Update Gurt's prompt to clarify that Ame-chan is not an AI and introduce the KAngel bot. Also, update the Gemini model version to `gemini-2.5-flash-preview-05-20` and remove uptime from server specs.
Update Gurt's prompt to clarify that Ame-chan is not an AI and introduce the KAngel bot. Also, update the Gemini model version to `gemini-2.5-flash-preview-05-20` and remove uptime from server specs.