Many of my photos are taken indoors, in a public-access space, a café. Does that qualify them as "street" photos? The old, strict ideas of a street photo have given way to a looser practice. Today's are informal and expressive. They may be posed, semi-posed or unposed. They may take place in any public, or public-access space, indoors or out. They earn the rubric of "street" by their character rather than their location. Street photography is a little like pornography; it's hard to define, but you know it when you see it.
Incidentally, the last photo, above, was shot through plate glass. It's a good example of what some call a "cooperating candid," where the subject spontaneously acknowledges the photographer and responds with a pose, or a semi-pose as here. Traditionally, street photographers were expected to remain anonymous, and avoid interacting with a subject. In practice, however, some of the most famous early street photos came about through limited collaboration, often unspoken, between subject and photographer. It was—and is—a principle honored in the breach.