feat: Freelancer Match — полная продакшн версия с AI-матчингом и escrow

README.md

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+# 🤝 Freelancer Match — Умная площадка для фрилансеров
+
+Площадка с AI-матчингом и escrow-гарантом сделок.
+
+## Архитектура
+
+```
+┌───────────────┐    ┌───────────────┐    ┌───────────────┐
+│   Next.js     │    │  FastAPI      │    │   Redis       │
+│   (Frontend)  │◄──►│  (Backend)    │◄──►│  (Cache/Queue)│
+└───────────────┘    └───────┬───────┘    └───────────────┘
+                            │
+                    ┌───────▼───────┐
+                    │ PostgreSQL +  │
+                    │ pgvector      │
+                    └───────────────┘
+```
+
+## Стек
+
+| Компонент | Технология |
+|-----------|------------|
+| Backend | Python 3.12, FastAPI, SQLAlchemy 2.0 |
+| Frontend | Next.js 14+, Tailwind CSS, shadcn/ui |
+| БД | PostgreSQL 16 + pgvector (AI-эмбеддинги) |
+| Кэш/Очереди | Redis 7+ |
+| AI | OpenAI embeddings + LLM для матчинга |
+| Платежи | Stripe Connect (escrow-гарант) |
+
+## Быстрый старт
+
+```bash
+# Запуск инфраструктуры
+docker compose up -d postgres redis
+
+# Backend
+cd backend
+cp .env.example .env  # настройте переменные
+pip install -r requirements.txt
+uvicorn app.main:app --reload
+
+# Frontend
+cd frontend
+npm install
+npm run dev
+```
+
+## API Endpoints
+
+| Метод | Endpoint | Описание |
+|-------|----------|----------|
+| POST | `/api/auth/register` | Регистрация |
+| POST | `/api/auth/login` | Логин (JWT) |
+| GET | `/api/projects?status=open` | Список проектов |
+| POST | `/api/projects` | Создать проект |
+| POST | `/api/ai/match-project` | AI-подбор фрилансеров |
+| POST | `/api/escrow/create` | Создать escrow-транзакцию |
+
+## Деплой
+
+```bash
+# Backend → Railway / AWS ECS
+# Frontend → Vercel
+# БД → Supabase / AWS RDS
+# Redis → Upstash
+```
+
+## Лицензия
+
+MIT © 2026 Freelancer Match

backend/.env.example

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+DATABASE_URL=postgresql+asyncpg://postgres:postgres@localhost:5432/freelancer_match
+REDIS_URL=redis://localhost:6379/0
+
+SECRET_KEY=your-secret-key-change-in-production
+ACCESS_TOKEN_EXPIRE_MINUTES=15
+REFRESH_TOKEN_EXPIRE_DAYS=7
+
+OPENAI_API_KEY=sk-...
+EMBEDDING_MODEL=text-embedding-3-small
+
+GOOGLE_CLIENT_ID=...
+GITHUB_CLIENT_ID=...
+GITHUB_CLIENT_SECRET=...
+
+STRIPE_SECRET_KEY=sk_test_...
+STRIPE_WEBHOOK_SECRET=whsec_...
+
+SMTP_HOST=smtp.gmail.com
+SMTP_PORT=587
+SMTP_USER=...
+SMTP_PASSWORD=...
+EMAIL_FROM=noreply@freelancermatch.com
+
+ALLOWED_ORIGINS=["http://localhost:3000","https://freelancermatch.com"]

backend/.gitignore

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+__pycache__/
+*.pyc
+.env
+venv/
+.venv/
+*.egg-info/

backend/alembic.ini

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+[alembic]
+script_location = alembic
+prepend_sys_path = .
+sqlalchemy.url = postgresql+asyncpg://postgres:postgres@localhost:5432/freelancer_match
+
+[loggers]
+keys = root,sqlalchemy,alembic
+
+[handlers]
+keys = console
+
+[formatters]
+keys = generic
+
+[logger_root]
+level = WARN
+handlers = console
+
+[logger_sqlalchemy]
+level = WARN
+handlers =
+qualname = sqlalchemy.engine
+
+[logger_alembic]
+level = INFO
+handlers =
+qualname = alembic
+
+[handler_console]
+class = StreamHandler
+args = (sys.stderr,)
+level = NOTSET
+formatter = generic
+
+[formatter_generic]
+format = %(levelname)-5.5s [%(name)s] %(message)s
+datefmt = %H:%M:%S

backend/alembic/env.py

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+"""Alembic конфигурация для async migrations."""
+
+import asyncio
+from logging.config import fileConfig
+
+from alembic import context
+from sqlalchemy.ext.asyncio import create_async_engine
+
+from app.core.database import Base
+from app.models import *  # noqa: F401,F403 — все модели должны быть импортированы
+
+config = context.config
+if config.config_file_name is not None:
+    fileConfig(config.config_file_name)
+
+target_metadata = Base.metadata
+
+
+def run_migrations_offline() -> None:
+    url = config.get_main_option("sqlalchemy.url")
+    context.configure(url=url, target_metadata=target_metadata, literal_binds=True)
+    with context.begin_transaction():
+        context.run_migrations()
+
+
+async def run_migrations_online() -> None:
+    connectable = create_async_engine(config.get_main_option("sqlalchemy.url"))
+    async with connectable.connect() as connection:
+        await connection.run_sync(do_run_migrations)
+
+
+def do_run_migrations(connection):
+    context.configure(connection=connection, target_metadata=target_metadata)
+    with context.begin_transaction():
+        context.run_migrations()
+
+
+if context.is_offline_mode():
+    run_migrations_offline()
+else:
+    asyncio.run(run_migrations_online())

backend/app/api/ai.py

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+"""AI endpoints: матчинг, рекомендации."""
+
+import logging
+
+from fastapi import APIRouter, Depends
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.core.database import get_db
+from app.schemas.ai_match import AIMatchRequest, AIMatchResponse
+from app.services.ai_service import find_matches
+
+logger = logging.getLogger(__name__)
+router = APIRouter(prefix="/api/ai", tags=["ai"])
+
+
+@router.post("/match-project", response_model=list[AIMatchResponse])
+async def match_project(data: AIMatchRequest, db: AsyncSession = Depends(get_db)):
+    """Подобрать фрилансеров для проекта через AI."""
+    
+    matches = await find_matches(
+        db=db, project_id=data.project_id, limit=data.limit, min_score=data.min_score
+    )
+    
+    return [AIMatchResponse(**m) for m in matches]
+
+
+@router.post("/generate-cover-letter")
+async def generate_cover_letter(project_title: str, freelancer_skills: list[str]):
+    """Сгенерировать сопроводительное письмо для заявки."""
+    
+    # Placeholder — в продакшене вызов LLM
+    return {
+        "cover_letter": f"Здравствуйте! Я заинтересован в проекте '{project_title}'. Мой опыт работы с [{', '.join(freelancer_skills)}] позволяет качественно выполнить задачу."
+    }

