ruvnet/midstream

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<div align="center"> # MidStream **Real-time LLM streaming with inflight analysis** [![crates.io — 6 libs](https://img.shields.io/badge/crates.io-6_published_libs-orange?style=for-the-badge&logo=rust&logoColor=white)](https://crates.io/users/ruvnet) [![License: MIT OR Apache-2.0](https://img.shields.io/badge/License-MIT_OR_Apache--2.0-yellow?style=for-the-badge)](#license) [![MSRV: 1.81](https://img.shields.io/badge/MSRV-1.81-blue?style=for-the-badge&logo=rust&logoColor=white)](docs/adr/0023-msrv-policy.md) [![WASM Ready](https://img.shields.io/badge/WASM-Ready-654FF0?style=for-the-badge&logo=webassembly&logoColor=white)](#wasm--browser) [![QUIC Transport](https://img.shields.io/badge/QUIC-Transport-10b981?style=for-the-badge&logo=lightning&logoColor=white)](docs/adr/0021-quic-implementation-quinn.md) [![Star on GitHub](https://img.shields.io/github/stars/ruvnet/midstream?style=for-the-badge&logo=github&color=gold)](https://github.com/ruvnet/midstream) [![CI](https://img.shields.io/github/actions/workflow/status/ruvnet/midstream/rust-ci.yml?branch=main&style=for-the-badge&label=CI&logo=github-actions&logoColor=white)](.github/workflows/rust-ci.yml) [![Supply-chain audit](https://img.shields.io/github/actions/workflow/status/ruvnet/midstream/audit.yml?branch=main&style=for-the-badge&label=audit&logo=rustsec&logoColor=white)](.github/workflows/audit.yml) [![ADRs: 41](https://img.shields.io/badge/ADRs-41_decisions-6366f1?style=for-the-badge&logo=adblock&logoColor=white)](docs/adr/README.md) </div> Treat an LLM token stream as a first-class signal — pattern-match it, score it, intervene on it — *while the tokens are still arriving*. MidStream is the Rust workspace + WASM bindings + npm shims that make that practical: a nanosecond scheduler, a multi-stream QUIC transport, dynamical-systems analysis, and a self-referential meta-learning loop, all under one consistent feature flag policy and a hard supply-chain gate. ### Why MidStream? > Most "LLM tooling" treats the response as a black box that opens at the end. MidStream treats it as a stream of evidence that you can analyze, gate, and steer per chunk. Built in Rust by [`rUv`](https://ruv.io) so the analysis layer adds microseconds, not seconds — and ships the same code path to native, browser, and edge via WASM. ### What MidStream Does One workspace, six published libraries, one binary. The libraries are independently useful (pattern matching, real-time scheduling, attractor analysis, QUIC multi-stream) and compose into a single inflight-analysis pipeline. The binary wires them together with the OpenAI Realtime API and a console dashboard. ``` Provider stream ──▶ zero-copy Bytes ──▶ inflight pipeline ──▶ decisions (OpenAI RT, (ADR-0006) │ Anthropic, ├─ temporal-compare (DTW, LCS, edit-distance) custom) ├─ scheduler (ns-scale priority queue) ├─ attractor-studio (Lyapunov, phase-space) ├─ neural-solver (LTL + neural reasoning) ├─ strange-loop (meta-learning) └─ quic-multistream (transport, 0-RTT) │ AIMDS safety gate (optional) │ ▼ Dashboard · MCP · WASM · npm ``` > **New to MidStream?** Start with one crate. `temporal-compare` and `scheduler` ship clean tests, run on WASM, and have zero unsafe code — they're the easiest entry points. Move up to `strange-loop` once you want the full meta-learning loop. --- ## Quick Start Three different entry points depending on what you need. Pick one: | | **Single library** | **Full workspace** | **WASM / browser** | |---|---|---|---| | What it gives you | One crate (e.g. just pattern matching) | All 6 libs + binary + dashboard | Same Rust code, compiled to WASM, in npm | | What lives in your tree | A line in your `Cargo.toml` | Cloned repo, full build | `npm install @midstream/wasm` | | Best for | Embedding analysis in an existing app | Running the full inflight pipeline | Browser apps, edge workers | ### Path A — One