I had a neighbour like you.
My dog used to bark when I went out and did the school run. The school is literally a three minute walk from here, so I was gone for ten minutes max.
She knocked the door and told me that I should be aware that my dog barks when I go out in the morning.
Then she reported me to the RSPCA and environmental health.
Then one day I got home from doing the school run and she essentially lay in wait for me and told me that my dog was going to be removed from me by the RSPCA as she had seen to it.
She told me that the entire neighbourhood had complained about me and wanted me out and wanted her to see to it.
I then calmly told her that I’d been recording her conversation (I actually had been recording a voice note while I walked home and just left the phone running) and that I would be taking it to the police as evidence of harassment. She ran literally screaming into her house and never spoke to me again. Result.
The reality was that her own dog, which was so aggressive it could only be walked muzzled at night, was triggered by the two minutes or so my dog barked.
Also, she had already fallen out with all the other neighbours and so I was fresh bate so to speak.
They moved about a year later and left the house in such a state that the new owners actually threatened to take them to court if they didn’t knock money off the price.
The woman was an unhinged mentalist.