Add client configurable timeouts

examples/custom-timeout-example.ts

@@ -0,0 +1,39 @@
+/**
+ * Example: Using custom timeout for BackRPC client
+ * 
+ * This example demonstrates how to create a network client with custom timeout values.
+ */
+
+import { createNetworkClient } from '@hcengineering/network-client'
+
+// Example 1: Default behavior - uses environment-based timeout
+// In development (NODE_ENV=development): 3600 seconds (1 hour)
+// In production: 3 seconds
+const defaultClient = createNetworkClient('localhost:3737')
+
+// Example 2: Custom timeout - 10 minutes
+const customTimeoutClient = createNetworkClient('localhost:3737', 600)
+
+// Example 3: Short timeout for fast failure detection - 1 second
+const fastFailClient = createNetworkClient('localhost:3737', 1)
+
+// Example 4: Very long timeout for debugging - 2 hours
+const debugClient = createNetworkClient('localhost:3737', 7200)
+
+async function main() {
+  try {
+    // Wait for connection with optional timeout
+    await defaultClient.waitConnection(5000) // 5 second connection timeout
+    console.log('Connected to server')
+
+    // The client will maintain connection based on its aliveTimeout
+    // Server will detect client as dead only after aliveTimeout seconds of inactivity
+    
+    // Your application logic here...
+    
+  } catch (error) {
+    console.error('Connection failed:', error)
+  }
+}
+
+main().catch(console.error)