feat(KB-086): complete Step 5 — add activity log API client functions

packages/dashboard/app/api.ts

@@ -10,6 +10,8 @@ import type {
   BatchStatusResult,
   BatchStatusResponse,
   BatchStatusEntry,
+  ActivityLogEntry,
+  ActivityEventType,
 } from "@kb/core";
 import type { PlanningQuestion, PlanningSummary, PlanningResponse } from "@kb/core";
 import type { ScheduledTask, ScheduledTaskCreateInput, ScheduledTaskUpdateInput, AutomationRunResult } from "@kb/core";
@@ -944,3 +946,23 @@ export function toggleAutomation(id: string): Promise<ScheduledTask> {
     method: "POST",
   });
 }
+
+// ── Activity Log API ────────────────────────────────────────────
+
+/** Re-export ActivityLogEntry type from core for convenience */
+export type { ActivityLogEntry, ActivityEventType } from "@kb/core";
+
+/** Fetch activity log entries */
+export function fetchActivityLog(options?: { limit?: number; since?: string; type?: ActivityEventType }): Promise<ActivityLogEntry[]> {
+  const search = new URLSearchParams();
+  if (options?.limit !== undefined) search.set("limit", String(options.limit));
+  if (options?.since !== undefined) search.set("since", options.since);
+  if (options?.type !== undefined) search.set("type", options.type);
+  const suffix = search.size > 0 ? `?${search.toString()}` : "";
+  return api<ActivityLogEntry[]>(`/activity${suffix}`);
+}
+
+/** Clear all activity log entries */
+export function clearActivityLog(): Promise<{ success: boolean }> {
+  return api<{ success: boolean }>("/activity", { method: "DELETE" });
+}