Nguyễn Thành Vinh

LLM capability seam — adapter abstraction, registry, retry, token metering

OpenAI-compatible model provider — raw fetch + SSE streaming, zero AI SDK, retry/backoff with ERR_UPSTREAM_* errors

Step execution kernel for VNT Agent - tool lifecycle, timeouts, permission gating, doom-loop detection, self-correction and run state

Built-in tools for VNT Agent - file, shell, git, web, search, image, and more

Permission kernel primitive for VNT Agent - rule types, permission matching/checking, risk rules, and approval stores, decoupled from core

Memory and knowledge management for VNT Agent - bounded memory, context compression, learning engine

Sandbox primitives for VNT Agent - ProcessSandbox interface, config/result types, fail-closed SandboxUnavailableError, command parsing and tree-scoped process termination

Core agent engine for VNT Agent - kernel, tools, sessions, plugins, permissions, and knowledge

Observability - OpenTelemetry spans, timeline replay, telemetry aggregation