Japanese support

**Is your feature request related to a problem? Please describe. **
Additional context for Alerm is generated in English. If it supports Japanese, I think usage in Japan will expand.

**Describe the Solution You'd Like**
Support additional contexts for Alerm in Japanese

**Describe alternatives you've supposed**
Make it possible to switch the language to be used depending on the parameters.
Specifically, it is specified to return Japanese with the Bedrock prompt command.

**Additional context**
None.
Please let me help you. thibira@

No file or test is named. Start by tracing the Bedrock prompt command that generates additional alarm context and identify how parameters are passed. Done means the tool can select Japanese output when requested while preserving the existing English behavior.

Written by the indexing model from the issue text.