[Bug] Unsupported Node.js builtin modules in runtime environment

Claude-CLI is crashing often with this "Bun" error

Bug Description
Builtins: "bun:main" "node:assert" "node:async_hooks" "node:buffer" "node:child_process" "node:constants" "node:crypto" "node:dns" "node:events" "node:fs" "node:fs/promises" "node:http" "node:https" "node:module" "node:net" "node:os" "node:path" "node:path/posix" "node:path/win32" "node:perf_hooks" "node:process" "node:stream" "node:stream/consumers" "node:timers/promises" "node:tls" "node:tty" "node:url" "node:util" "node:zlib" "undici" "ws" "node:http2"

Environment Info

• Platform: win32
• Terminal: null
• Version: 2.1.81
• Feedback ID: e0b31bf0-77bb-4e6b-a201-e4c4b6bb9df6

Errors

[{"error":"EFAULT: bad address in system call argument, rm 'C:\\Users\\USERNAME\\.claude\\plugins\\cache\\engram'","timestamp":"2026-03-21T14:08:01.595Z"},{"error":"Error: Plugin MCP server error - mcp-config-invalid: MCP server github invalid: Missing environment variables: GITHUB_PERSONAL_ACCESS_TOKEN\n    at KXH (B:/~BUN/root/src/entrypoints/cli.js:2618:22291)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-03-21T14:08:01.605Z"},{"error":"Error: Plugin MCP server error - mcp-config-invalid: MCP server github invalid: Missing environment variables: GITHUB_PERSONAL_ACCESS_TOKEN\n    at KXH (B:/~BUN/root/src/entrypoints/cli.js:2618:22291)\n    at async G (B:/~BUN/root/src/entrypoints/cli.js:5399:9913)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-03-21T14:08:02.405Z"},{"error":"Error: Plugin MCP server error - mcp-config-invalid: MCP server github invalid: Missing environment variables: GITHUB_PERSONAL_ACCESS_TOKEN\n    at KXH (B:/~BUN/root/src/entrypoints/cli.js:2618:22291)\n    at async J (B:/~BUN/root/src/entrypoints/cli.js:5399:10629)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-03-21T14:08:02.407Z"},{"error":"AxiosError: Request failed with status code 429\n    at Ux (B:/~BUN/root/src/entrypoints/cli.js:74:1194)\n    at <anonymous> (B:/~BUN/root/src/entrypoints/cli.js:79:12762)\n    at emit (node:events:92:22)\n    at endReadableNT (internal:streams/readable:861:50)\n    at processTicksAndRejections (native:7:39)\n    at request (B:/~BUN/root/src/entrypoints/cli.js:81:2467)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-03-21T14:08:02.412Z"}]