diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index df24c2b9f..f967c40f9 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -1,4 +1,4 @@
-name: Linting with biomejs
+name: Linting backend
 
 on: push
 
@@ -14,6 +14,7 @@ jobs:
       dht-node: ${{ steps.dht-node.outputs.success }}
       dlt-connector: ${{ steps.dlt-connector.outputs.success }}
       federation: ${{ steps.federation.outputs.success }}
+    name: Linting backend modules
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -68,68 +69,4 @@ jobs:
         run: |
           cd ./federation 
           biome ci .
-          echo "success=$([ $? -eq 0 ] && echo true || echo false)" >> $GITHUB_OUTPUT
-
-  lint_config_schema:
-    name: Lint - Config-Schema
-    needs: lint
-    runs-on: ubuntu-latest
-    steps:
-      - name: Check result from previous step
-        run: if [ "${{ needs.lint.outputs.config-schema }}" != "true" ]; then exit 1; fi
-  
-  lint_shared:
-    name: Lint - Shared
-    needs: lint
-    runs-on: ubuntu-latest
-    steps:
-      - name: Check result from previous step
-        run: if [ "${{ needs.lint.outputs.shared }}" != "true" ]; then exit 1; fi
-
-  lint_core:
-    name: Lint - Core
-    needs: lint
-    runs-on: ubuntu-latest
-    steps:
-      - name: Check result from previous step
-        run: if [ "${{ needs.lint.outputs.core }}" != "true" ]; then exit 1; fi
-  
-  lint_backend:
-    name: Lint - Backend
-    needs: lint
-    runs-on: ubuntu-latest
-    steps:
-      - name: Check result from previous step
-        run: if [ "${{ needs.lint.outputs.backend }}" != "true" ]; then exit 1; fi
-
-  lint_database:
-    name: Lint - Database Up
-    needs: lint
-    runs-on: ubuntu-latest
-    steps:
-      - name: Check result from previous step
-        run: if [ "${{ needs.lint.outputs.database }}" != "true" ]; then exit 1; fi
-
-  lint_dht_node:
-    name: Lint - DHT Node
-    needs: lint
-    runs-on: ubuntu-latest
-    steps:
-      - name: Check result from previous step
-        run: if [ "${{ needs.lint.outputs.dht-node }}" != "true" ]; then exit 1; fi
-
-  lint_dlt_connector:
-    name: Lint - DLT Connector
-    needs: lint
-    runs-on: ubuntu-latest
-    steps:
-      - name: Check result from previous step
-        run: if [ "${{ needs.lint.outputs.dlt-connector }}" != "true" ]; then exit 1; fi
-
-  lint_federation:
-    name: Lint - Federation
-    needs: lint
-    runs-on: ubuntu-latest
-    steps:
-      - name: Check result from previous step
-        run: if [ "${{ needs.lint.outputs.federation }}" != "true" ]; then exit 1; fi
\ No newline at end of file
+          echo "success=$([ $? -eq 0 ] && echo true || echo false)" >> $GITHUB_OUTPUT
\ No newline at end of file
diff --git a/.github/workflows/test_admin_interface.yml b/.github/workflows/test_admin_interface.yml
index 5e66d56fa..f27220480 100644
--- a/.github/workflows/test_admin_interface.yml
+++ b/.github/workflows/test_admin_interface.yml
@@ -36,9 +36,9 @@ jobs:
       - name: Admin Interface | Build 'test' image
         run: docker build -f ./admin/Dockerfile --target production -t "gradido/admin:production" --build-arg NODE_ENV="production" --build-arg BUILD_COMMIT=$(git rev-parse HEAD) --build-arg BUILD_COMMIT_SHORT=$(git rev-parse --short HEAD) .
 
