diff --git a/src/api/teamsbotApi.ts b/src/api/teamsbotApi.ts
index 4178ae7..c99a38f 100644
--- a/src/api/teamsbotApi.ts
+++ b/src/api/teamsbotApi.ts
@@ -140,6 +140,16 @@ export interface AuthTestResults {
   variants: AuthTestResult[];
   recommendation: string;
   credentialsReceived?: { hasEmail: boolean; hasPassword: boolean };
+  credentialDebug?: {
+    mandateId?: string;
+    botFound?: boolean;
+    botEmail?: string;
+    botMandateId?: string;
+    searchStrategy?: string;
+    allBotsCount?: number;
+    passwordDecrypted?: boolean;
+    passwordError?: string;
+  };
 }
 
 // SSE Event Types
diff --git a/src/pages/views/teamsbot/TeamsbotSettingsView.tsx b/src/pages/views/teamsbot/TeamsbotSettingsView.tsx
index 1ed66d3..8815fc9 100644
--- a/src/pages/views/teamsbot/TeamsbotSettingsView.tsx
+++ b/src/pages/views/teamsbot/TeamsbotSettingsView.tsx
@@ -343,12 +343,35 @@ export const TeamsbotSettingsView: React.FC = () => {
                 </tbody>
               </table>
 
-              {testResults.credentialsReceived && (
-                <div className={styles.testRecommendation} style={{ marginBottom: '0.5rem' }}>
-                  <strong>Credentials:</strong>{' '}
-                  Email: {testResults.credentialsReceived.hasEmail ? <span className={styles.testCheckmark}>&#10003;</span> : <span className={styles.testCross}>&#10007; FEHLT</span>}
-                  {' | '}
-                  Passwort: {testResults.credentialsReceived.hasPassword ? <span className={styles.testCheckmark}>&#10003;</span> : <span className={styles.testCross}>&#10007; FEHLT</span>}
+              {(testResults.credentialsReceived || testResults.credentialDebug) && (
+                <div className={styles.testLogContainer} style={{ margin: '0.5rem 0' }}>
+                  <div className={styles.testLogLine} className={styles.testLogInfo}>
+                    <strong>Credential-Debug:</strong>
+                  </div>
+                  {testResults.credentialsReceived && (
+                    <div className={`${styles.testLogLine} ${testResults.credentialsReceived.hasEmail ? styles.testLogInfo : styles.testLogError}`}>
+                      Bot empfangen: Email={testResults.credentialsReceived.hasEmail ? 'ja' : 'NEIN'} | Passwort={testResults.credentialsReceived.hasPassword ? 'ja' : 'NEIN'}
+                    </div>
+                  )}
+                  {testResults.credentialDebug && (
+                    <>
+                      <div className={`${styles.testLogLine} ${styles.testLogInfo}`}>
+                        Suche: mandateId={testResults.credentialDebug.mandateId} | Strategie={testResults.credentialDebug.searchStrategy}
+                      </div>
+                      <div className={`${styles.testLogLine} ${testResults.credentialDebug.botFound ? styles.testLogInfo : styles.testLogError}`}>
+                        Bot gefunden: {testResults.credentialDebug.botFound ? 'ja' : 'NEIN'}
+                        {testResults.credentialDebug.botEmail && ` | ${testResults.credentialDebug.botEmail}`}
+                        {testResults.credentialDebug.botMandateId && ` | bot-mandate=${testResults.credentialDebug.botMandateId}`}
+                        {testResults.credentialDebug.allBotsCount !== undefined && ` | total=${testResults.credentialDebug.allBotsCount}`}
+                      </div>
+                      {testResults.credentialDebug.passwordDecrypted !== undefined && (
+                        <div className={`${styles.testLogLine} ${testResults.credentialDebug.passwordDecrypted ? styles.testLogInfo : styles.testLogError}`}>
+                          Passwort entschluesselt: {testResults.credentialDebug.passwordDecrypted ? 'ja' : 'NEIN'}
+                          {testResults.credentialDebug.passwordError && ` | Fehler: ${testResults.credentialDebug.passwordError}`}
+                        </div>
+                      )}
+                    </>
+                  )}
                 </div>
               )}