🤖 debug: add exit/output logging to LocalBaseRuntime.exec

Author: ibetitsmike

src/node/runtime/LocalBaseRuntime.ts

@@ -132,6 +132,16 @@ export abstract class LocalBaseRuntime implements Runtime {
     let timedOut = false;
     let aborted = false;
 
+    // Debug: log raw stdout/stderr from the child process
+    let debugStdout = "";
+    let debugStderr = "";
+    childProcess.stdout?.on("data", (chunk: Buffer) => {
+      debugStdout += chunk.toString();
+    });
+    childProcess.stderr?.on("data", (chunk: Buffer) => {
+      debugStderr += chunk.toString();
+    });
+
     // Create promises for exit code and duration
     // Uses special exit codes (EXIT_CODE_ABORTED, EXIT_CODE_TIMEOUT) for expected error conditions
     const exitCode = new Promise<number>((resolve, reject) => {
@@ -140,6 +150,12 @@ export abstract class LocalBaseRuntime implements Runtime {
       // which causes hangs when users spawn background processes like servers.
       // The 'exit' event fires when the main bash process exits, which is what we want.
       childProcess.on("exit", (code) => {
+        log.info(`[LocalBaseRuntime.exec] Process exited with code: ${code}`);
+        log.info(`[LocalBaseRuntime.exec] stdout length: ${debugStdout.length}`);
+        log.info(`[LocalBaseRuntime.exec] stdout: ${debugStdout.substring(0, 500)}${debugStdout.length > 500 ? "..." : ""}`);
+        if (debugStderr) {
+          log.info(`[LocalBaseRuntime.exec] stderr: ${debugStderr.substring(0, 500)}${debugStderr.length > 500 ? "..." : ""}`);
+        }
         // Clean up any background processes (process group cleanup)
         // This prevents zombie processes when scripts spawn background tasks
         if (childProcess.pid !== undefined) {