diff --git a/.github/workflows/claude-dedupe-issues.yml b/.github/workflows/claude-dedupe-issues.yml
index cfbdf2db23..a42b7a02ee 100644
--- a/.github/workflows/claude-dedupe-issues.yml
+++ b/.github/workflows/claude-dedupe-issues.yml
@@ -87,7 +87,7 @@ jobs:
           HTTP_CODE=$(echo "$RESPONSE" | tail -n1)
           BODY=$(echo "$RESPONSE" | head -n-1)
           
-          if [ "$HTTP_CODE" -eq 200 ] || [ "$HTTP_CODE" -eq 202 ]; then
+          if [ "$HTTP_CODE" -ge 200 ] && [ "$HTTP_CODE" -lt 300 ]; then
             echo "Successfully logged duplicate comment event for issue #${ISSUE_NUMBER}"
           else
             echo "Failed to log duplicate comment event for issue #${ISSUE_NUMBER}. HTTP ${HTTP_CODE}: ${BODY}"
diff --git a/.github/workflows/lock-closed-issues.yml b/.github/workflows/lock-closed-issues.yml
index 3b3533320e..b1fc5d7628 100644
--- a/.github/workflows/lock-closed-issues.yml
+++ b/.github/workflows/lock-closed-issues.yml
@@ -41,7 +41,7 @@ jobs:
                 page: page
               });
               
-              if (issues.length === 0) {
+              if (issues.length < 100) {
                 hasMore = false;
                 break;
               }
diff --git a/scripts/gh.sh b/scripts/gh.sh
index 06c15c847b..1bcf73f743 100755
--- a/scripts/gh.sh
+++ b/scripts/gh.sh
@@ -75,6 +75,10 @@ done
 
 if [[ "$CMD" == "search issues" ]]; then
   QUERY="${POSITIONAL[0]:-}"
+  if [[ -z "$QUERY" ]]; then
+    echo "Error: search issues requires a non-empty query string (e.g., ./scripts/gh.sh search issues \"bug report\" --limit 10)" >&2
+    exit 1
+  fi
   QUERY_LOWER=$(echo "$QUERY" | tr '[:upper:]' '[:lower:]')
   if [[ "$QUERY_LOWER" == *"repo:"* || "$QUERY_LOWER" == *"org:"* || "$QUERY_LOWER" == *"user:"* ]]; then
     echo "Error: search query must not contain repo:, org:, or user: qualifiers (e.g., ./scripts/gh.sh search issues \"bug report\" --limit 10)" >&2