feat: initial datalake and stats site (#28666)

packages/stats/core/src/config.ts

@@ -0,0 +1,23 @@
+import { Config, ConfigProvider, Effect, Layer, Schema } from "effect"
+import * as Context from "effect/Context"
+import { Resource } from "sst/resource"
+
+export class AppConfigValue extends Schema.Class<AppConfigValue>("AppConfigValue")({
+  stage: Schema.NonEmptyString,
+  publicUrl: Schema.NonEmptyString,
+}) {}
+
+const decodeAppConfigValue = Schema.decodeUnknownSync(AppConfigValue)
+
+const config = Config.all({
+  stage: Config.succeed(Resource.App.stage),
+  publicUrl: Config.string("PUBLIC_URL").pipe(Config.withDefault("http://localhost:3000")),
+}).pipe(Config.map(decodeAppConfigValue))
+
+export class AppConfig extends Context.Service<AppConfig, AppConfigValue>()("@opencode/stats/AppConfig") {
+  static readonly config = config
+  static readonly layer: Layer.Layer<AppConfig, never, never> = Layer.effect(
+    AppConfig,
+    config.parse(ConfigProvider.fromEnv()).pipe(Effect.orDie),
+  )
+}