3fbbb1a93b
- Next.js 14+ with App Router and TypeScript - Tailwind CSS and ShadCN UI styling - Zustand state management - Dexie.js for IndexedDB (local-first data) - Auth.js v5 for authentication - BMAD framework integration Co-Authored-By: Claude <noreply@anthropic.com>
90 lines
5.1 KiB
Markdown
90 lines
5.1 KiB
Markdown
# Test Design: Epic 2 - The Magic Mirror
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**Epic:** 2 (Ghostwriter & Draft Refinement)
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**Scope:** Epic-Level
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**Date:** 2026-01-25
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**Author:** QA Architect (AI)
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## 1. Risk Assessment
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### Identified Risks
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| Risk ID | Category | Title | Description | Probability (1-3) | Impact (1-3) | Score | Action |
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| :-------- | :------- | :------------------------------- | :------------------------------------------------------------------------------------------------- | :---------------- | :----------- | :---- | :----------- |
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| **R-2.1** | BUS | **Hallucination / Poor Quality** | Ghostwriter generates content unrelated to the user's insight or creates fictional details. | 2 (Possible) | 3 (Critical) | **6** | **MITIGATE** |
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| **R-2.2** | TECH | **Context Window Overflow** | Long chat sessions exceed the token limit for the generation prompt, causing truncation or errors. | 2 (Possible) | 3 (Critical) | **6** | **MITIGATE** |
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| **R-2.3** | TECH | **State Desynchronization** | UI gets stuck in "Drafting" state if the LLM request hangs or fails silently. | 2 (Possible) | 2 (Degraded) | 4 | MONITOR |
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| **R-2.4** | TECH | **Clipboard API Failures** | "One-Click Copy" fails on certain mobile browsers due to permission policies. | 2 (Possible) | 2 (Degraded) | 4 | MONITOR |
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| **R-2.5** | UI | **Markdown Rendering Issues** | Generated artifacts break layout (e.g., extremely long code blocks, tables on mobile). | 1 (Unlikely) | 1 (Minor) | 1 | DOCUMENT |
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### Mitigation Strategies (High Risks)
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**R-2.1: Hallucination / Poor Quality (Score 6)**
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* **Mitigation:** Implement specific "Grounding" prompts. Use `evals` (automated evaluation) to check if output tokens overlap with input "Insight" tokens.
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* **Owner:** Prompt Engineer / Dev
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* **Validation:** Automated Prompt Tests (checking recall of key facts).
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**R-2.2: Context Window Overflow (Score 6)**
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* **Mitigation:** Implement strict token counting utility. Summarize or truncate chat history intelligently before sending to Ghostwriter.
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* **Owner:** Dev Team
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* **Validation:** Unit tests for `PromptEngine` with large mock inputs.
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---
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## 2. Test Coverage Plan
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### Acceptance Criteria Mapping
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| Story | ID | Scenario | Level | Priority | Risk Link |
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| :------ | :---- | :-------------------------------------------------------------- | :---------- | :------- | :-------- |
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| **2.1** | 2.1.1 | Ghostwriter receives correct chat context (Prompt Construction) | Unit | **P0** | R-2.1 |
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| **2.1** | 2.1.2 | Token limit enforcement (Truncation/Error) | Unit | **P0** | R-2.2 |
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| **2.1** | 2.1.3 | Generated generation is valid Markdown | Unit | P1 | R-2.5 |
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| **2.2** | 2.2.1 | Draft Sheet slides up upon completion | Component | P1 | - |
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| **2.2** | 2.2.2 | Draft view renders Markdown correctly (Headers, lists) | Component | P2 | R-2.5 |
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| **2.3** | 2.3.1 | "Thumbs Down" triggers feedback prompt | Integration | P1 | - |
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| **2.3** | 2.3.2 | Regeneration respects user critique | E2E | **P0** | R-2.1 |
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| **2.4** | 2.4.1 | "Copy" button places text in clipboard | E2E | **P0** | R-2.4 |
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| **2.4** | 2.4.2 | "Save" marks session as completed in DB | Integration | **P0** | - |
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### Test Levels Strategy
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* **Unit Tests:**
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* `PromptEngine`: Verify context insertion and token limits.
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* `MarkdownParser`: Verify safe rendering logic.
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* **Component Tests:**
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* `DraftSheet`: Verify open/close animations and state binding (Zustand).
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* `MarkdownRenderer`: Visual regression tests for styles.
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* **Integration Tests:**
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* `GhostwriterService`: Mock LLM response -> Verify State Update -> Verify DB Update.
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* **E2E Tests:**
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* **Full Flow (P0):** Chat -> Generate -> Copy to Clipboard.
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* **Refinement Flow (P1):** Generate -> Critique -> Regenerate.
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---
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## 3. Execution Plan
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### Smoke Tests (Pre-Merge)
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1. **Unit:** `PromptEngine` sanity checks.
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2. **E2E:** Basic Generation Flow (Mocked LLM).
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### Regression Suite (Nightly)
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1. **Unit:** Token limit edge cases.
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2. **E2E:** Clipboard functionality on mobile viewport emulation.
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3. **Prompt Evals:** Quality checks on sample inputs.
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### Resource Estimates
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* **P0 Scenarios:** 5 tests (approx. 5 hours implementation).
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* **P1 Scenarios:** 3 tests (approx. 2 hours implementation).
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* **P2 Scenarios:** 1 test (approx. 0.5 hours implementation).
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* **Total Effort:** ~1 day.
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---
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## 4. Quality Gate Criteria
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* **Pass Rate:** 100% on P0 tests.
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* **Performance:** Generation starts within 5s (mocked latency).
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* **Mitigation:** Token limiter unit tests must pass.
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