-  unit_test:
+  unit_test_lint:
     if: needs.files-changed.outputs.config == 'true' || needs.files-changed.outputs.admin == 'true'
-    name: Unit Tests - Admin Interface
+    name: Unit Tests & Lint & Stylelint & Locales - Admin Interface
     needs: files-changed
     runs-on: ubuntu-latest
     outputs:
@@ -65,39 +65,4 @@ jobs:
       - name: Admin Interface | Unit tests
         id: test
         run: |
-          turbo admin#test admin#lint
-          echo "success=$([ $? -eq 0 ] && echo true || echo false)" >> $GITHUB_OUTPUT
-
-  lint:
-    name: Lint - Admin Interface
-    needs: unit_test
-    runs-on: ubuntu-latest
-    steps:
-      - name: Check result from previous step
-        run: if [ "${{ needs.unit_test.outputs.test-success }}" != "true" ]; then exit 1; fi
-
-  stylelint:
-    name: Stylelint - Admin Interface
-    needs: unit_test
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v3
-
-      - name: Check result from previous step
-        run: if [ "${{ needs.unit_test.outputs.test-success }}" != "true" ]; then exit 1; fi
-
-  locales:
-    if: needs.files-changed.outputs.admin == 'true'
-    name: Locales - Admin Interface
-    needs: files-changed
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v3
-        
-      - name: install bun 
-        uses: oven-sh/setup-bun@v2
-
-      - name: Admin Interface | Locales
-        run: cd admin && bun locales
\ No newline at end of file
+          turbo admin#test admin#lint admin#locales
\ No newline at end of file
diff --git a/.github/workflows/test_backend.yml b/.github/workflows/test_backend.yml
index 4098e8ae6..f4e2b822f 100644
--- a/.github/workflows/test_backend.yml
+++ b/.github/workflows/test_backend.yml
@@ -39,7 +39,7 @@ jobs:
 
   unit_test:
     if: needs.files-changed.outputs.backend == 'true' || needs.files-changed.outputs.database == 'true' || needs.files-changed.outputs.docker-compose == 'true' || needs.files-changed.outputs.mariadb == 'true' || needs.files-changed.outputs.config == 'true' || needs.files-changed.outputs.core == 'true' || needs.files-changed.outputs.shared == 'true'
-    name: Unit tests - Backend
+    name: Unit tests & Typecheck & Build - Backend
     needs: files-changed
     runs-on: ubuntu-latest
     steps:
@@ -65,31 +65,4 @@ jobs:
           bun install --global --no-save turbo@^2
 
       - name: Backend | Unit tests
-        run: turbo backend#test
-
-  typecheck:
-    if: needs.files-changed.outputs.backend == 'true' || needs.files-changed.outputs.core == 'true' || needs.files-changed.outputs.shared == 'true' || needs.files-changed.outputs.database == 'true' || needs.files-changed.outputs.config == 'true'
-    name: Typecheck - Backend
-    needs: files-changed
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v3
-
-      - name: Set Node.js version
-        uses: actions/setup-node@v4
-        with:
-          node-version: '18.20.7'
-
-      - name: install bun 
-        uses: oven-sh/setup-bun@v2
-        with:
-          bun-version-file: '.bun-version'
-
-      - name: install dependencies
-        run: |
-          bun install --filter backend --frozen-lockfile
-          bun install --global --no-save turbo@^2
-
-      - name: Backend | Typecheck
-        run: turbo backend#typecheck backend#build
\ No newline at end of file
+        run: turbo backend#test backend#typecheck backend#build
\ No newline at end of file
diff --git a/.github/workflows/test_config.yml b/.github/workflows/test_config.yml
deleted file mode 100644
index 3a293d763..000000000
--- a/.github/workflows/test_config.yml
+++ /dev/null
@@ -1,45 +0,0 @@
-name: Gradido Config Schema Test CI
-
-on: push
-
-jobs:
-  files-changed:
-    name: Detect File Changes - Config-Schema
-    runs-on: ubuntu-latest
-    outputs:
-      config: ${{ steps.changes.outputs.config }}
-      docker-compose: ${{ steps.changes.outputs.docker-compose }}
-    steps:
-      - uses: actions/checkout@v3.3.0
-
-      - name: Check for config-schema file changes
-        uses: dorny/paths-filter@v2.11.1
-        id: changes
-        with:
-          token: ${{ github.token }}
-          filters: .github/file-filters.yml
-          list-files: shell
-
-  build:
-    name: Unit Tests, typecheck - Config-Schema
-    if: needs.files-changed.outputs.config == 'true' || needs.files-changed.outputs.docker-compose == 'true'
-    needs: files-changed
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v3
-        
-      - name: install bun 
-        uses: oven-sh/setup-bun@v2
-        with:
-          bun-version-file: '.bun-version'
-
-      - name: install dependencies
-        run: bun install --filter config-schema --frozen-lockfile
-
-      - name: typecheck
-        run: cd config-schema && bun run typecheck
-
-      - name: unit tests
-        run: cd config-schema && bun run test
-
diff --git a/.github/workflows/test_database.yml b/.github/workflows/test_database.yml
index 51bad45dc..d8a2cbdda 100644
--- a/.github/workflows/test_database.yml
+++ b/.github/workflows/test_database.yml
@@ -36,7 +36,7 @@ jobs:
 
   database_migration_test:
     if: needs.files-changed.outputs.database == 'true' || needs.files-changed.outputs.docker-compose == 'true' || needs.files-changed.outputs.mariadb == 'true' || needs.files-changed.outputs.shared == 'true'
-    name: Database Migration Test - Up + Reset
+    name: Database Migration Test & Build & Typecheck - Up + Reset
     needs: files-changed
     runs-on: ubuntu-latest
     steps:
@@ -62,29 +62,7 @@ jobs:
           bun install --global --no-save turbo@^2
 
