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# Enum Provenance Label

> Origin label for a prompt block.

Generated from `cargo doc --no-deps -p nemo-relay -p nemo-relay-adaptive -p nemo-relay-ffi`.

```rust
pub enum ProvenanceLabel {
    System,
    Developer,
    User,
    Tool,
    Retrieval,
    Memory,
}
```

Origin label for a prompt block.

Tracks where the content came from so downstream phases can apply provenance-specific caching and sharing rules.

## Variants

### `System`

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System-level instructions (e.g., system prompt).

### `Developer`

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Developer-authored prompt templates.

### `User`

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End-user input.

### `Tool`

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Tool output / function call results.

### `Retrieval`

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Retrieved context (RAG).

### `Memory`

<pre />

Agent memory / conversation history.

## Trait Implementations

### `impl Clone for ProvenanceLabel`

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#### `clone`

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#### `clone_from`

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### `impl Debug for ProvenanceLabel`

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#### `fmt`

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### `impl<'de> Deserialize<'de> for ProvenanceLabel`

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#### `deserialize`

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### `impl Hash for ProvenanceLabel`

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#### `hash`

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#### `hash_slice`

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### `impl PartialEq for ProvenanceLabel`

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#### `eq`

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#### `ne`

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### `impl Serialize for ProvenanceLabel`

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#### `serialize`

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### `impl Copy for ProvenanceLabel`

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### `impl Eq for ProvenanceLabel`

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### `impl StructuralPartialEq for ProvenanceLabel`

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