diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 253a139..ad0f525 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -37,14 +37,40 @@ jobs:
           sudo apt-get update
           sudo apt-get install -y libxdo-dev libwebkit2gtk-4.1-dev libgtk-3-dev libayatana-appindicator3-dev libsoup-3.0-dev libjavascriptcoregtk-4.1-dev
 
-      - name: Check
-        run: cargo check --workspace
-
-      - name: Test (library crates)
-        run: cargo test -p presswerk-core -p presswerk-security -p presswerk-document -p presswerk-print
-
-      - name: Clippy
-        run: cargo clippy --workspace -- -D warnings
-
-      - name: Format check
-        run: cargo fmt --all -- --check
+      - name: Verify (TEMP diagnostic — revert before merge)
+        run: |
+          status=0
+          run_logged () {
+            name="$1"; shift
+            code=0
+            echo "=== $name: $*"
+            "$@" > "/tmp/$name.log" 2>&1 || code=$?
+            echo "=== $name exit=$code"
+            if [ "$code" -ne 0 ]; then
+              status=1
+              python3 -c '
+          import pathlib, sys
+          name = sys.argv[1]
+          log = pathlib.Path("/tmp/" + name + ".log").read_text(errors="replace").splitlines()
+          out = []
+          for i, l in enumerate(log):
+              if l.startswith("error") or l.startswith("warning") or l.startswith("Diff in"):
+                  out.append(l)
+                  for j in range(i + 1, min(i + 4, len(log))):
+                      if "-->" in log[j]:
+                          out.append(log[j].strip())
+                          break
+          if not out:
+              out = log[-60:]
+          text = "\n".join(out[:400])
+          text = text.replace("%", "%25").replace("\r", "%0D").replace("\n", "%0A")
+          print("::error title=" + name + "::" + text[:60000])
+          ' "$name"
+            fi
+            return $code
+          }
+          run_logged check cargo check --workspace --all-targets || true
+          run_logged test cargo test -p presswerk-core -p presswerk-security -p presswerk-document -p presswerk-print || true
+          run_logged clippy cargo clippy --workspace --all-targets -- -D warnings || true
+          run_logged fmt cargo fmt --all -- --check || true
+          exit $status