1.1.4 (50): TestFlight upload — switch to ASC API key auth

Build 50 uploaded to TestFlight. Also migrates Fastfile from
Apple ID + app-specific-password to App Store Connect API key
(via pass) to avoid session expiry on future uploads.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

fastlane/Fastfile

@@ -1,9 +1,7 @@
 default_platform(:ios)
 
-# Credentials are managed via `pass` (GPG + Gitea).
-# Usage: pass show apple/mealmood/<key>
-# Required before running lanes:
-#   export FASTLANE_APPLE_APPLICATION_SPECIFIC_PASSWORD=$(pass show apple/mealmood/app-specific-password-fastlane)
+# Credentials: App Store Connect API key via `pass`.
+# The api_key block uses the key inline — no session/2FA needed.
 
 platform :ios do
   EXPORT_OPTIONS = {
@@ -16,6 +14,15 @@ platform :ios do
     }
   }
 
+  def asc_api_key
+    app_store_connect_api_key(
+      key_id:      `pass show appstore/api-key-id`.strip,
+      issuer_id:   `pass show appstore/issuer-id`.strip,
+      key_content: `pass show appstore/api-key-p8`.strip,
+      in_house:    false
+    )
+  end
+
   desc "Push a new beta build to TestFlight"
   lane :beta do
     increment_build_number(xcodeproj: "MealMood.xcodeproj")
@@ -25,7 +32,10 @@ platform :ios do
       sdk: "iphoneos26.5",
       export_options: EXPORT_OPTIONS
     )
-    upload_to_testflight(skip_waiting_for_build_processing: true)
+    upload_to_testflight(
+      api_key: asc_api_key,
+      skip_waiting_for_build_processing: true
+    )
   end
 
   desc "Push a new release build to the App Store"
@@ -36,6 +46,9 @@ platform :ios do
       sdk: "iphoneos26.5",
       export_options: EXPORT_OPTIONS
     )
-    upload_to_app_store(force: true)
+    upload_to_app_store(
+      api_key: asc_api_key,
+      force: true
+    )
   end
 end