chore: include pre-built dist for github install

dist/shared/agent-variant.d.ts

@@ -0,0 +1,9 @@
+import type { OhMyOpenCodeConfig } from "../config";
+export declare function resolveAgentVariant(config: OhMyOpenCodeConfig, agentName?: string): string | undefined;
+export declare function resolveVariantForModel(config: OhMyOpenCodeConfig, agentName: string, currentModel: {
+    providerID: string;
+    modelID: string;
+}): string | undefined;
+export declare function applyAgentVariant(config: OhMyOpenCodeConfig, agentName: string | undefined, message: {
+    variant?: string;
+}): void;