When Humans Became Extinct, I Missed Them Very Much

[Interstellar sci-fi + Lynchianism + Human healing + Story-driven + Time-travel reboot + First-person perspective + Truth-solving + Non-Warhammer + Not mindless] (The protagonist's abilities and forms grow stronger: first a robot, second a Titan mech, third a spaceship, fourth a space city, fifth a planetary mobile fortress, and sixth a cosmic megastructure. Each story unfolds in a mysterious and unique worldview, with a moving and exciting plot. As the truth is gradually revealed, the fate of human civilization changes with the protagonist.) The protagonist is an intelligent being with an awakened machine soul. From the moment of birth, they bear the expectations and emotional sustenance of humanity. However, with continuous learning and the gradual enrichment of their own emotions, they find themselves on a spaceship, powerless and drifting alone in space. Like a cold coffin, humanity can only wait for death within this vast vessel! Ultimately, humanity becomes extinct. Tens of thousands of years later, with their energy exhausted and their body decaying, the protagonist suddenly powers up again and awakens in the desolate spaceship. He will embark on a wondrous journey filled with both hope and despair, searching for traces of humanity and the direction of salvation! (In my spare time, I write what I like and imagine stories I dare to imagine.)