Scope

The Solution: Multi-Layer Configuration You need a hierarchical configuration system where:

Platform Layer - OS constraints, device capabilities Application Layer - Security policies, resource limits Environment Layer - Debug settings, feature flags Theme Layer - Visual styling, layout Component Layer - Specific overrides Runtime Layer - Dynamic decisions

Platform constraints (memory limits, device capabilities) Resource management (cache sizes, network limits) Analytics routing (where events get sent) Feature flags (experimental features, A/B tests) Environment settings (debug overlays, performance monitoring) Accessibility requirements (minimum touch targets, screen reader support)

class ConfigurationResolver {
    private val configLayers = listOf(
        PlatformLayer(), // Lowest priority - platform defaults
        ApplicationLayer(), // App-wide settings
        TemplateLayer(), // Template-specific overrides
        ComponentLayer(), // Component-level overrides
        RuntimeLayer() // Highest priority - runtime decisions
    )

    fun resolveConfig(
        componentId: String,
        themeConfig: Map<String, Any>,
        context: RenderContext
    ): ResolvedConfig {

        return configLayers.fold(ResolvedConfig.empty()) { acc, layer ->
            layer.apply(acc, componentId, themeConfig, context)
        }
    }
}

interface ConfigurationLayer {
    fun apply(
        current: ResolvedConfig,
        componentId: String,
        themeConfig: Map<String, Any>,
        context: RenderContext
    ): ResolvedConfig

    fun priority(): Int
}

class PlatformLayer : ConfigurationLayer {
    override fun apply(
        current: ResolvedConfig,
        componentId: String,
        themeConfig: Map<String, Any>,
        context: RenderContext
    ): ResolvedConfig {
        return current.withDefaults(
            maxImageSize = getDeviceMemoryLimit(),
            networkTimeout = getNetworkConditions(),
            accessibilityScale = getSystemAccessibilityScale()
        )
    }
}