diff --git a/.claude/helpers/foxhunt-audit-router.sh b/.claude/helpers/foxhunt-audit-router.sh
index 8ce848878..d709c88bb 100755
--- a/.claude/helpers/foxhunt-audit-router.sh
+++ b/.claude/helpers/foxhunt-audit-router.sh
@@ -14,7 +14,8 @@
 
 set -u  # not -e; we want to exit 0 even on errors
 
-STATE_FILE="${CLAUDE_PROJECT_DIR:-.}/.claude/.foxhunt-audit-state"
+REPO_ROOT="${CLAUDE_PROJECT_DIR:-$(pwd)}"
+STATE_FILE="$REPO_ROOT/.claude/.foxhunt-audit-state"
 mkdir -p "$(dirname "$STATE_FILE")" 2>/dev/null || exit 0
 touch "$STATE_FILE" 2>/dev/null || exit 0
 
@@ -28,7 +29,6 @@ PATH_FOUND="$(printf '%s' "$INPUT" | grep -oE '"file_path"[[:space:]]*:[[:space:
 [ -z "$PATH_FOUND" ] && exit 0
 
 # Make path repo-relative if absolute
-REPO_ROOT="${CLAUDE_PROJECT_DIR:-$(pwd)}"
 case "$PATH_FOUND" in
   "$REPO_ROOT"/*) REL="${PATH_FOUND#$REPO_ROOT/}" ;;
   /*)             REL="$PATH_FOUND" ;;
@@ -51,7 +51,7 @@ case "$REL" in
   crates/ml-*/*.rs|crates/ml-*/**/*.rs)  SUGGEST+=("isv-discipline-auditor") ;;
 esac
 case "$REL" in
-  docs/superpowers/specs/*.md|docs/plans/*.md)
+  docs/superpowers/specs/*.md|docs/superpowers/plans/*.md|docs/plans/*.md)
     SUGGEST+=("sp-critical-reviewer") ;;
 esac
 case "$REL" in