diff --git a/frontend/src/types/index.ts b/frontend/src/types/index.ts
index 57d50d2..36ac8eb 100644
--- a/frontend/src/types/index.ts
+++ b/frontend/src/types/index.ts
@@ -226,8 +226,33 @@ export interface Review {
   reviewed_at?: string;
   tenant_id: number;
   created_at: string;
+  // ---- Enriched context (joined from task / project / worker / execution) ----
+  task_title: string;
+  task_description: string;
+  task_input_data: string;
+  task_output_data: string;
+  task_priority: string;
+  task_type: string;
+  task_status: string;
+  project_name: string;
+  project_description: string;
+  worker_id?: number;
+  worker_name?: string;
+  worker_model_name?: string;
+  worker_provider?: string;
+  worker_system_prompt?: string;
+  cost_cents: number;
+  token_usage: number;
+  duration_ms: number;
 }
 
+/**
+ * Review with full context: task/project/worker/cost joined.
+ * Now an alias of `Review`, which itself carries all enriched fields.
+ * Kept for API typing clarity (reviewApi returns ReviewDetail[]).
+ */
+export interface ReviewDetail extends Review {}
+
 export interface ReviewDecisionPayload {
   comment: string;
   status: 'approved' | 'rejected';
@@ -276,6 +301,99 @@ export interface DashboardStats {
   };
 }
 
+// ============ Knowledge Base ============
+
+export interface KnowledgeDoc {
+  id: number;
+  title: string;
+  content: string;
+  doc_type: string;
+  source?: string;
+  tags: string;
+  project_id: number;
+  tenant_id: number;
+  created_at: string;
+  updated_at?: string;
+}
+
+export interface KnowledgeDocCreate {
+  title: string;
+  content: string;
+  doc_type?: string;
+  source?: string;
+  tags?: string;
+  project_id?: number;
+}
+
+export interface KnowledgeSearchResult {
+  id: number;
+  title: string;
+  content: string;
+  doc_type: string;
+  tags: string;
+  score: number;
+  project_id: number;
+  created_at?: string;
+}
+
+// ============ Alerts ============
+
+export type AlertSeverity = 'critical' | 'warning' | 'info';
+
+export interface Alert {
+  id: number;
+  alert_type: string;
+  severity: AlertSeverity;
+  message: string;
+  is_read: boolean;
+  project_id?: number;
+  worker_id?: number;
+  tenant_id: number;
+  created_at: string;
+}
+
+export interface AlertUnreadCount {
+  count: number;
+}
+
+// ============ Webhooks ============
+
+export interface Webhook {
+  id: number;
+  url: string;
+  events: string;
+  project_id: number;
+  secret?: string;
+  tenant_id: number;
+  created_at: string;
+}
+
+export interface WebhookCreate {
+  url: string;
+  events: string;
+  project_id: number;
+  secret?: string;
+}
+
+// ============ DAG Execution ============
+
+export interface DagExecutePayload {
+  project_id: number;
+  task_ids: number[];
+}
+
+export interface DagExecuteResult {
+  execution_id?: number;
+  status: string;
+  message?: string;
+  results?: Array<{
+    task_id: number;
+    status: string;
+    output?: string;
+    error?: string;
+  }>;
+}
+
 // ============ Generic ============
 
 export interface ApiError {