diff --git a/.github/workflows/pull_request.yml b/.github/workflows/pull_request.yml
index 08209f832..4196b5449 100644
--- a/.github/workflows/pull_request.yml
+++ b/.github/workflows/pull_request.yml
@@ -1,4 +1,4 @@
-on: [pull_request]
+on: [ pull_request ]
 
 name: Check pull request
 
@@ -10,272 +10,11 @@ env:
   SENTRY_DSN: 'https://public_key@example.com/project_id'
 
 jobs:
-  check-codestyle:
-    runs-on: ubuntu-latest
-    steps:
-    - name: Checkout repository
-      uses: actions/checkout@v3.1.0
-      with:
-        fetch-depth: 0
-
-    - name: Check if relevant files have changed
-      uses: actions/github-script@v6.3.3
-      id: service-changed
-      with:
-        result-encoding: string
-        script: |
-          const script = require('.github/check-changed-files.js')
-          return await script({github, context})
-
-    - name: Set up JDK
-      if: "${{ steps.service-changed.outputs.result == 'true' }}"
-      uses: actions/setup-java@v3.6.0
-      with:
-        distribution: temurin
-        java-version: 18
-
-    - name: Copy CI gradle.properties
-      if: "${{ steps.service-changed.outputs.result == 'true' }}"
-      run: mkdir -p ~/.gradle ; cp .github/ci-gradle.properties ~/.gradle/gradle.properties
-
-    - name: Check codestyle
-      if: "${{ steps.service-changed.outputs.result == 'true' }}"
-      uses: gradle/gradle-build-action@v2.3.3
-      with:
-        arguments: ktfmtCheck
-        gradle-home-cache-cleanup: true
-
-    - name: Upload Kotlin build report
-      if: "${{ always() }}"
-      uses: actions/upload-artifact@v3.1.1
-      with:
-        name: Build report
-        path: build/reports/kotlin-build/
-
-  unit-tests:
-    runs-on: ubuntu-latest
-    steps:
-    - name: Checkout repository
-      uses: actions/checkout@v3.1.0
-      with:
-        fetch-depth: 0
-
-    - name: Check if relevant files have changed
-      uses: actions/github-script@v6.3.3
-      id: service-changed
-      with:
-        result-encoding: string
-        script: |
-          const script = require('.github/check-changed-files.js')
-          return await script({github, context})
-
-    - name: Set up JDK
-      if: "${{ steps.service-changed.outputs.result == 'true' }}"
-      uses: actions/setup-java@v3.6.0
-      with:
-        distribution: temurin
-        java-version: 18
-
-    - name: Copy CI gradle.properties
-      if: "${{ steps.service-changed.outputs.result == 'true' }}"
-      run: mkdir -p ~/.gradle ; cp .github/ci-gradle.properties ~/.gradle/gradle.properties
-
-    - name: Run unit tests
-      if: "${{ steps.service-changed.outputs.result == 'true' }}"
-      uses: gradle/gradle-build-action@v2.3.3
-      with:
-        arguments: test -PslimTests
-        gradle-home-cache-cleanup: true
-
-    - name: (Fail-only) Upload test report
-      if: "${{ failure() }}"
-      uses: actions/upload-artifact@v3.1.1
-      with:
-          name: Test report
-          path: app/build/reports
-
-    - name: Upload Kotlin build report
-      if: "${{ always() }}"
-      uses: actions/upload-artifact@v3.1.1
-      with:
-        name: Build report
-        path: build/reports/kotlin-build/
-
-  build-apks:
-    runs-on: ubuntu-latest
-    steps:
-    - name: Checkout repository
-      uses: actions/checkout@v3.1.0
-      with:
-        fetch-depth: 0
-
-    - name: Check if relevant files have changed
-      uses: actions/github-script@v6.3.3
-      id: service-changed
-      with:
-        result-encoding: string
-        script: |
-          const script = require('.github/check-changed-files.js')
-          return await script({github, context})
-
-    - name: Set up JDK
-      if: "${{ steps.service-changed.outputs.result == 'true' }}"
-      uses: actions/setup-java@v3.6.0
-      with:
-        distribution: temurin
-        java-version: 18
-
-    - name: Copy CI gradle.properties
-      if: "${{ steps.service-changed.outputs.result == 'true' }}"
-      run: mkdir -p ~/.gradle ; cp .github/ci-gradle.properties ~/.gradle/gradle.properties
-
-    - name: Build debug APKs
-      if: "${{ steps.service-changed.outputs.result == 'true' }}"
-      uses: gradle/gradle-build-action@v2.3.3
-      with:
-        arguments: assembleFreeDebug assembleNonFreeDebug
-        gradle-home-cache-cleanup: true
