checkpoint before checking out feature/account-managed-gateway

src/test/kotlin/com/osglab/account/config/AppConfigTest.kt

@@ -14,6 +14,9 @@ class AppConfigTest : FunSpec({
         config.environment shouldBe Environment.TEST
         config.apple.clientCredentialsAvailable shouldBe false
         config.encryption.key.size shouldBe 32
+        config.credits.signupTrial shouldBe 1_000
+        config.credits.referralInviter shouldBe 1_000
+        config.credits.referralInvitee shouldBe 1_000
     }
 
     test("production rejects placeholder secrets") {
@@ -76,6 +79,43 @@ class AppConfigTest : FunSpec({
         }.message.orEmpty() shouldContain "bootstrapEnabled requires"
     }
 
+    test("StoreKit requires an app identifier and dedicated credit product when enabled") {
+        val missingAppId = validProductionConfig().apply {
+            put("app.storeKit.enabled", "true")
+            put("app.storeKit.products", "500tks:500,1500tks:1500,3000tks:3000")
+        }
+        shouldThrow<IllegalArgumentException> {
+            AppConfig.from(missingAppId)
+        }.message.orEmpty() shouldContain "appAppleId is required"
+
+        val enabled = validProductionConfig().apply {
+            put("app.storeKit.enabled", "true")
+            put("app.storeKit.appAppleId", "6781553267")
+            put("app.storeKit.products", "500tks:500,1500tks:1500,3000tks:3000")
+        }
+
+        val storeKit = AppConfig.from(enabled).storeKit
+        storeKit.enabled shouldBe true
+        storeKit.appAppleId shouldBe 6_781_553_267
+        storeKit.products.map { it.productId to it.credits } shouldBe listOf(
+            "500tks" to 500,
+            "1500tks" to 1_500,
+            "3000tks" to 3_000,
+        )
+    }
+
+    test("StoreKit rejects duplicate product mappings") {
+        val config = validProductionConfig().apply {
+            put("app.storeKit.enabled", "true")
+            put("app.storeKit.appAppleId", "6781553267")
+            put("app.storeKit.products", "500tks:500,500tks:3000")
+        }
+
+        shouldThrow<ConfigValidationException> {
+            AppConfig.from(config)
+        }.message.orEmpty() shouldContain "duplicate product IDs"
+    }
+
     test("production fails fast when Apple signing credentials are missing") {
         val config = validProductionConfig().apply {
             put("app.apple.keyId", "")