diff --git a/.gitea/workflows/ci.yaml b/.gitea/workflows/ci.yaml
index 840ebfc5a2..ba1b360223 100644
--- a/.gitea/workflows/ci.yaml
+++ b/.gitea/workflows/ci.yaml
@@ -11,6 +11,19 @@ on:
   workflow_dispatch:
 
 jobs:
+  runtime-diagnostics:
+    if: gitea.event_name == 'workflow_dispatch'
+    runs-on: shell
+    steps:
+      - name: Read recent CMS runtime errors
+        run: |
+          set -e
+          echo "--- Recent CMS runtime errors ---"
+          pm2 logs next --lines 250 --nostream 2>&1 \
+            | grep -Ei 'error|permissions|permission_ranks|permission_definitions|unknown column|doesn.t exist|digest' \
+            | tail -120 \
+            || true
+
   check:
     if: startsWith(gitea.ref_name, 'v') == false
     runs-on: shell