.NET: Expose more agent metadata through DevUI discovery endpoint (#2138)

* Exposes more agent metadata through DevUI discovery endpoint

* Exposes more agent metadata through DevUI discovery endpoint

* pr feedback

* pr feedback

* Don't expose Workflows as agents to DevUI

python/packages/devui/frontend/src/components/features/agent/agent-details-modal.tsx

@@ -94,14 +94,14 @@ export function AgentDetailsModal({
           {/* Grid Layout for Metadata */}
           <div className="grid grid-cols-1 md:grid-cols-2 gap-4 mb-4">
             {/* Model & Client */}
-            {(agent.model || agent.chat_client_type) && (
+            {(agent.model_id || agent.chat_client_type) && (
               <DetailCard
                 title="Model & Client"
                 icon={<Bot className="h-4 w-4 text-muted-foreground" />}
               >
                 <div className="space-y-1">
-                  {agent.model && (
-                    <div className="font-mono text-foreground">{agent.model}</div>
+                  {agent.model_id && (
+                    <div className="font-mono text-foreground">{agent.model_id}</div>
                   )}
                   {agent.chat_client_type && (
                     <div className="text-xs">({agent.chat_client_type})</div>
@@ -136,7 +136,9 @@ export function AgentDetailsModal({
             >
               <div
                 className={
-                  agent.has_env ? "text-orange-600 dark:text-orange-400" : "text-green-600 dark:text-green-400"
+                  agent.has_env
+                    ? "text-orange-600 dark:text-orange-400"
+                    : "text-green-600 dark:text-green-400"
                 }
               >
                 {agent.has_env
@@ -162,11 +164,11 @@ export function AgentDetailsModal({
           {/* Tools and Middleware Grid */}
           <div className="grid grid-cols-1 md:grid-cols-2 gap-4">
             {/* Tools */}
-            <DetailCard
-              title={`Tools (${agent.tools.length})`}
-              icon={<Package className="h-4 w-4 text-muted-foreground" />}
-            >
-              {agent.tools.length > 0 ? (
+            {agent.tools && agent.tools.length > 0 && (
+              <DetailCard
+                title={`Tools (${agent.tools.length})`}
+                icon={<Package className="h-4 w-4 text-muted-foreground" />}
+              >
                 <ul className="space-y-1">
                   {agent.tools.map((tool, index) => (
                     <li key={index} className="font-mono text-xs text-foreground">
@@ -174,10 +176,8 @@ export function AgentDetailsModal({
                     </li>
                   ))}
                 </ul>
-              ) : (
-                <div className="text-muted-foreground">No tools configured</div>
-              )}
-            </DetailCard>
+              </DetailCard>
+            )}
 
             {/* Middleware */}
             {agent.middleware && agent.middleware.length > 0 && (

python/packages/devui/frontend/src/components/features/workflow/workflow-details-modal.tsx

@@ -64,8 +64,8 @@ export function WorkflowDetailsModal({
     workflow.source === "directory"
       ? "Local"
       : workflow.source === "in_memory"
-      ? "In-Memory"
-      : "Gallery";
+        ? "In-Memory"
+        : "Gallery";
 
   return (
     <Dialog open={open} onOpenChange={onOpenChange}>
@@ -151,7 +151,8 @@ export function WorkflowDetailsModal({
                 {workflow.executors.map((executor, index) => (
                   <div
                     key={index}
-                    className="font-mono text-xs text-foreground bg-muted px-2 py-1 rounded"
+                    className="font-mono text-xs text-foreground bg-muted px-2 py-1 rounded truncate"
+                    title={executor}
                   >
                     {executor}
                   </div>

python/packages/devui/frontend/src/services/api.ts

@@ -33,12 +33,13 @@ interface BackendEntityInfo {
   tools?: (string | Record<string, unknown>)[];
   metadata: Record<string, unknown>;
   source?: string;
+  required_env_vars?: import("@/types").EnvVarRequirement[];
   // Deployment support
   deployment_supported?: boolean;
   deployment_reason?: string;
   // Agent-specific fields (present when type === "agent")
   instructions?: string;
-  model?: string;
+  model_id?: string;
   chat_client_type?: string;
   context_providers?: string[];
   middleware?: string[];
@@ -205,41 +206,51 @@ class ApiClient {
           tools: (entity.tools || []).map((tool) =>
             typeof tool === "string" ? tool : JSON.stringify(tool)
           ),
-          has_env: false, // Default value
+          has_env: !!(entity.required_env_vars && entity.required_env_vars.length > 0),
           module_path:
             typeof entity.metadata?.module_path === "string"
               ? entity.metadata.module_path
               : undefined,
+          required_env_vars: entity.required_env_vars,
           metadata: entity.metadata, // Preserve metadata including lazy_loaded flag
           // Deployment support
           deployment_supported: entity.deployment_supported,
           deployment_reason: entity.deployment_reason,
           // Agent-specific fields
           instructions: entity.instructions,
-          model: entity.model,
+          model_id: entity.model_id,
           chat_client_type: entity.chat_client_type,
           context_providers: entity.context_providers,
           middleware: entity.middleware,
         };
       } else {
-        // Workflow
-        const firstTool = entity.tools?.[0];
-        const startExecutorId = typeof firstTool === "string" ? firstTool : "";
-
+        // Workflow - prefer executors field, fall back to tools for backward compatibility
+        const executorList = entity.executors || entity.tools || [];
+        
+        // Determine start_executor_id: use entity value, or first executor if it's a string
+        let startExecutorId = entity.start_executor_id || "";
+        if (!startExecutorId && executorList.length > 0) {
+          const firstExecutor = executorList[0];
+          if (typeof firstExecutor === "string") {
+            startExecutorId = firstExecutor;
+          }
+        }
+        
         return {
           id: entity.id,
           name: entity.name,
           description: entity.description,
           type: "workflow" as const,
           source: (entity.source as AgentSource) || "directory",
-          executors: (entity.tools || []).map((tool) =>
-            typeof tool === "string" ? tool : JSON.stringify(tool)
+          executors: executorList.map((executor) =>
+            typeof executor === "string" ? executor : JSON.stringify(executor)
           ),
-          has_env: false,
+          has_env: !!(entity.required_env_vars && entity.required_env_vars.length > 0),
           module_path:
             typeof entity.metadata?.module_path === "string"
               ? entity.metadata.module_path
               : undefined,
+          required_env_vars: entity.required_env_vars,
           metadata: entity.metadata, // Preserve metadata including lazy_loaded flag
           // Deployment support
           deployment_supported: entity.deployment_supported,
@@ -250,6 +261,7 @@ class ApiClient {
             }, // Default schema
           input_type_name: entity.input_type_name || "Input",
           start_executor_id: startExecutorId,
+          tools: [],
         };
       }
     });

python/packages/devui/frontend/src/types/index.ts

@@ -37,7 +37,7 @@ export interface AgentInfo {
   deployment_reason?: string;
   // Agent-specific fields
   instructions?: string;
-  model?: string;
+  model_id?: string;
   chat_client_type?: string;
   context_providers?: string[];
   middleware?: string[];