maintain-dynamic-plugins

par nvidia

Maintain NeMo Relay dynamic plugin loaders, manifests, Rust native SDKs, gRPC worker protocol, Python worker SDK, docs, tests, and release workflow coverage

npx skills add https://github.com/nvidia/nemo-relay --skill maintain-dynamic-plugins

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Maintain Dynamic Plugins

Companion Guidance

Use karpathy-guidelines, validate-change, maintain-packaging, and contribute-docs alongside this skill when implementation, packaging, CI, or documentation changes are involved.

Use this skill for plugin.kind = "rust_dynamic", plugin.kind = "worker", nemo-relay-plugin, nemo-relay-worker, nemo-relay-worker-proto, nemo-relay-types, and the Python nemo-relay-plugin package.

Rules

Keep the stable boundary explicit: native plugins cross a C ABI; worker plugins cross grpc-v1.
Do not pass Rust runtime types, trait objects, futures, or allocator-owned strings across the native dynamic-library boundary.
Keep worker protocol DTOs in JsonEnvelope; protobuf owns control flow, not duplicated Relay data models.
Keep relay-plugin.toml dynamic records separate from generic runtime components. Enabled dynamic records may synthesize internal component specs; disabled records stay inspectable but unloaded.
Treat plugin Relay compatibility as normal SemVer. Use >=0.5,<1.0 in examples unless a plugin intentionally declares a narrower range.
Do not add tests under src; Rust tests belong in crate tests/ trees and Python SDK tests belong under python/tests.
Native and worker plugins are trusted extensions. Document that native plugins are in-process and unsandboxed; worker plugins provide process isolation but not a security sandbox.

Checklist

Manifest validation covers kind, compatibility, load contract, integrity, capability mismatch, and disabled-plugin behavior.
Native loader keeps libraries alive until registered callbacks are cleared and deregisters plugin kinds before unload.
Worker activation covers process launch, token auth, handshake, validation, declarative registration, proxy rollback, cancellation, and shutdown.
Rust and Python SDKs expose every supported registration surface.
Runtime helpers cover marks, scopes, continuations, and isolated scope stacks.
plugins list, plugins inspect, and plugins validate report lifecycle and compatibility status without leaking secret config.
Top-level doctor reports resolved dynamic plugin and host configuration status.
When detailed dynamic plugin guides exist, they keep Rust native, Python worker, and grpc-v1 protocol details on separate pages.
justfile, Codecov, and CI package/test workflows include new plugin crates and packages.

Validation

cargo test -p nemo-relay-types
cargo test -p nemo-relay-plugin
cargo test -p nemo-relay-worker-proto
cargo test -p nemo-relay-worker
cargo test -p nemo-relay --features worker-grpc --test native_plugin_integration --test worker_plugin_integration
just test-python-plugin
just test-rust
just test-python
just docs

For broad runtime or public API changes, run the full validate-change matrix.