feat: allow signing reason override

packages/lib/constants/app.test.ts

@@ -0,0 +1,21 @@
+import { afterEach, describe, expect, it, vi } from 'vitest';
+
+import { NEXT_PRIVATE_SIGNING_REASON } from './app';
+
+describe('NEXT_PRIVATE_SIGNING_REASON', () => {
+  afterEach(() => {
+    vi.unstubAllEnvs();
+  });
+
+  it('defaults to the Documenso signing reason', () => {
+    vi.stubEnv('NEXT_PRIVATE_SIGNING_REASON', undefined);
+
+    expect(NEXT_PRIVATE_SIGNING_REASON()).toBe('Signed by Documenso');
+  });
+
+  it('uses the configured signing reason verbatim', () => {
+    vi.stubEnv('NEXT_PRIVATE_SIGNING_REASON', 'Signed by Objective');
+
+    expect(NEXT_PRIVATE_SIGNING_REASON()).toBe('Signed by Objective');
+  });
+});

packages/lib/constants/app.ts

@@ -33,3 +33,4 @@ export const IS_AI_FEATURES_CONFIGURED = () => !!env('GOOGLE_VERTEX_PROJECT_ID')
 export const NEXT_PRIVATE_USE_PLAYWRIGHT_PDF = () => env('NEXT_PRIVATE_USE_PLAYWRIGHT_PDF') === 'true';
 
 export const NEXT_PRIVATE_SIGNING_TIMESTAMP_AUTHORITY = () => env('NEXT_PRIVATE_SIGNING_TIMESTAMP_AUTHORITY');
+export const NEXT_PRIVATE_SIGNING_REASON = () => env('NEXT_PRIVATE_SIGNING_REASON') ?? 'Signed by Documenso';