Refactor GitLab CI: Add reusable Flutter job template and optimize pipeline structure.

finlog_app/.gitlab-ci.yml

@@ -1,4 +1,8 @@
-default:
+stages:
+  - prepare
+  - test
+
+.flutter_job: # Hidden Template
   image: ghcr.io/cirruslabs/flutter:3.35.4
   variables:
     PUB_CACHE: "$CI_PROJECT_DIR/.pub-cache"
@@ -10,30 +14,30 @@ default:
       - finlog_app/.dart_tool/
       - finlog_app/app/.dart_tool/
       - finlog_app/fluttery/.dart_tool/
-
-stages:
-  - prepare
-  - test
+  before_script:
+    - cd finlog_app
+    - flutter --version
 
 # 1) Einmal pub get im Workspace-Root
 prepare_flutter_workspace:
   stage: prepare
+  extends: .flutter_job
   script:
-    - cd finlog_app
-    - flutter --version
     - flutter pub get
 
-# 2) Tests PARALLEL (beide hängen nur von prepare ab)
+# 2) Tests parallel (beide brauchen nur prepare)
 fluttery_test:
   stage: test
+  extends: .flutter_job
   needs: [ "prepare_flutter_workspace" ]
   script:
-    - cd finlog_app/fluttery
+    - cd fluttery
     - flutter test
 
 app_test:
   stage: test
+  extends: .flutter_job
   needs: [ "prepare_flutter_workspace" ]
   script:
-    - cd finlog_app/app
+    - cd app
     - flutter test