refactor: improve tool calls (#995)

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

1 files changed, 4 insertions, 2 deletions

diff --git a/src/client/ernie.rs b/src/client/ernie.rs
index 0c325e5..7e1f8e7 100644
--- a/src/client/ernie.rs
+++ b/src/client/ernie.rs
@@ -231,9 +231,11 @@ fn build_chat_completions_body(data: ChatCompletionsData, model: &Model) -> Valu
         .flat_map(|message| {
             let Message { role, content } = message;
             match content {
-                MessageContent::ToolResults(results) => {
+                MessageContent::ToolCalls(MessageContentToolCalls {
+                    tool_results,  ..
+                }) => {
                     let mut list = vec![];
-                    for tool_result in results.tool_results {
+                    for tool_result in tool_results {
                         list.push(json!({
                             "role": "assistant",
                             "content": format!("Action: {}\nAction Input: {}", tool_result.call.name, tool_result.call.arguments)