Function api_format_name

server/src/server/http_server.cpp:368–375

Logging helpers shared by route_request() / worker_loop(). Kept static (file-scope) so they don't leak into the public ABI; the chat lifecycle logs that use them are part of #270's request-tracing instrumentation.

// (file-scope) so they don't leak into the public ABI; the chat lifecycle
// logs that use them are part of #270's request-tracing instrumentation.
static const char * api_format_name(ApiFormat format) {
    switch (format) {
    case ApiFormat::OPENAI_CHAT: return "chat";
    case ApiFormat::ANTHROPIC:   return "anthropic";
    case ApiFormat::RESPONSES:   return "responses";
    default:                     return "unknown";
    }
}

static size_t json_array_size(const json & value) {
    return value.is_array() ? value.size() : 0;