fix: capture mypy stdout/stderr via subprocess

Author: Vae-Scrooge

.github/workflows/ci.yml

@@ -46,11 +46,23 @@ jobs:
     
     - name: Type check with mypy
       run: |
-        output=$(mypy remote_cmd --no-strict-optional --ignore-missing-imports 2>&1)
-        rc=$?
-        echo "$output"
-        echo "$output" >> $GITHUB_STEP_SUMMARY
-        exit $rc
+        echo "::group::Sanity check"
+        mypy --version
+        echo 'x: int = 1' > /tmp/test_mypy.py
+        mypy /tmp/test_mypy.py && echo "sanity OK" || echo "sanity FAILED"
+        echo "::endgroup::"
+        echo "::group::Project check"
+        python -c "
+import subprocess, sys
+result = subprocess.run(
+    [sys.executable, '-m', 'mypy', 'remote_cmd', '--no-strict-optional', '--ignore-missing-imports'],
+    capture_output=True, text=True
+)
+print('STDOUT:', repr(result.stdout))
+print('STDERR:', repr(result.stderr))
+print('RC:', result.returncode)
+sys.exit(result.returncode)
+"
     
     - name: Run tests with pytest
       run: |