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WebServerManager.h

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+// =====================================================================
+// WebServerManager.h
+//
+// Wi-Fi + HTTP REST API + WebSocket live feed, ported from the
+// ESP32-LD2450 project's AsyncWebServer/AsyncWebSocket setup.
+// Protocol-agnostic: only ever touches RadarFrame/RadarTarget and
+// ZoneManager, never raw radar bytes.
+// =====================================================================
+#pragma once
+
+#include <Arduino.h>
+#include <WiFi.h>
+#include <ESPAsyncWebServer.h>
+#include "LD2453Parser.h"
+#include "ZoneManager.h"
+
+class WebServerManager {
+public:
+    WebServerManager(ZoneManager &zoneManager);
+
+    // Blocks briefly (via delay in the WiFi connect retry loop only,
+    // as in the original project) until Wi-Fi is up, then starts the
+    // HTTP + WebSocket server. Call once from setup().
+    void begin(const char *ssid, const char *password);
+
+    // Non-blocking. Call every loop() iteration: reconnects Wi-Fi if
+    // dropped, and prunes disconnected WebSocket clients.
+    void loop();
+
+    // Broadcasts one normalized JSON payload (see README "Web Data
+    // Format") to all connected WebSocket clients for this frame.
+    // No-op if no clients are connected.
+    void broadcastFrame(const RadarFrame &frame);
+
+    bool isWifiConnected() const { return WiFi.status() == WL_CONNECTED; }
+
+private:
+    ZoneManager &_zoneManager;
+    AsyncWebServer _server;
+    AsyncWebSocket _ws;
+
+    void setupRoutes();
+    static void onWsEvent(AsyncWebSocket *server, AsyncWebSocketClient *client,
+                           AwsEventType type, void *arg, uint8_t *data, size_t len);
+};