Docs: precipitate Action Lookup skill_cli contract (v1.0.119)

assets/examples/lookup-skill-cli.action.example.json

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+{
+  "_comment": "形状参考：Action Lookup 的 skill_cli 源——打开表单时宿主 sync 调用兄弟技能 CLI，从 stdout JSON 抽选项。完整契约见 references/ACTIONS.md「跨表引用：Lookup」。本例对标 account-manager 遗留 list-json（stdout 为账号数组，字段 id / account_label）；其它依赖技能请核对自己的命令与 JSON 形状。",
+  "schemaVersion": 1,
+  "skill": "your-skill-slug",
+  "actions": [
+    {
+      "id": "publish-with-account",
+      "label": "发布（示例）",
+      "description": "演示跨技能选账号：skill_cli 调 account-manager，勿在本技能维护账号缓存表。",
+      "placements": ["toolbar", "cron"],
+      "executionProfile": "async",
+      "interaction": "form",
+      "bind": {
+        "tables": ["articles"],
+        "selectionMode": "none"
+      },
+      "entrypoint": {
+        "type": "cli",
+        "command": "run",
+        "args": ["--account-id", "{{accountId}}", "--pick", "{{pickCount}}"]
+      },
+      "inputSchema": {
+        "type": "object",
+        "required": ["pickCount"],
+        "properties": {
+          "pickCount": {
+            "type": "number",
+            "title": "发布数量",
+            "description": "从未发布队列领取的条数",
+            "default": 1,
+            "minimum": 1
+          },
+          "accountId": {
+            "type": "string",
+            "title": "发布账号",
+            "description": "不选则由系统自动分配；选定后本次全部使用该号。",
+            "display_type": "lookup",
+            "lookup": {
+              "source": "skill_cli",
+              "skill": "account-manager",
+              "command": "list-json",
+              "args": ["toutiao"],
+              "value_column": "id",
+              "label_column": "account_label"
+            }
+          }
+        }
+      }
+    }
+  ]
+}