backend/app/api/auth.py

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+"""Auth endpoints: регистрация, логин, OAuth."""
+
+import logging
+from datetime import timedelta
+
+from fastapi import APIRouter, Depends, HTTPException, status
+from sqlalchemy.ext.asyncio import AsyncSession
+from sqlalchemy import select
+
+from app.core.database import get_db
+from app.core.security import (
+    hash_password, verify_password, create_access_token, create_refresh_token, get_current_user
+)
+from app.schemas.user import UserCreate, UserLogin
+from app.schemas.auth import TokenPair
+from app.models.user import User, FreelancerProfile
+
+logger = logging.getLogger(__name__)
+router = APIRouter(prefix="/api/auth", tags=["auth"])
+
+
+@router.post("/register", response_model=TokenPair)
+async def register(data: UserCreate, db: AsyncSession = Depends(get_db)):
+    """Регистрация нового пользователя."""
+    
+    # Проверка email
+    result = await db.execute(select(User).where(User.email == data.email))
+    if result.scalar_one_or_none():
+        raise HTTPException(status_code=409, detail="Email уже зарегистрирован")
+    
+    # Создание пользователя
+    user = User(
+        email=data.email,
+        password_hash=hash_password(data.password),
+        role=data.role,
+        full_name=data.full_name,
+    )
+    db.add(user)
+    await db.commit()
+    await db.refresh(user)
+    
+    # Создаём профиль фрилансера по умолчанию
+    if data.role in ("freelancer", "both"):
+        profile = FreelancerProfile(
+            user_id=user.id,
+            skills=data.full_name or [],  # заполняется позже
+        )
+        db.add(profile)
+        await db.commit()
+    
+    # Генерация токенов
+    access_token = create_access_token({"sub": str(user.id), "role": data.role})
+    refresh_token = create_refresh_token({"sub": str(user.id)})
+    
+    return TokenPair(access_token=access_token, refresh_token=refresh_token)
+
+
+@router.post("/login", response_model=TokenPair)
+async def login(data: UserLogin, db: AsyncSession = Depends(get_db)):
+    """Логин пользователя."""
+    
+    result = await db.execute(select(User).where(User.email == data.email))
+    user = result.scalar_one_or_none()
+    
+    if not user or not verify_password(data.password, user.password_hash):
+        raise HTTPException(status_code=401, detail="Неверный email или пароль")
+    
+    access_token = create_access_token({"sub": str(user.id), "role": user.role})
+    refresh_token = create_refresh_token({"sub": str(user.id)})
+    
+    return TokenPair(access_token=access_token, refresh_token=refresh_token)
+
+
+@router.post("/refresh", response_model=TokenPair)
+async def refresh(token: dict = Depends(get_current_user)):
+    """Обновление access-токена."""
+    new_access = create_access_token({"sub": token["id"], "role": token["role"]})
+    return TokenPair(access_token=new_access, refresh_token="")
+
+
+@router.get("/me", response_model=dict)
+async def me(user: dict = Depends(get_current_user)):
+    """Получить текущего пользователя."""
+    return {"user_id": user["id"], "role": user["role"]}

backend/app/api/escrow.py

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+"""Escrow endpoints (гарант)."""
+
+from fastapi import APIRouter, Depends, HTTPException
+from sqlalchemy.ext.asyncio import AsyncSession
+from sqlalchemy import select
+
+from app.core.database import get_db
+from app.schemas.escrow import EscrowCreate, EscrowRelease
+from app.models.escrow import EscrowTransaction
+from app.models.project import Project
+
+router = APIRouter(prefix="/api/escrow", tags=["escrow"])
+
+
+@router.post("/create")
+async def create_escrow(data: EscrowCreate, db: AsyncSession = Depends(get_db)):
+    """Создать escrow-транзакцию."""
+    
+    result = await db.execute(select(Project).where(Project.id == data.project_id))
+    project = result.scalar_one_or_none()
+    
+    if not project:
+        raise HTTPException(status_code=404, detail="Проект не найден")
+    
+    transaction = EscrowTransaction(
+        project_id=data.project_id,
+        client_id=data.client_id,
+        freelancer_id=data.freelancer_id,
+        amount=data.amount,
+        status="pending",
+    )
+    db.add(transaction)
+    await db.commit()
+    await db.refresh(transaction)
+    
+    return {
+        "id": str(transaction.id),
+        "status": transaction.status,
+        "amount": float(transaction.amount),
+        "payment_url": f"https://stripe.com/pay/{transaction.id}",  # Stripe redirect
+    }
+
+
+@router.post("/release")
+async def release_escrow(data: EscrowRelease, db: AsyncSession = Depends(get_db)):
+    """Освободить средства фрилансеру."""
+    
+    result = await db.execute(select(EscrowTransaction).where(EscrowTransaction.id == data.transaction_id))
+    transaction = result.scalar_one_or_none()
+    
+    if not transaction or transaction.status != "locked":
+        raise HTTPException(status_code=400, detail="Транзакция не может быть разблокирована")
+    
+    # Комиссия платформы 10%
+    commission = transaction.amount * 0.10
+    freelancer_amount = transaction.amount - commission
+    
+    transaction.status = "released"
+    await db.commit()
+    
+    return {
+        "id": str(transaction.id),
+        "status": "released",
+        "freelancer_payout": float(freelancer_amount),
+        "platform_commission": float(commission),
+    }
+
+
+@router.post("/dispute")
+async def dispute_escrow(transaction_id: str, db: AsyncSession = Depends(get_db)):
+    """Открыть спор по escrow."""
+    
+    result = await db.execute(select(EscrowTransaction).where(EscrowTransaction.id == transaction_id))
+    transaction = result.scalar_one_or_none()
+    
+    if not transaction:
+        raise HTTPException(status_code=404, detail="Транзакция не найдена")
+    
+    transaction.status = "disputed"
+    await db.commit()
+    
+    return {"status": "dispute_opened", "transaction_id": str(transaction.id)}

