Remove temp diagnostics but add stdio process lifecycle logs

Author: chemicL

mcp/src/main/java/io/modelcontextprotocol/client/transport/StdioClientTransport.java

@@ -112,6 +112,7 @@ public StdioClientTransport(ServerParameters params, ObjectMapper objectMapper)
 	@Override
 	public Mono<Void> connect(Function<Mono<JSONRPCMessage>, Mono<JSONRPCMessage>> handler) {
 		return Mono.<Void>fromRunnable(() -> {
+			logger.info("MCP server starting.");
 			handleIncomingMessages(handler);
 			handleIncomingErrors();
 
@@ -124,15 +125,13 @@ public Mono<Void> connect(Function<Mono<JSONRPCMessage>, Mono<JSONRPCMessage>> h
 			processBuilder.command(fullCommand);
 			processBuilder.environment().putAll(params.getEnv());
 
-			measureTime(() -> {
-				// Start the process
-				try {
-					this.process = processBuilder.start();
-				}
-				catch (IOException e) {
-					throw new RuntimeException("Failed to start process with command: " + fullCommand, e);
-				}
-			}, "Process start");
+			// Start the process
+			try {
+				this.process = processBuilder.start();
+			}
+			catch (IOException e) {
+				throw new RuntimeException("Failed to start process with command: " + fullCommand, e);
+			}
 
 			// Validate process streams
 			if (this.process.getInputStream() == null || process.getOutputStream() == null) {
@@ -144,6 +143,7 @@ public Mono<Void> connect(Function<Mono<JSONRPCMessage>, Mono<JSONRPCMessage>> h
 			startInboundProcessing();
 			startOutboundProcessing();
 			startErrorProcessing();
+			logger.info("MCP server started");
 		}).subscribeOn(Schedulers.boundedElastic());
 	}
 
@@ -367,6 +367,8 @@ public Mono<Void> closeGracefully() {
 		})).doOnNext(process -> {
 			if (process.exitValue() != 0) {
 				logger.warn("Process terminated with code " + process.exitValue());
+			} else {
+				logger.info("MCP server process stopped");
 			}
 		}).then(Mono.fromRunnable(() -> {
 			try {