feat: 完成工作流开始节点开场表单

- 增加开始节点 startFormMeta/startFormSchema 配置与运行参数解析

- 统一 Admin/UserCenter 开场表单渲染与文件集合输入

- 补充开始表单校验、引用迁移和前端工具测试

easyflow-api/easyflow-api-usercenter/src/main/java/tech/easyflow/usercenter/controller/ai/UcWorkflowController.java

@@ -4,18 +4,15 @@ import cn.dev33.satoken.annotation.SaCheckPermission;
 import cn.dev33.satoken.stp.StpUtil;
 import com.mybatisflex.core.paginate.Page;
 import com.mybatisflex.core.query.QueryWrapper;
-import com.easyagents.flow.core.chain.ChainDefinition;
-import com.easyagents.flow.core.chain.Parameter;
 import com.easyagents.flow.core.chain.runtime.ChainExecutor;
-import com.easyagents.flow.core.parser.ChainParser;
 import org.springframework.web.bind.annotation.*;
 import tech.easyflow.ai.permission.WorkflowVisibilityQueryHelper;
 import tech.easyflow.ai.easyagentsflow.entity.ChainInfo;
 import tech.easyflow.ai.easyagentsflow.entity.NodeInfo;
 import tech.easyflow.ai.easyagentsflow.entity.WorkflowCheckStage;
-import tech.easyflow.ai.easyagentsflow.service.WorkflowDatacenterContentService;
 import tech.easyflow.ai.easyagentsflow.service.TinyFlowService;
 import tech.easyflow.ai.easyagentsflow.service.WorkflowCheckService;
+import tech.easyflow.ai.easyagentsflow.service.WorkflowRunningParameterResolver;
 import tech.easyflow.ai.entity.Workflow;
 import tech.easyflow.ai.service.WorkflowService;
 import tech.easyflow.common.annotation.UsePermission;
@@ -48,13 +45,11 @@ public class UcWorkflowController extends BaseCurdController<WorkflowService, Wo
     @Resource
     private ChainExecutor chainExecutor;
     @Resource
-    private ChainParser chainParser;
-    @Resource
     private TinyFlowService tinyFlowService;
     @Resource
     private WorkflowCheckService workflowCheckService;
     @Resource
-    private WorkflowDatacenterContentService workflowDatacenterContentService;
+    private WorkflowRunningParameterResolver workflowRunningParameterResolver;
     @Resource
     private WorkflowVisibilityQueryHelper workflowVisibilityQueryHelper;
 
@@ -86,6 +81,7 @@ public class UcWorkflowController extends BaseCurdController<WorkflowService, Wo
         if (variables == null) {
             variables = new HashMap<>();
         }
+        variables = workflowRunningParameterResolver.normalizeRuntimeVariables(workflow.getContent(), variables);
         if (StpUtil.isLogin()) {
             variables.put(Constants.LOGIN_USER_KEY, SaTokenUtil.getLoginAccount());
         }
@@ -115,6 +111,7 @@ public class UcWorkflowController extends BaseCurdController<WorkflowService, Wo
             throw new RuntimeException("工作流不存在");
         }
         workflowCheckService.checkOrThrow(workflow.getContent(), WorkflowCheckStage.PRE_EXECUTE, workflow.getId());
+        variables = workflowRunningParameterResolver.normalizeRuntimeVariables(workflow.getContent(), variables);
         if (StpUtil.isLogin()) {
             variables.put(Constants.LOGIN_USER_KEY, SaTokenUtil.getLoginAccount());
         }
@@ -176,17 +173,10 @@ public class UcWorkflowController extends BaseCurdController<WorkflowService, Wo
             return Result.fail(1, "can not find the workflow by id: " + id);
         }
         workflowCheckService.checkOrThrow(workflow.getContent(), WorkflowCheckStage.PRE_EXECUTE, workflow.getId());
-
-        ChainDefinition definition = chainParser.parse(workflowDatacenterContentService.prepareContent(workflow.getContent()));
-        if (definition == null) {
+        Map<String, Object> res = workflowRunningParameterResolver.buildRunningParametersView(workflow);
+        if (res == null) {
             return Result.fail(2, "节点配置错误，请检查! ");
         }
-        List<Parameter> chainParameters = definition.getStartParameters();
-        Map<String, Object> res = new HashMap<>();
-        res.put("parameters", chainParameters);
-        res.put("title", workflow.getTitle());
-        res.put("description", workflow.getDescription());
-        res.put("icon", workflow.getIcon());
         return Result.ok(res);
     }