feat: add knowledge management pages

frontend/src/features/knowledge/api.ts

@@ -0,0 +1,37 @@
+import { apiRequest } from '@/lib/api'
+
+import type { KnowledgeBase, KnowledgeItemInput, KnowledgeSearchResult } from './types'
+
+export function listKnowledgeBases() {
+  return apiRequest<KnowledgeBase[]>('/knowledge/bases')
+}
+
+export function createKnowledgeBase(payload: {
+  name: string
+  description: string
+  scope: string
+  enabled?: boolean
+}) {
+  return apiRequest<KnowledgeBase>('/knowledge/bases', {
+    method: 'POST',
+    body: JSON.stringify({ ...payload, enabled: payload.enabled ?? true })
+  })
+}
+
+export function createKnowledgeItem(payload: KnowledgeItemInput) {
+  return apiRequest('/knowledge/items', {
+    method: 'POST',
+    body: JSON.stringify(payload)
+  })
+}
+
+export function searchKnowledge(query: string, knowledgeBaseId?: number) {
+  return apiRequest<KnowledgeSearchResult[]>('/knowledge/search', {
+    method: 'POST',
+    body: JSON.stringify({
+      query,
+      knowledge_base_id: knowledgeBaseId,
+      limit: 8
+    })
+  })
+}