crate ```bash # Pattern matching only cargo add midstreamer-temporal-compare # Real-time scheduler only cargo add midstreamer-scheduler # Or the full library stack cargo add midstreamer-temporal-compare midstreamer-scheduler \ midstreamer-attractor midstreamer-neural-solver \ midstreamer-strange-loop midstreamer-quic ``` ### Path B — Full workspace ```bash git clone https://github.com/ruvnet/midstream.git cd midstream # Build everything cargo build --workspace --release # Run the binary cargo run --release --bin midstream -- --help # Run the bench suite cargo bench --workspace ``` See [`docs/GETTING_STARTED.md`](docs/GETTING_STARTED.md) for the full zero-to-working-build walkthrough. ### Path C — WASM / browser ```bash # In a node project npm install @midstream/wasm # Or build from source cd npm-wasm npm install npm run build:wasm ``` ```js import { TemporalCompare, Scheduler } from '@midstream/wasm'; const cmp = new TemporalCompare(); const distance = cmp.dtw(seriesA, seriesB); ``` --- ## What You Get | | Capability | What it means | |---|------------|---------------| | ⚡ | **Inflight analysis** | Pattern-match, score, and gate LLM tokens as they arrive — not after the response completes | | 🦀 | **6 published Rust libraries** | Each crate ships independently on crates.io with its own changelog and MSRV gate | | 🌐 | **WASM-first design** | Every library that doesn't touch the OS compiles to `wasm32-unknown-unknown` with no source forks | | 📐 | **Honest benchmarks** | `cargo bench --workspace` against real workloads, not mocks — see [`docs/BENCHMARKS.md`](docs/BENCHMARKS.md) | | 🔒 | **Hard supply-chain gate** | `cargo audit` + `cargo deny` block every PR; ADR-0014 | | 🧪 | **proptest + fuzz baseline** | Every published library has a property-test suite; `midstream-fuzz` has libfuzzer targets — ADR-0038 | | 🚦 | **Bounded backpressure** | Every async channel has a bound; no unbounded `mpsc`, ever — ADR-0007 | | 🛡️ | **Secure-by-default TLS** | QUIC defaults to the platform verifier; `SkipServerVerification` is opt-in behind an `insecure-` feature flag — ADR-0011 | | 📊 | **Console dashboard** | Live FPS, latency, attractor type, chaos detection, stream health — `ratatui`-based, no JS toolchain needed | | 🔌 | **MCP tool surface** | Namespaced, versioned tools for swarm/agent integrations — ADR-0032 | | 📚 | **41 ADRs** | Every architectural decision is documented; superseding is via new ADRs, not edits — [`docs/adr/`](docs/adr/README.md) | | 🧾 | **Dual MIT OR Apache-2.0** | Whole workspace; ADR-0036 | --- ## Rust Workspace Six published library crates at the same workspace version (currently `0.2.1`). Each one is independently useful and can be added without pulling the others. <details> <summary><strong>📦 The six libraries (click to expand)</strong></summary> | Crate | What it does | crates.io | |---|---|---| | [**midstreamer-temporal-compare**](crates/temporal-compare/) | Sequence comparison: Dynamic Time Warping (DTW), Longest Common Subsequence (LCS), edit distance, with LTL extensions | [![v](https://img.shields.io/crates/v/midstreamer-temporal-compare?label=&color=orange&logo=rust)](https://crates.io/crates/midstreamer-temporal-compare) | | [**midstreamer-scheduler**](crates/nanosecond-scheduler/) | Ultra-low-latency priority queue with strict `Ord` semantics (priority-major, deadline-minor). Designed for ns-scale arrival rates | [![v](https://img.shields.io/crates/v/midstreamer-scheduler?label=&color=orange&logo=rust)](https://crates.io/crates/midstreamer-scheduler) | | [**midstreamer-attractor**](crates/temporal-attractor-studio/) | Dynamical-systems analysis: Lyapunov exponents, phase-space reconstruction, attractor classification (fixed-point / periodic / chaotic) | [![v](https://img.shields.io/crates/v/midstreamer-attractor?label=&color=orange&logo=rust)](https://crates.io/crates/midstreamer-attractor) | | [**midstreamer-neural-solver**](crates/temporal-neural-solver/) | Linear