       - name: Database | up + test
-        run: turbo database#test
+        run: turbo database#test database#build database#typecheck
       
       - name: Database | reset
-        run: turbo database#reset
-
-  lint:
-    if: needs.files-changed.outputs.database == 'true'
-    name: Lint - Database Up
-    needs: files-changed
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v3
-
-      - name: install bun 
-        uses: oven-sh/setup-bun@v2
-        with:
-          bun-version-file: '.bun-version'
-
-      - name: install dependencies
-        run: |
-          bun install --filter database --frozen-lockfile
-          bun install --global turbo@^2
-
-      - name: Database | build & typecheck
-        run: turbo database#build database#typecheck
\ No newline at end of file
+        run: turbo database#reset
\ No newline at end of file
diff --git a/.github/workflows/test_dht_node.yml b/.github/workflows/test_dht_node.yml
index f2288f82c..6da96d2c7 100644
--- a/.github/workflows/test_dht_node.yml
+++ b/.github/workflows/test_dht_node.yml
@@ -35,7 +35,7 @@ jobs:
         run: docker build --target production -t "gradido/dht-node:production" -f dht-node/Dockerfile .
 
   unit_test:
-    name: Unit Tests - DHT Node
+    name: Unit Tests & Typecheck & Build - DHT Node
     if: needs.files-changed.outputs.config == 'true' || needs.files-changed.outputs.database == 'true' || needs.files-changed.outputs.dht_node == 'true' || needs.files-changed.outputs.docker-compose == 'true'
     needs: files-changed
     runs-on: ubuntu-latest
diff --git a/.github/workflows/test_dlt_connector.yml b/.github/workflows/test_dlt_connector.yml
index 791d92586..8c752e32b 100644
--- a/.github/workflows/test_dlt_connector.yml
+++ b/.github/workflows/test_dlt_connector.yml
@@ -44,7 +44,7 @@ jobs:
         run: docker build --target production -t "gradido/dlt-connector:productionTest" -f dlt-connector/Dockerfile .
 
   unit_test:
-    name: Unit Tests - DLT Connector
+    name: Unit Tests & Typecheck & Build - DLT Connector
     if: needs.files-changed.outputs.dlt_connector == 'true' || needs.files-changed.outputs.docker-compose == 'true'
     needs: [files-changed, build]
     runs-on: ubuntu-latest
diff --git a/.github/workflows/test_federation.yml b/.github/workflows/test_federation.yml
index b462151e7..5dbf76a3e 100644
--- a/.github/workflows/test_federation.yml
+++ b/.github/workflows/test_federation.yml
@@ -35,7 +35,7 @@ jobs:
         run: docker build --target production -t "gradido/federation:production" -f federation/Dockerfile .
 
   unit_test:
-    name: Unit Tests - Federation
+    name: Unit Tests & Typecheck & Build - Federation
     if: needs.files-changed.outputs.database == 'true' || needs.files-changed.outputs.docker-compose == 'true' || needs.files-changed.outputs.federation == 'true' || needs.files-changed.outputs.mariadb == 'true'
     needs: files-changed
     runs-on: ubuntu-latest
diff --git a/.github/workflows/test_frontend.yml b/.github/workflows/test_frontend.yml
index c3ae3732e..96343f643 100644
--- a/.github/workflows/test_frontend.yml
+++ b/.github/workflows/test_frontend.yml
@@ -38,7 +38,7 @@ jobs:
 
   unit_test:
     if: needs.files-changed.outputs.config == 'true' || needs.files-changed.outputs.frontend == 'true'
-    name: Unit Tests - Frontend
+    name: Unit Tests & Lint & Stylelint & Locales - Frontend
     needs: files-changed
     runs-on: ubuntu-latest
     steps:
@@ -55,64 +55,11 @@ jobs:
         with:
           bun-version-file: '.bun-version'
 
