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/components/GostCitation.tsx

@@ -0,0 +1,41 @@
+import React from 'react';
+import { Copy, Check } from 'lucide-react';
+import { useState } from 'react';
+
+interface GostCitationProps {
+  citation: string;
+  number?: number;
+}
+
+export function GostCitation({ citation, number }: GostCitationProps) {
+  const [copied, setCopied] = useState(false);
+
+  const handleCopy = () => {
+    navigator.clipboard.writeText(citation).then(() => {
+      setCopied(true);
+      setTimeout(() => setCopied(false), 2000);
+    });
+  };
+
+  return (
+    <div className="group flex items-start gap-3 py-2 px-3 rounded-lg hover:bg-gray-50 transition-colors">
+      {number !== undefined && (
+        <span className="flex-shrink-0 text-sm text-gray-400 font-mono w-6 pt-0.5 text-right">
+          {number}.
+        </span>
+      )}
+      <p className="flex-1 text-sm text-gray-700 leading-relaxed">{citation}</p>
+      <button
+        onClick={handleCopy}
+        className="flex-shrink-0 p-1 rounded text-gray-300 hover:text-gray-600 opacity-0 group-hover:opacity-100 transition-all"
+        title="Копировать"
+      >
+        {copied ? (
+          <Check className="w-4 h-4 text-green-500" />
+        ) : (
+          <Copy className="w-4 h-4" />
+        )}
+      </button>
+    </div>
+  );
+}