新增 matches.score_status(known/missing/unknown): - 替换 ck_matches_finished_has_score 为 ck_matches_score_integrity: known → 必须有分; missing/unknown → goals 必须 NULL(不伪造 0:0) - normalize: 完赛缺分不再静默降级为 scheduled,改设 score_status=missing - events ingest: 创建/更新 Match 同步 score_status(比分由缺变 known / 确认缺分 missing) - slices(form/h2h/home_away)/backtest: 显式加 score_status='known' 过滤完赛样本 - 迁移 0022 回填现有数据(绝不 UPDATE goals=0) 测试 tests/test_p0_score_status.py(9/9):约束存在性/Match 构造/normalize 行为。 54 相关测试全绿。
Generic single-database configuration.