💭 Looking at this PR, I'm checking whether the changes to ChatComposer.tsx and MessagesTimeline.tsx follow Effect service conventions. The key addition is the use of useAtomCommand with projectEnvironment.writeFile for handling file attachments, and I'm noticing the code checks result._tag === "Failure" to handle errors from the atom command in what appears to be React boundary code. Since this is a React component consuming an Effect service through the app boundary via useAtomCommand rather than creating or refactoring a service itself, and there's no direct runtime manipulation like ManagedRuntime.make or runPromise in domain code, this looks fine. Let me verify the actual implementation to make sure there are no hidden violations. I'm realizing the repo parameter needs to be structured as an object, not a string—I passed it correctly as an object with a url field, but the error about unmarshaling suggests I nested the url value incorrectly in the parameter formatting. Let me restructure it properly. I'm looking at the React component code that uses useAtomCommand as the app boundary, and I need to verify whether projectEnvironment.writeFile is an existing method or a new addition to understand if there's any Effect service convention issue here. The PR is consuming an existing atom command, so this doesn't appear to be a refactoring or structural change. The useAtomCommand pattern here follows the same convention used elsewhere in the codebase, so that's consistent. The MessagesTimeline changes are just regex and string manipulation with no Effect service involvement, and the test is a standard UI test. Everything checks out from an Effect service perspective—no violations or refactoring needed. Though I'm noticing the response schema requirement seems to be cut off mid-thought.