feat: 完善 Agent 标准交互与安全运行时

- 接入 AG-UI 运行投影、Turn 时间线和审批隔离

- 增加 Agent Skill 冻结绑定与运行时消费闭环

- 增加受控工作区、内置工具和私有 Artifact 生命周期

easyflow-starter/easyflow-starter-all/src/main/resources/application.yml

@@ -170,6 +170,20 @@ easyflow:
       app-key: xxx
       voice: siyue
   agent:
+    workspace:
+      root: ./agent-workspaces
+      max-total-size: 512MB
+      max-single-file-size: 100MB
+      max-file-count: 2000
+      max-read-size: 2MB
+      retention: 24h
+      cleanup-interval: 30m
+    shell:
+      default-timeout: 60s
+      max-timeout: 300s
+      max-command-length: 4096
+      max-output-size: 1MB
+      max-concurrent-per-instance: 2
     runtime:
       instance-id: ${EASYFLOW_INSTANCE_ID:${HOSTNAME:${random.uuid}}}
       route-ttl: 24h
@@ -264,6 +278,13 @@ dromara:
         end-point: http://127.0.0.1:39000
         bucket-name: easyflow-agent-media
         base-path: agent-chat
+      - platform: minio-agent-artifacts
+        enable-storage: true
+        access-key: easyflowadmin
+        secret-key: easyflowadmin123
+        end-point: http://127.0.0.1:39000
+        bucket-name: easyflow-agent-artifacts
+        base-path: published
 
 # easy-agents 文档解析统一配置
 easy-agents: