fix flake and pull in os zstd fixes

.gitmodules

@@ -20,3 +20,6 @@
 [submodule "external/solanaceae_plugin"]
 	path = external/solanaceae_plugin
 	url = https://github.com/Green-Sky/solanaceae_plugin.git
+[submodule "external/solanaceae_object_store"]
+	path = external/solanaceae_object_store
+	url = https://github.com/Green-Sky/solanaceae_object_store.git

external/CMakeLists.txt

@@ -12,6 +12,8 @@ add_subdirectory(./toxcore)
 add_subdirectory(./solanaceae_toxcore)
 add_subdirectory(./solanaceae_tox)
 
+add_subdirectory(./solanaceae_object_store)
+
 add_subdirectory(./sdl)
 add_subdirectory(./imgui)
 

flake.nix

@@ -58,6 +58,9 @@
         cmakeFlags = [
           "-DTOMATO_ASAN=OFF"
           "-DCMAKE_BUILD_TYPE=RelWithDebInfo"
+          "-DFETCHCONTENT_SOURCE_DIR_JSON=${pkgs.nlohmann_json.src}" # we care less about version here
+          # do we really care less about the version? do we need a stable abi?
+          "-DFETCHCONTENT_SOURCE_DIR_ZSTD=${pkgs.zstd.src}" # TODO: use package instead
         ];
 
         # TODO: replace with install command

src/CMakeLists.txt

@@ -82,6 +82,8 @@ target_link_libraries(tomato PUBLIC
 	solanaceae_tox_contacts
 	solanaceae_tox_messages
 
+	solanaceae_object_store
+
 	SDL3::SDL3
 
 	imgui

src/main_screen.cpp

@@ -49,6 +49,8 @@ MainScreen::MainScreen(SDL_Renderer* renderer_, std::string save_path, std::stri
 	std::cout << "own address: " << tc.toxSelfGetAddressStr() << "\n";
 
 	{ // setup plugin instances
+		g_provideInstance<ObjectStore2>("ObjectStore2", "host", &os);
+
 		g_provideInstance<ConfigModelI>("ConfigModelI", "host", &conf);
 		g_provideInstance<Contact3Registry>("Contact3Registry", "1", "host", &cr);
 		g_provideInstance<RegistryMessageModel>("RegistryMessageModel", "host", &rmm);

src/main_screen.hpp

@@ -2,6 +2,7 @@
 
 #include "./screen.hpp"
 
+#include <solanaceae/object_store/object_store.hpp>
 #include <solanaceae/util/simple_config_model.hpp>
 #include <solanaceae/contact/contact_model3.hpp>
 #include <solanaceae/message3/registry_message_model.hpp>
@@ -43,6 +44,8 @@ extern "C" {
 struct MainScreen final : public Screen {
 	SDL_Renderer* renderer;
 
+	ObjectStore2 os;
+
 	SimpleConfigModel conf;
 	Contact3Registry cr;
 	RegistryMessageModel rmm;