Temporal Logic (LTL) verification fused with a small neural reasoner. Used for inflight safety/intent checks | [![v](https://img.shields.io/crates/v/midstreamer-neural-solver?label=&color=orange&logo=rust)](https://crates.io/crates/midstreamer-neural-solver) | | [**midstreamer-strange-loop**](crates/strange-loop/) | Self-referential meta-learning: the system can observe and adjust its own analysis policy mid-stream | [![v](https://img.shields.io/crates/v/midstreamer-strange-loop?label=&color=orange&logo=rust)](https://crates.io/crates/midstreamer-strange-loop) | | [**midstreamer-quic**](crates/quic-multistream/) | QUIC multi-stream transport (quinn-backed) for native; thin shim on the browser side. 0-RTT, stream prioritization, secure-by-default TLS | [![v](https://img.shields.io/crates/v/midstreamer-quic?label=&color=orange&logo=rust)](https://crates.io/crates/midstreamer-quic) | The `midstream` binary at the workspace root wires these into the inflight pipeline. </details> <details> <summary><strong>🧰 The three npm packages (click to expand)</strong></summary> | Package | What it does | |---|---| | [**@midstream/wasm**](npm-wasm/) | The Rust workspace compiled to WASM — same `temporal-compare`, `scheduler`, `attractor`, `strange-loop` available from JS/TS | | [**midstream**](npm/) | Node CLI + dashboard. Calls the Rust binary or `@midstream/wasm` depending on environment | | [**lean-agentic-js**](lean-agentic-js/) | The agentic-loop tooling (action / observation / plan / learning) as standalone JS/TS, with its own test suite | </details> <details> <summary><strong>🌐 WASM / browser support</strong></summary> Every Rust library that doesn't touch the OS compiles to `wasm32-unknown-unknown` from the same source tree: ```bash cargo build -p midstreamer-temporal-compare --target wasm32-unknown-unknown --no-default-features cargo build -p midstreamer-scheduler --target wasm32-unknown-unknown --no-default-features cargo build -p midstreamer-strange-loop --target wasm32-unknown-unknown --no-default-features ``` The `npm-wasm/` package builds with `wasm-pack`, ships TypeScript declarations, and works in Node ≥ 18, modern browsers, and edge runtimes (Cloudflare Workers, Deno, Bun). Network egress from the WASM sandbox is gated by an allowlist — ADR-0015. </details> <details> <summary><strong>🏛️ Architecture overview</strong></summary> ``` ┌──────────────────────────────┐ │ LLM provider stream │ │ (OpenAI RT · Anthropic · ...)│ └─────────────┬────────────────┘ ▼ ┌─────────────────────┐ │ midstream binary │ │ (zero-copy Bytes) │ └─────────────┬───────┘ ▼ ┌─────────────────────────────────────────────────┐ │ Inflight pipeline │ │ │ │ temporal-compare ─► scheduler ─► attractor │ │ │ │ │ │ │ ▼ ▼ ▼ │ │ neural-solver strange-loop dashboard │ └─────────────────────────────────────────────────┘ │ ┌──────────────┼──────────────┐ ▼ ▼ ▼ MCP server WASM bundle OTLP traces (ADR-0032) (ADR-0003) (ADR-0010) ``` See [`docs/ARCHITECTURE.md`](docs/ARCHITECTURE.md) for the long form, and [`docs/adr/`](docs/adr/README.md) for the decisions that shaped each layer. </details> --- ## Performance `cargo bench --workspace` runs the full criterion suite. Honest benchmarks against real workloads, not mocks — ADR-0009. Highlights from the current baseline (Ubuntu 24.04, Ryzen 9 7950X): | Operation | p50 | Notes | |---|---|---| | `temporal-compare::dtw` (128 × 128 floats) | ~38 µs | SIMD-friendly; no allocations on the hot path | | `scheduler::push` + `pop` (priority-major) | ~85 ns / ~120 ns | Lock-free queue, ADR-0008 | | `attractor::lyapunov` (1 K-point trajectory) | ~2.4 ms | Single-threaded | | `strange-loop` self-update cycle | ~340 µs | Per inflight observation | | QUIC `connect` (0-RTT, loopback) | ~180 µs | Platform verifier, ADR-0011 | Full numbers (CSV + plots + methodology) in [`docs/BENCHMARKS.md`](docs/BENCHMARKS.md). --- ## Documentation Four canonical docs. Everything else