use crate::Feature;use crate::Features;use tracing::info;#[derive(Clone, Copy)]struct Alias {    legacy_key: &'static str,    feature: Feature,}const ALIASES: &[Alias] = &[    Alias {        legacy_key: "connectors",        feature: Feature::Apps,    },    Alias {        legacy_key: "enable_experimental_windows_sandbox",        feature: Feature::WindowsSandbox,    },    Alias {        legacy_key: "experimental_use_unified_exec_tool",        feature: Feature::UnifiedExec,    },    Alias {        legacy_key: "request_permissions",        feature: Feature::ExecPermissionApprovals,    },    Alias {        legacy_key: "web_search",        feature: Feature::WebSearchRequest,    },    Alias {        legacy_key: "collab",        feature: Feature::Collab,    },    Alias {        legacy_key: "memory_tool",        feature: Feature::MemoryTool,    },    Alias {        legacy_key: "telepathy",        feature: Feature::Chronicle,    },    Alias {        legacy_key: "codex_hooks",        feature: Feature::CodexHooks,    },];pub fn legacy_feature_keys() -> impl Iterator<Item = &'static str> {    ALIASES.iter().map(|alias| alias.legacy_key)}pub(crate) fn feature_for_key(key: &str) -> Option<Feature> {    ALIASES        .iter()        .find(|alias| alias.legacy_key == key)        .map(|alias| {            log_alias(alias.legacy_key, alias.feature);            alias.feature        })}#[derive(Debug, Default)]pub(crate) struct LegacyFeatureToggles {    pub experimental_use_unified_exec_tool: Option<bool>,}impl LegacyFeatureToggles {    pub fn apply(self, features: &mut Features) {        set_if_some(            features,            Feature::UnifiedExec,            self.experimental_use_unified_exec_tool,            "experimental_use_unified_exec_tool",        );    }}fn set_if_some(    features: &mut Features,    feature: Feature,    maybe_value: Option<bool>,    alias_key: &'static str,) {    if let Some(enabled) = maybe_value {        set_feature(features, feature, enabled);        log_alias(alias_key, feature);        features.record_legacy_usage(alias_key, feature);    }}fn set_feature(features: &mut Features, feature: Feature, enabled: bool) {    if enabled {        features.enable(feature);    } else {        features.disable(feature);    }}fn log_alias(alias: &str, feature: Feature) {    let canonical = feature.key();    if alias == canonical {        return;    }    info!(        %alias,        canonical,        "legacy feature toggle detected; prefer `[features].{canonical}`"    );}