Othismo is a runtime which has a bunch of sandboxed WASM modules talking to each other + the host environment. It's actually hosting its own website right now at othismo.com.This is a project that's been percolating in my head for a while, as a vague desire to make a "better" runtime for software development. But it was never particularly clear for me what that would _actually_ look like. In the last month or so, I felt a bit inspired to ask what such a runtime might look like for agentic development.My hypothesis is that we really can't review 10k+ SLoC pull requests consistently and really understand them. But if we try to have a higher level view of things, we still can't be confident the agent(s) haven't done something stupid and opened a socket or a file somewhere in that 10k+ SLoC.Therefore we need a very clear demarcation between computation and side effects. In Othismo that takes the shape of the image definition files (.oth) which describe the namespace + various type definiti...