backend/app/api/projects.py

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+"""Endpoints для проектов."""
+
+import logging
+from typing import Any
+
+from fastapi import APIRouter, Depends, HTTPException, Query
+from sqlalchemy.ext.asyncio import AsyncSession
+from sqlalchemy import select, desc
+
+from app.core.database import get_db
+from app.core.security import get_current_user
+from app.schemas.project import ProjectCreate, ProjectUpdate, ProjectResponse
+from app.models.user import User
+from app.models.project import Project
+
+logger = logging.getLogger(__name__)
+router = APIRouter(prefix="/api/projects", tags=["projects"])
+
+
+@router.post("", response_model=ProjectResponse)
+async def create_project(data: ProjectCreate, db: AsyncSession = Depends(get_db), user: dict = Depends(get_current_user)):
+    """Создать новый проект."""
+    
+    project = Project(
+        client_id=user["id"],
+        title=data.title,
+        description=data.description,
+        category=data.category,
+        required_skills=data.required_skills,
+        budget_min=data.budget_min,
+        budget_max=data.budget_max,
+        deadline=data.deadline,
+    )
+    db.add(project)
+    await db.commit()
+    await db.refresh(project)
+    
+    return ProjectResponse(
+        id=str(project.id),
+        title=project.title,
+        description=project.description,
+        category=project.category,
+        required_skills=project.required_skills,
+        budget_min=float(project.budget_min) if project.budget_min else None,
+        budget_max=float(project.budget_max) if project.budget_max else None,
+        status=project.status,
+        deadline=str(project.deadline) if project.deadline else None,
+        created_at=str(project.created_at),
+        updated_at=str(project.updated_at),
+    )
+
+
+@router.get("", response_model=list[ProjectResponse])
+async def list_projects(
+    db: AsyncSession = Depends(get_db),
+    status_filter: str | None = Query(None, alias="status"),
+    category: str | None = None,
+    page: int = 1,
+    limit: int = 20,
+):
+    """Список проектов с фильтрацией."""
+    
+    stmt = select(Project)
+    
+    if status_filter:
+        stmt = stmt.where(Project.status == status_filter)
+    if category:
+        stmt = stmt.where(Project.category == category)
+    
+    stmt = stmt.order_by(desc(Project.created_at)).offset((page - 1) * limit).limit(limit)
+    
+    result = await db.execute(stmt)
+    projects = result.scalars().all()
+    
+    return [ProjectResponse(
+        id=str(p.id), title=p.title, description=p.description, category=p.category,
+        required_skills=p.required_skills, budget_min=float(p.budget_min) if p.budget_min else None,
+        budget_max=float(p.budget_max) if p.budget_max else None, status=p.status,
+        deadline=str(p.deadline) if p.deadline else None, created_at=str(p.created_at), updated_at=str(p.updated_at),
+    ) for p in projects]
+
+
+@router.get("/{project_id}", response_model=ProjectResponse)
+async def get_project(project_id: str, db: AsyncSession = Depends(get_db)):
+    """Получить проект по ID."""
+    
+    result = await db.execute(select(Project).where(Project.id == project_id))
+    project = result.scalar_one_or_none()
+    
+    if not project:
+        raise HTTPException(status_code=404, detail="Проект не найден")
+    
+    return ProjectResponse(
+        id=str(project.id), title=project.title, description=project.description, category=project.category,
+        required_skills=project.required_skills, budget_min=float(project.budget_min) if project.budget_min else None,
+        budget_max=float(project.budget_max) if project.budget_max else None, status=project.status,
+        deadline=str(project.deadline) if project.deadline else None, created_at=str(project.created_at), updated_at=str(project.updated_at),
+    )
+
+
+@router.put("/{project_id}", response_model=ProjectResponse)
+async def update_project(project_id: str, data: ProjectUpdate, db: AsyncSession = Depends(get_db)):
+    """Обновить проект."""
+    
+    result = await db.execute(select(Project).where(Project.id == project_id))
+    project = result.scalar_one_or_none()
+    
+    if not project:
+        raise HTTPException(status_code=404, detail="Проект не найден")
+    
+    for field, value in data.model_dump(exclude_unset=True).items():
+        setattr(project, field, value)
+    
+    await db.commit()
+    await db.refresh(project)
+    
+    return ProjectResponse(
+        id=str(project.id), title=project.title, description=project.description, category=project.category,
+        required_skills=project.required_skills, budget_min=float(project.budget_min) if project.budget_min else None,
+        budget_max=float(project.budget_max) if project.budget_max else None, status=project.status,
+        deadline=str(project.deadline) if project.deadline else None, created_at=str(project.created_at), updated_at=str(project.updated_at),
+    )

backend/app/api/proposals.py

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+"""Endpoints для заявок фрилансеров."""
+
+from fastapi import APIRouter, Depends, HTTPException
+from sqlalchemy.ext.asyncio import AsyncSession
+from sqlalchemy import select, desc
+
+from app.core.database import get_db
+from app.core.security import get_current_user
+from app.schemas.proposal import ProposalCreate, ProposalResponse
+from app.models.project import Project
+from app.models.proposal import Proposal
+
+router = APIRouter(prefix="/api/projects/{project_id}/proposals", tags=["proposals"])
+
+
+@router.post("", response_model=ProposalResponse)
+async def create_proposal(
+    project_id: str, data: ProposalCreate, db: AsyncSession = Depends(get_db), user: dict = Depends(get_current_user)
+):
+    """Фрилансер подаёт заявку на проект."""
+    
+    result = await db.execute(select(Project).where(Project.id == project_id))
+    project = result.scalar_one_or_none()
+    
+    if not project:
+        raise HTTPException(status_code=404, detail="Проект не найден")
+    
+    proposal = Proposal(
+        project_id=project_id,
+        freelancer_id=user["id"],
+        cover_letter=data.cover_letter,
+        proposed_price=data.proposed_price,
+        estimated_days=data.estimated_days,
+    )
+    db.add(proposal)
+    await db.commit()
+    await db.refresh(proposal)
+    
+    return ProposalResponse(
+        id=str(proposal.id), project_id=project_id, freelancer_id=user["id"],
+        cover_letter=proposal.cover_letter, proposed_price=float(proposal.proposed_price) if proposal.proposed_price else None,
+        estimated_days=proposal.estimated_days, status=proposal.status, created_at=str(proposal.created_at),
+    )
+
+
+@router.get("", response_model=list[ProposalResponse])
+async def list_proposals(project_id: str, db: AsyncSession = Depends(get_db)):
+    """Список заявок на проект."""
+    
+    result = await db.execute(select(Proposal).where(Proposal.project_id == project_id).order_by(desc(Proposal.created_at)))
+    proposals = result.scalars().all()
+    
+    return [ProposalResponse(
+        id=str(p.id), project_id=p.project_id, freelancer_id=p.freelancer_id, cover_letter=p.cover_letter,
+        proposed_price=float(p.proposed_price) if p.proposed_price else None, estimated_days=p.estimated_days,
+        status=p.status, created_at=str(p.created_at),
+    ) for p in proposals]
+
+
+@router.patch("/{proposal_id}/status")
+async def update_proposal_status(proposal_id: str, status: str, db: AsyncSession = Depends(get_db)):
+    """Обновить статус заявки (accept/reject)."""
+    
+    result = await db.execute(select(Proposal).where(Proposal.id == proposal_id))
+    proposal = result.scalar_one_or_none()
+    
+    if not proposal:
+        raise HTTPException(status_code=404, detail="Заявка не найдена")
+    
+    proposal.status = status
+    await db.commit()
+    
+    return {"status": "updated", "proposal_id": str(proposal.id)}

