feat(workflow): add per-agent vision configuration

frontend/src/components/workflow/specs.ts

@@ -38,6 +38,8 @@ export type WorkflowNodeData = {
   llmResourceId?: string;
   asrResourceId?: string;
   ttsResourceId?: string;
+  visionEnabled?: boolean;
+  visionModelResourceId?: string;
   enableInterrupt?: boolean;
   turnConfig?: TurnConfig;
   toolId?: string;
@@ -140,6 +142,8 @@ export type WorkflowGraph = {
     defaultLlmResourceId: string;
     defaultAsrResourceId: string;
     defaultTtsResourceId: string;
+    visionEnabled: boolean;
+    visionModelResourceId: string;
     toolIds: string[];
     knowledgeBaseId: string;
     knowledgeMode: "automatic" | "on_demand";
@@ -172,6 +176,8 @@ export function defaultGraph(): WorkflowGraph {
       defaultLlmResourceId: "",
       defaultAsrResourceId: "",
       defaultTtsResourceId: "",
+      visionEnabled: false,
+      visionModelResourceId: "",
       toolIds: [],
       knowledgeBaseId: "",
       knowledgeMode: "automatic",
@@ -234,3 +240,14 @@ export function defaultGraph(): WorkflowGraph {
     ],
   };
 }
+
+/** The camera stays connected when at least one effective Agent can use it. */
+export function workflowUsesVision(graph: WorkflowGraph): boolean {
+  return graph.nodes.some((node) => {
+    if (node.type !== "agent") return false;
+    const inheritsGlobal = node.data.inheritGlobalConfig !== false;
+    return inheritsGlobal
+      ? graph.settings.visionEnabled
+      : Boolean(node.data.visionEnabled);
+  });
+}