Chinese characters display as garbled text in generated commit messages

[puguojingm]

Environment
IDE: GoLand
Plugin: AI Commits
Plugin Version: [Your Version]
IDE Version: [2.16.0]
OS: [Windows 11]
AI Service: [Anthropic]
Description
When using AI Commits plugin to generate commit messages in Chinese, the output appears as garbled/mojibake characters instead of readable Chinese text.

Steps to Reproduce