Ollama: The `context` field is deprecated and will be removed in a future version

[daxian-dbw]

Summary of the new feature / enhancement

Today the Ollama agent uses the context field for preserving history of a chat. The Ollama server 0.5.13 writes out warning about using this field:

[GIN] 2025/04/23 - 13:05:47 | 200 | 9.6578815s | 127.0.0.1 | POST "/api/generate"
time=2025-04-23T13:06:59.988-07:00 level=WARN source=routes.go:274 msg="the context field is deprecated and will be removed in a future version of Ollama"

So, the agent needs to be updated with a different way to handle chat history.

Proposed technical implementation details (optional)

No response