feat: add LLM analytics types and socket events to shared

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

shared/src/types.ts

@@ -312,6 +312,29 @@ export interface LogEntry {
   message: string;
 }
 
+export interface LlmCallTypeStats {
+  templateName: string;
+  label: string;
+  count: number;
+  totalCost: number;
+  minCost: number;
+  maxCost: number;
+  avgCost: number;
+  retryCount: number;
+  failCount: number;
+  retryPct: number;
+  failPct: number;
+}
+
+export interface LlmStatsData {
+  types: LlmCallTypeStats[];
+  totalCount: number;
+  totalCost: number;
+  totalRetries: number;
+  totalFailures: number;
+  trackingEnabled: boolean;
+}
+
 // Server -> Client events
 export interface ServerEvents {
   'world-state': (data: WorldState) => void;
@@ -335,6 +358,8 @@ export interface ServerEvents {
   'admin-constants-updated': (data: TunableConstants) => void;
   'log-history': (data: LogEntry[]) => void;
   'log-entry': (data: LogEntry) => void;
+  'admin-llm-stats-result': (data: LlmStatsData) => void;
+  'admin-llm-tracking-toggled': (data: { enabled: boolean }) => void;
 }
 
 // Client -> Server events
@@ -349,4 +374,6 @@ export interface ClientEvents {
   'admin-reset-defaults': () => void;
   'log-subscribe': () => void;
   'log-unsubscribe': () => void;
+  'admin-llm-stats': () => void;
+  'admin-toggle-llm-tracking': (data: { enabled: boolean }) => void;
 }