feat: scaffold React SPA with Vite, design system, and TypeScript types

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

ui/src/main.tsx

@@ -0,0 +1,8 @@
+import React from 'react';
+import ReactDOM from 'react-dom/client';
+
+ReactDOM.createRoot(document.getElementById('root')!).render(
+  <React.StrictMode>
+    <div>Cameleer SaaS</div>
+  </React.StrictMode>
+);

ui/src/types/api.ts

@@ -0,0 +1,85 @@
+export interface TenantResponse {
+  id: string;
+  name: string;
+  slug: string;
+  tier: string;
+  status: string;
+  createdAt: string;
+  updatedAt: string;
+}
+
+export interface EnvironmentResponse {
+  id: string;
+  tenantId: string;
+  slug: string;
+  displayName: string;
+  status: string;
+  createdAt: string;
+  updatedAt: string;
+}
+
+export interface AppResponse {
+  id: string;
+  environmentId: string;
+  slug: string;
+  displayName: string;
+  jarOriginalFilename: string | null;
+  jarSizeBytes: number | null;
+  jarChecksum: string | null;
+  exposedPort: number | null;
+  routeUrl: string | null;
+  currentDeploymentId: string | null;
+  previousDeploymentId: string | null;
+  createdAt: string;
+  updatedAt: string;
+}
+
+export interface DeploymentResponse {
+  id: string;
+  appId: string;
+  version: number;
+  imageRef: string;
+  desiredStatus: string;
+  observedStatus: string;
+  errorMessage: string | null;
+  orchestratorMetadata: Record<string, unknown>;
+  deployedAt: string | null;
+  stoppedAt: string | null;
+  createdAt: string;
+}
+
+export interface LicenseResponse {
+  id: string;
+  tenantId: string;
+  tier: string;
+  features: Record<string, boolean>;
+  limits: Record<string, number>;
+  issuedAt: string;
+  expiresAt: string;
+  token: string;
+}
+
+export interface AgentStatusResponse {
+  registered: boolean;
+  state: string;
+  lastHeartbeat: string | null;
+  routeIds: string[];
+  applicationId: string;
+  environmentId: string;
+}
+
+export interface ObservabilityStatusResponse {
+  hasTraces: boolean;
+  hasMetrics: boolean;
+  hasDiagrams: boolean;
+  lastTraceAt: string | null;
+  traceCount24h: number;
+}
+
+export interface LogEntry {
+  appId: string;
+  deploymentId: string;
+  timestamp: string;
+  stream: string;
+  message: string;
+}