fix(graphiti): relax timer hook option variance

Author: vicary

src/services/connection-manager.ts

@@ -212,8 +212,8 @@ type GraphitiConnectionManagerOptions = {
   connectionFactory?: ConnectionFactory;
   random?: () => number;
   now?: () => number;
-  setTimer?: (callback: () => void, delayMs: number) => TimerHandle;
-  clearTimer?: (timer: TimerHandle) => void;
+  setTimer?(callback: () => void, delayMs: number): TimerHandle;
+  clearTimer?(timer: TimerHandle): void;
 };
 
 function createMcpConnection(endpoint: string): GraphitiConnection {

src/services/graphiti-async.ts

@@ -7,8 +7,8 @@ import type { RedisCacheService } from "./redis-cache.ts";
 type TimerHandle = ReturnType<typeof setTimeout> | number;
 
 type GraphitiAsyncServiceOptions = {
-  setTimer?: (callback: () => void, delayMs: number) => TimerHandle;
-  clearTimer?: (timer: TimerHandle) => void;
+  setTimer?(callback: () => void, delayMs: number): TimerHandle;
+  clearTimer?(timer: TimerHandle): void;
 };
 
 export class GraphitiAsyncService {

src/session.ts

@@ -225,8 +225,8 @@ type TemporaryRootRuntimeMigration = {
 
 export interface SessionManagerOptions {
   idleRetentionMs?: number;
-  setTimer?: (callback: () => void, delayMs: number) => TimerHandle;
-  clearTimer?: (timer: TimerHandle) => void;
+  setTimer?(callback: () => void, delayMs: number): TimerHandle;
+  clearTimer?(timer: TimerHandle): void;
   notesService?: SessionNotesService;
   runtimeStateMigrator?: SessionRuntimeStateMigrator;
 }