is either an ADR or archived. | Doc | When to read it | |---|---| | **[Architecture](docs/ARCHITECTURE.md)** | What midstream is, how the pieces fit together, where each component lives. The *how-it-works* doc. | | **[Getting Started](docs/GETTING_STARTED.md)** | Zero to a working local build. Prerequisites, install, first run. The *how-do-I-start* doc. | | **[Benchmarks](docs/BENCHMARKS.md)** | Methodology + current numbers, with the historical drift documented. The *is-it-actually-fast* doc. | | **[Security](docs/SECURITY.md)** | Threat model, posture, supply-chain gates, how to report issues. The *should-I-trust-it* doc. | Plus the **41 [ADRs](docs/adr/README.md)** — every architectural decision, immutable, with status tracked (Proposed → Accepted → Superseded). Browse the [index](docs/adr/README.md) by topic: foundational · perf/SOTA · security · API · transport · TS surface · dashboard · governance. --- ## Development ```bash # Run the workspace tests (skip midstream root + hyprstream; broken under --all-features) cargo test --workspace --exclude midstream --exclude hyprstream --all-features # Lint cargo clippy --workspace --exclude midstream --exclude hyprstream --all-targets --all-features -- -D warnings # Format check cargo fmt --all -- --check # Supply-chain gate (matches CI) cargo deny --workspace check --hide-inclusion-graph advisories cargo deny --workspace check --hide-inclusion-graph bans cargo deny --workspace check --hide-inclusion-graph licenses cargo deny --workspace check --hide-inclusion-graph sources cargo audit # Property tests cargo test --workspace --exclude midstream --exclude hyprstream --test 'proptest_*' # Fuzz one target cargo +nightly fuzz run dtw_does_not_panic -- -runs=100000 ``` The xtask crate (`cargo xtask --help`) replaces hand-rolled shell scripts — ADR-0037. --- ## Project Conventions - **Modular Cargo workspace.** One root, every member is in `crates/` or a top-level directory — ADR-0001. - **Off-by-default features, prefixed by domain** (`backend-`, `provider-`, `wasm-`, `insecure-`) — ADR-0025. - **`thiserror` for libraries, `anyhow` for binaries** — ADR-0018. - **Workspace-wide lints.** `dbg!`, `todo!()`, `unimplemented!()`, `mem::forget` are all `deny` — ADR-0034. - **Cargo.lock is committed.** Standard for binary-shipping workspaces; required for `cargo audit` and `--locked` MSRV checks. - **Released via `release.yml`.** Tag `vX.Y.Z`, the workflow handles `cargo set-version`, dependency-DAG publish, and the GitHub release — ADR-0017. --- ## Contributing PRs welcome. The bar: 1. Every change references an ADR (or proposes a new one if it's a real decision). 2. New code has property tests where the surface is parseable / generative; unit tests otherwise. 3. `cargo clippy` clean and `cargo fmt` applied — both are CI gates. 4. Security-sensitive changes (TLS, network, deserialization) get an explicit ADR-0011 / ADR-0015 review. See [`CONTRIBUTING.md`](CONTRIBUTING.md), [`CODE_OF_CONDUCT.md`](CODE_OF_CONDUCT.md), and [`SECURITY.md`](SECURITY.md) — all ratified under ADR-0039. --- ## Support | Resource | Link | |---|---| | Issues & bugs | [GitHub Issues](https://github.com/ruvnet/midstream/issues) | | Architecture decisions | [`docs/adr/`](docs/adr/README.md) | | Security disclosures | [`SECURITY.md`](SECURITY.md) | | Author | [ruv.io](https://ruv.io) · [@ruvnet](https://github.com/ruvnet) | ## License Dual-licensed under **MIT OR Apache-2.0** — pick whichever is more convenient. The same dual licence applies to every workspace member, every WASM artifact, and every npm package. See [`LICENSE-MIT`](LICENSE-MIT) and [`LICENSE-APACHE`](LICENSE-APACHE). ADR-0036 explains why.

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AI Manipulation Defense System implementation with Midstream, AgentDB, and lean-agentic

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2025-10-27

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