看板升级: GT v0.5.0(20期叙事结构全覆盖) + schema加字段方案 + git清理

- ground-truth v0.5.0: 补完10期narrative_structure标注(MiMo跑批+制片人审定)
- summarize.py: 修复无标注期次格式化崩溃
- 003_add_ai_labels.sql: episodes表加7列(6打标+1置信度)迁移文件
- episode.py: Model同步加7个Optional字段
- CLAUDE.md: 项目主控文件入库
- doco/deliverables: 20期终版文稿md入库
- doco/programs: 中间产物从git移除(本地保留), .gitignore统一管理
- note/寄存条: 两个子项目寄存条入库
- .gitignore: 补充doco中间产物/Excel锁文件/临时文件规则

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

backend/sql/003_add_ai_labels.sql

@@ -0,0 +1,26 @@
+-- 003_add_ai_labels.sql
+-- 为 episodes 表添加 AI 打标字段（看板升级 L2→L3 桥梁）
+-- 前置：执行前先 pg_dump 备份
+-- 全部 nullable，不影响现有数据
+
+ALTER TABLE episodes
+  ADD COLUMN IF NOT EXISTS program_format        VARCHAR(20),
+  ADD COLUMN IF NOT EXISTS equipment_domain      JSONB,
+  ADD COLUMN IF NOT EXISTS scene_tags            JSONB,
+  ADD COLUMN IF NOT EXISTS tech_tags             JSONB,
+  ADD COLUMN IF NOT EXISTS narrative_structure   VARCHAR(20),
+  ADD COLUMN IF NOT EXISTS opening_hook          VARCHAR(10),
+  ADD COLUMN IF NOT EXISTS ai_label_confidence   VARCHAR(10);
+
+-- 分析引擎常用分组查询索引
+CREATE INDEX IF NOT EXISTS idx_episodes_program_format      ON episodes (program_format);
+CREATE INDEX IF NOT EXISTS idx_episodes_narrative_structure  ON episodes (narrative_structure);
+CREATE INDEX IF NOT EXISTS idx_episodes_ai_label_confidence  ON episodes (ai_label_confidence);
+
+COMMENT ON COLUMN episodes.program_format       IS '主题材(单选): 装备深解/横切类比/历史纵深/前沿科技/事件战例/人物牵引';
+COMMENT ON COLUMN episodes.equipment_domain     IS '装备域(多选JSONB数组): 陆战装备/海军舰船/航空航天/导弹与反导/信息化/后勤保障/轻武器/跨域/其他';
+COMMENT ON COLUMN episodes.scene_tags           IS '场景标签(多选JSONB数组): 节点策划/热点跟进/装备首发/展会';
+COMMENT ON COLUMN episodes.tech_tags            IS '技术线标签(多选JSONB数组): 无人作战/智能化/有人无人协同';
+COMMENT ON COLUMN episodes.narrative_structure  IS '叙事结构(单选): 主线演进/并列结构';
+COMMENT ON COLUMN episodes.opening_hook         IS '开篇钩子(单选): 强/中/弱';
+COMMENT ON COLUMN episodes.ai_label_confidence  IS '打标状态: draft(AI草稿)/reviewed(制片人确认)/inferred(标题推断)';