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Technology Stack
Checked against the public source at 3567263 on September 30, 2026. Package versions describe source requirements, not a fresh verification of a hosted deployment or installed worker.
| Technology | Source baseline | Responsibility |
|---|---|---|
| React / TypeScript / Vite | Manifest and frozen Bun lockfile | Browser UI and production frontend bundle |
| Bun |
bun@1.4.0 project package manager |
Dependency installation, build scripts, unit tests, local tooling |
| Node.js | CLI requires 22+ | Installed CLI, daemon, detached supervisor, hosted actions |
| Heval CLI | Source package 0.2.0 | Pairing, setup, provider connection, daemon, local result viewing |
| WorkOS AuthKit | React SDK ^0.16.2 | Sign-in and identity tokens |
| Convex | SDK ^1.45.0 | Backend functions, transactions, subscriptions, durable queue state, reports and permissions |
| Vercel | Managed service | Frontend hosting and authenticated export download endpoint |
| Linux | Required for connected runner | Operator-controlled execution worker |
| Python / Harbor | Python 3.12+ / Harbor 0.23.0 | Portable task, harness, environment, trial, verifier orchestration |
| Docker Engine / Compose | Available to worker account | Disposable task environments; record actual image/engine identifiers for reproducibility |
| Coding harnesses | Approved profiles; record actual versions | Agents under evaluation, including Codex, Claude Code, Pi, OpenCode, Terminus 2; Oracle checks reference execution |
| Model providers / Merge Gateway | Selected model and serving vendor | Remote inference; credentials remain on worker |
| Vega / Vega-Lite / Vega Embed | 6.4.0 / 6.4.3 / 7.1.0 manifest | Shared chart recipes and browser/report rendering |
| Vercel Sandbox / Blob | SDK 3.3.0 / 2.8.0 manifest | Chromium presentation rendering and private export storage |
| GitHub Actions / ESLint / Bun tests / Vitest / Playwright | Repository workflow and frozen lockfile | Automated verification, installed-package checks, browser behavior |
| Markdown / Mermaid C4 and sequence | GitHub-managed renderer | Architecture and assignment artifacts |
Actual harness installation dependencies, mutable base image tags, and provider model aliases are not automatically frozen by a source dependency pin. Retain task hashes and record actual execution versions for published comparisons. Public synthetic examples are demonstrations, not measured results.
There is no separately operated Postgres, Redis, Kubernetes cluster, automatic cloud evaluation provisioning, or central raw-artifact archive in the implemented primary path. The older Bun HTTP/WebSocket workbench and direct Harbor workflows remain separate supporting paths.
Application manifest, Bun lockfile, CLI manifest, Harbor pin, worker requirements, and deployment setup.