# Tasks: enterprise-server-sandbox

**Change ID**: enterprise-server-sandbox
**Package**: `@suaveplan/sandbox`
**Target path**: `server/infra/sandbox`
**Prerequisites on Verdaccio**: `@suaveplan/error`, `@suaveplan/types`, `@suaveplan/logger`

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## 0. Pre-flight (non-negotiable)

- [ ] 0.1 Confirm clean working tree (`git status` reports nothing) and no in-flight worktrees with uncommitted work (`git worktree list` then `git status` in each)
- [ ] 0.2 If any worktrees exist under `.claude/worktrees/`, account for each one: still-active agent, work-pending-merge, or stale-and-prune. Stale worktrees MUST be removed (`git worktree remove`) before opening a new one — code that has been lost twice on main is the failure mode this guards against.
- [ ] 0.3 Confirm the package set in `MANIFEST.md` matches `find packages -maxdepth 3 -name package.json` count. Drift here means a prior change archived without regenerating the manifest.

## 1. Scaffold

- [ ] Create directory tree per `proposal.md`.
- [ ] `package.json` at `0.1.0`, `"sideEffects": false`, exports `"."` + `worker` + `process` subpaths.
- [ ] Deps: `@suaveplan/error workspace:^`, `@suaveplan/types workspace:^`, `@suaveplan/logger workspace:^`, `zod catalog:forms`, `@opentelemetry/api catalog:observability`, `tslib catalog:build`.
- [ ] DevDeps: `vitest catalog:testing`, `@vitest/coverage-istanbul catalog:testing`, `@suaveplan/testing workspace:^`.
- [ ] `tsconfig.json` extending `library-node.json`; `vitest.config.ts` with `pool: 'forks'`, `setupFiles: ['@suaveplan/testing/polyfills']`.
- [ ] Scripts: `lint`, `typecheck`, `test`, `test:coverage`, `build`, `docs:check`.

## 2. Types and errors

- [ ] Define all interfaces and Zod schemas (`SandboxOptionsSchema`, `RunOptionsSchema`) in `src/types/sandbox.types.ts`.
- [ ] Write `sandbox.types.md` (≥200 words, both examples, API reference).
- [ ] `src/error-codes.ts`: five codes; `registerSandboxErrorCodes()`; eager call.

## 3. Worker sandbox

- [ ] Write `src/worker/sandbox-worker-script.ts`: minimal worker entry that receives `{ code, context }` via `self.onmessage`, evaluates code in a `Function('context', code)(context)` with captured stdout/stderr, posts result back, handles errors.
- [ ] Implement `WorkerSandbox` in `src/worker/worker-sandbox/worker-sandbox.ts`:
  - Creates a new `Worker(sandboxWorkerScript)` per `run()` call (for isolation reset).
  - Posts `{ code, context }` to worker; sets a timeout via `AbortController`; on timeout terminate worker and throw `SANDBOX_TIMEOUT`.
  - Captures postMessage response as `SandboxResult`.
  - `dispose()`: no-op (workers are per-run).
  - OTel: span `sandbox.run`, counter `sandbox.runs_total`, histogram `sandbox.duration_ms`.
- [ ] Write `worker-sandbox.test.ts` (≤500 lines): simple return value; console.log captured; context injection; timeout; syntax error (ok: false, error set); abort signal; `{ timeout: 15000 }`.
- [ ] Write `worker-sandbox.md` (≥200 words).

## 4. Process sandbox

- [ ] Implement `ProcessSandbox` in `src/process/process-sandbox/process-sandbox.ts`:
  - `run(code, context, options)`: write a temp JS file; spawn `bun run <tempFile>` with `stdin: JSON.stringify(context)`; capture stdout/stderr; enforce timeout by killing process; return `SandboxResult`.
  - Propagate exit code; on non-zero, set `ok: false`.
  - `dispose()`: clean up temp files.
  - OTel: same instrumentation as worker sandbox.
- [ ] Write `process-sandbox.test.ts` (≤500 lines): same scenarios as worker sandbox, plus process exit code handling.
- [ ] Write `process-sandbox.md` (≥200 words).

## 5. Security tests

- [ ] Write `tests/security.test.ts` (≤500 lines, `{ timeout: 15000 }`):
  - Code attempting `process.exit()` is caught and sandbox returns error.
  - Code attempting `require('fs').readFileSync('/etc/passwd')` is blocked (process sandbox with `allowFs: false`).
  - Infinite loop hits timeout correctly.
  - Code throwing large strings does not OOM the test runner.
  - Context values are not accessible outside the sandbox (no prototype pollution).

## 6. Integration tests

- [ ] `tests/integration.test.ts`: worker + process sandbox run same set of test snippets; verify identical results; `{ timeout: 30000 }`.

## 7. Docs + verify + publish

- [ ] Root `README.md`: security model explanation, worker vs process trade-offs, quick-start examples, API table.
- [ ] `bunx turbo lint --filter=@suaveplan/sandbox` — zero errors.
- [ ] `bunx turbo typecheck --filter=@suaveplan/sandbox` — zero errors.
- [ ] `bunx turbo test --filter=@suaveplan/sandbox` — all pass.
- [ ] `bunx turbo test:coverage --filter=@suaveplan/sandbox` — 100%.
- [ ] `bun scripts/publish.ts --package @suaveplan/sandbox`.
- [ ] Update `CLAUDE.md`; archive to `openspec/archive/2026-04-24-enterprise-server-sandbox/`.