fix tsc

Author: Your Name

coverage/API.ts.html

@@ -403,7 +403,7 @@ <h1><a href="index.html">All files</a> API.ts</h1>
             <div class='footer quiet pad2 space-top1 center small'>
                 Code coverage generated by
                 <a href="https://istanbul.js.org/" target="_blank" rel="noopener noreferrer">istanbul</a>
-                at 2025-07-14T04:55:00.451Z
+                at 2025-08-02T20:21:56.395Z
             </div>
         <script src="prettify.js"></script>
         <script>

coverage/index.html

@@ -116,7 +116,7 @@ <h1>All files</h1>
             <div class='footer quiet pad2 space-top1 center small'>
                 Code coverage generated by
                 <a href="https://istanbul.js.org/" target="_blank" rel="noopener noreferrer">istanbul</a>
-                at 2025-07-14T04:55:00.451Z
+                at 2025-08-02T20:21:56.395Z
             </div>
         <script src="prettify.js"></script>
         <script>

coverage/utils.ts.html

@@ -139,7 +139,7 @@ <h1><a href="index.html">All files</a> utils.ts</h1>
             <div class='footer quiet pad2 space-top1 center small'>
                 Code coverage generated by
                 <a href="https://istanbul.js.org/" target="_blank" rel="noopener noreferrer">istanbul</a>
-                at 2025-07-14T04:55:00.451Z
+                at 2025-08-02T20:21:56.395Z
             </div>
         <script src="prettify.js"></script>
         <script>

src/__tests__/api.test.ts

@@ -17,8 +17,8 @@ describe('API module', () => {
 
   describe('getTranslation', () => {
     it('should call fetch with correct parameters', async () => {
-      const source: LangChoice = { name: 'English', code: 'en', targets: [] };
-      const target: LangChoice = { name: 'Spanish', code: 'es', targets: [] };
+      const source: LangChoice = { name: 'English', code: 'en', targets: [], history: [] };
+      const target: LangChoice = { name: 'Spanish', code: 'es', targets: [], history: [] };
       const text = 'Hello';
 
       const api = API();
@@ -39,8 +39,8 @@ describe('API module', () => {
     });
 
     it('should return parsed response', async () => {
-      const source: LangChoice = { name: 'English', code: 'en', targets: [] };
-      const target: LangChoice = { name: 'Spanish', code: 'es', targets: [] };
+      const source: LangChoice = { name: 'English', code: 'en', targets: [], history: [] };
+      const target: LangChoice = { name: 'Spanish', code: 'es', targets: [], history: [] };
       const text = 'Hello';
 
       const api = API();
@@ -54,8 +54,8 @@ describe('API module', () => {
         Promise.reject(new Error('Network error'))
       );
 
-      const source: LangChoice = { name: 'English', code: 'en', targets: [] };
-      const target: LangChoice = { name: 'Spanish', code: 'es', targets: [] };
+      const source: LangChoice = { name: 'English', code: 'en', targets: [], history: [] };
+      const target: LangChoice = { name: 'Spanish', code: 'es', targets: [], history: [] };
       const text = 'Hello';
 
       const api = API();
@@ -79,8 +79,8 @@ describe('API module', () => {
     });
 
     it('should call fetch with correct parameters', async () => {
-      const source: LangChoice = { name: 'English', code: 'en', targets: [] };
-      const target: LangChoice = { name: 'Spanish', code: 'es', targets: [] };
+      const source: LangChoice = { name: 'English', code: 'en', targets: [], history: [] };
+      const target: LangChoice = { name: 'Spanish', code: 'es', targets: [], history: [] };
       const text = 'Hello';
 
       const api = API();
@@ -93,8 +93,8 @@ describe('API module', () => {
     });
 
     it('should return parsed response with notable words', async () => {
-      const source: LangChoice = { name: 'English', code: 'en', targets: [] };
-      const target: LangChoice = { name: 'Spanish', code: 'es', targets: [] };
+      const source: LangChoice = { name: 'English', code: 'en', targets: [], history: [] };
+      const target: LangChoice = { name: 'Spanish', code: 'es', targets: [], history: [] };
       const text = 'Hello';
 
       const api = API();