feat: add LangGraph compress_tool_messages node for ToolMessage compression

Updating the README to reflect the right positioning for Headroom

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

Add headroom learn: offline failure learning for coding agents

Add Cloud mode to ASGI middleware and LiteLLM callback

Fix LangChain tool_call argument handling for varied message formats

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

feat: Add AWS Strands Agents SDK integration

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

Add reasoning capability forwarding to HeadroomAgnoModel

Add Phase 2 Progressive Summarization and fix Agno integration tests

Fix HeadroomAgnoModel to optimize tool outputs at invoke level

Fix agno model.py mypy errors by declaring name and provider fields

Fix mypy type errors for Python 3.12 compatibility

Fix HeadroomAgnoModel to extend agno.models.base.Model and add real integration tests

Add Agno agent framework integration

Add seamless LangChain integration

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

Prepare for OSS release v0.2.0

Initial commit: Headroom SDK - LLM context optimization toolkit