Answer:
Stream of consciousness
Explanation:
A literary device is used as a tool that is used by the writers and is used to hint a larger theme or ideas or the meaning of the writing. Each literary devices serves different purposes.
In the context, the narrator uses the stream of consciousness in the given piece of writing when the narrator says that she is happy that she step out for a walk and it was much chiller than the narrator was expecting. She was concern that she could wore a hat and she is conscious that she hasn't washed her hair. At the same time she is also excited about what they are going to do the next week.
Thus the narration shows a idea of consciousness in the piece. Thus, this is an example of stream of consciousness.