feat(exa): add x-exa-integration header for usage attribution

Sets x-exa-integration: sim on all Exa API requests so Exa can attribute
usage to this integration on their side.

Author: tgonzalezc5

apps/sim/tools/exa/answer.ts

@@ -53,6 +53,7 @@ export const answerTool: ToolConfig<ExaAnswerParams, ExaAnswerResponse> = {
     headers: (params) => ({
       'Content-Type': 'application/json',
       'x-api-key': params.apiKey,
+      'x-exa-integration': 'sim',
     }),
     body: (params) => {
       const body: Record<string, any> = {

apps/sim/tools/exa/find_similar_links.ts

@@ -102,6 +102,7 @@ export const findSimilarLinksTool: ToolConfig<
     headers: (params) => ({
       'Content-Type': 'application/json',
       'x-api-key': params.apiKey,
+      'x-exa-integration': 'sim',
     }),
     body: (params) => {
       const body: Record<string, any> = {

apps/sim/tools/exa/get_contents.ts

@@ -87,6 +87,7 @@ export const getContentsTool: ToolConfig<ExaGetContentsParams, ExaGetContentsRes
     headers: (params) => ({
       'Content-Type': 'application/json',
       'x-api-key': params.apiKey,
+      'x-exa-integration': 'sim',
     }),
     body: (params) => {
       // Parse the comma-separated URLs into an array

apps/sim/tools/exa/research.ts

@@ -42,6 +42,7 @@ export const researchTool: ToolConfig<ExaResearchParams, ExaResearchResponse> =
     headers: (params) => ({
       'Content-Type': 'application/json',
       'x-api-key': params.apiKey,
+      'x-exa-integration': 'sim',
     }),
     body: (params) => {
       const body: any = {
@@ -85,6 +86,7 @@ export const researchTool: ToolConfig<ExaResearchParams, ExaResearchResponse> =
           headers: {
             'x-api-key': params.apiKey,
             'Content-Type': 'application/json',
+            'x-exa-integration': 'sim',
           },
         })
 

apps/sim/tools/exa/search.ts

@@ -112,6 +112,7 @@ export const searchTool: ToolConfig<ExaSearchParams, ExaSearchResponse> = {
     headers: (params) => ({
       'Content-Type': 'application/json',
       'x-api-key': params.apiKey,
+      'x-exa-integration': 'sim',
     }),
     body: (params) => {
       const body: Record<string, any> = {