[BUG] /clear initially clears context in Claude Code, but context returns above /clear on subsequent prompts

Environment

• Platform (select one):
• [ ] Anthropic API
• [ ] AWS Bedrock
• [ ] Google Vertex AI
• [ ] Other: cursor
• Claude CLI version: Claude Code 1.0.62
• Operating System: macOS 15.5
• Terminal: Claude Code integration with cursor

Bug Description

after a coding session, using /clear will initially remove the accumulated context. on subsequent prompts, a portion of the old context will reappear in the context window above the /clear command

Steps to Reproduce

1. build up some context
2. /clear it
3. continue prompting

Expected Behavior

/clear will do as it is designed to, and remove context permanently

Actual Behavior

some context returned

Additional Context

<!-- Add any other context about the problem here, such as screenshots, logs, etc. -->