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Add character limit enforcement for read_state_description and action_results

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Magnus Müller
2025-09-22 16:10:05 -07:00
parent 5d749793ec
commit a5cc03d782
1 changed files with 14 additions and 0 deletions
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14
browser_use/agent/message_manager/service.py
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@@ -187,6 +187,7 @@ class MessageManager:
action_results = ''
result_len = len(result)
read_state_idx = 0
for idx, action_result in enumerate(result):
if action_result.include_extracted_content_only_once and action_result.extracted_content:
self.state.read_state_description += (
@@ -210,12 +211,25 @@ class MessageManager:
action_results += f'{error_text}\n'
logger.debug(f'Added error to action_results: {error_text}')
# Simple 60k character limit for read_state_description
MAX_CONTENT_SIZE = 60000
if len(self.state.read_state_description) > MAX_CONTENT_SIZE:
self.state.read_state_description = (
self.state.read_state_description[:MAX_CONTENT_SIZE] + '\n... [Content truncated at 60k characters]'
)
logger.debug(f'Truncated read_state_description to {MAX_CONTENT_SIZE} characters')
self.state.read_state_description = self.state.read_state_description.strip('\n')
if action_results:
action_results = f'Result:\n{action_results}'
action_results = action_results.strip('\n') if action_results else None
# Simple 60k character limit for action_results
if action_results and len(action_results) > MAX_CONTENT_SIZE:
action_results = action_results[:MAX_CONTENT_SIZE] + '\n... [Content truncated at 60k characters]'
logger.debug(f'Truncated action_results to {MAX_CONTENT_SIZE} characters')
# Build the history item
if model_output is None:
# Add history item for initial actions (step 0) or errors (step > 0)