Function toolCallChunk

extensions/cli/src/stream/streamChatResponse.test.ts:47–77

(
    id: string,
    name?: string,
    args?: string,
  )

  // Helper to create a tool call chunk
  function toolCallChunk(
    id: string,
    name?: string,
    args?: string,
  ): ChatCompletionChunk {
    return {
      id: "test",
      object: "chat.completion.chunk",
      created: Date.now(),
      model: "test-model",
      choices: [
        {
          index: 0,
          delta: {
            tool_calls: [
              {
                index: 0,
                id,
                type: "function",
                function: {
                  name: name || undefined,
                  arguments: args || undefined,
                },
              },
            ],
          },
          finish_reason: null,
        },
      ],
    };
  }

  // Helper to create a tool call chunk with optional ID
  function toolCallChunkWithIndex(