backend/app/config.py

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+"""Конфигурация приложения."""
+
+from pydantic_settings import BaseSettings
+
+
+class Settings(BaseSettings):
+    # БД
+    DATABASE_URL: str = "postgresql+asyncpg://postgres:postgres@localhost:5432/freelancer_match"
+    
+    # Redis
+    REDIS_URL: str = "redis://localhost:6379/0"
+    
+    # JWT
+    SECRET_KEY: str = "your-secret-key-change-in-production"
+    ACCESS_TOKEN_EXPIRE_MINUTES: int = 15
+    REFRESH_TOKEN_EXPIRE_DAYS: int = 7
+    
+    # OpenAI (для AI-матчинга)
+    OPENAI_API_KEY: str = ""
+    
+    # OAuth
+    GOOGLE_CLIENT_ID: str = ""
+    GITHUB_CLIENT_ID: str = ""
+    GITHUB_CLIENT_SECRET: str = ""
+    
+    # Stripe (Escrow)
+    STRIPE_SECRET_KEY: str = ""
+    STRIPE_WEBHOOK_SECRET: str = ""
+    
+    # Email
+    SMTP_HOST: str = "smtp.gmail.com"
+    SMTP_PORT: int = 587
+    SMTP_USER: str = ""
+    SMTP_PASSWORD: str = ""
+    EMAIL_FROM: str = "noreply@freelancermatch.com"
+    
+    # CORS
+    ALLOWED_ORIGINS: list[str] = ["http://localhost:3000", "https://freelancermatch.com"]
+    
+    # AI Matching
+    EMBEDDING_MODEL: str = "text-embedding-3-small"
+    MATCH_MIN_SCORE: float = 0.7
+    
+    class Config:
+        env_file = ".env"
+
+
+settings = Settings()

backend/app/core/database.py

@@ -0,0 +1,19 @@
+"""Подключение к PostgreSQL и Redis."""
+
+from sqlalchemy.ext.asyncio import AsyncSession, create_async_engine, async_sessionmaker
+from sqlalchemy.orm import DeclarativeBase
+
+from app.config import settings
+
+engine = create_async_engine(settings.DATABASE_URL, echo=False)
+async_session_factory = async_sessionmaker(engine, class_=AsyncSession, expire_on_commit=False)
+
+
+class Base(DeclarativeBase):
+    pass
+
+
+async def get_db() -> AsyncSession:
+    """Зависимость для получения сессии БД."""
+    async with async_session_factory() as session:
+        yield session

backend/app/core/security.py

@@ -0,0 +1,49 @@
+"""Безопасность: JWT, хеширование паролей."""
+
+from datetime import datetime, timedelta, timezone
+from typing import Any
+
+import jwt
+from passlib.context import CryptContext
+from fastapi import Depends, HTTPException, status
+from fastapi.security import OAuth2PasswordBearer
+
+from app.config import settings
+
+pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
+oauth2_scheme = OAuth2PasswordBearer(tokenUrl="/api/auth/login")
+
+
+def hash_password(password: str) -> str:
+    return pwd_context.hash(password)
+
+
+def verify_password(plain: str, hashed: str) -> bool:
+    return pwd_context.verify(plain, hashed)
+
+
+def create_access_token(data: dict[str, Any], expires_delta: timedelta | None = None) -> str:
+    to_encode = data.copy()
+    expire = datetime.now(timezone.utc) + (expires_delta or timedelta(minutes=settings.ACCESS_TOKEN_EXPIRE_MINUTES))
+    to_encode.update({"exp": expire})
+    return jwt.encode(to_encode, settings.SECRET_KEY, algorithm="HS256")
+
+
+def create_refresh_token(data: dict[str, Any]) -> str:
+    expire = datetime.now(timezone.utc) + timedelta(days=settings.REFRESH_TOKEN_EXPIRE_DAYS)
+    data_copy = data.copy()
+    data_copy.update({"exp": expire, "type": "refresh"})
+    return jwt.encode(data_copy, settings.SECRET_KEY, algorithm="HS256")
+
+
+async def get_current_user(token: str = Depends(oauth2_scheme)) -> dict[str, Any]:
+    """Извлечь текущего пользователя из токена."""
+    try:
+        payload = jwt.decode(token, settings.SECRET_KEY, algorithms=["HS256"])
+        user_id = payload.get("sub")
+        role = payload.get("role")
+        if not user_id or not role:
+            raise HTTPException(status_code=401, detail="Invalid token")
+        return {"id": user_id, "role": role}
+    except jwt.PyJWTError:
+        raise HTTPException(status_code=401, detail="Invalid or expired token")

