onemessagebus-agent 0.8.0

The agent profile over the onemessagebus core: the envelope, labels, sources, phases and schema registry the agent stack shares.
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# onemessagebus-agent

The agent profile over the `onemessagebus` core: the vocabulary the agent stack
shares, declared once here and re-exported by every consumer.

- `Source::{Agentgraph, Vcs, Pipeline}` — the three producers, and the envelope
  version each writes against (`pipeline` 2, the others 1).
- `Phase::{Development, Integrate, Review, Release}` — the reserved top-level
  dimension, omitted from the wire when absent.
- `Labels` — `run_id`, `round`, `node`, `step`, `member`, `persona`, plus a
  flattened map of free-form extras.
- `Envelope`, `EventFilter`, `Matcher`, `Emitter`, `Reader`, `Merge` — the core's
  generic types over this vocabulary, serializing to the bytes `oneagentgraph`,
  `onevcs` and `onepipeline` write today.
- `note` — the agent note contract: `Note`, `Addressee`, `Criterion`,
  `Accepted`, and `Notes`/`NoteInbox`, the core's inbox pair over them, so a note
  reaches a live conversation in process, through a spool, or carried to a later
  one.
- `registry()` — every schema the stack registers: `agent.event-envelope` at
  `[2, 1]`, and the artifact reference, the filter, the labels, the note and the
  transport plugin protocol's three shapes (`agent.artifact-ref`,
  `agent.event-filter`, `agent.labels`, `agent.note`,
  `onemessagebus.transport-hello`, `onemessagebus.transport-request`,
  `onemessagebus.transport-reply`) at 1. Member protocol frames, and a program's
  own queue layout, are linked as external schema bundles by the host
  configuration.

```rust
use onemessagebus_agent::{Emitter, Labels, Phase, Source};
use serde_json::Map;

let emitter = Emitter::new("s-1", Source::Vcs, Box::new(std::io::stdout()))
    .with_labels(Labels { run_id: Some("R".into()), ..Labels::default() })
    .with_dimensions(Phase::Development.into());
let envelope = emitter.emit("push", Map::new());
assert_eq!(envelope.v, 1);
```

<!-- llmlint: ignore-block[no_redundant_instruction_pointers] this README is the crate's crates.io and docs.rs page (`readme = "README.md"`), read by a consumer who has only the packaged crate and never this repository's AGENTS.md; this link is how that reader reaches the contract at all. -->
The contract every consumer restates from is
[`docs/contract.md`](https://github.com/nickderobertis/onemessagebus/blob/main/docs/contract.md).
<!-- llmlint: ignore-end[no_redundant_instruction_pointers] -->