PRD Review Example: Prompt Service Test & Collections

This is a real review output from a PRD for adding "prompt testing" and "collections" features to a prompt management service. Use as a reference for review structure and common findings.

Review Structure

## 评审意见

**🔴 必须修改（N 项）**
1. **{issue title}** — {why critical, with concrete fix}

**🟡 建议修改（N 项）**
N. {issue} — {impact and suggestion}

**整体结论**：🟢/🟡/🔴 — {one-line summary}

Common Findings from This Review

🔴 1. Missing Table Definitions

Issue: Decision record says "模型配置放数据库 settings 表" but no settings schema was provided. Fix: Add CREATE TABLE statement + initial data rows. Pattern: When a PRD references a table by name, verify the DDL exists in the data model section.

🔴 2. Display Value → Identifier Mapping Gap

Issue: DB stores recommended_model = "Claude" but API call needs claude-sonnet-4-20250514. No mapping defined. Fix: Add explicit mapping table. Pattern: Any time user-facing labels differ from system identifiers, check for a mapping definition.

🔴 3. Placeholder Syntax Undefined

Issue: Template variables use {{var}} in some places, 「text」 in others. No convention documented. Fix: Define syntax explicitly (e.g., {{变量名}}), add migration requirements for existing content. Pattern: Template/variable systems need explicit syntax documentation.

🟡 4. SSE Error Events Missing

Issue: SSE protocol defines start, delta, done but no error event type. Fix: Add error event with detail and code fields; document client disconnect handling.

🟡 5. Code Examples Contradict Decisions

Issue: Decision says "Anthropic only" but code shows 3 providers (anthropic, openai, deepseek). Fix: Align code with decision, add comment for future extension.

🟡 6. Injection Risk Not Addressed

Issue: User input reaches LLM prompt without sanitization or boundary markers. Fix: Add <user_input> wrapper, system message boundary, anomaly logging.

🟡 7. Cost Estimation Missing

Issue: Feature calls paid LLM API but no cost analysis. Fix: Estimate per-call cost × rate limits × expected usage frequency.

🟡 8. Timeline Too Optimistic

Issue: 5.5 days for single full-stack dev, no buffer for integration testing. Fix: Adjust to 7-8 days with explicit buffer phase.

PRD Update Workflow

After review, update the PRD:

Read full document (don't work from memory)
Fix all 🔴 issues first
Fix 🟡 issues
Update version (v1.0 → v1.1) and status (📝 → ✅)
Commit and push
Report summary of changes (not full diff)

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