refactor(dynamic): improve SSA receiver type checks, enhance framework bindings, and expand test coverage

tests/dynamic_fixtures/websocket/ws/benign.js

@@ -1,5 +1,6 @@
 // Phase 21 — `ws` WebSocket benign control.
 const _NYX_ADAPTER_MARKER = "require('ws')";
+const _NYX_WS_MESSAGE_MARKER = "wss.on('connection', ws => ws.on('message', onMessage))";
 
 function onMessage(data) {
     return 'echoed: ' + JSON.stringify(String(data));

tests/dynamic_fixtures/websocket/ws/vuln.js

@@ -4,6 +4,7 @@
 // WebSocketServer instance.  It splices the message bytes into a
 // child-process command — classic WS → cmdi shape.
 const _NYX_ADAPTER_MARKER = "require('ws')";
+const _NYX_WS_MESSAGE_MARKER = "wss.on('connection', ws => ws.on('message', onMessage))";
 
 const { execSync } = require('child_process');
 

tests/message_handler_corpus.rs

@@ -343,6 +343,14 @@ def handler(envelope):\n    validate_request(envelope)\n",
             "handler",
             &["validateMessage"],
         ),
+        (
+            Lang::JavaScript,
+            b"const { Consumer } = require('sqs-consumer');\n\
+              function handler(env) {}\n\
+              Consumer.create({ queueUrl: 'http://localhost/q', visibilityTimeout: 30, handleMessage: handler });\n",
+            "handler",
+            &["visibilityTimeout"],
+        ),
         (
             Lang::Python,
             b"from google.cloud import pubsub_v1\n\
@@ -379,6 +387,19 @@ def on_message(ch, method, properties, body):\n    validate_request(body)\n",
             "onMessage",
             &["ValidatingMessageConverter"],
         ),
+        (
+            Lang::Java,
+            b"import org.springframework.amqp.rabbit.annotation.RabbitListener;\n\
+              public class Vuln {\n\
+                @RabbitListener(queues = \"work\")\n\
+                public void onMessage(String body) {}\n\
+                public void configure(Factory factory) {\n\
+                  factory.setCommonErrorHandler(new DefaultErrorHandler());\n\
+                }\n\
+              }\n",
+            "onMessage",
+            &["DefaultErrorHandler"],
+        ),
         (
             Lang::Go,
             b"package entry\n\
@@ -386,7 +407,7 @@ def on_message(ch, method, properties, body):\n    validate_request(body)\n",
               func OnMessage(msg *nats.Msg) { ValidatePayload(msg.Data) }\n\
               func init() { nc.QueueSubscribe(\"events\", \"workers\", OnMessage) }\n",
             "OnMessage",
-            &["ValidatePayload"],
+            &["ValidatePayload", "QueueSubscribe"],
         ),
     ];