Allow hardcoding a captcha response in the config files

app/main.ts

@@ -174,7 +174,11 @@ const preventDisplaySleepService = new PreventDisplaySleepService(
   powerSaveBlocker
 );
 
-const challengeHandler = new ChallengeMainHandler();
+const challengeHandler = new ChallengeMainHandler(
+  config.has('hardcodedCaptchaForLocalTestingOnly')
+    ? config.get<string>('hardcodedCaptchaForLocalTestingOnly')
+    : undefined
+);
 
 const nativeThemeNotifier = new NativeThemeNotifier();
 nativeThemeNotifier.initialize();

ts/main/challengeMain.ts

@@ -10,13 +10,18 @@ import type {
   IPCResponse,
   ChallengeResponse,
 } from '../challenge.js';
+import { getEnvironment, Environment } from '../environment.js';
 
 const log = createLogger('challengeMain');
 
 export class ChallengeMainHandler {
   #handlers: Array<(response: ChallengeResponse) => void> = [];
+  #hardcodedResult?: ChallengeResponse;
 
-  constructor() {
+  constructor(hardcodedResult?: string) {
+    if (hardcodedResult && getEnvironment() === Environment.Development) {
+      this.#hardcodedResult = { captcha: hardcodedResult };
+    }
     this.#initialize();
   }
 
@@ -41,9 +46,11 @@ export class ChallengeMainHandler {
 
     const start = Date.now();
 
-    const data = await new Promise<ChallengeResponse>(resolve => {
-      this.#handlers.push(resolve);
-    });
+    const data =
+      this.#hardcodedResult ||
+      (await new Promise<ChallengeResponse>(resolve => {
+        this.#handlers.push(resolve);
+      }));
 
     const duration = Date.now() - start;
     log.info(`${logId}: got response after ${duration}ms`);