fix(panel): KB playbooks category, LLM-health diagnostic, scorecard tab, feature-flags 2-col + X creds dropdown; fix(a2a): publish live event from direct send path; fix(docker): orchestrator Node 22 (#305)

Co-authored-by: Renn F <rennf93@users.noreply.github.com>

panel/src/components/knowledge-base/kb-stats-card.tsx

@@ -13,6 +13,7 @@ import {
   GitBranch,
   ClipboardCheck,
   Lightbulb,
+  ScrollText,
 } from "lucide-react";
 import { formatDistanceToNow } from "date-fns";
 
@@ -27,6 +28,7 @@ const indexIcons: Record<KBIndexType, React.ReactNode> = {
   [KBIndexType.DECISIONS]: <GitBranch className="h-4 w-4 text-indigo-500" />,
   [KBIndexType.REVIEWS]: <ClipboardCheck className="h-4 w-4 text-pink-500" />,
   [KBIndexType.LEARNINGS]: <Lightbulb className="h-4 w-4 text-yellow-500" />,
+  [KBIndexType.PLAYBOOKS]: <ScrollText className="h-4 w-4 text-emerald-500" />,
 };
 
 const indexLabels: Record<KBIndexType, string> = {
@@ -38,6 +40,7 @@ const indexLabels: Record<KBIndexType, string> = {
   [KBIndexType.DECISIONS]: "Decisions",
   [KBIndexType.REVIEWS]: "Reviews",
   [KBIndexType.LEARNINGS]: "Learnings",
+  [KBIndexType.PLAYBOOKS]: "Playbooks",
 };
 
 interface KBStatsCardProps {