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March 30, 2026 22:26
- Memory Governor: manages Core vs Main memory layers based on usage (3 hits/session to promote, 10 sessions idle to demote) - Collective Wisdom: cross-project search and strategic suggestions for complex tasks - Usage tracking: SQLite migrations for access_count and session-based tracking - MCP server: added memory_record_usage, memory_governor, and memory_collective_solve tools
- Fast tier: in-memory SQLite with 24h TTL - Medium tier: SSD with 7d retention and LRU eviction - Slow tier: HDD with async semantic search via Ollama - Migration pipeline: Fast→Medium→Slow every 5 min - Async scheduler: non-blocking callback-based search - Adapter for gradual migration from existing system Maps to user model: Fast=Core, Medium=Short-term, Slow=Long-term
- Rollback manager with feature flags (shadow/canary/enabled/emergency) - Auto-rollback on error rate threshold - MCP tools: memory_unified_search, save, context - Rollback tools: status, enable, emergency - Extended tests: concurrent access, eviction, error recovery Migration path: shadow → canary → enabled → emergency_rollback
- test_shadow_mode.py: standalone test script for shadow mode - mcp_server.py: integrated unified memory with rollback tools - New MCP tools: memory_rollback_status, enable, emergency - Shadow mode writes to both existing and unified systems
- UNIFIED_MEMORY.md: English version first, Russian second - ACTIVATE_COLLECTIVE.md: English version first, Russian second - WEB_SEARCH.md: English version first, Russian second - AGENTS.md: Added Russian translation section - skills/echovault/SKILL.md: Added Russian translation section All files now have language switcher at top: > **Русский** | [Перейти к русской версии](#russian-version)
- Add Unified 3-Tier Memory to Features section - Add Safe Rollout feature description - Add new rollback commands to Commands table - Reference UNIFIED_MEMORY.md for details
…ession, graph relations
Add TCP transport layer for MCP server: - mcp_bridge.py: stdio-to-TCP bridge - mcp_tcp_server.py: TCP server implementation - run_mcp_tcp.bat: TCP launcher with background server - run_mcp.bat, run_mcp_safe.bat: various launch scripts - mcp_minimal.py, mcp_fixed.py, mcp_standalone.py: debug variants - run-mcp-clean.cmd: clean environment launcher
Add stdio_patch.py for Windows MCP server compatibility: - Handles Windows-specific stdio stream issues - Provides patched stdio_server for async transport - Fixes newline/encoding problems on Windows terminals - Used by mcp_server.py via conditional import
Update mcp_server.py with unified memory support: - Add UnifiedMemoryAdapter integration - Add shadow mode support for dual-system writes - Add rollback tools integration (status, enable, emergency) - Add memory_collective_solve with web search fallback - Implement proper error handling for unified adapter
- Add 3 unified tools: memory_unified_search, memory_unified_context, memory_unified_save - Remove TCP server files (mcp_tcp_server.py, mcp_bridge.py, run_mcp_tcp.bat) - Remove stdio_patch to fix stdio transport - Total tools: 12 (9 base + 3 unified)
…elines Changes: - Split AGENTS.md, .codex/AGENTS.md, skills/echovault/SKILL.md into EN/RU versions - Add detailed memory system operations section to AGENT_ROLE.md - Add Session Finalization section to README.md - Make CHANGELOG.md and ECHO_VAULT_GUIDE.md bilingual - Add memory_unified_* commands to README
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Summary
This PR introduces a unified 3-tier memory system for EchoVault with automatic migration and rollback support.
Features
Migration Path
disabled → shadow → canary → enabled → emergency_rollbackShadow mode writes to both existing and unified systems for safe testing.
New MCP Tools
Documentation
All markdown files are now bilingual (EN/RU).
Ready for review and gradual rollout.