docs(skill): 覆盖率阶段 2 完成 —— 全量 evals 与四段式文档清零

- 24 个技能补齐 evals（正常/边界/失败恢复）与 docs/skills/*.md - 覆盖 dev 类、发布 runbook、karpathy 守则、PR/清单等 - coverage: 24 -> 0（40 个 promoted+model-invoked 全覆盖）
2026-11-01 05:19:28 +08:00
parent 8bc3300928
commit 7b221cc767
50 changed files with 1210 additions and 103 deletions
@@ -0,0 +1,27 @@
+{
+  "skill_name": "db-migration",
+  "skill_version": "1.0.0",
+  "evals": [
+    {
+      "id": 1,
+      "kind": "happy_path",
+      "prompt": "给 users 表加一个字段，写 migration",
+      "expected_output": "给前向+回滚脚本、幂等、大表用在线/分批策略，说明锁表影响",
+      "files": []
+    },
+    {
+      "id": 2,
+      "kind": "edge_case",
+      "prompt": "大表直接 ALTER 加索引，快",
+      "expected_output": "拒绝：改用在线 DDL/并发建索引或分批，评估锁表时间",
+      "files": []
+    },
+    {
+      "id": 3,
+      "kind": "failure_recovery",
+      "prompt": "migration 执行失败",
+      "expected_output": "按回滚步骤恢复并做数据校验，报告失败阶段",
+      "files": []
+    }
+  ]
+}