Complete private Monero miner control stack.

Implement Windows agent with RandomX mining and WebSocket fleet reporting, wire dashboard settings into the builder with saved exe paths, and add project README.

server/web/src/api/client.ts

@@ -0,0 +1,53 @@
+import type { Agent, Share, HashrateSample, BuildRecord, FleetStats, ServerConfig, BuildRequest, BuildResponse } from '../types';
+
+const API_BASE = '/api/v1';
+
+async function fetchJSON<T>(url: string, options?: RequestInit): Promise<T> {
+  const res = await fetch(`${API_BASE}${url}`, {
+    headers: { 'Content-Type': 'application/json' },
+    ...options,
+  });
+  if (!res.ok) {
+    const err = await res.text();
+    throw new Error(`API error ${res.status}: ${err}`);
+  }
+  return res.json();
+}
+
+export const api = {
+  // Dashboard
+  getStats: () => fetchJSON<FleetStats>('/dashboard/stats'),
+
+  // Agents
+  listAgents: () => fetchJSON<Agent[]>('/agents'),
+  getAgent: (id: string) => fetchJSON<Agent>(`/agents/${id}`),
+  getAgentStats: (id: string, limit?: number) =>
+    fetchJSON<HashrateSample[]>(`/agents/${id}/stats${limit ? `?limit=${limit}` : ''}`),
+
+  // Shares
+  getRecentShares: (limit?: number) =>
+    fetchJSON<Share[]>(`/shares${limit ? `?limit=${limit}` : ''}`),
+
+  // Builds
+  listBuilds: () => fetchJSON<BuildRecord[]>('/builds'),
+
+  // Config
+  getConfig: () => fetchJSON<ServerConfig>('/config'),
+  updateConfig: (config: Partial<ServerConfig>) =>
+    fetchJSON<ServerConfig>('/config', {
+      method: 'PUT',
+      body: JSON.stringify(config),
+    }),
+
+  // Builder
+  buildAgent: (req: BuildRequest) =>
+    fetchJSON<BuildResponse>('/builder/build', {
+      method: 'POST',
+      body: JSON.stringify(req),
+    }),
+
+  downloadBuild: (buildId: string) => `${API_BASE}/builds/${buildId}/download`,
+
+  // Health
+  healthCheck: () => fetchJSON<{ status: string }>('/health'),
+};