ci(staging): revert act cache wipe, keep other aggressive cleanup

Previous attempt deleted the in-flight act workspace and broke
actions/checkout. Restore the safe >60min sweep for ~/.cache/act
while keeping npm/docker/tmp/log cleanup aggressive.

.gitea/workflows/deploy-staging.yml

@@ -17,20 +17,12 @@ jobs:
           df -h
           du -sh "$HOME/.cache/act" "$HOME/.npm" "$HOME/actions-runner/_work" 2>/dev/null
 
-          # Identify current act workspace (most recently modified dir) and keep it; wipe the rest.
+          # DO NOT touch ~/.cache/act for the current job — only sweep dirs older than 60 min.
           if [ -d "$HOME/.cache/act" ]; then
-            CURRENT_ACT=$(ls -1dt "$HOME/.cache/act"/*/ 2>/dev/null | head -1 || true)
+            find "$HOME/.cache/act" -mindepth 1 -maxdepth 1 -type d -mmin +60 -exec rm -rf {} + 2>/dev/null
-            echo "Preserving current act dir: ${CURRENT_ACT:-<none>}"
-            for d in "$HOME/.cache/act"/*/; do
-              [ -d "$d" ] || continue
-              if [ "$d" != "$CURRENT_ACT" ]; then
-                echo "Removing stale act workspace: $d"
-                rm -rf "$d"
-              fi
-            done
           fi
 
-          # Wipe npm and setup-node caches (will repopulate from registry via cache: npm)
+          # Wipe npm and setup-node caches (cache: npm will repopulate from registry).
           rm -rf "$HOME/.npm/_cacache" "$HOME/.npm/_logs" 2>/dev/null
           rm -rf "$HOME/.cache/setup-node" 2>/dev/null
 
@@ -44,7 +36,7 @@ jobs:
             docker system prune -af --volumes 2>/dev/null
           fi
 
-          # apt cache (if runner uses apt)
+          # apt/yum cache
           if command -v apt-get >/dev/null 2>&1; then
             sudo apt-get clean 2>/dev/null
           fi