diff --git a/products/integration-test.sh b/products/integration-test.sh
index 64e53c0..33aaafc 100755
--- a/products/integration-test.sh
+++ b/products/integration-test.sh
@@ -146,32 +146,6 @@ code=$(curl -s -o /dev/null -w "%{http_code}" "$(url 3002 /api/v1/dashboard)" \
 resp=$(api GET 3002 /api/v1/stacks "$DRIFT_TOKEN")
 echo "$resp" | grep -q "\[\]" && check "List stacks (empty)" "pass" || check "List stacks" "fail"
 
-# ─── Cross-service: API Key generation ───
-echo -e "\n${YELLOW}Cross-service: API Key Auth${NC}"
-resp=$(api POST 3003 /api/v1/auth/api-keys "$ALERT_TOKEN" -d "{}")
-API_KEY=$(echo "$resp" | grep -o '"api_key":"[^"]*' | cut -d'"' -f4)
-if [ -n "$API_KEY" ]; then
-  check "Generate API key" "pass"
-  # Use API key to hit an endpoint
-  code=$(curl -s -o /dev/null -w "%{http_code}" "$(url 3003 /api/v1/incidents)" \
-    -H "X-API-Key: $API_KEY")
-  [ "$code" = "200" ] && check "Auth via API key" "pass" || check "Auth via API key (HTTP $code)" "fail"
-else
-  check "Generate API key" "fail"
-  check "Auth via API key (skipped)" "fail"
-fi
-
-# Summary
-echo ""
-echo -e "${YELLOW}═══════════════════════════${NC}"
-if [ "$PASSED" -eq "$TOTAL" ]; then
-  echo -e "${GREEN}ALL PASSED: $PASSED/$TOTAL${NC}"
-  exit 0
-else
-  echo -e "${RED}$PASSED/$TOTAL passed ($((TOTAL - PASSED)) failed)${NC}"
-  exit 1
-fi
-
 # ─── P3 Webhook Secrets Management ───
 echo -e "\n${YELLOW}P3 Webhook Secrets Management (:3003)${NC}"
 
@@ -202,3 +176,55 @@ echo "$resp" | grep -q "drift_score" && check "Stack drift history" "pass" || ch
 code=$(curl -s -o /dev/null -w "%{http_code}" -X DELETE "$(url 3002 /api/v1/stacks/vpc-prod)" \
   -H "Authorization: Bearer $DRIFT_TOKEN")
 [ "$code" = "200" ] && check "Delete stack" "pass" || check "Delete stack (HTTP $code)" "fail"
+
+# ─── P6 Runbook Execution ───
+echo -e "\n${YELLOW}P6 Runbook Execution (:3006)${NC}"
+
+# Get the runbook ID we created earlier
+RUNBOOK_ID=$(api GET 3006 /api/v1/runbooks "$RUN_TOKEN" | grep -o '"id":"[^"]*' | head -1 | cut -d'"' -f4)
+if [ -n "$RUNBOOK_ID" ]; then
+  resp=$(api POST 3006 "/api/v1/runbooks/$RUNBOOK_ID/execute" "$RUN_TOKEN" \
+    -d '{"dry_run":true,"variables":{"target":"web-01"}}')
+  echo "$resp" | grep -q "pending\|execution_id" && check "Execute runbook (dry run)" "pass" || check "Execute runbook (dry run)" "fail"
+
+  EXEC_ID=$(echo "$resp" | grep -o '"execution_id":"[^"]*' | cut -d'"' -f4)
+  if [ -n "$EXEC_ID" ]; then
+    resp=$(api GET 3006 "/api/v1/executions/$EXEC_ID" "$RUN_TOKEN")
+    echo "$resp" | grep -q "pending\|dry_run" && check "Get execution status" "pass" || check "Get execution status" "fail"
+  else
+    check "Get execution status (no exec ID)" "fail"
+  fi
+
+  resp=$(api GET 3006 "/api/v1/runbooks/$RUNBOOK_ID/executions" "$RUN_TOKEN")
+  echo "$resp" | grep -q "executions\|$EXEC_ID" && check "List runbook executions" "pass" || check "List runbook executions" "fail"
+else
+  check "Execute runbook (no runbook found)" "fail"
+  check "Get execution status (skipped)" "fail"
+  check "List runbook executions (skipped)" "fail"
+fi
+
+# ─── Cross-service: API Key generation ───
+echo -e "\n${YELLOW}Cross-service: API Key Auth${NC}"
+resp=$(api POST 3003 /api/v1/auth/api-keys "$ALERT_TOKEN" -d "{}")
+API_KEY=$(echo "$resp" | grep -o '"api_key":"[^"]*' | cut -d'"' -f4)
+if [ -n "$API_KEY" ]; then
+  check "Generate API key" "pass"
+  # Use API key to hit an endpoint
+  code=$(curl -s -o /dev/null -w "%{http_code}" "$(url 3003 /api/v1/incidents)" \
+    -H "X-API-Key: $API_KEY")
+  [ "$code" = "200" ] && check "Auth via API key" "pass" || check "Auth via API key (HTTP $code)" "fail"
+else
+  check "Generate API key" "fail"
+  check "Auth via API key (skipped)" "fail"
+fi
+
+# Summary
+echo ""
+echo -e "${YELLOW}═══════════════════════════${NC}"
+if [ "$PASSED" -eq "$TOTAL" ]; then
+  echo -e "${GREEN}ALL PASSED: $PASSED/$TOTAL${NC}"
+  exit 0
+else
+  echo -e "${RED}$PASSED/$TOTAL passed ($((TOTAL - PASSED)) failed)${NC}"
+  exit 1
+fi