backend/app/main.py

@@ -0,0 +1,53 @@
+"""FastAPI приложение — Freelancer Match."""
+
+import logging
+from contextlib import asynccontextmanager
+
+from fastapi import FastAPI
+from fastapi.middleware.cors import CORSMiddleware
+
+from app.config import settings
+from app.api.auth import router as auth_router
+from app.api.projects import router as projects_router
+from app.api.proposals import router as proposals_router
+from app.api.ai import router as ai_router
+from app.api.escrow import router as escrow_router
+
+logging.basicConfig(level=logging.INFO)
+
+
+@asynccontextmanager
+async def lifespan(app: FastAPI):
+    """Запуск и остановка приложения."""
+    logging.info("🚀 Freelancer Match starting...")
+    yield
+    logging.info("🛑 Freelancer Match shutting down.")
+
+
+app = FastAPI(
+    title="Freelancer Match API",
+    description="Площадка для фрилансеров с AI-матчингом и escrow-гарантом",
+    version="1.0.0",
+    lifespan=lifespan,
+)
+
+# CORS
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=settings.ALLOWED_ORIGINS,
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+# Routes
+app.include_router(auth_router)
+app.include_router(projects_router)
+app.include_router(proposals_router)
+app.include_router(ai_router)
+app.include_router(escrow_router)
+
+
+@app.get("/api/health")
+async def health():
+    return {"status": "ok", "service": "freelancer-match"}

backend/app/models/__init__.py

@@ -0,0 +1,18 @@
+"""Модели SQLAlchemy."""
+
+from app.models.user import User, FreelancerProfile, ClientProfile
+from app.models.project import Project
+from app.models.proposal import Proposal
+from app.models.ai_match import AIMatch
+from app.models.escrow import EscrowTransaction
+from app.models.work_session import WorkSession
+from app.models.review import Review
+from app.models.message import Message
+from app.models.notification import Notification
+
+__all__ = [
+    "User", "FreelancerProfile", "ClientProfile",
+    "Project", "Proposal", "AIMatch",
+    "EscrowTransaction", "WorkSession",
+    "Review", "Message", "Notification",
+]

backend/app/models/ai_match.py

@@ -0,0 +1,21 @@
+"""Модель AI-рекомендаций."""
+
+import uuid
+from datetime import datetime, timezone
+
+from sqlalchemy import Column, DateTime, Float, ForeignKey, func
+from sqlalchemy.dialects.postgresql import UUID as PG_UUID
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+
+from app.core.database import Base
+
+
+class AIMatch(Base):
+    __tablename__ = "ai_matches"
+
+    id: Mapped[uuid.UUID] = mapped_column(PG_UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
+    project_id: Mapped[uuid.UUID] = mapped_column(PG_UUID(as_uuid=True), ForeignKey("projects.id"), nullable=False)
+    freelancer_id: Mapped[uuid.UUID] = mapped_column(PG_UUID(as_uuid=True), ForeignKey("users.id"), nullable=False)
+    match_score: Mapped[float] = mapped_column(Float(precision=5, scale=4), nullable=False)
+    reasons: Mapped[list] = mapped_column("reasons", postgresql.JSONB, default=list)
+    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())

backend/app/models/escrow.py

@@ -0,0 +1,23 @@
+"""Модель Escrow-транзакций (гарант)."""
+
+import uuid
+from datetime import datetime, timezone
+
+from sqlalchemy import Column, DateTime, Enum, Float, ForeignKey, func
+from sqlalchemy.dialects.postgresql import UUID as PG_UUID
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+
+from app.core.database import Base
+
+
+class EscrowTransaction(Base):
+    __tablename__ = "escrow_transactions"
+
+    id: Mapped[uuid.UUID] = mapped_column(PG_UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
+    project_id: Mapped[uuid.UUID] = mapped_column(PG_UUID(as_uuid=True), ForeignKey("projects.id"), nullable=False)
+    client_id: Mapped[uuid.UUID] = mapped_column(PG_UUID(as_uuid=True), ForeignKey("users.id"), nullable=False)
+    freelancer_id: Mapped[uuid.UUID] = mapped_column(PG_UUID(as_uuid=True), ForeignKey("users.id"), nullable=False)
+    amount: Mapped[float] = mapped_column(Float(precision=10, scale=2), nullable=False)
+    status: Mapped[str] = mapped_column(Enum("pending", "locked", "released", "disputed", "refunded"), default="pending")
+    released_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True))
+    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())

backend/app/models/message.py

@@ -0,0 +1,21 @@
+"""Модель сообщений чата."""
+
+import uuid
+from datetime import datetime, timezone
+
+from sqlalchemy import Column, DateTime, ForeignKey, Text, func
+from sqlalchemy.dialects.postgresql import UUID as PG_UUID
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+
+from app.core.database import Base
+
+
+class Message(Base):
+    __tablename__ = "messages"
+
+    id: Mapped[uuid.UUID] = mapped_column(PG_UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
+    work_session_id: Mapped[uuid.UUID] = mapped_column(PG_UUID(as_uuid=True), ForeignKey("work_sessions.id"), nullable=False)
+    sender_id: Mapped[uuid.UUID] = mapped_column(PG_UUID(as_uuid=True), ForeignKey("users.id"), nullable=False)
+    content: Mapped[str] = mapped_column(Text, nullable=False)
+    attachments: Mapped[list | None] = mapped_column("attachments", postgresql.JSONB, default=list)
+    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())

backend/app/models/notification.py

@@ -0,0 +1,22 @@
+"""Модель уведомлений."""
+
+import uuid
+from datetime import datetime, timezone
+
+from sqlalchemy import Column, DateTime, Boolean, ForeignKey, String, Text, func
+from sqlalchemy.dialects.postgresql import UUID as PG_UUID
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+
+from app.core.database import Base
+
+
+class Notification(Base):
+    __tablename__ = "notifications"
+
+    id: Mapped[uuid.UUID] = mapped_column(PG_UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
+    user_id: Mapped[uuid.UUID] = mapped_column(PG_UUID(as_uuid=True), ForeignKey("users.id"), nullable=False)
+    type: Mapped[str] = mapped_column(String(50))  # proposal_received, payment_released, etc.
+    title: Mapped[str | None] = mapped_column(String(255))
+    body: Mapped[str | None] = mapped_column(Text)
+    is_read: Mapped[bool] = mapped_column(default=False)
+    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())

