LOVE the story of that unexpected, random "I'm listening" from Siri at that time! How I'd love to believe your mom's spirit was able to access tech to let you know she's still with you.
My cell phone did something that has never happened before or since, even though I finally learned HOW to call up that special text and a canned reply, but to have accidentally called it up myself while reading a text message in a parking lot is just too improbable.
I blogged about it here Angels "simply use what's available" - even our cell phones, or landscape rocks and here:
https://hive.blog/hive-106316/@carolkean/do-you-believe-in-magic-messages-from-the-other-side-and-the-power-of-words
Our youngest sister sees the rare white squirrel and countless little signs that Lori is still near us. I sooo want to believe in life after death and our lost loved ones reuniting with us one day!