feat(dashboard): add performance and operations slices

apps/dashboard/src/features/operations/operations-api.ts

@@ -0,0 +1,54 @@
+import { z } from 'zod';
+import {
+  ActivityResponseSchema,
+  ChatSyncStatusSchema,
+} from '../../../../../packages/api-contracts/src/index.js';
+
+export const RawLogEntrySchema = z.strictObject({
+  timestamp: z.number(),
+  level: z.union([z.literal('debug'), z.literal('info'), z.literal('warn'), z.literal('error')]),
+  message: z.string(),
+  data: z.unknown().optional(),
+});
+export const RawLogsResponseSchema = z.array(RawLogEntrySchema);
+export type RawLogEntry = z.infer<typeof RawLogEntrySchema>;
+
+async function parseResponse<T>(
+  response: Response,
+  schema: { parse(value: unknown): T },
+): Promise<T> {
+  const payload: unknown = await response.json();
+  if (!response.ok) {
+    const message =
+      typeof payload === 'object' &&
+      payload !== null &&
+      'error' in payload &&
+      typeof payload.error === 'string'
+        ? payload.error
+        : `Request failed (${response.status})`;
+    throw new Error(message);
+  }
+  return schema.parse(payload);
+}
+
+export function createOperationsApi(fetchImplementation?: typeof fetch) {
+  function request(path: string): Promise<Response> {
+    return (fetchImplementation ?? globalThis.fetch)(path);
+  }
+  return {
+    async getActivity() {
+      return parseResponse(await request('/api/activity'), ActivityResponseSchema);
+    },
+    async getLogs(limit = 200) {
+      return parseResponse(
+        await request(`/api/logs?limit=${limit}`),
+        RawLogsResponseSchema,
+      );
+    },
+    async getSyncStatus() {
+      return parseResponse(await request('/api/chats/sync'), ChatSyncStatusSchema);
+    },
+  };
+}
+
+export const operationsApi = createOperationsApi();