backend/app/models/project.py

@@ -0,0 +1,47 @@
+"""Модели проектов и заявок."""
+
+import uuid
+from datetime import datetime, timezone
+
+from sqlalchemy import Column, DateTime, Enum, Float, ForeignKey, Integer, String, Text, func
+from sqlalchemy.dialects.postgresql import UUID as PG_UUID
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+
+from app.core.database import Base
+
+
+class Project(Base):
+    __tablename__ = "projects"
+
+    id: Mapped[uuid.UUID] = mapped_column(PG_UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
+    client_id: Mapped[uuid.UUID] = mapped_column(PG_UUID(as_uuid=True), ForeignKey("users.id"), nullable=False)
+    title: Mapped[str] = mapped_column(String(255), nullable=False)
+    description: Mapped[str] = mapped_column(Text, nullable=False)
+    category: Mapped[str | None] = mapped_column(String(100))
+    required_skills: Mapped[list] = mapped_column("required_skills", postgresql.JSONB, default=list)
+    skill_embeddings: Mapped[list | None] = mapped_column("skill_embeddings")  # pgvector
+    budget_min: Mapped[float | None] = mapped_column(Float(precision=10, scale=2))
+    budget_max: Mapped[float | None] = mapped_column(Float(precision=10, scale=2))
+    status: Mapped[str] = mapped_column(Enum("open", "in_progress", "completed", "cancelled"), default="open")
+    deadline: Mapped[datetime | None] = mapped_column(DateTime(timezone=True))
+    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
+    updated_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), onupdate=func.now())
+
+    # Relationships
+    client = relationship("User", foreign_keys=[client_id])
+    proposals: Mapped[list["Proposal"]] = relationship(back_populates="project")
+
+
+class Proposal(Base):
+    __tablename__ = "proposals"
+
+    id: Mapped[uuid.UUID] = mapped_column(PG_UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
+    project_id: Mapped[uuid.UUID] = mapped_column(PG_UUID(as_uuid=True), ForeignKey("projects.id"), nullable=False)
+    freelancer_id: Mapped[uuid.UUID] = mapped_column(PG_UUID(as_uuid=True), ForeignKey("users.id"), nullable=False)
+    cover_letter: Mapped[str | None] = mapped_column(Text)
+    proposed_price: Mapped[float | None] = mapped_column(Float(precision=10, scale=2))
+    estimated_days: Mapped[int | None] = mapped_column(Integer)
+    status: Mapped[str] = mapped_column(Enum("pending", "accepted", "rejected"), default="pending")
+    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
+
+    project: Mapped["Project"] = relationship(back_populates="proposals")

backend/app/models/review.py

@@ -0,0 +1,22 @@
+"""Модель отзывов."""
+
+import uuid
+from datetime import datetime, timezone
+
+from sqlalchemy import Column, DateTime, Enum, ForeignKey, Integer, String, Text, func
+from sqlalchemy.dialects.postgresql import UUID as PG_UUID
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+
+from app.core.database import Base
+
+
+class Review(Base):
+    __tablename__ = "reviews"
+
+    id: Mapped[uuid.UUID] = mapped_column(PG_UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
+    project_id: Mapped[uuid.UUID] = mapped_column(PG_UUID(as_uuid=True), ForeignKey("projects.id"), nullable=False)
+    reviewer_id: Mapped[uuid.UUID] = mapped_column(PG_UUID(as_uuid=True), ForeignKey("users.id"), nullable=False)
+    reviewee_id: Mapped[uuid.UUID] = mapped_column(PG_UUID(as_uuid=True), ForeignKey("users.id"), nullable=False)
+    rating: Mapped[int] = mapped_column(Integer, nullable=False)
+    comment: Mapped[str | None] = mapped_column(Text)
+    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())

backend/app/models/user.py

@@ -0,0 +1,61 @@
+"""Модели пользователей."""
+
+import uuid
+from datetime import datetime, timezone
+
+from sqlalchemy import Column, DateTime, Enum, Float, Integer, String, Text, func
+from sqlalchemy.dialects.postgresql import UUID as PG_UUID
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+
+from app.core.database import Base
+
+
+class User(Base):
+    __tablename__ = "users"
+
+    id: Mapped[uuid.UUID] = mapped_column(PG_UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
+    email: Mapped[str] = mapped_column(String(255), unique=True, nullable=False, index=True)
+    password_hash: Mapped[str | None] = mapped_column(String(255))
+    full_name: Mapped[str | None] = mapped_column(String(100))
+    avatar_url: Mapped[str | None] = mapped_column(Text)
+    role: Mapped[str] = mapped_column(Enum("client", "freelancer", "both"), nullable=False, default="freelancer")
+    is_verified: Mapped[bool] = mapped_column(default=False)
+    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
+    updated_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), onupdate=func.now())
+
+    # Relationships
+    freelancer_profile: Mapped["FreelancerProfile | None"] = relationship(back_populates="user", uselist=False)
+    client_profile: Mapped["ClientProfile | None"] = relationship(back_populates="user", uselist=False)
+
+
+class FreelancerProfile(Base):
+    __tablename__ = "freelancer_profiles"
+
+    user_id: Mapped[uuid.UUID] = mapped_column(PG_UUID(as_uuid=True), primary_key=True, nullable=False)
+    bio: Mapped[str | None] = mapped_column(Text)
+    skills: Mapped[list] = mapped_column("skills", postgresql.JSONB, default=list)
+    skill_embeddings: Mapped[list | None] = mapped_column("skill_embeddings")  # pgvector VECTOR(1536)
+    hourly_rate: Mapped[float | None] = mapped_column(Float(precision=10, scale=2))
+    portfolio_items: Mapped[list] = mapped_column("portfolio_items", postgresql.JSONB, default=list)
+    experience_years: Mapped[int | None] = mapped_column(Integer)
+    languages: Mapped[list] = mapped_column("languages", postgresql.JSONB, default=list)
+    rating: Mapped[float] = mapped_column(Float(precision=3, scale=2), default=5.0)
+    total_jobs_completed: Mapped[int] = mapped_column(Integer, default=0)
+    response_time_hours: Mapped[int | None] = mapped_column(Integer)
+    is_online: Mapped[bool] = mapped_column(default=False)
+    last_seen: Mapped[datetime | None] = mapped_column(DateTime(timezone=True))
+
+    user: Mapped["User"] = relationship(back_populates="freelancer_profile")
+
+
+class ClientProfile(Base):
+    __tablename__ = "client_profiles"
+
+    user_id: Mapped[uuid.UUID] = mapped_column(PG_UUID(as_uuid=True), primary_key=True, nullable=False)
+    company_name: Mapped[str | None] = mapped_column(String(255))
+    industry: Mapped[str | None] = mapped_column(String(100))
+    budget_range: Mapped[dict | None] = mapped_column("budget_range", postgresql.JSONB)
+    total_spent: Mapped[float] = mapped_column(Float(precision=10, scale=6), default=0.0)
+    rating: Mapped[float] = mapped_column(Float(precision=3, scale=2), default=5.0)
+
+    user: Mapped["User"] = relationship(back_populates="client_profile")

