adding mistral tool fields to encoders

Author: nathanborror

Package.resolved

@@ -10,7 +10,9 @@ extension MistralService {
     func encode(message: Message) -> Mistral.Message {
         .init(
             role: encode(role: message.role),
-            content: message.content ?? ""
+            content: message.content ?? "",
+            toolCalls: encode(toolCalls: message.toolCalls),
+            toolCallID: message.toolCallID
         )
     }
 
@@ -38,6 +40,21 @@ extension MistralService {
         )
     }
 
+    func encode(toolCalls: [ToolCall]?) -> [Mistral.Message.ToolCall]? {
+        guard let toolCalls else { return nil }
+        return toolCalls.map { encode(toolCall: $0) }
+    }
+    
+    func encode(toolCall: ToolCall) -> Mistral.Message.ToolCall {
+        .init(
+            id: toolCall.id,
+            function: .init(
+                name: toolCall.function.name,
+                arguments: toolCall.function.arguments
+            )
+        )
+    }
+    
     func encode(toolChoice: Tool?) -> ChatRequest.ToolChoice {
         if toolChoice != nil {
             return .any