-
-    - name: Upload Kotlin build report
-      if: "${{ always() }}"
-      uses: actions/upload-artifact@v3.1.1
-      with:
-        name: Build report
-        path: build/reports/kotlin-build/
-
-  check-api:
-    runs-on: ubuntu-latest
-    steps:
-    - name: Checkout repository
-      uses: actions/checkout@v3.1.0
-      with:
-        fetch-depth: 0
-
-    - name: Check if relevant files have changed
-      uses: actions/github-script@v6.3.3
-      id: service-changed
-      with:
-        result-encoding: string
-        script: |
-          const script = require('.github/check-changed-files.js')
-          return await script({github, context})
-
-    - name: Set up JDK
-      if: "${{ steps.service-changed.outputs.result == 'true' }}"
-      uses: actions/setup-java@v3.6.0
-      with:
-        distribution: temurin
-        java-version: 18
-
-    - name: Copy CI gradle.properties
-      if: "${{ steps.service-changed.outputs.result == 'true' }}"
-      run: mkdir -p ~/.gradle ; cp .github/ci-gradle.properties ~/.gradle/gradle.properties
-
-    - name: Check library API
-      if: "${{ steps.service-changed.outputs.result == 'true' }}"
-      uses: gradle/gradle-build-action@v2.3.3
-      with:
-        arguments: metalavaCheckCompatibilityRelease
-        gradle-home-cache-cleanup: true
-
-    - name: Upload Kotlin build report
-      if: "${{ always() }}"
-      uses: actions/upload-artifact@v3.1.1
-      with:
-        name: Build report
-        path: build/reports/kotlin-build/
-
-  lint-debug:
-    runs-on: ubuntu-latest
-    steps:
-    - name: Checkout repository
-      uses: actions/checkout@v3.1.0
-      with:
-        fetch-depth: 0
-
-    - name: Check if relevant files have changed
-      uses: actions/github-script@v6.3.3
-      id: service-changed
-      with:
-        result-encoding: string
-        script: |
-          const script = require('.github/check-changed-files.js')
-          return await script({github, context})
-
-    - name: Set up JDK
-      if: "${{ steps.service-changed.outputs.result == 'true' }}"
-      uses: actions/setup-java@v3.6.0
-      with:
-        distribution: temurin
-        java-version: 18
-
-    - name: Copy CI gradle.properties
-      if: "${{ steps.service-changed.outputs.result == 'true' }}"
-      run: mkdir -p ~/.gradle ; cp .github/ci-gradle.properties ~/.gradle/gradle.properties
-
-    - name: Run Lint on debug variants
-      if: "${{ steps.service-changed.outputs.result == 'true' }}"
-      uses: gradle/gradle-build-action@v2.3.3
-      with:
-        arguments: lintDebug
-        gradle-home-cache-cleanup: true
-
-    - name: Upload Kotlin build report
-      if: "${{ always() }}"
-      uses: actions/upload-artifact@v3.1.1
-      with:
-        name: Build report
-        path: build/reports/kotlin-build/
-
-  assemble-release-apks:
-    runs-on: ubuntu-latest
-    steps:
-    - name: Checkout repository
-      uses: actions/checkout@v3.1.0
-      with:
-        fetch-depth: 0
-
-    - name: Check if relevant files have changed
-      uses: actions/github-script@v6.3.3
-      id: service-changed
-      with:
-        result-encoding: string
-        script: |
-          const script = require('.github/check-changed-files.js')
-          return await script({github, context})
-
-    - name: Set up JDK
-      if: "${{ steps.service-changed.outputs.result == 'true' }}"
-      uses: actions/setup-java@v3.6.0
-      with:
-        distribution: temurin
-        java-version: 18
-
-    - name: Copy CI gradle.properties
-      if: "${{ steps.service-changed.outputs.result == 'true' }}"
-      run: mkdir -p ~/.gradle ; cp .github/ci-gradle.properties ~/.gradle/gradle.properties
-
-    - name: Assemble non-free release
-      if: "${{ steps.service-changed.outputs.result == 'true' }}"
-      uses: gradle/gradle-build-action@v2.3.3
-      with:
-        arguments: aNFR
-        gradle-home-cache-cleanup: true
-
-    - name: Upload Kotlin build report
-      if: "${{ always() }}"
-      uses: actions/upload-artifact@v3.1.1
-      with:
-        name: Build report
-        path: build/reports/kotlin-build/
-
-  detekt:
+  check-changed-files:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
         uses: actions/checkout@v3.1.0
-        with:
-          fetch-depth: 0
 