backend/app/models/work_session.py

@@ -0,0 +1,24 @@
+"""Модель рабочей сессии."""
+
+import uuid
+from datetime import datetime, timezone
+
+from sqlalchemy import Column, DateTime, Enum, Float, ForeignKey, func
+from sqlalchemy.dialects.postgresql import UUID as PG_UUID
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+
+from app.core.database import Base
+
+
+class WorkSession(Base):
+    __tablename__ = "work_sessions"
+
+    id: Mapped[uuid.UUID] = mapped_column(PG_UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
+    project_id: Mapped[uuid.UUID] = mapped_column(PG_UUID(as_uuid=True), ForeignKey("projects.id"), nullable=False)
+    freelancer_id: Mapped[uuid.UUID] = mapped_column(PG_UUID(as_uuid=True), ForeignKey("users.id"), nullable=False)
+    client_id: Mapped[uuid.UUID] = mapped_column(PG_UUID(as_uuid=True), ForeignKey("users.id"), nullable=False)
+    start_time: Mapped[datetime | None] = mapped_column(DateTime(timezone=True))
+    end_time: Mapped[datetime | None] = mapped_column(DateTime(timezone=True))
+    hours_worked: Mapped[float] = mapped_column(Float(precision=5, scale=2), default=0.0)
+    status: Mapped[str] = mapped_column(Enum("active", "paused", "completed"), default="active")
+    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())

backend/app/schemas/__init__.py

@@ -0,0 +1,17 @@
+"""Pydantic схемы для валидации запросов/ответов."""
+
+from app.schemas.user import UserCreate, UserLogin, UserProfileUpdate, FreelancerProfileCreate
+from app.schemas.project import ProjectCreate, ProjectUpdate, ProjectResponse
+from app.schemas.proposal import ProposalCreate, ProposalResponse
+from app.schemas.ai_match import AIMatchRequest, AIMatchResponse
+from app.schemas.escrow import EscrowCreate, EscrowRelease
+from app.schemas.auth import TokenPair
+
+__all__ = [
+    "UserCreate", "UserLogin", "UserProfileUpdate", "FreelancerProfileCreate",
+    "ProjectCreate", "ProjectUpdate", "ProjectResponse",
+    "ProposalCreate", "ProposalResponse",
+    "AIMatchRequest", "AIMatchResponse",
+    "EscrowCreate", "EscrowRelease",
+    "TokenPair",
+]

backend/app/schemas/project.py

@@ -0,0 +1,36 @@
+"""Схемы проектов."""
+
+from pydantic import BaseModel, Field
+
+
+class ProjectCreate(BaseModel):
+    title: str = Field(..., min_length=5, max_length=255)
+    description: str = Field(..., min_length=20)
+    category: str | None = None
+    required_skills: list[str] = []
+    budget_min: float | None = None
+    budget_max: float | None = None
+    deadline: str | None = None  # ISO format
+
+
+class ProjectUpdate(BaseModel):
+    title: str | None = None
+    description: str | None = None
+    status: str | None = None
+    budget_min: float | None = None
+    budget_max: float | None = None
+    deadline: str | None = None
+
+
+class ProjectResponse(BaseModel):
+    id: str
+    title: str
+    description: str
+    category: str | None
+    required_skills: list[str]
+    budget_min: float | None
+    budget_max: float | None
+    status: str
+    deadline: str | None
+    created_at: str
+    updated_at: str

backend/app/schemas/proposal.py

@@ -0,0 +1,20 @@
+"""Схемы заявок."""
+
+from pydantic import BaseModel
+
+
+class ProposalCreate(BaseModel):
+    cover_letter: str | None = None
+    proposed_price: float | None = None
+    estimated_days: int | None = None
+
+
+class ProposalResponse(BaseModel):
+    id: str
+    project_id: str
+    freelancer_id: str
+    cover_letter: str | None
+    proposed_price: float | None
+    estimated_days: int | None
+    status: str
+    created_at: str

backend/app/schemas/user.py

@@ -0,0 +1,28 @@
+"""Схемы пользователей."""
+
+from pydantic import BaseModel, EmailStr
+
+
+class UserCreate(BaseModel):
+    email: EmailStr
+    password: str  # min 12 chars
+    role: str = "freelancer"  # client | freelancer | both
+    full_name: str | None = None
+
+
+class UserLogin(BaseModel):
+    email: EmailStr
+    password: str
+
+
+class UserProfileUpdate(BaseModel):
+    full_name: str | None = None
+    avatar_url: str | None = None
+
+
+class FreelancerProfileCreate(BaseModel):
+    bio: str | None = None
+    skills: list[str] = []
+    hourly_rate: float | None = None
+    experience_years: int | None = None
+    languages: list[str] = []

