Create and manage sandboxed JavaScript tools for DeepSeek Harness with a Monaco editor and model-driven tool lifecycle.

`HarnessV1` adapter backed by [`@anthropic-ai/claude-agent-sdk`](https://www.npmjs.com/package/@anthropic-ai/claude-agent-sdk), which drives the `claude` CLI. The adapter ships a bridge process that runs inside a sandbox and talks to the host over a WebSo

Runtime-agnostic Rust port of Cordis, the plugin framework at the core of DeepSeek Harness — scoped dependency injection, lifecycle-owned effects, events, structured logging. Zero dependencies.

Portable Roth IRA signups for gig workers: eligibility checks, signup initiation, partners, sandbox.