feat: add HuggingFace Spaces deployment configuration

test(medgemma): add tests for Gemma chat template formatting

refactor(ui): simplify pipeline progress display with st.progress bar

fix(logging): configure stdlib logging and structlog integration

feat(medgemma): switch to text_generation with Gemma chat template

docs: add lessons learned and cognitive notes to CLAUDE.md

fix: correct logger variable and test mocks for enhanced search_direct

test: add tests for SearchAnchors new fields and enhanced MCP search

feat(pipeline): switch to multi-variant search for broader trial recall

feat(gemini): update search anchors prompt for interventions and eligibility keywords

feat(mcp): enhance search with intervention and eligibility dimensions

feat(models): add interventions and eligibility_keywords to SearchAnchors

test: update tests for evidence-linked mock data and new features

feat: add Parlant configurable log level

feat: enhance UI with evidence links, journey guards, and gap phrasing

feat: add journey state guards and progress tracking

feat: add pipeline progress reporting and parallel evaluation

feat: add Gemini rate limiting and structured logging

feat: improve MedGemma retry logic and criterion evaluation

feat: add direct ClinicalTrials.gov API v2 search methods

feat: enhance mock data with evidence pointers and MOCK-NCT IDs

feat: init structured logging and dotenv in app entrypoint

chore: update CLAUDE.md with background script guidelines

deps: add structlog, aiohttp, pytest-timeout and test markers

feat: wire real API pipeline with demo mode and Gemini truncation fix

fix: update MCP test mocks for streaming HTTP transport

security: remove .env from repo, add to .gitignore

style: apply ruff format to entire codebase

ci: add GitHub Actions CI and pre-commit hooks

feat: add ty type checker and fix async/type correctness

docs: add ARCHITECTURE directory with mermaid diagrams and process docs

fix: make GeminiPlanner truly async with asyncio.to_thread

fix: cache service instances in Parlant tools to avoid per-call overhead

fix: replace asyncio.run() with thread-safe sync bridge for Streamlit

chore: fix lint issues across agent and test files

feat: add e2e smoke test

feat: add shared fixtures and service integration tests

feat: connect UI pages to Parlant

feat: add Parlant bridge for Streamlit

feat: add orchestrator entry point

feat: implement 5-state Parlant journey

feat: configure Parlant guidelines

feat: implement 7 Parlant tools

feat: implement Parlant agent setup

feat: add trial normalization and retry logic to MCP client

feat: complete Gemini planner with all 6 methods

feat: wire MedGemma extractor to HF Inference Endpoint

feat: add config module and update dependencies

Initial PoC codebase

fix: make advance_journey idempotent for same-state transitions