feat: initial microservices project structure

Services:
- api: FastAPI gateway with JWT auth, async endpoints, WebSocket
- worker-gpu: CUDA sentence-transformers, FAISS IVFFlat, Ollama LLM
- worker-indexer: Winnowing+MinHash plagiarism detection, PDF/DOCX extraction
- worker-notifier: SMTP email notifications
- worker-gost: GOST 7.1-2003 and GOST R 7.0.5-2008 formatting

Infrastructure:
- docker-compose.yml (production) + docker-compose.dev.yml (hot reload)
- Nginx reverse proxy + WebSocket support
- PostgreSQL 16 with Alembic migrations
- Elasticsearch 8 with Russian/English analyzers
- MinIO, RabbitMQ, Redis, Ollama

Frontend:
- React 18 + Vite + TypeScript + TailwindCSS + Zustand + React Query v5
- 9 pages: Home, Search, Cabinet, Task, Check, Bibliography, Pricing, Login, Register

Scripts:
- Parser stubs: OpenAlex, КиберЛенинка, arXiv (Phase 0 - to be filled)

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

services/frontend/src/pages/Cabinet.tsx

@@ -0,0 +1,132 @@
+import React from 'react';
+import { Navigate } from 'react-router-dom';
+import { useQuery } from '@tanstack/react-query';
+import { Crown, Search, Shield, BookOpen } from 'lucide-react';
+import { TaskCard } from '../components/TaskCard';
+import { tasksApi } from '../api/client';
+import { useAuthStore } from '../store/auth';
+import { PLAN_LIMITS, type Task } from '../types';
+
+const PLAN_BADGE_STYLES = {
+  free: 'bg-gray-100 text-gray-600',
+  student: 'bg-blue-100 text-blue-700',
+  premium: 'bg-purple-100 text-purple-700',
+  science: 'bg-amber-100 text-amber-700',
+};
+
+export function Cabinet() {
+  const { isAuthenticated, user } = useAuthStore();
+
+  if (!isAuthenticated) {
+    return <Navigate to="/login" replace />;
+  }
+
+  const { data: tasks, isLoading } = useQuery({
+    queryKey: ['tasks'],
+    queryFn: () => tasksApi.list().then((r) => r.data as Task[]),
+    refetchInterval: 10000,
+  });
+
+  const plan = user?.plan || 'free';
+  const planInfo = PLAN_LIMITS[plan as keyof typeof PLAN_LIMITS];
+
+  return (
+    <div className="space-y-8">
+      {/* Профиль */}
+      <div className="bg-white rounded-2xl border border-gray-100 p-6">
+        <div className="flex items-start gap-4">
+          <div className="w-16 h-16 bg-brand-100 rounded-2xl flex items-center justify-center flex-shrink-0">
+            <span className="text-2xl font-bold text-brand-700">
+              {user?.name?.[0]?.toUpperCase() || 'U'}
+            </span>
+          </div>
+          <div className="flex-1">
+            <div className="flex items-center gap-2 mb-1">
+              <h2 className="text-xl font-semibold text-gray-900">{user?.name}</h2>
+              <span className={`px-2 py-0.5 rounded-full text-xs font-medium ${PLAN_BADGE_STYLES[plan as keyof typeof PLAN_BADGE_STYLES]}`}>
+                {planInfo.name}
+              </span>
+            </div>
+            <p className="text-gray-500 text-sm">{user?.email}</p>
+          </div>
+          <button className="px-4 py-2 text-sm font-medium bg-brand-600 text-white rounded-lg hover:bg-brand-700 transition-colors">
+            Обновить план
+          </button>
+        </div>
+      </div>
+
+      {/* Лимиты */}
+      <div className="grid grid-cols-2 sm:grid-cols-4 gap-4">
+        {[
+          {
+            icon: Search,
+            label: 'Поисков/день',
+            value: planInfo.search_per_day,
+            color: 'text-blue-600',
+            bg: 'bg-blue-50',
+          },
+          {
+            icon: Shield,
+            label: 'Проверок/мес',
+            value: planInfo.plagiarism_per_month,
+            color: 'text-purple-600',
+            bg: 'bg-purple-50',
+          },
+          {
+            icon: BookOpen,
+            label: 'Изложений/мес',
+            value: planInfo.summarize_per_month,
+            color: 'text-emerald-600',
+            bg: 'bg-emerald-50',
+          },
+          {
+            icon: Crown,
+            label: 'Одновременно',
+            value: planInfo.concurrent,
+            color: 'text-amber-600',
+            bg: 'bg-amber-50',
+          },
+        ].map(({ icon: Icon, label, value, color, bg }) => (
+          <div key={label} className="bg-white rounded-xl border border-gray-100 p-4">
+            <div className={`w-8 h-8 ${bg} rounded-lg flex items-center justify-center mb-2`}>
+              <Icon className={`w-4 h-4 ${color}`} />
+            </div>
+            <div className="text-xl font-bold text-gray-900">
+              {value === null ? '∞' : value}
+            </div>
+            <div className="text-xs text-gray-500">{label}</div>
+          </div>
+        ))}
+      </div>
+
+      {/* Задачи */}
+      <div>
+        <h3 className="text-lg font-semibold text-gray-900 mb-4">
+          Мои задачи {tasks && `(${tasks.length})`}
+        </h3>
+
+        {isLoading && (
+          <div className="space-y-3">
+            {[1, 2, 3].map((i) => (
+              <div key={i} className="h-20 bg-gray-100 rounded-xl animate-pulse" />
+            ))}
+          </div>
+        )}
+
+        {tasks && tasks.length > 0 && (
+          <div className="space-y-2">
+            {tasks.map((task) => (
+              <TaskCard key={task.id} task={task} />
+            ))}
+          </div>
+        )}
+
+        {tasks && tasks.length === 0 && (
+          <div className="text-center py-12 text-gray-400">
+            <p>Задач пока нет. Начните с поиска источников!</p>
+          </div>
+        )}
+      </div>
+    </div>
+  );
+}