OpenCode keeps a lot of useful history. That is one of the reasons I like it. A coding-agent session is not just a chat transcript. It is a record of what I asked, what the agent did, which tools ran, what failed, what got fixed, and what context existed at the time. I have argued before that the agent session is becoming a log file. I still believe that. Then I noticed the log file was getting large. On one machine, ~/.local/share/opencode/opencode.db had grown past a gigabyte. That ...