use keychain value rather than env value as key for ai gen

Author: iamgabrielma

Modules/Sources/NetworkingCore/Settings/WooConstants.swift

@@ -15,4 +15,7 @@ public enum WooConstants {
 
     /// Slug of the free trial WooExpress plan
     public static let freeTrialPlanSlug = "ecommerce-trial-bundle-monthly"
+
+    /// Keychain Access's Key for merchant AI provider API key
+    public static let merchantAIProviderKey = "merchantAIProviderKey"
 }

Modules/Sources/Yosemite/Extensions/Keychain+Extensions.swift

@@ -0,0 +1,11 @@
+import KeychainAccess
+import NetworkingCore
+
+extension Keychain {
+    /// AI key provided by the merchant
+    ///
+    var merchantAIProviderKey: String? {
+        get { self[WooConstants.merchantAIProviderKey] }
+        set { self[WooConstants.merchantAIProviderKey] = newValue }
+    }
+}

Modules/Sources/Yosemite/Stores/ProductStore.swift

@@ -1,5 +1,7 @@
 import Foundation
+import KeychainAccess
 import Networking
+import NetworkingCore
 import Storage
 
 // MARK: - ProductStore
@@ -604,8 +606,8 @@ private extension ProductStore {
                 completion(result)
             case .merchant:
                 let result = await Result {
-                    // Temporary. This will come from the KeyChain rather than the environment
-                    let key = ProcessInfo.processInfo.environment["openai-debug-api-key"] ?? "api key not found"
+                    let keychain = Keychain(service: WooConstants.keychainServiceName)
+                    let key = keychain.merchantAIProviderKey ?? ""
                     return try await MerchantGenerativeContentRemote(apiKey: key).identifyLanguage(siteID: siteID,
                                                                                                    string: string,
                                                                                                    feature: feature)
@@ -768,7 +770,8 @@ private extension ProductStore {
                 completion(result)
             case .merchant:
                 let result = await Result {
-                    let key = ProcessInfo.processInfo.environment["openai-debug-api-key"] ?? "api key not found"
+                    let keychain = Keychain(service: WooConstants.keychainServiceName)
+                    let key = keychain.merchantAIProviderKey ?? ""
                     return try await MerchantGenerativeContentRemote(apiKey: key).generateAIProduct(siteID: siteID,
                                                                                                     productName: productName,
                                                                                                     keywords: keywords,