Fix all linter errors

- Remove unused biome suppression comment in completions.ts
- Remove unnecessary if condition in execute-bootstrap.test.ts
- Add eslint-disable comments for any type assertions in client.test.ts
- Add eslint-disable comments for expect().rejects patterns
- Fix template literal number expression with toString()
- Fix error handling in test-db.ts to avoid object stringify

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

apps/api-server/src/procedures/auth/login-if-completed.ts

@@ -122,7 +122,8 @@ export const loginIfRequestIsCompleted =
           .execute();
 
         return { session: newSession, deviceTrusted: trusted };
-      });
+      },
+    );
 
     // Set session cookie
     setCookie(