Remove LLMLingua: Kompress is the sole text compressor

Add headroom_read MCP tool with session caching (feature flag)

feat: make token_headroom the default mode + fix Gemini handler bug

feat: add clean session summary to /stats and MCP headroom_stats

Enhanced MCP server with compress/stats tools, fix proxy torch crash

fix: harden edge cases, expand tool exclusions, and fix mypy errors

fix(mcp): use claude mcp add for install and fix startup import

Fix security vulnerabilities in memory and CCR systems

Add memory observability system (Phase 1)

Add OpenRouter backend support with provider registry pattern

Fix mypy type checking errors in CCR batch modules

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

Add seamless LangChain integration

v0.2.2: Add CCR Response Handler, Context Tracker, and restructure docs

Fix all mypy type errors and flaky embedding test

Fix all mypy type errors and flaky embedding test

Fix all ruff lint and format errors for CI

feat: Add CCR architecture, TOIN telemetry, and DevEx improvements