       - name: Check if relevant files have changed
         uses: actions/github-script@v6.3.3
@@ -286,19 +25,223 @@ jobs:
             const script = require('.github/check-changed-files.js')
             return await script({github, context})
 
+      - name: Fail if no files changed
+        if: "${{ steps.service-changed.outputs.result != 'true' }}"
+        shell: bash
+        run: exit 1
+
+  check-codestyle:
+    needs: [ "check-changed-files" ]
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3.1.0
+        with:
+          fetch-depth: 0
+
+      - name: Set up JDK
+        uses: actions/setup-java@v3.6.0
+        with:
+          distribution: temurin
+          java-version: 18
+
+      - name: Copy CI gradle.properties
+        run: mkdir -p ~/.gradle ; cp .github/ci-gradle.properties ~/.gradle/gradle.properties
+
+      - name: Check codestyle
+        uses: gradle/gradle-build-action@v2.3.3
+        with:
+          arguments: ktfmtCheck
+          gradle-home-cache-cleanup: true
+
+      - name: Upload Kotlin build report
+        if: "${{ always() }}"
+        uses: actions/upload-artifact@v3.1.1
+        with:
+          name: Build report
+          path: build/reports/kotlin-build/
+
+  unit-tests:
+    needs: [ "check-changed-files" ]
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3.1.0
+        with:
+          fetch-depth: 0
+
+      - name: Set up JDK
+        uses: actions/setup-java@v3.6.0
+        with:
+          distribution: temurin
+          java-version: 18
+
+      - name: Copy CI gradle.properties
+        run: mkdir -p ~/.gradle ; cp .github/ci-gradle.properties ~/.gradle/gradle.properties
+
+      - name: Run unit tests
+        uses: gradle/gradle-build-action@v2.3.3
+        with:
+          arguments: test -PslimTests
+          gradle-home-cache-cleanup: true
+
+      - name: (Fail-only) Upload test report
+        if: "${{ failure() }}"
+        uses: actions/upload-artifact@v3.1.1
+        with:
+          name: Test report
+          path: app/build/reports
+
+      - name: Upload Kotlin build report
+        if: "${{ always() }}"
+        uses: actions/upload-artifact@v3.1.1
+        with:
+          name: Build report
+          path: build/reports/kotlin-build/
+
+  build-apks:
+    needs: [ "check-changed-files" ]
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3.1.0
+        with:
+          fetch-depth: 0
+
+      - name: Set up JDK
+        uses: actions/setup-java@v3.6.0
+        with:
+          distribution: temurin
+          java-version: 18
+
+      - name: Copy CI gradle.properties
+        run: mkdir -p ~/.gradle ; cp .github/ci-gradle.properties ~/.gradle/gradle.properties
+
+      - name: Build debug APKs
+        uses: gradle/gradle-build-action@v2.3.3
+        with:
+          arguments: assembleFreeDebug assembleNonFreeDebug
+          gradle-home-cache-cleanup: true
+
+      - name: Upload Kotlin build report
+        if: "${{ always() }}"
+        uses: actions/upload-artifact@v3.1.1
+        with:
+          name: Build report
+          path: build/reports/kotlin-build/
+
+  check-api:
+    needs: [ "check-changed-files" ]
