refactor(main): split main.ts into focused runtime modules (#123)

src/main/runtime/update/update-support-assets-runtime.ts

@@ -0,0 +1,24 @@
+export async function runSupportAssetUpdatesForLauncherResult<
+  TLauncherResult,
+  TSupportResult extends { status: string; command?: string; message?: string },
+>(options: {
+  launcherResult: TLauncherResult;
+  assetDescription?: string;
+  updateSupportAssets: () => Promise<TSupportResult[]>;
+  logWarn: (message: string, details?: unknown) => void;
+}): Promise<TLauncherResult> {
+  const assetDescription = options.assetDescription ?? 'Support asset update';
+  try {
+    const supportResults = await options.updateSupportAssets();
+    for (const result of supportResults) {
+      if (result.status === 'protected' && result.command) {
+        options.logWarn(`${assetDescription} requires manual command: ${result.command}`);
+      } else if (result.status === 'hash-mismatch' || result.status === 'missing-asset') {
+        options.logWarn(`${assetDescription} skipped: ${result.message ?? result.status}`);
+      }
+    }
+  } catch (error) {
+    options.logWarn('Support asset update failed after launcher update', error);
+  }
+  return options.launcherResult;
+}