Create lib/config.ts

lib/config.ts

@@ -0,0 +1,39 @@
+export const VALID_MODELS = {
+  ACE_STEP: "ACE-Step/ACE-Step-v1-3.5B",
+  DREAM_VAE: "daydreamlive/DreamVAE",
+};
+
+export function validateModel(model: string) {
+  return Object.values(VALID_MODELS).includes(model);
+}
+
+export function validateApiKey(key?: string) {
+  return typeof key === "string" && key.trim().length > 0;
+}
+
+// lib/types.ts
+export type VoiceType = "Random" | "Male" | "Female";
+
+export interface GenerateRequestBody {
+  stylePrompt: string;
+  lyricPrompt?: string;
+  voice: VoiceType;
+  durationSeconds?: number;
+}
+
+export interface EditRequestBody {
+  operation: "cover" | "extend" | "swap_vocal" | "crop";
+  trackId: string;
+  params?: Record<string, unknown>;
+}
+
+// lib/cache.ts
+const genCache = new Map<string, any>();
+
+export function getCachedGeneration(key: string) {
+  return genCache.get(key);
+}
+
+export function setCachedGeneration(key: string, value: any) {
+  genCache.set(key, value);
+}