refactor: improve tool calls (#995)

- rename MessageContent:ToolResults to MessageContent:ToolCalls
- rename ToolResults to MessageContentToolCalls
- persist tool_calls to messages.md

1 files changed, 2 insertions, 2 deletions

diff --git a/src/client/cohere.rs b/src/client/cohere.rs
index c5a31f5..9726300 100644
--- a/src/client/cohere.rs
+++ b/src/client/cohere.rs
@@ -213,8 +213,8 @@ fn build_chat_completions_body(data: ChatCompletionsData, model: &Model) -> Resu
                         .collect();
                     Some(json!({ "role": role, "message": list.join("\n\n") }))
                 }
-                MessageContent::ToolResults(results) => {
-                    tool_results = Some(results.tool_results);
+                MessageContent::ToolCalls(tool_calls) => {
+                    tool_results = Some(tool_calls.tool_results);
                     None
                 }
             }