- Added a default system prompt and adjusted the structure to use XML for clarity.
- Improved help command handling by simplifying triggers and updating responses.
- Enhanced NixOS configuration with support for optional custom instructions.
- Switched `maxTokens` to `contextMessages` to set chat history length instead of token limit.
- Updated environment variables, NixOS module, and prompt building logic for consistency.
- Removed in-memory conversation history, now fetching from Nextcloud for better scalability.
- Set `User` and `Group` for the bot service to enhance security and isolation.
- Added system user and group for `claude-bot` with defined home directory.
- Modified secrets ownership to align with the new bot user.
- Added configuration for Nextcloud Claude Bot, including NixOS module, secrets management, and example setup files.
- Introduced a Python-based HTTP server for handling webhook events and interacting with Nextcloud Talk.
- Integrated necessary dependencies and systemd service for seamless operation.
