fix: add missing couponCodeSet and aws fields to oRPC schema

The ProviderConfigInfoSchema was missing couponCodeSet (for Mux Gateway)
and aws (for Bedrock). oRPC strips fields not in the schema, so these
values were never reaching the frontend UI.

Author: ThomasK33

src/common/orpc/schemas/api.ts

@@ -39,10 +39,21 @@ export const tokenizer = {
 };
 
 // Providers
+export const AWSCredentialStatusSchema = z.object({
+  region: z.string().optional(),
+  bearerTokenSet: z.boolean(),
+  accessKeyIdSet: z.boolean(),
+  secretAccessKeySet: z.boolean(),
+});
+
 export const ProviderConfigInfoSchema = z.object({
   apiKeySet: z.boolean(),
   baseUrl: z.string().optional(),
   models: z.array(z.string()).optional(),
+  /** AWS-specific fields (only present for bedrock provider) */
+  aws: AWSCredentialStatusSchema.optional(),
+  /** Mux Gateway-specific fields */
+  couponCodeSet: z.boolean().optional(),
 });
 
 export const ProvidersConfigMapSchema = z.record(z.string(), ProviderConfigInfoSchema);