claude-mem v11.0.0
4 releases today · 21 commits · 6,051 insertions · 34 files changed
Features
Semantic Context Injection (#1568)
Every UserPromptSubmit now queries ChromaDB for the top-N most relevant past observations and injects them as context. Replaces recency-based "last N observations" with relevance-based semantic search. Survives /clear, skips trivial prompts (<20 chars), and degrades gracefully when Chroma is unavailable.
Tier Routing by Queue Complexity
The SDK agent now inspects pending queue complexity before selecting a model. Simple tool-only queues (Read, Glob, Grep) route to Haiku; mixed/complex queues use the default model. Production result: ~52% cost reduction on SDK agent usage with quality indistinguishable from Sonnet. Includes a new observation_feedback table for future Thompson Sampling optimization.
Multi-Machine Observation Sync (#1570)
New claude-mem-sync CLI with push, pull, sync, and status commands. Bidirectional sync of observations and session summaries between machines via SSH/SCP with deduplication by (created_at, title). Tested syncing 3,400+ observations between two physical servers — a session on the remote machine used transferred memory to deliver a real feature PR.
Orphaned Message Drain (#1567)
When deleteSession() aborts the SDK agent via SIGTERM, pending messages are now marked abandoned instead of remaining in pending status forever. Production evidence: 15 orphaned messages found before fix → 0 orphaned messages over 23 days after fix.
Bug Fixes
Installer Regression Fixed (v10.7.0 → v10.7.1)
The install simplification in v10.7.0 over-applied scope — it replaced the entire runInstallCommand with just two claude CLI commands, gutting the interactive IDE multi-select, --ide flag, and all 13 IDE-specific setup dispatchers. v10.7.1 restores the full installer for all non-Claude-Code IDEs while keeping the native plugin delegation for Claude Code.
3 Upstream Production Bugs (#1566)
Found via analysis of 543K log lines over 17 days across two servers:
- summarize.ts: Skip summary when transcript has no assistant message (was causing ~30 errors/day)
- ChromaSync.ts: Fallback to
chroma_update_documentswhen add fails with "IDs already exist" - HealthMonitor.ts: Replace HTTP-based port check with atomic socket bind (eliminates TOCTOU race on simultaneous session starts)
Other Fixes
- Concept-type cleanup log downgraded from error to debug (reduces log noise)
Breaking Change
Strict Observer Response Contract — The memory agent can no longer return prose-style skip responses like "Skipping — no substantive tool executions." buildObservationPrompt now requires <observation> XML blocks or an empty response. ResponseProcessor warns when non-XML content is received. This prevents silent data loss from the observer deciding on its own that tool output isn't worth recording.
Community
Features in this release were contributed by Alessandro Costa (@alessandropcostabr) — semantic injection, tier routing, multi-machine sync, orphan drain, and the 3-bug production fix. All PRs include production data from real multi-server deployments.
Release History
This release consolidates v10.7.0 through v11.0.0, all shipped on April 4, 2026. For the full v10.x era (267 commits, 39 releases), see v10.7.0 and earlier.