holodeck-simctl-core 0.9.0

Core simctl automation (simulator lifecycle, recording, screenshots) for the holodeck-simctl CLI/TUI
Documentation 
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use crate::models::{Simulator, SimulatorState};

#[derive(Debug, thiserror::Error)]
pub enum SimctlError {
    #[error("Xcode not found")]
    XcodeNotFound,

    #[error("not found: {query}")]
    SimulatorNotFound { query: String },

    #[error("ambiguous: {query}")]
    AmbiguousMatch { query: String, candidates: Vec<Simulator> },

    #[error("already {}", state.raw_value())]
    AlreadyInState { state: SimulatorState },

    #[error("{}", command_failed_description(stderr))]
    CommandFailed { command: String, exit_code: i32, stderr: String },

    #[error("decode failed")]
    DecodingFailed {
        #[source]
        underlying: Box<dyn std::error::Error + Send + Sync>,
    },

    #[error("{reason}")]
    UnsupportedOperation { reason: String },

    #[error(transparent)]
    Io(#[from] std::io::Error),
}

fn command_failed_description(stderr: &str) -> String {
    let trimmed = stderr.trim();
    if trimmed.is_empty() { "command failed".to_string() } else { trimmed.to_string() }
}