feat: add skill and assistant knowledge bases

frontend-web/src/core/system-settings/api.ts

@@ -8,6 +8,31 @@ export interface PromptPrefixSettings {
   prompt_prefix: string;
 }
 
+export type KnowledgeBaseProductVersion = "v1" | "v2";
+
+export async function loadKnowledgeBaseProductVersion(): Promise<KnowledgeBaseProductVersion> {
+  const response = await apiFetch(
+    `${getBackendBaseURL()}/api/system-settings/knowledge-base-product-version`,
+  );
+  if (!response.ok) throw new Error(`Failed to load knowledge base product version: ${response.status}`);
+  return ((await response.json()) as { version: KnowledgeBaseProductVersion }).version;
+}
+
+export async function updateKnowledgeBaseProductVersion(
+  version: KnowledgeBaseProductVersion,
+): Promise<KnowledgeBaseProductVersion> {
+  const response = await apiFetch(
+    `${getBackendBaseURL()}/api/system-settings/knowledge-base-product-version`,
+    {
+      method: "PUT",
+      headers: { "Content-Type": "application/json" },
+      body: JSON.stringify({ version }),
+    },
+  );
+  if (!response.ok) throw new Error(`Failed to update knowledge base product version: ${response.status}`);
+  return ((await response.json()) as { version: KnowledgeBaseProductVersion }).version;
+}
+
 export interface PluginDomainAgentMappingDto {
   id: string;
   domain: string;