phoxal 0.67.0

Phoxal - production-oriented autonomous robot framework: the one framework library, holding the runtime engine, the api contract tree, the typed bus, the canonical model, and the bundle.
Documentation 
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crate::endpoints! {
    open: Query<OpenRequest, OpenOutcome>;
}

use crate::api::perception::SourceRef;

/// Ask to open a video stream for one exact camera capability at an
/// optional size. The pre-v1 backend currently has no encoded
/// transport, so the response reports that outcome instead of
/// fabricating a stream identity or lifecycle.
#[derive(
    phoxal_macros::DescribeWire, Clone, Debug, PartialEq, serde::Serialize, serde::Deserialize,
)]
pub struct OpenRequest {
    pub source: SourceRef,
    pub width_px: Option<u32>,
    pub height_px: Option<u32>,
}

/// Why a requested video stream could not be opened.
#[derive(
    phoxal_macros::DescribeWire,
    Copy,
    Eq,
    Clone,
    Debug,
    PartialEq,
    serde::Serialize,
    serde::Deserialize,
)]
#[serde(rename_all = "snake_case")]
pub enum OpenOutcome {
    /// The source exists, but no encoder/transport backend exists
    /// in this train.
    Unsupported,
    /// No camera source is currently available.
    Unavailable,
}