Update /ok to serve dual health check/benchmarking role

src/http_handler.hpp

@@ -10,9 +10,9 @@
 
 #include "api_url_parser.hpp"
 #include "arena_allocator.hpp"
+#include "config.hpp"
 #include "connection.hpp"
 #include "connection_handler.hpp"
-#include "loop_iterations.hpp"
 #include "perfetto_categories.hpp"
 #include "pipeline_entry.hpp"
 #include "server.hpp"
@@ -70,9 +70,9 @@ struct HttpConnectionState {
  * Supports the WeaselDB REST API endpoints with enum-based routing.
  */
 struct HttpHandler : ConnectionHandler {
-  HttpHandler()
-      : banned_request_ids(
-            ArenaStlAllocator<std::string_view>(&banned_request_arena)) {
+  explicit HttpHandler(const weaseldb::Config &config)
+      : config_(config), banned_request_ids(ArenaStlAllocator<std::string_view>(
+                             &banned_request_arena)) {
     // Stage 0: Sequence assignment thread
     sequenceThread = std::thread{[this]() {
       pthread_setname_np(pthread_self(), "txn-sequence");
@@ -153,6 +153,9 @@ struct HttpHandler : ConnectionHandler {
 private:
   static constexpr int lg_size = 16;
 
+  // Configuration reference
+  const weaseldb::Config &config_;
+
   // Pipeline state (sequence thread only)
   int64_t next_version = 1; // Next version to assign (sequence thread only)
 
@@ -208,9 +211,10 @@ private:
   void handle_not_found(Connection &conn, const HttpConnectionState &state);
 
   // HTTP utilities
-  static void sendResponse(Connection &conn, int status_code,
-                           std::string_view content_type, std::string_view body,
-                           bool close_connection = false);
+  static void send_response(Connection &conn, int status_code,
+                            std::string_view content_type,
+                            std::string_view body,
+                            bool close_connection = false);
   static void send_json_response(Connection &conn, int status_code,
                                  std::string_view json,
                                  bool close_connection = false);