feat: add setupConnection and setSession methods for session restoration

src/client.ts

@@ -158,6 +158,28 @@ export class TrytonClient {
         }
     }
 
+    /**
+     * Setup connection pool without authentication
+     * Used when restoring an existing session
+     * @returns {Promise<void>}
+     */
+    async setupConnection(): Promise<void> {
+        this.connection = new ServerPool(
+            this.hostname,
+            this.port,
+            this.database,
+            {
+                session: undefined, // Session will be set by restoreSession()
+                cache: this.options.cache !== false ? [] : null,
+                verbose: this.options.verbose || false,
+                connectTimeout: this.options.connectTimeout || CONNECT_TIMEOUT,
+                timeout: this.options.timeout || DEFAULT_TIMEOUT,
+                keepMax: this.options.keepMax || 4,
+                useHttps: this.useHttps,
+            }
+        );
+    }
+
     /**
      * Call RPC method on server
      * @param {string} methodName - RPC method name (e.g., 'model.party.party.read')
@@ -521,6 +543,11 @@ export class TrytonClient {
             // Establecer la sesión sin hacer login
             this.session = sessionToken;
 
+            // Actualizar la sesión en el connection pool
+            if (this.connection) {
+                this.connection.setSession(sessionToken);
+            }
+
             // Verificar que la sesión sigue siendo válida
             const proxy = this.connection?.getConnection();
             if (!proxy) {

src/jsonrpc.ts

@@ -646,6 +646,23 @@ export class ServerPool {
         }
     }
 
+    /**
+     * Update session for all connections
+     * @param {string} session - New session string
+     */
+    setSession(session: string): void {
+        this.session = session;
+        this.options.session = session;
+
+        // Update session for all existing connections
+        for (const conn of this.pool) {
+            (conn as any).session = session;
+        }
+        for (const conn of this.used) {
+            (conn as any).session = session;
+        }
+    }
+
     /**
      * Get connection from pool or create new one
      * @returns {ServerProxy} - Server proxy instance