refactor: Centralize session ID generation and propagation

packages/core/src/config/config.test.ts

@@ -49,6 +49,7 @@ describe('Server Config (config.ts)', () => {
   const USER_MEMORY = 'Test User Memory';
   const TELEMETRY = false;
   const EMBEDDING_MODEL = 'gemini-embedding';
+  const SESSION_ID = 'test-session-id';
   const baseParams: ConfigParameters = {
     contentGeneratorConfig: {
       apiKey: API_KEY,
@@ -62,6 +63,7 @@ describe('Server Config (config.ts)', () => {
     fullContext: FULL_CONTEXT,
     userMemory: USER_MEMORY,
     telemetry: TELEMETRY,
+    sessionId: SESSION_ID,
   };
 
   beforeEach(() => {

packages/core/src/config/config.ts

@@ -55,6 +55,7 @@ export class MCPServerConfig {
 }
 
 export interface ConfigParameters {
+  sessionId: string;
   contentGeneratorConfig: ContentGeneratorConfig;
   embeddingModel: string;
   sandbox?: boolean | string;
@@ -83,6 +84,7 @@ export interface ConfigParameters {
 
 export class Config {
   private toolRegistry: Promise<ToolRegistry>;
+  private readonly sessionId: string;
   private readonly contentGeneratorConfig: ContentGeneratorConfig;
   private readonly embeddingModel: string;
   private readonly sandbox: boolean | string | undefined;
@@ -111,6 +113,7 @@ export class Config {
   private fileDiscoveryService: FileDiscoveryService | null = null;
 
   constructor(params: ConfigParameters) {
+    this.sessionId = params.sessionId;
     this.contentGeneratorConfig = params.contentGeneratorConfig;
     this.embeddingModel = params.embeddingModel;
     this.sandbox = params.sandbox;
@@ -155,6 +158,10 @@ export class Config {
     }
   }
 
+  getSessionId(): string {
+    return this.sessionId;
+  }
+
   getContentGeneratorConfig(): ContentGeneratorConfig {
     return this.contentGeneratorConfig;
   }