Fix LangChain tool_call argument handling for varied message formats

Add Read Lifecycle: event-driven stale/superseded Read detection

Add Memory Bridge: bidirectional sync between markdown files and Headroom memory

Add OSS evaluation suite, universal JSON crush, latency benchmarks

Fix CI: guard starlette imports, asyncio.run(), deprecate datetime.utcnow()

Fix: guard starlette imports in test_compress_api.py for CI without proxy deps

Add one-function compress() API, ASGI middleware, LiteLLM callback

Add Compression Hooks — extension points for SaaS and advanced customization

Add Query Echo: re-inject user question after compressed tool outputs

Add compression summaries, multi-provider headers, Dockerfile fix

Add pluggable adapter hooks for CCR, Storage, and TOIN backends

Add tests for streaming resilience and concurrent session safety

Fix security vulnerabilities in memory and CCR systems

Fix MCP tests to work when MCP SDK is not installed

Add MCP CLI for Claude Code subscription users

test: Update LLMLingua default model test to match new default

Add centralized ML model configuration

Fix test_router_is_available_with_models after MLModelRegistry refactor

Fix test to expect VectorBackend.AUTO as default

Add SQLite vector backend as default and fix HNSW test skipping

Add SQLiteVectorIndex using sqlite-vec for bounded vector search

Add bounded memory support to HNSWVectorIndex with LRU eviction

Add SQLiteGraphStore for bounded, persistent graph storage

Add memory observability system (Phase 1)

Add multi-provider memory system with auto-detection

fix: Extend Anthropic format tool protection to IntelligentContextManager

fix: Handle Anthropic format tool_use/tool_result as atomic units

fix(tests): add missing skip decorator and tests for exclude_tools

fix(tests): skip memory tests when hnswlib not available

fix(tests): skip HTML extractor tests when trafilatura not installed

Add HTMLExtractor for web content extraction with OSS benchmarks

Add DiffCompressor and fix hnswlib SIGILL crash on CI

feat: Add AWS Strands Agents SDK integration

Add global httpx.ReadTimeout handler for all tests

Fix asyncio event loop error in Python 3.10+ tests

Add Click-based CLI with memory management commands

Add global httpx.ReadTimeout handler for memory tests

Fix mypy errors and add network timeout handler for flaky CI tests

fix: resolve CI failures

fix: improve error handling and add comprehensive test coverage

feat(toin): add TOIN + CCR integration to IntelligentContextManager

feat(proxy): add connection pooling, HTTP/2, and multi-worker support

fix: correct cost calculation for cache tokens and simplify memory DevEx

Add hierarchical memory system with graph + vector storage

Add image token compression with trained ML router

Add E2E tests for Google multimodal content preservation

Fix Google Gemini conversion to preserve non-text content (Gap #4)

Add multi-provider batch API support with CCR post-processing

Remove hardcoded source hint system from ContentRouter

Make hnswlib optional and skip tests when unavailable