feat: GET node config endpoint

src/spore/services/NodeService.cpp

@@ -37,6 +37,11 @@ void NodeService::registerEndpoints(ApiServer& api) {
             ParamSpec{String("labels"), true, String("body"), String("json"), {}, String("")}
         });
 
+    // Config endpoint for getting node configuration (without WiFi password)
+    api.registerEndpoint("/api/node/config", HTTP_GET,
+        [this](AsyncWebServerRequest* request) { handleGetConfigRequest(request); },
+        std::vector<ParamSpec>{});
+
     // Generic local event endpoint
     api.registerEndpoint("/api/node/event", HTTP_POST,
         [this](AsyncWebServerRequest* request) {
@@ -233,3 +238,60 @@ void NodeService::handleConfigRequest(AsyncWebServerRequest* request) {
         request->send(500, "application/json", "{\"error\":\"Failed to save configuration\"}");
     }
 }
+
+void NodeService::handleGetConfigRequest(AsyncWebServerRequest* request) {
+    JsonDocument doc;
+    
+    // WiFi Configuration (excluding password for security)
+    JsonObject wifiObj = doc["wifi"].to<JsonObject>();
+    wifiObj["ssid"] = ctx.config.wifi_ssid;
+    wifiObj["connect_timeout_ms"] = ctx.config.wifi_connect_timeout_ms;
+    wifiObj["retry_delay_ms"] = ctx.config.wifi_retry_delay_ms;
+    
+    // Network Configuration
+    JsonObject networkObj = doc["network"].to<JsonObject>();
+    networkObj["udp_port"] = ctx.config.udp_port;
+    networkObj["api_server_port"] = ctx.config.api_server_port;
+    
+    // Cluster Configuration
+    JsonObject clusterObj = doc["cluster"].to<JsonObject>();
+    clusterObj["discovery_interval_ms"] = ctx.config.discovery_interval_ms;
+    clusterObj["heartbeat_interval_ms"] = ctx.config.heartbeat_interval_ms;
+    clusterObj["cluster_listen_interval_ms"] = ctx.config.cluster_listen_interval_ms;
+    clusterObj["status_update_interval_ms"] = ctx.config.status_update_interval_ms;
+    clusterObj["member_info_update_interval_ms"] = ctx.config.member_info_update_interval_ms;
+    clusterObj["print_interval_ms"] = ctx.config.print_interval_ms;
+    
+    // Node Status Thresholds
+    JsonObject thresholdsObj = doc["thresholds"].to<JsonObject>();
+    thresholdsObj["node_active_threshold_ms"] = ctx.config.node_active_threshold_ms;
+    thresholdsObj["node_inactive_threshold_ms"] = ctx.config.node_inactive_threshold_ms;
+    thresholdsObj["node_dead_threshold_ms"] = ctx.config.node_dead_threshold_ms;
+    
+    // System Configuration
+    JsonObject systemObj = doc["system"].to<JsonObject>();
+    systemObj["restart_delay_ms"] = ctx.config.restart_delay_ms;
+    systemObj["json_doc_size"] = ctx.config.json_doc_size;
+    
+    // Memory Management
+    JsonObject memoryObj = doc["memory"].to<JsonObject>();
+    memoryObj["low_memory_threshold_bytes"] = ctx.config.low_memory_threshold_bytes;
+    memoryObj["critical_memory_threshold_bytes"] = ctx.config.critical_memory_threshold_bytes;
+    memoryObj["max_concurrent_http_requests"] = ctx.config.max_concurrent_http_requests;
+    
+    // Custom Labels
+    if (!ctx.config.labels.empty()) {
+        JsonObject labelsObj = doc["labels"].to<JsonObject>();
+        for (const auto& kv : ctx.config.labels) {
+            labelsObj[kv.first.c_str()] = kv.second;
+        }
+    }
+    
+    // Add metadata
+    doc["version"] = "1.0";
+    doc["retrieved_at"] = millis();
+    
+    String json;
+    serializeJson(doc, json);
+    request->send(200, "application/json", json);
+}