# Documentation

Guides for using Pain Tracker accounts, integrations, AI features, reports, and troubleshooting.

## Account

* [Registration](/en/docs/registration.md)
* [Login](/en/docs/login.md)
* [Account Deletion](/en/docs/account-deletion.md)
* [Account Language](/en/docs/account-language.md)

## Integrations

* [Telegram Connection](/en/docs/telegram-connection.md)
* [Web Connection](/en/docs/web-connection.md)

## AI

* [AI Data Processing](/en/docs/ai-data-processing.md)
* [AI Recognition Quality](/en/docs/ai-recognition.md)
* [AI Report Analysis](/en/docs/ai-report-analysis.md)

## Reporting

* [CSV Export](/en/docs/csv-export.md)
* [PDF Export](/en/docs/pdf-export.md)
* [AI Report Analysis](/en/docs/ai-report-analysis.md)

## Troubleshooting

* [Timezone](/en/docs/timezone.md)
* [AI Recognition Issues](/en/docs/ai-recognition-issues.md)

## Legal

* [Terms of Service](/terms.md)
* [Privacy Policy](/privacy-policy.md)
* [Impressum](/impressum.md)
* [Changelog](/en/changelog.md)