set accessed at the proper time, clear buffers to save memory

Author: xhuw

src/async_bash_mcp/__init__.py

@@ -219,8 +219,6 @@ async def poll_process(
             process_info.stdout_position = len(process_info.stdout_buffer)
             process_info.stderr_position = len(process_info.stderr_buffer)
 
-            # Mark as accessed
-            process_info.accessed = True
 
             elapsed_time = (time.time() - process_info.start_time) * 1000
 
@@ -232,6 +230,10 @@ async def poll_process(
             }
 
             if process_info.finished:
+                # Mark as accessed
+                process_info.accessed = True
+                process_info.stdout_buffer = ""
+                process_info.stderr_buffer = ""
                 result["exitCode"] = process_info.exit_code
 
             return result
@@ -311,6 +313,16 @@ async def spawn(
 
     Returns a unique process ID that can be used to check progress with the poll tool. **ALWAYS POLL THE PROCESS AFTER SPAWNING**.
 
+    Multiple commands can be spawned in parallel and independently polled. If the task requires running independent bash commands, run them in parrallel.
+
+    Example:
+
+        1. User requests the results of `test a` and `test b`
+        2. spawn `test a`
+        3. spawn `test b`
+        4. while test a is running: poll test a
+        5. while test b is running: poll test b
+
     Args:
         command: The bash command to execute
         cwd: Optional working directory path (defaults to current directory)