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co-mono/packages/mom/CHANGELOG.md
Mario Zechner 4e01eca40e mom: add working memory system and improve log querying 
- Add MEMORY.md files for persistent working memory
  - Global memory: workspace/MEMORY.md (shared across channels)
  - Channel memory: workspace/<channel>/MEMORY.md (channel-specific)
  - Automatically loaded into system prompt on each request

- Enhance JSONL log format with ISO 8601 dates
  - Add 'date' field for easy grepping (e.g., grep '"date":"2025-11-26"')
  - Migrated existing logs to include date field

- Improve log query efficiency
  - Add jq query patterns to prevent context overflow
  - Emphasize limiting NUMBER of messages (10-50), not truncating text
  - Show full message text and attachments in queries
  - Handle null/empty attachments with (.attachments // [])

- Optimize system prompt
  - Add current date/time for date-aware operations
  - Format recent messages as TSV (43% token savings vs raw JSONL)
  - Add efficient query examples with both JSON and TSV output

- Enhanced security documentation
  - Add prompt injection risk warnings
  - Document credential exfiltration scenarios
  - Provide mitigation strategies
2025-11-26 13:21:43 +01:00

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Changelog

[Unreleased]

Added

  • Working memory system with MEMORY.md files
    • Global workspace memory (workspace/MEMORY.md) shared across all channels
    • Channel-specific memory (workspace/<channel>/MEMORY.md) for per-channel context
    • Automatic memory loading into system prompt on each request
    • Mom can update memory files to remember project details, preferences, and context
  • ISO 8601 date field in log.jsonl for easy date-based grepping
    • Format: "date":"2025-11-26T10:44:00.123Z"
    • Enables queries like: grep '"date":"2025-11-26' log.jsonl

Changed

  • Enhanced system prompt with clearer directory structure and path examples
  • Improved memory file path documentation to prevent confusion
  • Message history format now includes ISO 8601 date for better searchability
  • System prompt now includes log.jsonl format documentation with grep examples
  • System prompt now includes current date and time for date-aware operations
  • Added efficient log query patterns using jq to prevent context overflow
  • System prompt emphasizes limiting NUMBER of messages (10-50), not truncating message text
  • Log queries now show full message text and attachments for better context
  • Fixed jq patterns to handle null/empty attachments with (.attachments // [])
  • Recent messages in system prompt now formatted as TSV (43% token savings vs raw JSONL)
  • Enhanced security documentation with prompt injection risk warnings and mitigations

Fixed

  • jq query patterns now properly handle messages without attachments (no more errors on empty arrays)

[0.9.4] - 2025-11-26

Added

  • Initial release of Mom Slack bot
  • Slack integration with @mentions and DMs
  • Docker sandbox mode for isolated execution
  • Bash tool with full shell access
  • Read, write, edit file tools
  • Attach tool for sharing files in Slack
  • Thread-based tool details (clean main messages, verbose details in threads)
  • Single accumulated message per agent run
  • Stop command (@mom stop) to abort running tasks
  • Persistent workspace per channel with scratchpad directory
  • Streaming console output for monitoring