fix: make run field optional in ExecuteResponse to match compile

Co-Authored-By: Claude <noreply@anthropic.com>

Author: koki-develop

src/client.spec.ts

@@ -238,8 +238,8 @@ describe("Piston", () => {
 			expect(result.compile).toBeDefined();
 			expect(result.compile?.cpuTime).toBe(1000);
 			expect(result.compile?.wallTime).toBe(1200);
-			expect(result.run.cpuTime).toBe(5);
-			expect(result.run.wallTime).toBe(50);
+			expect(result.run?.cpuTime).toBe(5);
+			expect(result.run?.wallTime).toBe(50);
 		});
 
 		it("should handle runtime error status", async () => {
@@ -270,8 +270,8 @@ describe("Piston", () => {
 				files: [{ content: "print(undefined)" }],
 			});
 
-			expect(result.run.status).toBe("RE");
-			expect(result.run.code).toBe(1);
+			expect(result.run?.status).toBe("RE");
+			expect(result.run?.code).toBe(1);
 		});
 
 		it("should handle timeout status", async () => {
@@ -302,9 +302,9 @@ describe("Piston", () => {
 				files: [{ content: "while True: pass" }],
 			});
 
-			expect(result.run.status).toBe("TO");
-			expect(result.run.signal).toBe("SIGKILL");
-			expect(result.run.code).toBeNull();
+			expect(result.run?.status).toBe("TO");
+			expect(result.run?.signal).toBe("SIGKILL");
+			expect(result.run?.code).toBeNull();
 		});
 
 		it("should handle signal termination", async () => {
@@ -347,8 +347,8 @@ describe("Piston", () => {
 				files: [{ content: "int main() { int *p = 0; *p = 1; }" }],
 			});
 
-			expect(result.run.status).toBe("SG");
-			expect(result.run.signal).toBe("SIGSEGV");
+			expect(result.run?.status).toBe("SG");
+			expect(result.run?.signal).toBe("SIGSEGV");
 		});
 	});
 

src/client.ts

@@ -60,7 +60,7 @@ interface RawExecuteResponse {
 	language: string;
 	version: string;
 	compile?: RawStageResult;
-	run: RawStageResult;
+	run?: RawStageResult;
 }
 
 /**
@@ -284,13 +284,16 @@ export class Piston {
 		const result: ExecuteResponse = {
 			language: raw.language,
 			version: raw.version,
-			run: this.toStageResult(raw.run),
 		};
 
 		if (raw.compile) {
 			result.compile = this.toStageResult(raw.compile);
 		}
 
+		if (raw.run) {
+			result.run = this.toStageResult(raw.run);
+		}
+
 		return result;
 	}
 

src/types/response.ts

@@ -82,7 +82,7 @@ export interface ExecuteResponse {
 	 * Run stage result.
 	 * Always present.
 	 */
-	run: StageResult;
+	run?: StageResult;
 }
 
 /**