The session ends. The work doesn't.
A serious project outlives a prompt, a session, and often the model that helped with it.
Models can research, code, use tools, and stay on task for hours. The hard part now is keeping a real piece of work coherent as people, tools, and reality change around it.
A session can end neatly while the work is still open. The cost comes later: finding the thread, rebuilding context, and figuring out where to resume.
A serious project outlives a prompt, a session, and often the model that helped with it.
Files, decisions, research, and outside changes end up in different places. You pay the tax when you have to rebuild the story.
A deep answer only matters if it changes what the project does next.
Come back and continue from where things actually stand.
See how AI Bridge gives long-running work a place to continue.