Method providerKey

Sources/Fluid/ContentView.swift:1569–1578

(for providerID: String)

    // MARK: - Provider Management Functions

    private func providerKey(for providerID: String) -> String {
        let trimmed = providerID.trimmingCharacters(in: .whitespacesAndNewlines)
        guard !trimmed.isEmpty else { return "" }

        // Built-in providers use their ID directly
        if ModelRepository.shared.isBuiltIn(trimmed) { return trimmed }
        // Saved providers use their stable id with "custom:" prefix (if not already present)
        if trimmed.hasPrefix("custom:") { return trimmed }
        return "custom:\(trimmed)"
    }

    private func updateCurrentProvider() {
        // Map baseURL to canonical key for built-ins; else keep existing