diff --git a/.github/actions/job_done/action.yml b/.github/actions/job_done/action.yml
new file mode 100644
index 00000000..dbbbdc61
--- /dev/null
+++ b/.github/actions/job_done/action.yml
@@ -0,0 +1,15 @@
+name: Job done
+description: Mark the current job as successfully completed.
+
+runs:
+  using: composite
+  steps:
+    - name: Mark Unix successful completion
+      if: runner.os != 'Windows'
+      shell: bash
+      run: touch "${RUNNER_TEMP}/modmesh_job_completed"
+
+    - name: Mark Windows successful completion
+      if: runner.os == 'Windows'
+      shell: pwsh
+      run: New-Item -ItemType File -Path "$env:RUNNER_TEMP\modmesh_job_completed" -Force | Out-Null
diff --git a/.github/actions/job_guard/action.yml b/.github/actions/job_guard/action.yml
new file mode 100644
index 00000000..0278abdb
--- /dev/null
+++ b/.github/actions/job_guard/action.yml
@@ -0,0 +1,22 @@
+name: Job guard
+description: Fail the job when it does not reach the completion marker.
+
+runs:
+  using: composite
+  steps:
+    - name: Register Unix post-run completion check
+      if: runner.os != 'Windows'
+      uses: gacts/run-and-post-run@v1
+      with:
+        post: >-
+          test -f "${RUNNER_TEMP}/modmesh_job_completed" ||
+          { echo "::error::CI job timed out, was cancelled, or stopped before completion."; exit 2; }
+
+    - name: Register Windows post-run completion check
+      if: runner.os == 'Windows'
+      uses: gacts/run-and-post-run@v1
+      with:
+        post-shell: pwsh
+        post: >-
+          if (-not (Test-Path -LiteralPath "$env:RUNNER_TEMP\modmesh_job_completed"))
+          { Write-Host "::error::CI job timed out, was cancelled, or stopped before completion."; exit 2 }
diff --git a/.github/workflows/devbuild.yml b/.github/workflows/devbuild.yml
index 0fcad2e7..b1b54677 100644
--- a/.github/workflows/devbuild.yml
+++ b/.github/workflows/devbuild.yml
@@ -40,6 +40,8 @@ jobs:
         with:
           fetch-depth: 1
 
+      - uses: ./.github/actions/job_guard
+
       - name: event name
         run: |
           echo "github.event_name: ${{ github.event_name }}"
@@ -61,6 +63,8 @@ jobs:
           make standalone_buffer_setup
           make standalone_buffer
 
+      - uses: ./.github/actions/job_done
+
   build:
 
     if: |
@@ -98,6 +102,8 @@ jobs:
       with:
         fetch-depth: 1
 
+    - uses: ./.github/actions/job_guard
+
     - name: event name
       run: |
         echo "github.event_name: ${{ github.event_name }}"
@@ -202,6 +208,8 @@ jobs:
         make buildext VERBOSE=1
         make pytest VERBOSE=1
 
+    - uses: ./.github/actions/job_done
+
   build_windows:
 
     if: |
@@ -238,6 +246,8 @@ jobs:
         with:
           fetch-depth: 1
 
+      - uses: ./.github/actions/job_guard
+
       - name: event name
         run: |
           echo "github.event_name: ${{ github.event_name }}"
@@ -373,15 +383,18 @@ jobs:
           name: modmesh-pilot-win64
           path: modmesh-pilot-win64/
 
+      - uses: ./.github/actions/job_done
+
   send_email_on_failure:
     needs: [standalone_buffer, build, build_windows]
-    # Run if any of the dependencies failed in master branch
+    # Run if any of the dependencies failed or timed out in master branch
     if: ${{ always() && contains(needs.*.result, 'failure') && github.ref_name == 'master' && github.event.repository.fork == false }}
     uses: ./.github/workflows/send_email_on_fail.yml
     with:
       job_results: |
         - standalone_buffer: ${{ needs.standalone_buffer.result }}
         - build: ${{ needs.build.result }}
+        - build_windows: ${{ needs.build_windows.result }}
     secrets:
       EMAIL_USERNAME: ${{ secrets.EMAIL_USERNAME }}
       EMAIL_PASSWORD: ${{ secrets.EMAIL_PASSWORD }}
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 3d35fdc2..5eebb8f6 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -51,6 +51,8 @@ jobs:
       with:
         fetch-depth: 1
 
+    - uses: ./.github/actions/job_guard
+
     - name: event name
       run: |
         echo "github.event_name: ${{ github.event_name }}"
@@ -104,9 +106,11 @@ jobs:
           CMAKE_BUILD_TYPE=${{ matrix.cmake_build_type }} \
           CMAKE_ARGS="-DPYTHON_EXECUTABLE=$(which python3)"
 
+    - uses: ./.github/actions/job_done
+
   send_email_on_failure:
     needs: [lint]
-    # Run if any of the dependencies failed in master branch
+    # Run if any of the dependencies failed or timed out in master branch
     if: ${{ always() && contains(needs.*.result, 'failure') && github.ref_name == 'master' && github.event.repository.fork == false }}
     uses: ./.github/workflows/send_email_on_fail.yml
     with:
diff --git a/.github/workflows/nouse_install.yml b/.github/workflows/nouse_install.yml
index 9d2425a4..308ae540 100644
--- a/.github/workflows/nouse_install.yml
+++ b/.github/workflows/nouse_install.yml
@@ -43,6 +43,8 @@ jobs:
         with:
           fetch-depth: 1
 
+      - uses: ./.github/actions/job_guard
+
       - name: event name
         run: |
           echo "github.event_name: ${{ github.event_name }}"
@@ -85,9 +87,11 @@ jobs:
           pytest --rootdir=. -v
           cd ..
 
+      - uses: ./.github/actions/job_done
+
   send_email_on_failure:
     needs: [nouse_install]
-    # Run if any of the dependencies failed in master branch
+    # Run if any of the dependencies failed or timed out in master branch
     if: ${{ always() && contains(needs.*.result, 'failure') && github.ref_name == 'master' && github.event.repository.fork == false }}
     uses: ./.github/workflows/send_email_on_fail.yml
     with:
diff --git a/.github/workflows/profiling.yml b/.github/workflows/profiling.yml
index 8843f940..ce60230a 100644
--- a/.github/workflows/profiling.yml
+++ b/.github/workflows/profiling.yml
@@ -38,6 +38,8 @@ jobs:
         with:
           fetch-depth: 1
 
+      - uses: ./.github/actions/job_guard
+
       - name: event name
         run: |
           echo "Event name: ${{ github.event_name }}"
@@ -74,9 +76,11 @@ jobs:
         run: |
           make pyprof
 
+      - uses: ./.github/actions/job_done
+
   send_email_on_failure:
     needs: [profile]
-    if: ${{ always() && (needs.*.result == 'failure') && github.ref_name == 'master' && github.event.repository.fork == false }}
+    if: ${{ always() && contains(needs.*.result, 'failure') && github.ref_name == 'master' && github.event.repository.fork == false }}
     uses: ./.github/workflows/send_email_on_fail.yml
     with:
       job_results: |