-      - name: install dependencies
-        run: bun install --filter frontend --frozen-lockfile
-
-      - name: Frontend | Unit tests
-        run: cd frontend && bun run test
-
-  lint:
-    if: needs.files-changed.outputs.config == 'true' || needs.files-changed.outputs.frontend == 'true'
-    name: Lint - Frontend
-    needs: files-changed
-    runs-on: ubuntu-latest
-    outputs:
-      success: ${{ steps.lint.outputs.success }}
-    steps:
-      - name: Set Node.js version
-        uses: actions/setup-node@v4
-        with:
-          node-version: '18.20.7'
-
-      - name: Checkout code
-        uses: actions/checkout@v4
-      
-      - name: install bun 
-        uses: oven-sh/setup-bun@v2
-        with:
-          bun-version-file: '.bun-version'
-      
       - name: install dependencies
         run: |
           bun install --filter frontend --frozen-lockfile
           bun install --global --no-save turbo@^2
 
-      - name: Frontend | Lint
-        id: lint
-        run: |
-          turbo frontend#lint
-          echo "success=$([ $? -eq 0 ] && echo true || echo false)" >> $GITHUB_OUTPUT
+      - name: Frontend | Unit tests
+        run: turbo frontend#test frontend#lint frontend#locales
 
-  stylelint:
-    if: needs.files-changed.outputs.frontend == 'true'
-    name: Stylelint - Frontend
-    needs: [files-changed, lint]
-    runs-on: ubuntu-latest
-    steps:
-      - name: Check result from previous step
-        run: if [ "${{ needs.lint.outputs.success }}" != "true" ]; then exit 1; fi
-
-  locales:
-    if: needs.files-changed.outputs.frontend == 'true'
-    name: Locales - Frontend
-    needs: files-changed
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v3
-        
-      - name: install bun 
-        uses: oven-sh/setup-bun@v2
-
-      - name: Frontend | Locales
-        run: cd frontend && bun run locales
diff --git a/.github/workflows/test_nginx.yml b/.github/workflows/test_nginx.yml
deleted file mode 100644
index 146e7a117..000000000
--- a/.github/workflows/test_nginx.yml
+++ /dev/null
@@ -1,32 +0,0 @@
-name: Gradido Nginx Test CI
-
-on: push
-
-jobs:
-  files-changed:
-    name: Detect File Changes - Nginx
-    runs-on: ubuntu-latest
-    outputs:
-      nginx: ${{ steps.changes.outputs.nginx }}
-    steps:
-      - uses: actions/checkout@v3.3.0
-
-      - name: Check for nginx file changes
-        uses: dorny/paths-filter@v2.11.1
-        id: changes
-        with:
-          token: ${{ github.token }}
-          filters: .github/file-filters.yml
-          list-files: shell
-
-  build_test_nginx:
-    name: Docker Build Test - Nginx
-    if: needs.files-changed.outputs.nginx == 'true'
-    needs: files-changed
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v3
-
-      - name: nginx | Build 'test' image
-        run: docker build -t "gradido/nginx:test" nginx/
diff --git a/.github/workflows/test_shared.yml b/.github/workflows/test_shared.yml
deleted file mode 100644
index 7b4701b3e..000000000
--- a/.github/workflows/test_shared.yml
+++ /dev/null
@@ -1,44 +0,0 @@
-name: Gradido Shared Test CI
-
-on: push
-
-jobs:
-  files-changed:
-    name: Detect File Changes - Shared
-    runs-on: ubuntu-latest
-    outputs:
-      shared: ${{ steps.changes.outputs.shared }}
-    steps:
-      - uses: actions/checkout@v3.3.0
-
-      - name: Check for shared file changes
-        uses: dorny/paths-filter@v2.11.1
-        id: changes
-        with:
-          token: ${{ github.token }}
-          filters: .github/file-filters.yml
-          list-files: shell
-
-  build:
-    name: Unit Tests, typecheck - Shared
-    if: needs.files-changed.outputs.shared == 'true'
-    needs: files-changed
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v3
-
-      - name: install bun 
-        uses: oven-sh/setup-bun@v2
-        with:
-          bun-version-file: '.bun-version'
-
-      - name: install dependencies
-        run: bun install --filter shared --frozen-lockfile
-
-      - name: typecheck
-        run: cd shared && bun run typecheck
-
-      - name: unit tests
-        run: cd shared && bun run test
-
diff --git a/.github/workflows/test_core.yml b/.github/workflows/test_submodules.yml
similarity index 61%
rename from .github/workflows/test_core.yml
rename to .github/workflows/test_submodules.yml
index f3857e2ae..cbdfd16a2 100644
--- a/.github/workflows/test_core.yml
+++ b/.github/workflows/test_submodules.yml
@@ -1,15 +1,16 @@
-name: Gradido Core Test CI
+name: Gradido Submodules Test CI
 
 on: push
 
 jobs:
   files-changed:
-    name: Detect File Changes - Core
+    name: Detect File Changes - Submodules
     runs-on: ubuntu-latest
     outputs:
       core: ${{ steps.changes.outputs.core }}
       database: ${{ steps.changes.outputs.database }}
       shared: ${{ steps.changes.outputs.shared }}
+      config: ${{ steps.changes.outputs.config }}
     steps:
       - uses: actions/checkout@v3.3.0
 
