Runtime isolation hardening + test quality#1437
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NathanFlurry merged 1 commit intomainfrom Apr 6, 2026
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- Port Node.js builtin polyfills through Rust kernel sidecar (fs, child_process, net, dns, etc.) - Enforce WASM runtime memory limits, fuel budgets, and permission tiers - Add Pyodide process memory and execution timeout limits - Symlink TOCTOU protection and prewarm timeout for WASM modules - Implement overlay filesystem (whiteouts, opaque dirs, copy-up) - Add process reparenting, job control signals, /proc filesystem - Implement select/poll, pipe manager, PTY improvements - Add shebang parsing, umask, missing errno checks - Fix adapter package resolution for pnpm workspaces - Add pnpm .pnpm store mount discovery for moduleAccess - Fix tools quickstart, update sessions quickstart with software: [pi] - Update CLAUDE.md with test structure standards and package naming
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Summary
Test plan
cargo test --workspacepassespnpm testpasses across all packagescreateSession("pi")withsoftware: [pi]creates and closes cleanly🤖 Generated with Claude Code