The Logic of the Immutable Identity
When you update an agent's system prompt or tool-set, you are "Changing its Brain." **Persona Versioning** ensures that you can track these changes, test them in isolation, and "Rollback" to a previous version if the agent starts behaving incorrectly.
The Versioning Stack
We use "Software Engineering Best Practices" to manage our agents:
- Prompt Versioning (Git for Prompts): Storing every iteration of the agent's instructions in a version-controlled repository.
- Semantic Tagging: Labeling personas with "Capabilities" (e.g.,