diff --git a/.kaizen/config.yml b/.kaizen/config.yml
index 15dddf5..dc56b88 100644
--- a/.kaizen/config.yml
+++ b/.kaizen/config.yml
@@ -13,6 +13,9 @@ run:
   maxAttemptsPerIssue: 3
   maxOpenPullRequests: 3
   latestStartHour: 7
+safety:
+  # This repository is part of the maintainer-controlled Kaizen Agents dogfood fleet.
+  operationMode: dogfood
 scheduler:
   jobs:
     maintenance:
@@ -86,6 +89,12 @@ report:
   issueComments: true
 issues:
   label: kaizen
+  selection:
+    # Public issue forms add only `kaizen`; a maintainer must queue execution.
+    mode: opt-in
+    includeLabel: kaizen:ready
+    excludeLabels:
+      - kaizen:needs-human
   priorityOrder:
     - kaizen:P0
     - kaizen:P1
diff --git a/skills/pr-guardian/references/pr-feedback-audit.md b/skills/pr-guardian/references/pr-feedback-audit.md
index 800c6ad..875a028 100644
--- a/skills/pr-guardian/references/pr-feedback-audit.md
+++ b/skills/pr-guardian/references/pr-feedback-audit.md
@@ -57,7 +57,19 @@ query($owner:String!, $name:String!, $number:Int!, $cursor:String) {
   if [[ -n "${cursor}" ]]; then
     args+=(-f "cursor=${cursor}")
   fi
-  page="$(gh "${args[@]}")"
+  if ! page="$(gh "${args[@]}")"; then
+    echo 'failed to fetch review threads' >&2
+    exit 1
+  fi
+  if ! jq -e '
+    .data.repository.pullRequest.reviewThreads as $threads
+    | ($threads | type == "object")
+      and ($threads.nodes | type == "array")
+      and ($threads.pageInfo.hasNextPage | type == "boolean")
+  ' >/dev/null <<<"${page}"; then
+    echo 'reviewThreads returned an invalid or incomplete response' >&2
+    exit 1
+  fi
   jq -c '.data.repository.pullRequest.reviewThreads.nodes[]' <<<"${page}"
   if [[ "$(jq -r '.data.repository.pullRequest.reviewThreads.pageInfo.hasNextPage' <<<"${page}")" != true ]]; then
     break
@@ -94,7 +106,19 @@ query($threadId:ID!, $cursor:String) {
   if [[ -n "${cursor}" ]]; then
     args+=(-f "cursor=${cursor}")
   fi
-  page="$(gh "${args[@]}")"
+  if ! page="$(gh "${args[@]}")"; then
+    echo 'failed to fetch review comments' >&2
+    exit 1
+  fi
+  if ! jq -e '
+    .data.node.comments as $comments
+    | ($comments | type == "object")
+      and ($comments.nodes | type == "array")
+      and ($comments.pageInfo.hasNextPage | type == "boolean")
+  ' >/dev/null <<<"${page}"; then
+    echo 'review comments returned an invalid or incomplete response' >&2
+    exit 1
+  fi
   jq -c '.data.node.comments.nodes[]' <<<"${page}"
   if [[ "$(jq -r '.data.node.comments.pageInfo.hasNextPage' <<<"${page}")" != true ]]; then
     break