2 files changed, 63 insertions, 0 deletions

diff --git a/src-tauri/src/core/mod.rs b/src-tauri/src/core/mod.rs
index 475a304..3c09a76 100644
--- a/src-tauri/src/core/mod.rs
+++ b/src-tauri/src/core/mod.rs
@@ -2,7 +2,11 @@ pub mod account_storage;
 pub mod auth;
 pub mod config;
 pub mod downloader;
+pub mod fabric;
+pub mod forge;
 pub mod game_version;
 pub mod java;
 pub mod manifest;
+pub mod maven;
 pub mod rules;
+pub mod version_merge;
diff --git a/ui/src/types/index.ts b/ui/src/types/index.ts
index 1f83585..933aab5 100644
--- a/ui/src/types/index.ts
+++ b/ui/src/types/index.ts
@@ -37,3 +37,62 @@ export interface JavaInstallation {
   version: string;
   is_64bit: boolean;
 }
+
+// ==================== Fabric Types ====================
+
+export interface FabricGameVersion {
+  version: string;
+  stable: boolean;
+}
+
+export interface FabricLoaderVersion {
+  separator: string;
+  build: number;
+  maven: string;
+  version: string;
+  stable: boolean;
+}
+
+export interface FabricLoaderEntry {
+  loader: FabricLoaderVersion;
+  intermediary: {
+    maven: string;
+    version: string;
+    stable: boolean;
+  };
+  launcherMeta: {
+    version: number;
+    mainClass: {
+      client: string;
+      server: string;
+    };
+  };
+}
+
+export interface InstalledFabricVersion {
+  id: string;
+  minecraft_version: string;
+  loader_version: string;
+  path: string;
+}
+
+// ==================== Forge Types ====================
+
+export interface ForgeVersion {
+  version: string;
+  minecraft_version: string;
+  recommended: boolean;
+  latest: boolean;
+}
+
+export interface InstalledForgeVersion {
+  id: string;
+  minecraft_version: string;
+  forge_version: string;
+  path: string;
+}
+
+// ==================== Mod Loader Type ====================
+
+export type ModLoaderType = "vanilla" | "fabric" | "forge";
+