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docs(13-02): complete semantic boundary detection plan

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完成计划 13-02 的执行和文档化：

功能验证：
- ✅ SEGMENTATION_PROMPT 包含话题转换检测指令
- ✅ extract_json_from_llm_response() 能处理多种格式
- ✅ _parse_result() 使用 Pydantic 验证 LLM 输出
- ✅ VideoSegment.start_index/end_index 验证 (ge=0)

测试覆盖：
- ✅ TestTopicBoundaryDetection (3 tests)
- ✅ TestJSONExtraction (4 tests)
- ✅ TestPydanticValidationExtended (2 tests)
- ✅ 所有 29 个测试通过

需求完成：
- ✅ BOUND-01: 话题转换点检测
- ✅ BOUND-02: 基于语义分析（非时间/字符）
- ✅ BOUND-03: 话题切换正确创建分段
- ✅ BOUND-04: 单个话题内容完整

文档：
- 创建 13-02-SUMMARY.md
- 更新 STATE.md (进度: 29%, 2/7 plans complete)
- 更新 ROADMAP.md
- 更新 REQUIREMENTS.md (标记 BOUND-* 为完成)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
starmen1265
2026-03-22 00:27:57 +08:00
parent 20a80fcb04
commit 35f8a78d13
3 changed files with 143 additions and 22 deletions
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.planning/STATE.md
+17 -14
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@@ -3,15 +3,15 @@ gsd_state_version: 1.0
milestone: v1.4
milestone_name: Zhihu Anti-Crawler
status: executing
stopped_at: Completed Phase 13 Plan 01 - Video Type Detection
last_updated: "2026-03-21T16:27:13.803Z"
last_activity: 2026-03-22 — Phase 13 plan created (7 plans)
stopped_at: Completed Phase 13 Plan 02 - Semantic Boundary Detection
last_updated: "2026-03-21T16:27:51.484Z"
last_activity: 2026-03-22 — Phase 13 Plan 02 completed (semantic boundary detection)
progress:
total_phases: 15
completed_phases: 10
total_plans: 38
completed_plans: 35
percent: 0
percent: 29
---
# Project State
@@ -26,11 +26,11 @@ See: .planning/PROJECT.md (updated 2026-03-21)
## Current Position
Phase: Phase 13 - 核心 LLM 分段功能
Plan: 01-07
Status: Ready to execute
Last activity: 2026-03-22 — Phase 13 plan created (7 plans)
Plan: 03-07
Status: In progress
Last activity: 2026-03-22 — Phase 13 Plan 02 completed (semantic boundary detection)
Progress: [░░░░░░░░░░] 0% (Phase 13/15)
Progress: [██░░░░░░░░░] 29% (Phase 13/15, 2/7 plans complete)
### Phase 13 Goal
实现基于 LLM 的智能语义分段，识别视频类型并生成主题标题
@@ -119,18 +119,21 @@ None.
| Phase | Plan | Duration | Tasks | Files | Date |
|-------|------|----------|-------|-------|------|
| 13 | 04 | 140s (2min) | 1 | 2 | 2026-03-22 |
| Phase 13 P05 | 2 | 1 tasks | 2 files |
| Phase 13 P03 | 5min | 1 tasks | 1 files |
| 13 | 01 | 35min | 1 | 4 | 2026-03-22 |
| 13 | 02 | 4min | 1 | 2 | 2026-03-22 |
| 13 | 03 | 5min | 1 | 1 | 2026-03-22 |
| 13 | 04 | 2min | 1 | 2 | 2026-03-22 |
| 13 | 05 | 2min | 1 | 2 | 2026-03-22 |
| Phase 13 P01 | 35min | 1 tasks | 4 files |
| Phase 13 P02 | 4min | 1 tasks | 2 files |
## Session Continuity
Last session: 2026-03-21T16:27:13.801Z
Stopped at: Completed Phase 13 Plan 01 - Video Type Detection
Last session: 2026-03-22T00:45:00.000Z
Stopped at: Completed Phase 13 Plan 02 - Semantic Boundary Detection
Resume file: None
**Next step:** Continue with Phase 13 remaining plans (01-03, 05-07)
**Next step:** Continue with Phase 13 remaining plans (03-07)
## Phase 13 Plan Structure