Integrate DynamicContentDetector into CacheAligner (Phase 1)

Add quality retention eval and fix linting for Python 3.12

Add Phase 2 Progressive Summarization and fix Agno integration tests

Implement COMPRESS_FIRST strategy for IntelligentContextManager

Add IntelligentContextManager for semantic-aware context management

Fix mypy type errors for Python 3.12 compatibility

Fix ruff formatting

Add TOIN field-level learning and comprehensive integration tests

Fix mypy type annotation error in content_router.py

Add CCR marker support to all compressors and fix retrieval

Fix LLMLingua API: use context=[content] not original_prompt

Fix 'list' object has no attribute 'strip' error

Add seamless LangChain integration

Add AST-based code compression and custom model configuration

Add LLMLingua-2 opt-in support to proxy server

Fix mypy errors: correct CompressionStore.store() arguments

Fix lint errors in text compression utilities

Add opt-in text compression utilities for coding tasks

Add deterministic anchor matching to all compression plans

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

Prepare for OSS release v0.2.0

Initial commit: Headroom SDK - LLM context optimization toolkit