Function detect_missing_installed_agents

src/agents/mod.rs:1244–1253

Returns agent IDs that have tracedecay configured under `home` but are absent from `current`. Pure — does no I/O on the config file.

(home: &Path, current: &[String])

/// Returns agent IDs that have tracedecay configured under `home` but are
/// absent from `current`. Pure — does no I/O on the config file.
pub fn detect_missing_installed_agents(home: &Path, current: &[String]) -> Vec<String> {
    let mut additions = Vec::new();
    for ag in all_integrations() {
        let id = ag.id().to_string();
        if ag.has_tracedecay(home) && !current.contains(&id) {
            additions.push(id);
        }
    }
    additions
}

/// Backfill `installed_agents` for users upgrading from older versions.
///