Codify Skill Action sync/async and task-center gold standards (v1.0.40)

assets/schemas/skill-actions.schema.json

@@ -120,7 +120,12 @@
         },
         "entrypoint": { "$ref": "#/$defs/entrypoint" },
         "inputSchema": { "$ref": "#/$defs/inputSchema" },
-        "confirmation": { "$ref": "#/$defs/confirmation" }
+        "confirmation": { "$ref": "#/$defs/confirmation" },
+        "executionProfile": {
+          "type": "string",
+          "enum": ["sync", "async"],
+          "description": "sync=宿主内联等待结果（约 30s）；async=后台 Job 进任务中心。模板要求显式写出；RPA/长耗时必须 async。"
+        }
       },
       "description": "模板 Phase 1 不包含 bind/concurrency/locks 等预留能力字段；宿主类型可能定义这些字段，但新技能不得依赖"
     }