docs: Create implementation plan for simplified spiritual triage

9 phases, 15 main tasks:
- Phase 1: Remove Lifestyle Mode (4 subtasks)
- Phase 2: Spiritual State Machine (3 subtasks)
- Phase 3: Spiritual Monitor (5 subtasks)
- Phase 4: Soft Triage Manager (6 subtasks)
- Phase 5: Main App Integration (7 subtasks)
- Phase 6: Referral Generation (3 subtasks)
- Phase 7: Language Support (4 subtasks)
- Phase 8: UI Simplification (3 subtasks)
- Phase 9: Final Testing (5 subtasks)

14 property-based tests mapped to requirements

.kiro/specs/simplified-spiritual-triage/tasks.md

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+# Implementation Plan
+
+## Phase 1: Remove Lifestyle Mode
+
+- [ ] 1. Remove Lifestyle components from codebase
+  - [ ] 1.1 Remove MainLifestyleAssistant from lifestyle_app.py
+    - Delete lifestyle assistant initialization
+    - Remove lifestyle mode handling in process_message
+    - _Requirements: 1.1, 1.2_
+  - [ ] 1.2 Remove CombinedAssistant and related code
+    - Delete src/core/combined_assistant.py
+    - Remove combined mode from AssistantMode enum
+    - _Requirements: 1.1, 1.2_
+  - [ ] 1.3 Simplify AssistantMode enum
+    - Keep only: MEDICAL, SPIRITUAL (internal), NONE
+    - Remove: LIFESTYLE, COMBINED
+    - _Requirements: 1.1_
+  - [ ] 1.4 Update UI to remove mode selector
+    - Remove assistant mode radio buttons
+    - Single unified medical interface
+    - _Requirements: 1.3_
+
+## Phase 2: Implement Spiritual State Machine
+
+- [ ] 2. Create SpiritualState and data models
+  - [ ] 2.1 Create src/core/spiritual_state.py with enums and dataclasses
+    - SpiritualState enum (GREEN, YELLOW, RED)
+    - TriageOutcome enum
+    - SpiritualAssessment dataclass
+    - TriageSession dataclass
+    - _Requirements: 5.1, 7.1_
+  - [ ]* 2.2 Write property test for state validity
+    - **Property 8: State Validity**
+    - **Validates: Requirements 5.1, 7.1**
+
+- [ ] 3. Implement SessionStateManager
+  - [ ] 3.1 Create SessionStateManager class
+    - Track current spiritual state
+    - Track triage question count
+    - Implement state transitions
+    - _Requirements: 7.1, 7.2_
+  - [ ]* 3.2 Write property test for session reset
+    - **Property 14: Session Reset**
+    - **Validates: Requirements 7.4**
+
+## Phase 3: Implement Spiritual Monitor
+
+- [ ] 4. Refactor SpiritualDistressAnalyzer to SpiritualMonitor
+  - [ ] 4.1 Simplify classification to GREEN/YELLOW/RED
+    - Rename and refactor existing analyzer
+    - Return SpiritualState instead of DistressClassification
+    - _Requirements: 2.1, 5.1_
+  - [ ]* 4.2 Write property test for monitor invocation
+    - **Property 1: Spiritual Monitor Always Invoked**
+    - **Validates: Requirements 2.1**
+  - [ ]* 4.3 Write property test for conservative classification
+    - **Property 9: Conservative Classification**
+    - **Validates: Requirements 5.2**
+  - [ ]* 4.4 Write property test for red flag keywords
+    - **Property 10: Red Flag Keywords**
+    - **Validates: Requirements 5.4**
+
+- [ ] 5. Checkpoint - Ensure all tests pass
+  - Ensure all tests pass, ask the user if questions arise.
+
+## Phase 4: Implement Soft Triage Manager
+
+- [ ] 6. Create SoftTriageManager
+  - [ ] 6.1 Implement triage question generation
+    - Generate empathetic clarifying questions
+    - Use LLM with appropriate prompt
+    - Match patient language
+    - _Requirements: 3.1, 3.2, 8.3_
+  - [ ] 6.2 Implement response evaluation
+    - Evaluate patient responses
+    - Determine TriageOutcome (RESOLVED_GREEN, ESCALATE_RED, CONTINUE)
+    - _Requirements: 3.3_
+  - [ ] 6.3 Implement question limit enforcement
+    - Track question count (max 3)
+    - Force decision after 3 exchanges
+    - _Requirements: 3.1, 3.6_
+  - [ ]* 6.4 Write property test for triage question limit
+    - **Property 5: Triage Question Limit**
+    - **Validates: Requirements 3.1, 7.2**
+  - [ ]* 6.5 Write property test for triage binary outcome
+    - **Property 6: Triage Binary Outcome**
+    - **Validates: Requirements 3.3**
+  - [ ]* 6.6 Write property test for triage timeout escalation
+    - **Property 7: Triage Timeout Escalation**
