feat: add ability to stop Claude execution mid-way using loading icon as cancel button

src/lib/api.ts

@@ -918,6 +918,13 @@ export const api = {
     return invoke("resume_claude_code", { projectPath, sessionId, prompt, model });
   },
 
+  /**
+   * Cancels the currently running Claude Code execution
+   */
+  async cancelClaudeExecution(): Promise<void> {
+    return invoke("cancel_claude_execution");
+  },
+
   /**
    * Lists files and directories in a given path
    */