Fix _costDollars field

Author: Theodore Li

apps/sim/tools/exa/types.ts

@@ -55,7 +55,7 @@ export interface ExaSearchResult {
 export interface ExaSearchResponse extends ToolResponse {
   output: {
     results: ExaSearchResult[]
-    costDollars?: ExaCostDollars
+    __costDollars?: ExaCostDollars
   }
 }
 
@@ -84,7 +84,7 @@ export interface ExaGetContentsResult {
 export interface ExaGetContentsResponse extends ToolResponse {
   output: {
     results: ExaGetContentsResult[]
-    costDollars?: ExaCostDollars
+    __costDollars?: ExaCostDollars
   }
 }
 
@@ -127,7 +127,7 @@ export interface ExaSimilarLink {
 export interface ExaFindSimilarLinksResponse extends ToolResponse {
   output: {
     similarLinks: ExaSimilarLink[]
-    costDollars?: ExaCostDollars
+    __costDollars?: ExaCostDollars
   }
 }
 
@@ -145,7 +145,7 @@ export interface ExaAnswerResponse extends ToolResponse {
       url: string
       text: string
     }[]
-    costDollars?: ExaCostDollars
+    __costDollars?: ExaCostDollars
   }
 }
 

apps/sim/tools/index.ts

@@ -373,8 +373,8 @@ async function applyHostedKeyCostToResult(
     finalResult.output = {
       ...finalResult.output,
       cost: {
-        total: hostedKeyCost,
         ...metadata,
+        total: hostedKeyCost,
       },
     }
   }