Introduces a comprehensive strategy to safeguard the feature_list.json file from accidental modifications. Key enhancements include:
1. **Prompt-Level Warnings**: Added explicit warnings in agent prompts to prevent direct modifications.
2. **Dedicated MCP Tool**: Implemented the UpdateFeatureStatus tool for safe feature updates.
3. **File-Level Validation & Auto-Backup**: Added validation checks and automatic backups before modifications to prevent data loss.
4. **Tool Access Control**: Restricted agent access to critical tools, ensuring only the designated MCP tool can modify the feature list.
This update significantly reduces the risk of catastrophic data loss and ensures a robust feature management process.
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