@@ -22,39 +23,27 @@ jobs:
           list-files: shell
 
   build:
-    name: Unit Tests, typecheck - Core
-    if: needs.files-changed.outputs.core == 'true' || needs.files-changed.outputs.database == 'true' || needs.files-changed.outputs.shared == 'true'
+    name: Unit Tests & Typecheck & Build - Submodules
+    if: needs.files-changed.outputs.core == 'true' || needs.files-changed.outputs.database == 'true' || needs.files-changed.outputs.shared == 'true' || needs.files-changed.outputs.config == 'true'
     needs: files-changed
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v5
         
       - name: install bun 
         uses: oven-sh/setup-bun@v2
         with:
           bun-version-file: '.bun-version'
 
+      - name: Database & redis for tests using database and/or redis-semaphore
+        run: docker compose -f docker-compose.yml -f docker-compose.test.yml up --detach mariadb redis
+
       - name: install dependencies
         run: |
           bun install --filter core --frozen-lockfile
           bun install --global turbo@^2
 
-      - name: typecheck && unit test
-        run: turbo core#test core#typecheck
-
-  locales:
-    if: needs.files-changed.outputs.core == 'true'
-    name: Locales - Core
-    needs: files-changed
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v3
-        
-      - name: install bun 
-        uses: oven-sh/setup-bun@v2
-
-      - name: Core | Locales
-        run: cd core && bun locales
+      - name: typecheck, locales && unit test
+        run: turbo core#test core#typecheck core#locales database#test database#typecheck shared#test shared#typecheck config-schema#test config-schema#typecheck
 
diff --git a/bun.lock b/bun.lock
index 2d192ec1f..4e45e053b 100644
--- a/bun.lock
+++ b/bun.lock
@@ -8,7 +8,6 @@
         "auto-changelog": "^2.4.0",
         "cross-env": "^7.0.3",
         "jose": "^4.14.4",
-        "redis-semaphore": "^5.6.2",
         "turbo": "^2.5.0",
         "uuid": "^8.3.2",
       },
@@ -20,7 +19,7 @@
     },
     "admin": {
       "name": "admin",
-      "version": "2.7.2",
+      "version": "2.7.3",
       "dependencies": {
         "@iconify/json": "^2.2.228",
         "@popperjs/core": "^2.11.8",
@@ -90,7 +89,7 @@
     },
     "backend": {
       "name": "backend",
-      "version": "2.7.2",
+      "version": "2.7.3",
       "dependencies": {
         "cross-env": "^7.0.3",
         "email-templates": "^10.0.1",
@@ -166,7 +165,7 @@
     },
     "config-schema": {
       "name": "config-schema",
-      "version": "2.7.2",
+      "version": "2.7.3",
       "dependencies": {
         "esbuild": "^0.25.2",
         "joi": "17.13.3",
@@ -184,7 +183,7 @@
     },
     "core": {
       "name": "core",
-      "version": "2.7.2",
+      "version": "2.7.3",
       "dependencies": {
         "database": "*",
         "email-templates": "^10.0.1",
@@ -221,7 +220,7 @@
     },
     "database": {
       "name": "database",
-      "version": "2.7.2",
+      "version": "2.7.3",
       "dependencies": {
         "@types/uuid": "^8.3.4",
         "cross-env": "^7.0.3",
@@ -255,7 +254,7 @@
     },
     "dht-node": {
       "name": "dht-node",
-      "version": "2.7.2",
+      "version": "2.7.3",
       "dependencies": {
         "cross-env": "^7.0.3",
         "dht-rpc": "6.18.1",
@@ -293,7 +292,7 @@
     },
     "federation": {
       "name": "federation",
-      "version": "2.7.2",
+      "version": "2.7.3",
       "dependencies": {
         "cross-env": "^7.0.3",
         "email-templates": "^10.0.1",
@@ -353,7 +352,7 @@
     },
     "frontend": {
       "name": "frontend",
-      "version": "2.7.2",
+      "version": "2.7.3",
       "dependencies": {
         "@morev/vue-transitions": "^3.0.2",
         "@types/leaflet": "^1.9.12",
@@ -449,7 +448,7 @@
     },
     "shared": {
       "name": "shared",
-      "version": "2.7.2",
+      "version": "2.7.3",
       "dependencies": {
         "decimal.js-light": "^2.5.1",
         "esbuild": "^0.25.2",