+    - **Validates: Requirements 3.6**
+
+## Phase 5: Integrate into Main App
+
+- [ ] 7. Integrate Spiritual Monitor into message processing
+  - [ ] 7.1 Update process_message to use SpiritualMonitor
+    - Call monitor for every message
+    - Route based on SpiritualState
+    - _Requirements: 2.1, 2.2, 2.3, 2.4_
+  - [ ]* 7.2 Write property test for green state preservation
+    - **Property 2: Green State Preservation**
+    - **Validates: Requirements 2.2**
+  - [ ]* 7.3 Write property test for yellow triggers triage
+    - **Property 3: Yellow Triggers Triage**
+    - **Validates: Requirements 2.3**
+  - [ ]* 7.4 Write property test for red triggers referral
+    - **Property 4: Red Triggers Immediate Referral**
+    - **Validates: Requirements 2.4**
+
+- [ ] 8. Implement state transitions in app
+  - [ ] 8.1 Handle GREEN → YELLOW transition
+    - Initiate SoftTriageManager
+    - Generate first triage question
+    - _Requirements: 2.3, 3.1_
+  - [ ] 8.2 Handle YELLOW → GREEN transition (resolved)
+    - Return to medical dialog
+    - Reset triage session
+    - _Requirements: 3.4_
+  - [ ] 8.3 Handle YELLOW → RED transition (escalated)
+    - Generate referral
+    - Provide crisis support
+    - _Requirements: 3.5, 6.1_
+
+- [ ] 9. Checkpoint - Ensure all tests pass
+  - Ensure all tests pass, ask the user if questions arise.
+
+## Phase 6: Update Referral Generation
+
+- [ ] 10. Ensure referral generation works with new flow
+  - [ ] 10.1 Update ReferralMessageGenerator for simplified flow
+    - Accept SpiritualAssessment instead of DistressClassification
+    - Include triage context if available
+    - _Requirements: 6.1, 6.2_
+  - [ ]* 10.2 Write property test for referral generation on red
+    - **Property 11: Referral Generation on Red**
+    - **Validates: Requirements 6.1**
+  - [ ]* 10.3 Write property test for referral content completeness
+    - **Property 12: Referral Content Completeness**
+    - **Validates: Requirements 6.2**
+
+## Phase 7: Language Support
+
+- [ ] 11. Ensure language matching across all components
+  - [ ] 11.1 Verify SpiritualMonitor language handling
+    - Classification reasoning in patient language
+    - _Requirements: 8.1, 8.2_
+  - [ ] 11.2 Verify SoftTriageManager language handling
+    - Questions in patient language
+    - _Requirements: 8.3_
+  - [ ] 11.3 Verify ReferralMessageGenerator language handling
+    - Referrals in patient language
+    - _Requirements: 8.4_
+  - [ ]* 11.4 Write property test for language matching
+    - **Property 13: Language Matching**
+    - **Validates: Requirements 8.1, 8.2, 8.3, 8.4**
+
+## Phase 8: UI Simplification
+
+- [ ] 12. Simplify Gradio interface
+  - [ ] 12.1 Remove mode selector from UI
+    - Single medical assistant interface
+    - No visible mode switching
+    - _Requirements: 1.3, 4.1_
+  - [ ] 12.2 Update status display
+    - Show spiritual state for debugging (optional)
+    - Clean user-facing interface
+    - _Requirements: 4.1_
+  - [ ] 12.3 Remove Edit Prompts for Lifestyle
+    - Keep only Medical and Spiritual prompts
+    - _Requirements: 1.1_
+
+## Phase 9: Final Testing and Cleanup
+
+- [ ] 13. Final integration testing
+  - [ ] 13.1 Test full flow: GREEN → YELLOW → GREEN
+    - Patient shows mild distress, triage resolves positively
+    - _Requirements: 2.2, 2.3, 3.4_
+  - [ ] 13.2 Test full flow: GREEN → YELLOW → RED
+    - Patient shows mild distress, triage confirms serious issue
+    - _Requirements: 2.3, 3.5, 6.1_
+  - [ ] 13.3 Test full flow: GREEN → RED (immediate)
+    - Patient shows severe distress, immediate referral
+    - _Requirements: 2.4, 6.1_
+  - [ ] 13.4 Test language switching
+    - Ukrainian and English conversations
+    - _Requirements: 8.1, 8.2_
+
+- [ ] 14. Cleanup and documentation
+  - [ ] 14.1 Remove unused Lifestyle code files
+    - Delete deprecated files
+    - Update imports
+    - _Requirements: 1.2_
+  - [ ] 14.2 Update README for simplified architecture
+    - Document new flow
+    - Update quick start guide
+    - _Requirements: 1.1_
+
+- [ ] 15. Final Checkpoint - Ensure all tests pass
+  - Ensure all tests pass, ask the user if questions arise.