native macOS codings agent orchestrator prowl.onev.cat
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/// Specifies the artwork to use for a tab icon. `systemSymbol` is an/// always-available SF Symbol fallback; `assetName` is an optional,/// more specific PNG/SVG shipped in the asset catalog (used for/// branded CLI tools like docker/git/claude where stock SF Symbols/// don't read well).////// Renderers prefer `assetName` when present, falling back to/// `systemSymbol` when the asset is missing or asset rendering isn't/// yet wired into a particular call site.struct TabIconSource: Equatable, Hashable, Sendable { /// SF Symbol drawn via `Image(systemName:)`. let systemSymbol: String /// Asset catalog entry. When set, renderers paint `Image(_:)` for /// this name and ignore `systemSymbol`; when missing, they fall /// back to the SF Symbol. let assetName: String?
init(systemSymbol: String, assetName: String? = nil) { self.systemSymbol = systemSymbol self.assetName = assetName }
/// Serialised form stored in `TerminalTabItem.icon`. SF Symbols are /// stored bare (so existing `tab.icon = "terminal"` keeps working /// for the user-icon-picker path); assets carry a marker so the /// renderer can switch APIs. var storageString: String { if let assetName { return ResolvedTabIcon.assetMarker + assetName } return systemSymbol }}
/// What `TerminalTabItem.icon` resolves to once parsed by the/// renderer. Built from a stored string via `parse(_:)` — the inverse/// of `TabIconSource.storageString`. Lives next to `TabIconSource`/// because the two share the marker convention.enum ResolvedTabIcon: Equatable, Hashable, Sendable { case systemSymbol(String) case asset(name: String)
static let assetMarker = "@asset:"
static func parse(_ raw: String) -> ResolvedTabIcon { if raw.hasPrefix(assetMarker) { return .asset(name: String(raw.dropFirst(assetMarker.count))) } return .systemSymbol(raw) }}