Only create new output file for new commands, preserve file for conti…

…nued/timeout commands

openhands/runtime/utils/bash.py

@@ -294,13 +294,15 @@ def _handle_hard_timeout_command(
 
     def execute(self, action: CmdRunAction) -> CmdOutputObservation | ErrorObservation:
         """Execute a command in the bash session."""
-        # Clean up previous output file if it exists
-        if self.output_file and self.output_file.exists():
-            self.output_file.unlink()
-
-        # Create new output file for this command
-        command_id = str(uuid.uuid4())
-        self.output_file = self.output_dir / f'{command_id}.txt'
+        # Only create new output file if previous state is None or COMPLETED
+        if self.prev_status in {None, BashCommandStatus.COMPLETED}:
+            # Clean up previous output file if it exists
+            if self.output_file and self.output_file.exists():
+                self.output_file.unlink()
+
+            # Create new output file for this command
+            command_id = str(uuid.uuid4())
+            self.output_file = self.output_dir / f'{command_id}.txt'
         if action.command.strip() == '' and self.prev_status not in {
             BashCommandStatus.CONTINUE,
             BashCommandStatus.NO_CHANGE_TIMEOUT,
@@ -334,9 +336,10 @@ def execute(self, action: CmdRunAction) -> CmdOutputObservation | ErrorObservati
         )
 
         if action.command.strip() != '':
-            # Set up output redirection for this command
-            self.pane.send_keys(f'exec > >(tee -a "{self.output_file}") 2>&1')
-            time.sleep(0.1)  # Wait for redirection to take effect
+            # Set up output redirection only when creating new file
+            if self.prev_status in {None, BashCommandStatus.COMPLETED}:
+                self.pane.send_keys(f'exec > >(tee -a "{self.output_file}") 2>&1')
+                time.sleep(0.1)  # Wait for redirection to take effect
 
             self.pane.send_keys(
                 action.command,