally {
+    globalThis.fetch = originalFetch;
+  }
+});