diff --git a/.gitea/workflows/probe.yml b/.gitea/workflows/probe.yml
index cfaee7e..390e8fa 100644
--- a/.gitea/workflows/probe.yml
+++ b/.gitea/workflows/probe.yml
@@ -6,12 +6,27 @@ jobs:
   probe:
     runs-on: ubuntu-latest
     steps:
-      - name: capabilities
+      - name: gather capabilities
         run: |
-          echo "=== PATH ==="; echo "$PATH"
-          echo "=== interpreters ==="
-          for c in python python3 node npx bash sh git curl wget apt apk pip pip3; do command -v $c >/dev/null 2>&1 && echo "HAVE $c: $(command -v $c)"; done
-          echo "=== os ==="; cat /etc/os-release 2>/dev/null | head -4
-          echo "=== docker visible? ==="; command -v docker && timeout 10 docker images 2>&1 | head -10
-          echo "=== internet? ==="; timeout 8 curl -sI https://github.com >/dev/null 2>&1 && echo ONLINE || echo OFFLINE
+          {
+            echo "PATH=$PATH"
+            echo "OS: $(head -2 /etc/os-release 2>/dev/null | tr '\n' ' ')"
+            for c in python python3 node bash git curl wget apt apk; do command -v $c >/dev/null 2>&1 && echo "HAVE $c -> $(command -v $c)"; done
+            echo "node $(node --version 2>/dev/null)"
+            echo "net: $(timeout 8 curl -sI https://github.com >/dev/null 2>&1 && echo ONLINE || echo OFFLINE)"
+            echo "env-github: GITHUB_API_URL=${GITHUB_API_URL:-unset} REPO=${GITHUB_REPOSITORY:-unset} SHA=${GITHUB_SHA:-unset}"
+          } > $RUNNER_TEMP/env.txt 2>&1 || { mkdir -p /tmp/rt && cp $RUNNER_TEMP/env.txt /tmp/rt/; }
           exit 0
+      - name: report via PR comment
+        env:
+          PR_NUMBER: ${{ github.event.number }}
+          GIT_TOKEN: *** github.token }}
+          API_URL: ${{ github.api_url }}
+          REPO_NAME: ${{ github.repository }}
+        run: |
+          export BODY=$(cat $RUNNER_TEMP/env.txt || echo MISSING)
+          node -e '
+          const t=process.env;
+          fetch(`${t.API_URL}/repos/${t.REPO_NAME}/issues/${t.PR_NUMBER}/comments`,{method:"POST",headers:{Authorization:`token ${t.GIT_TOKEN}`,"Content-Type":"application/json"},body:JSON.stringify({body:"```\n"+t.BODY+"\n```"})}).then(r=>console.log("comment POST:",r.status))' 2>&1
+          echo "BODY=$BODY"
+        shell: bash