Implementation Plan: Result Preparation Refactoring

Branch: 002-result-preparation-refactoring | Date: 2025-10-11 | Spec: spec.md Input: Feature specification from /specs/002-result-preparation-refactoring/spec.md

Summary

This plan outlines the refactoring of the result preparation mechanism. The current system groups similar desires but does not categorize them into the required Go-to, Also good, Considerable, No-goes, and Needs discussion categories. This refactoring will replace the existing desire grouping logic in the LLMService with a more sophisticated analysis that aligns with the feature specification. The frontend will be updated to correctly display these new categories.

Technical Context

Language/Version: TypeScript (v5.x) Primary Dependencies:

Backend: Node.js, Express, ws (WebSockets), @google/generative-ai
Frontend: React, Material-UI, WebSockets Storage: In-memory for session data (no persistent storage) Testing: Jest Target Platform: Web Browser Project Type: Web Application (Frontend + Backend) Performance Goals: Real-time updates for session state changes. LLM analysis should complete within a reasonable time frame (e.g., < 10 seconds). Constraints: The solution must integrate with the existing WebSocket-based communication. Scale/Scope: Sessions support up to 20 participants.

Constitution Check

GATE: Must pass before Phase 0 research. Re-check after Phase 1 design.

I. Defined Technology Stack: PASS (Node.js, React)
II. UI/UX Consistency: PASS (Material-UI is used)
III. Container-First Development: PASS (Docker is used)
IV. Test-Driven Development (TDD): PASS (Tests exist and will be added)
V. API-First Design: PASS (Backend and frontend are decoupled)

Project Structure

Documentation (this feature)

specs/002-result-preparation-refactoring/
├── plan.md              # This file (/speckit.plan command output)
├── research.md          # Phase 0 output (/speckit.plan command)
├── data-model.md        # Phase 1 output (/speckit.plan command)
├── quickstart.md        # Phase 1 output (/speckit.plan command)
├── contracts/           # Phase 1 output (/speckit.plan command)
└── tasks.md             # Phase 2 output (/speckit.tasks command - NOT created by /speckit.plan)

Source Code (repository root)

backend/
├── src/
│   ├── services/
│   │   └── LLMService.ts
│   └── ws/
│       └── index.ts
└── tests/

frontend/
├── src/
│   ├── components/
│   │   └── ResultsDisplay.tsx
│   ├── hooks/
│   │   └── useSession.ts
│   └── pages/
│       └── SessionPage.tsx
└── tests/

Structure Decision: The existing project structure will be used. The primary changes will be in the backend/src/services/LLMService.ts and backend/src/ws/index.ts for the backend, and frontend/src/components/ResultsDisplay.tsx for the frontend.

Complexity Tracking

No violations to the constitution were identified.

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