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3.1.0
+        with:
+          fetch-depth: 0
+
+      - name: Set up JDK
+        uses: actions/setup-java@v3.6.0
+        with:
+          distribution: temurin
+          java-version: 18
+
+      - name: Copy CI gradle.properties
+        run: mkdir -p ~/.gradle ; cp .github/ci-gradle.properties ~/.gradle/gradle.properties
+
+      - name: Check library API
+        uses: gradle/gradle-build-action@v2.3.3
+        with:
+          arguments: metalavaCheckCompatibilityRelease
+          gradle-home-cache-cleanup: true
+
+      - name: Upload Kotlin build report
+        if: "${{ always() }}"
+        uses: actions/upload-artifact@v3.1.1
+        with:
+          name: Build report
+          path: build/reports/kotlin-build/
+
+  lint-debug:
+    needs: [ "check-changed-files" ]
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3.1.0
+        with:
+          fetch-depth: 0
+
+      - name: Set up JDK
+        uses: actions/setup-java@v3.6.0
+        with:
+          distribution: temurin
+          java-version: 18
+
+      - name: Copy CI gradle.properties
+        run: mkdir -p ~/.gradle ; cp .github/ci-gradle.properties ~/.gradle/gradle.properties
+
+      - name: Run Lint on debug variants
+        uses: gradle/gradle-build-action@v2.3.3
+        with:
+          arguments: lintDebug
+          gradle-home-cache-cleanup: true
+
+      - name: Upload Kotlin build report
+        if: "${{ always() }}"
+        uses: actions/upload-artifact@v3.1.1
+        with:
+          name: Build report
+          path: build/reports/kotlin-build/
+
+  assemble-release-apks:
+    needs: [ "check-changed-files" ]
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3.1.0
+        with:
+          fetch-depth: 0
+
+      - name: Set up JDK
+        uses: actions/setup-java@v3.6.0
+        with:
+          distribution: temurin
+          java-version: 18
+
+      - name: Copy CI gradle.properties
+        run: mkdir -p ~/.gradle ; cp .github/ci-gradle.properties ~/.gradle/gradle.properties
+
+      - name: Assemble non-free release
+        uses: gradle/gradle-build-action@v2.3.3
+        with:
+          arguments: aNFR
+          gradle-home-cache-cleanup: true
+
+      - name: Upload Kotlin build report
+        if: "${{ always() }}"
+        uses: actions/upload-artifact@v3.1.1
+        with:
+          name: Build report
+          path: build/reports/kotlin-build/
+
+  detekt:
+    needs: [ "check-changed-files" ]
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3.1.0
+        with:
+          fetch-depth: 0
+
       - name: Set up JDK
-        if: "${{ steps.service-changed.outputs.result == 'true' }}"
         uses: actions/setup-java@v3.6.0
         with:
           distribution: temurin
           java-version: 18
 
       - name: Copy CI gradle.properties
-        if: "${{ steps.service-changed.outputs.result == 'true' }}"
         run: mkdir -p ~/.gradle ; cp .github/ci-gradle.properties ~/.gradle/gradle.properties
 
       - name: Run detekt
-        if: "${{ steps.service-changed.outputs.result == 'true' }}"
         uses: gradle/gradle-build-action@v2.3.3
         with:
           arguments: detekt