Implement provider summary improvements from Or_3.txt review

edit src/config/prompts/spiritual_care_message.txt

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

refactor: Structure spiritual care prompt and simplify fallback message generation to a concise narrative, increasing conversation context length.

feat: Add comprehensive manual tests for spiritual care message features

feat: Complete prompt optimization system implementation

feat: Enhance spiritual state management and UI for provider summaries