perf: 静态路由修改为简单的map缓存

keepalive_issue_demo/server.v

@@ -0,0 +1,34 @@
+// Minimal server example - Demonstrate Keep-Alive issue
+module main
+
+import net.http
+import time
+
+struct MyHandler {}
+
+fn (_ MyHandler) handle(req http.Request) http.Response {
+	now := time.now()
+	println('[${now.format_ss_micro()}] Received request: ${req.method} ${req.url}')
+	
+	return http.Response{
+		status_code: 200
+		status_msg: 'OK'
+		header: http.new_custom_header_from_map({
+			'Content-Type': 'text/plain'
+			'Connection': 'keep-alive'  // Set but not effective
+		}) or { http.new_header() }
+		body: 'Hello! Time: ${now.format_ss_micro()}'
+	}
+}
+
+fn main() {
+	println('Starting server at http://localhost:8080')
+	println('Server sends Connection: keep-alive in response header')
+	println('But due to V stdlib limitation, connection is still closed')
+	
+	mut server := http.Server{
+		handler: MyHandler{}
+		addr: ':8080'
+	}
+	server.listen_and_serve()
+}