feat: implement dual-mode architecture (Simple + Advanced) (#45)

fix: address CodeRabbit feedback

fix: repair Gradio accordion bug and cleanup env vars

fix(magentic): defensive text extraction & cleanup biorxiv refs

fix(config): increase max iterations to 10

refactor(tools): replace BioRxiv with Europe PMC (Phase 01)

refactor: enhance Gradio UI for improved user experience

fix: simplify Gradio UI to fit single viewport

fix: address CodeRabbit feedback and P0 blockers

feat: implement HFInferenceJudgeHandler for free-tier AI analysis

fix: disable ssr_mode to resolve intermittent gradio hydration issues

fix: resolve Gradio UI cutoff by removing fill_height=True and restructuring layout

fix: correct UI layout ordering - title at top

fix: move title/description into ChatInterface for proper HF Spaces layout

fix: upgrade Gradio SDK to 6.0.1 and add fill_height for HF Spaces UI fix

fix: address CodeRabbit review feedback

fix: use config settings for model names instead of hardcoded values

feat: add demo mode warnings and BYOK (Bring Your Own Key) support

fix: upgrade Gradio to 5.32.0+ for MCP server support

feat: add smoke tests and fix Gradio 6.x compatibility

fix: Gradio examples format for additional_inputs

fix: wire analyze_hypothesis MCP tool into Gradio app

feat: enhance Gradio UI with MCP server support and new tool interfaces

feat: Phase 11 bioRxiv Preprint Integration (#19)

refactor: address CodeRabbit nitpicks for Phase 10

feat: Implement Phase 10 (ClinicalTrials.gov) with requests

feat: Complete Phase 9 Source Cleanup (Remove WebTool) (#14)

fix: address CodeRabbit Phase 6 review feedback

fix: address CodeRabbit Phase 5 review feedback

fix: linting and types for phase 5

refactor(phase4): address CodeRabbit review

feat(phase4): Orchestrator and UI complete

adds scaffolding