fix: type errors raised due to multimodal embeddings type

Author: VisargD

src/providers/ai21/embed.ts

@@ -11,7 +11,7 @@ export const AI21EmbedConfig: ProviderConfig = {
     required: true,
     transform: (params: EmbedParams): string[] => {
       if (Array.isArray(params.input)) {
-        return params.input;
+        return params.input as string[];
       } else {
         return [params.input];
       }

src/providers/cohere/embed.ts

@@ -9,7 +9,7 @@ export const CohereEmbedConfig: ProviderConfig = {
     required: true,
     transform: (params: EmbedParams): string[] => {
       if (Array.isArray(params.input)) {
-        return params.input;
+        return params.input as string[];
       } else {
         return [params.input];
       }

src/providers/workers-ai/embed.ts

@@ -13,7 +13,7 @@ export const WorkersAiEmbedConfig: ProviderConfig = {
     required: true,
     transform: (params: EmbedParams): string[] => {
       if (Array.isArray(params.input)) {
-        return params.input;
+        return params.input as string[];
       } else {
         return [params.input];
       }