TASK: add default account identifier for cli calls

Author: batabana

Classes/PrunnerApiService.php

@@ -111,7 +111,10 @@ public function apiCall(string $method, string $subpath, ?string $body): Respons
                 throw new \RuntimeException('Invalid prunner configuration (could not read JWT secret)');
             }
         }
-        $accountIdentifier = $this->context->getAccount()->getAccountIdentifier();
+
+        // There are usecases where we want to call prunner from the CLI. We don't have an initialized user there, thus we
+        // hardcode it to 'cli' in these cases. The account identifier in prunner is only used for e.g. log messages.
+        $accountIdentifier = $this->context->isInitialized() ? $this->context->getAccount()->getAccountIdentifier() : 'cli';
         // Generate JWT token on the fly with expiration in 60 seconds
         $authToken = JWT::encode(['sub' => $accountIdentifier, 'exp' => time() + 60], $jwtSecret, 'HS256');
         $client = new Client();