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Add filesystem accessors bound to environment permissions - #46268
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copyberry[bot] merged 1 commit intoSep 17, 2026
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## What changed Add `EnvironmentAccess` and `FileSystemEnvironmentAccessor` to expose filesystem operations with a captured sandbox configuration, without allowing consumers to extract the filesystem or select another sandbox. Include a text-reading helper and an explicit unrestricted constructor. Provide opaque cache keys that compare filesystem identity and captured permissions without keeping the filesystem alive. Allow opened read streams to outlive the accessor. Export the new APIs through `codex-exec-server` and add `Environment::filesystem_ref()` for borrowing the shared filesystem. ## Testing Add local and remote coverage for text reads through `EnvironmentAccess`, streams surviving accessor disposal, and cache keys distinguishing changed permissions or a replacement filesystem. GitOrigin-RevId: 4f6787ed9ba0fb94adea2f31716c4d3132fed07d
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Add filesystem accessors bound to environment permissions
What changed
Add
EnvironmentAccessandFileSystemEnvironmentAccessorto expose filesystem operations with a captured sandbox configuration, without allowing consumers to extract the filesystem or select another sandbox. Include a text-reading helper and an explicit unrestricted constructor.Provide opaque cache keys that compare filesystem identity and captured permissions without keeping the filesystem alive. Allow opened read streams to outlive the accessor. Export the new APIs through
codex-exec-serverand addEnvironment::filesystem_ref()for borrowing the shared filesystem.Testing
Add local and remote coverage for text reads through
EnvironmentAccess, streams surviving accessor disposal, and cache keys distinguishing changed permissions or a replacement filesystem.