feat: workflow和chat分离

1，增加了创建workflow的页面
2.删除了event

frontend/src/types/index.ts

@@ -19,7 +19,6 @@ export interface Provider {
   provider_url?: string;
   provider_owner?: string;
   provider_models?: string[];
-  // Based on your UI needs we might infer some local status fields
   status?: string;
   model?: string;
 }
@@ -51,22 +50,31 @@ export interface ClusterNode {
   remaining: ClusterResources;
 }
 
-// Chat types
-export interface ChatMessageRequest {
+// Chat types (from DB)
+export interface ChatSessionDB {
+  chat_id: string;
+  user_id: string;
+  title: string;
+  created_at: string;
+  updated_at: string;
+}
+
+export interface ChatMessageDB {
+  message_id: string;
+  chat_id: string;
   message: string;
+  message_owner: string;
+  created_at: string;
 }
 
-export interface ChatMessageResponse {
-  message: string; // Either event_id or text
-}
-
-// Workflow types
+// Workflow types (matches backend API response)
 export interface Workflow {
-  event_id: string;
-  workflow_title: string;
+  trace_id: string;
+  title: string;
+  command: string;
   status?: string;
-  message?: string;
-  create_time?: string;
+  created_at?: string;
+  updated_at?: string;
 }
 
 export interface WorkflowStep {
@@ -80,22 +88,19 @@ export interface WorkflowStep {
 }
 
 export interface WorkflowDetail {
-  event_id: string;
-  workflow_title: string | null;
+  trace_id: string;
+  title: string;
   status: string;
   command?: string;
-  current_step: number;
-  user_name: string;
-  message: string;
-  create_time: string;
   steps: WorkflowStep[];
+  context_blackboard?: Record<string, unknown>;
 }
 
 // Workflow Template Validation
 export interface WorkStep {
   name: string;
   desc?: string;
-  actor: string; // the name of the worker individual
+  actor: string;
   inputs?: string[];
   outputs?: string[];
 }