feat(workflow): add per-agent vision configuration

frontend/src/components/workflow/WorkflowCanvas.tsx

@@ -103,6 +103,8 @@ function fromFlow(nodes: Node[], edges: Edge[]): WorkflowGraph {
       defaultLlmResourceId: "",
       defaultAsrResourceId: "",
       defaultTtsResourceId: "",
+      visionEnabled: false,
+      visionModelResourceId: "",
       toolIds: [],
       knowledgeBaseId: "",
       knowledgeMode: "automatic",
@@ -170,6 +172,8 @@ export function WorkflowCanvas({
       defaultLlmResourceId: settings.llm ?? "",
       defaultAsrResourceId: settings.asr ?? "",
       defaultTtsResourceId: settings.tts ?? "",
+      visionEnabled: settings.visionEnabled,
+      visionModelResourceId: settings.visionModelResourceId,
       toolIds: settings.toolIds,
       knowledgeBaseId: settings.knowledgeBaseId,
       knowledgeMode: settings.knowledgeRetrievalConfig.mode,
@@ -187,6 +191,8 @@ export function WorkflowCanvas({
     settings.llm,
     settings.asr,
     settings.tts,
+    settings.visionEnabled,
+    settings.visionModelResourceId,
     settings.toolIds,
     settings.knowledgeBaseId,
     settings.knowledgeRetrievalConfig.mode,
@@ -645,6 +651,7 @@ export function WorkflowCanvas({
                           llmOptions={modelOptions.llm}
                           asrOptions={modelOptions.asr}
                           ttsOptions={modelOptions.tts}
+                          visionOptions={modelOptions.vision}
                           workflowSettings={settings}
                           onChange={(patch) =>
                             updateNodeData(editingNode.id, patch)