Implement Or_4.txt feedback: Provider Summary as final exchange, simplified interface improvements

feat: Fix classification logic and remove redundant spiritual care message functionality

feat: Complete prompt optimization system implementation

Add per-session prompt override functionality across interfaces and AI client

Add tests for model overrides in manual input and file upload controllers

Implement model overrides for AI clients and enhance interfaces for manual input and file upload

Add comments and CSV export to conversation verification

Fix conversation verification export record id

Embed conversation verification in main UI and add download button

✅ Enhanced Verification Modes - Production Ready

Fix CSV download button for Hugging Face Spaces - use DownloadButton for direct file download

Add property-based tests for verification mode functionality

chore: Remove legacy modules and old tests

feat: Implement simplified spiritual triage system (Phases 2-9)

feat: Implement CombinedAssistant for coordinating both modes

feat: Implement SpiritualAssistant for dialog mode

🔧 Виправлення імпортів після реорганізації

🧹 Організація проекту: структурування коду, тестів та документації

refactor: adopt src/ modular structure, update imports, add compatibility shims; dynamic prompt safety components; tests passing (52)