feat(tarko-agent): context compression strategies#1496
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Add comprehensive context compression system to prevent context window overflow: - Four built-in strategies: sliding_window, structured_summary, tool_response_compression, smart_truncation - Inspired by Manus (external storage), Claude Code (8-section summary), Gemini CLI (sliding window) - Configurable compression thresholds and strategies - Automatic compression triggers and manual compression support - Integration with Agent message history and event stream - Comprehensive test coverage and documentation - Backward compatible with existing Agent configurations Strategies: - sliding_window: Keeps recent messages (Gemini CLI approach, 70% threshold) - structured_summary: Creates structured summaries (Claude Code approach, 92% threshold) - tool_response_compression: Compresses large tool responses (Manus approach) - smart_truncation: Intelligent message selection based on importance scoring Features: - Token counting and context window management - Compression statistics and monitoring - Strategy registry for custom implementations - Event stream integration for compression notifications - Graceful fallbacks and error handling
Add comprehensive safety mechanisms to prevent context overflow: - ContextSafetyGuards class with multi-layer protection - Automatic preprocessing to truncate oversized messages - Emergency compression as last resort fallback - Validation of compressed results with safety margins - Graceful degradation when normal strategies fail Safety layers: 1. Preprocessing: Truncate messages > 30% of context window 2. Strategy compression: Apply selected compression strategy 3. Validation: Ensure results don't exceed limits (10% margin) 4. Emergency compression: Aggressive fallback (50% target) 5. Graceful fallback: Minimal viable context if all else fails Features: - Individual message size validation and truncation - Multimodal content handling in safety checks - Emergency compression preserving system + last user message - Comprehensive test coverage (51 tests passing) - Detailed logging with [EMERGENCY] markers This provides near-guarantee against context overflow while preserving maximum possible context through intelligent fallback mechanisms.
Add comprehensive context compression system with multiple strategies: - sliding_window: Gemini CLI approach (70% threshold, 30% preservation) - structured_summary: Claude Code approach (8-section summarization) - tool_response_compression: Manus approach (external storage pattern) - smart_truncation: Intelligent message selection Includes safety guards, token counting, and automatic compression
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ulivz
changed the title
Maintain sync toMessageHistory for existing tests while adding async version for context compression support in agent runner
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Summary
Implement comprehensive context compression system for
@tarko/agentto prevent "Prompt too long" errors in multi-turn conversations.Features
sliding_window,structured_summary,tool_response_compression,smart_truncationtoMessageHistoryAPI while adding async compressionStrategy Details
Configuration
Backward Compatibility
toMessageHistory()method remains synchronoustoMessageHistoryAsync()method handles compression in agent runnerChecklist