# 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

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