Step 124: wire agent server and agents panel

editor/tests/step124_test.cpp

@@ -0,0 +1,48 @@
+// Step 124 TDD Test: Agent server wiring with mock transport
+#include "WebSocketServer.h"
+#include <iostream>
+
+static void expect(bool cond, const std::string& name, int& passed, int& failed) {
+    if (cond) {
+        std::cout << "Test " << (passed + failed + 1) << " PASS: " << name << "\n";
+        ++passed;
+    } else {
+        std::cout << "Test " << (passed + failed + 1) << " FAIL: " << name << "\n";
+        ++failed;
+    }
+}
+
+int main() {
+    int passed = 0;
+    int failed = 0;
+
+    auto transport = std::make_unique<MockWebSocketTransport>();
+    MockWebSocketTransport* raw = transport.get();
+    WebSocketAgentServer server(std::move(transport));
+
+    server.setRequestHandler([](const json& req) {
+        json res;
+        res["result"] = {{"ok", true}, {"echo", req.value("method", "")}};
+        return res;
+    });
+
+    expect(server.start(8765), "server starts", passed, failed);
+    std::string sid = raw->simulateConnect();
+    expect(!sid.empty(), "session id assigned", passed, failed);
+
+    json ping = {{"jsonrpc","2.0"},{"id",1},{"method","ping"}};
+    raw->simulateMessage(sid, ping.dump());
+    std::string reply = raw->getLastSentMessage(sid);
+    expect(reply.find("pong") != std::string::npos, "ping response", passed, failed);
+
+    json custom = {{"jsonrpc","2.0"},{"id",2},{"method","getAST"}};
+    raw->simulateMessage(sid, custom.dump());
+    std::string reply2 = raw->getLastSentMessage(sid);
+    expect(reply2.find("\"ok\":true") != std::string::npos, "custom handler", passed, failed);
+
+    raw->simulateDisconnect(sid);
+    expect(server.getActiveSessionCount() == 0, "session disconnect", passed, failed);
+
+    std::cout << "\n=== Step 124 Results: " << passed << " passed, " << failed << " failed ===\n";
+    return failed == 0 ? 0 : 1;
+}