Use signed in a bunch of places

src/config.hpp

@@ -17,7 +17,7 @@ struct ServerConfig {
   /// Unix socket path (if specified, takes precedence over TCP)
   std::string unix_socket_path;
   /// Maximum size in bytes for incoming HTTP requests (default: 1MB)
-  size_t max_request_size_bytes = 1024 * 1024;
+  int64_t max_request_size_bytes = 1024 * 1024;
   /// Number of I/O threads for handling connections and network events
   int io_threads = 1;
   /// Number of epoll instances to reduce epoll_ctl contention (default:
@@ -28,7 +28,7 @@ struct ServerConfig {
   /// Maximum number of concurrent connections (0 = unlimited)
   int max_connections = 50000;
   /// Buffer size for reading from socket connections (default: 16KB)
-  size_t read_buffer_size = 16 * 1024;
+  int read_buffer_size = 16 * 1024;
 };
 
 /**
@@ -36,11 +36,11 @@ struct ServerConfig {
  */
 struct CommitConfig {
   /// Minimum required length for request_id to ensure sufficient entropy
-  size_t min_request_id_length = 20;
+  int min_request_id_length = 20;
   /// How long to retain request IDs for duplicate detection
   std::chrono::hours request_id_retention_hours{24};
   /// Minimum number of commit versions to retain request IDs for
-  size_t request_id_retention_versions = 100000000;
+  int64_t request_id_retention_versions = 100000000;
 };
 
 /**
@@ -48,7 +48,7 @@ struct CommitConfig {
  */
 struct SubscriptionConfig {
   /// Maximum buffer size for unconsumed subscription data before backpressure
-  size_t max_buffer_size_bytes = 10 * 1024 * 1024;
+  int64_t max_buffer_size_bytes = 10 * 1024 * 1024;
   /// Interval between keepalive comments in subscription streams
   std::chrono::seconds keepalive_interval{30};
 };