docs(13-03): complete content completeness protection plan

- 创建 SUMMARY.md:内容完整性保护功能已完成
- 更新 STATE.md:进度 87% (33/38 plans)
- 更新 ROADMAP.md:Phase 13 进展中(3/7 summaries)
- 标记需求完成:COMP-01, COMP-02, COMP-03

完成内容:
- 添加内容完整性保护测试(6 个测试方法)
- 验证 SEGMENTATION_PROMPT 包含句边界和论点完整性指令
- 确认不包含并列结构特殊处理(符合用户决策)
- 所有 29 个测试通过

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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---
phase: 13-llm
plan: 03
subsystem: testing
tags: [tdd, content-completeness, sentence-boundary, argument-completeness, parallel-structure, prompt-engineering]
# Dependency graph
requires:
- phase: 13-llm
plan: 01
provides: [SemanticSegmentationEngine class, VideoSegment model, SegmentationResult model]
provides:
- 内容完整性保护测试覆盖(COMP-01, COMP-02, COMP-03)
- 验证 SEGMENTATION_PROMPT 包含句边界和论点完整性指令
- 确认不包含并列结构特殊处理(符合用户决策)
affects: [13-llm-06, 13-llm-07]
# Tech tracking
tech-stack:
added: []
patterns: [TDD testing pattern, mock AI client for LLM testing, regex validation for sentence boundaries]
key-files:
created: []
modified:
- tests/test_semantic_engine.py
key-decisions:
- "确认 semantic_engine.py 已包含内容完整性保护指令(在之前的计划中实现)"
- "遵守用户决策:不添加并列结构特殊处理指令"
patterns-established:
- "TDD 模式:先写测试验证行为,再实现功能"
- "Mock AI Client 模式:使用 Mock 对象模拟 LLM 响应,避免真实 API 调用"
- "Prompt 验证模式:通过检查 Prompt 内容确保指令完整性"
requirements-completed: [COMP-01, COMP-02, COMP-03]
# Metrics
duration: 5min
completed: 2026-03-22
---
# Phase 13: Plan 03 - 内容完整性保护 Summary
**通过 Prompt 约束确保分段不破坏句子和论点完整性,使用纯 Prompt 方式不进行代码后处理**
## Performance
- **Duration:** 5 min
- **Started:** 2026-03-22T00:23:04Z
- **Completed:** 2026-03-22T00:28:00Z
- **Tasks:** 1
- **Files modified:** 1
## Accomplishments
- 添加内容完整性保护测试(3 个测试类,6 个测试方法)
- 验证 SEGMENTATION_PROMPT 包含所有必需的完整性保护指令
- 确认遵守用户决策:不包含并列结构特殊处理
- 所有 29 个测试通过(包括新增的 6 个测试)
## Task Commits
Each task was committed atomically:
1. **Task 1: 添加内容完整性保护测试** - `adc1aa3` (test)
**Plan metadata:** (will be added in final commit)
_Note: TDD tasks may have multiple commits (test → feat → refactor)_
## Files Created/Modified
- `tests/test_semantic_engine.py` - 添加内容完整性保护测试
- TestSentenceBoundaryProtection (COMP-01): 句边界保护测试
- TestArgumentCompleteness (COMP-02): 论点完整性保护测试
- TestParallelStructurePreservation (COMP-03): 并列结构保护测试
## Decisions Made
None - 功能已在之前的计划中实现,本次仅添加测试验证
**确认的实现细节:**
- 句边界保护:列举所有中文句末标点(。?!……)
- 论点完整性:明确要求不在前提-结论结构中间截断
- 并列结构:不特别指定,让 LLM 自然判断(符合用户决策)
## Deviations from Plan
None - plan executed exactly as written.
## Issues Encountered
None.
## User Setup Required
None - no external service configuration required.
## Next Phase Readiness
- 内容完整性保护功能已实现并测试通过
- 语义分段引擎的 Prompt 指令完整
- 准备进入 Plan 06(可扩展策略架构)和 Plan 07(SRTProcessor 集成)
---
*Phase: 13-llm*
*Plan: 03*
*Completed: 2026-03-22*