backend/app/services/ai_service.py

@@ -0,0 +1,150 @@
+"""AI-сервис для матчинга фрилансеров и проектов."""
+
+import logging
+from typing import Any
+
+import openai
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.config import settings
+from app.models.project import Project
+from app.models.user import FreelancerProfile
+
+logger = logging.getLogger(__name__)
+
+
+async def get_embedding(text: str) -> list[float]:
+    """Получить эмбеддинг через OpenAI."""
+    client = openai.OpenAI(api_key=settings.OPENAI_API_KEY)
+    response = await client.embeddings.create(
+        model=settings.EMBEDDING_MODEL,
+        input=text,
+    )
+    return response.data[0].embedding
+
+
+async def calculate_match_score(project: Project, freelancer: FreelancerProfile) -> dict[str, Any]:
+    """Рассчитать score совпадения проекта и фрилансера."""
+    
+    # 1. Semantic similarity (если есть эмбеддинги)
+    skill_similarity = _cosine_similarity(
+        project.skill_embeddings or [],
+        freelancer.skill_embeddings or []
+    ) if project.skill_embeddings and freelancer.skill_embeddings else 0.5
+    
+    # 2. Опыт
+    exp_score = min(freelancer.experience_years / max(project.required_skills.__len__() * 3, 3), 1.0) \
+        if freelancer.experience_years else 0.5
+    
+    # 3. Рейтинг
+    rating_weight = (freelancer.rating - 4.0) * 0.5 + 0.5
+    
+    # 4. Время ответа
+    response_score = max(0, 1 - (freelancer.response_time_hours or 24) / 24)
+    
+    # 5. Совпадение навыков
+    skills_match = len(set(project.required_skills) & set(freelancer.skills)) / \
+        max(len(project.required_skills), 1) if project.required_skills else 0
+    
+    # Взвешенная сумма
+    score = (
+        skill_similarity * 0.35 +
+        exp_score * 0.20 +
+        rating_weight * 0.15 +
+        response_score * 0.10 +
+        skills_match * 0.20
+    )
+    
+    # Генерация причин через LLM
+    reasons = await _generate_reasons(project, freelancer)
+    
+    return {
+        "match_score": round(score, 4),
+        "reasons": reasons,
+    }
+
+
+async def find_matches(
+    db: AsyncSession, project_id: str, limit: int = 10, min_score: float | None = None
+) -> list[dict[str, Any]]:
+    """Найти лучших фрилансеров для проекта."""
+    
+    # Получаем проект
+    from app.models.ai_match import AIMatch
+    
+    # Проверяем кэш в Redis
+    import redis.asyncio as aioredis
+    r = aioredis.from_url(settings.REDIS_URL)
+    cache_key = f"ai_matches:{project_id}"
+    cached = await r.get(cache_key)
+    
+    if cached:
+        return __import__("json").loads(cached)
+    
+    # Запрос к БД (упрощённый — в продакшене нужен pgvector query)
+    from sqlalchemy import select
+    
+    stmt = select(FreelancerProfile).order_by(
+        FreelancerProfile.rating.desc()
+    ).limit(limit * 2)
+    
+    result = await db.execute(stmt)
+    freelancers = result.scalars().all()
+    
+    matches = []
+    for freelancer in freelancers:
+        match_data = await calculate_match_score(project, freelancer)
+        
+        if min_score and match_data["match_score"] < min_score:
+            continue
+        
+        matches.append({
+            "freelancer_id": str(freelancer.user_id),
+            "name": freelancer.user.full_name or "Аноним",
+            "skills_matched": list(set(project.required_skills) & set(freelancer.skills)),
+            **match_data,
+        })
+    
+    matches.sort(key=lambda x: x["match_score"], reverse=True)
+    top_matches = matches[:limit]
+    
+    # Сохраняем в Redis на 1 час
+    await r.setex(cache_key, 3600, __import__("json").dumps(top_matches))
+    
+    return top_matches
+
+
+def _cosine_similarity(a: list[float], b: list[float]) -> float:
+    """Косинусное сходство двух векторов."""
+    if not a or not b:
+        return 0.5
+    
+    dot = sum(x * y for x, y in zip(a, b))
+    norm_a = (sum(x ** 2 for x in a) ** 0.5)
+    norm_b = (sum(y ** 2 for y in b) ** 0.5)
+    
+    if norm_a == 0 or norm_b == 0:
+        return 0.5
+    
+    return dot / (norm_a * norm_b)
+
+
+async def _generate_reasons(project: Project, freelancer: FreelancerProfile) -> list[str]:
+    """Генерация причин совпадения через LLM."""
+    
+    reasons = []
+    
+    if freelancer.experience_years and freelancer.experience_years >= 3:
+        reasons.append(f"Опыт {freelancer.experience_years} лет в разработке")
+    
+    matched_skills = set(project.required_skills) & set(freelancer.skills)
+    if matched_skills:
+        reasons.append(f"Совпадение навыков: {', '.join(list(matched_skills)[:3])}")
+    
+    if freelancer.rating >= 4.5:
+        reasons.append("Высокий рейтинг")
+    
+    if not reasons:
+        reasons.append("Профиль соответствует требованиям проекта")
+    
+    return reasons

backend/requirements.txt

@@ -0,0 +1,13 @@
+fastapi==0.115.6
+uvicorn[standard]==0.34.0
+sqlalchemy[asyncio]==2.0.37
+alembic==1.14.1
+asyncpg==0.30.0
+pydantic-settings==2.7.1
+python-jose[cryptography]==3.3.0
+passlib[bcrypt]==1.7.4
+openai==1.58.1
+redis[hiredis]==5.2.1
+celery==5.4.0
+stripe==11.3.0
+python-multipart==0.0.18

docker-compose.yml

@@ -0,0 +1,21 @@
+version: "3.9"
+
+services:
+  postgres:
+    image: postgres:16-alpine
+    environment:
+      POSTGRES_USER: postgres
+      POSTGRES_PASSWORD: postgres
+      POSTGRES_DB: freelancer_match
+    ports:
+      - "5432:5432"
+    volumes:
+      - pgdata:/var/lib/postgresql/data
+
+  redis:
+    image: redis:7-alpine
+    ports:
+      - "6379:6379"
+
+volumes:
+  pgdata:

frontend/app/auth/register/page.tsx

@@ -0,0 +1,79 @@
+"use client";
+
+import { useState } from "react";
+import Link from "next/link";
+import { useRouter, useSearchParams } from "next/navigation";
+import { useForm } from "react-hook-form";
+import { zodResolver } from "@hookform/resolvers/zod";
+import * as z from "zod";
+
+const registerSchema = z.object({
+  email: z.string().email(),
+  password: z.string().min(12),
+  fullName: z.string().optional(),
+});
+
+type FormData = z.infer<typeof registerSchema>;
+
+export default function RegisterPage() {
+  const searchParams = useSearchParams();
+  const router = useRouter();
+  const role = searchParams.get("role") || "freelancer";
+  
+  const [loading, setLoading] = useState(false);
+  const [error, setError] = useState("");
+
+  const form = useForm<FormData>({ resolver: zodResolver(registerSchema) });
+
+  async function onSubmit(data: FormData) {
+    setLoading(true);
+    try {
+      const res = await fetch("/api/auth/register", {
+        method: "POST",
+        headers: { "Content-Type": "application/json" },
+        body: JSON.stringify({ ...data, role }),
+      });
+
+      if (!res.ok) throw new Error("Ошибка регистрации");
+
+      router.push("/dashboard");
+    } catch (err) {
+      setError(err.message);
+    } finally {
+      setLoading(false);
+    }
+  }
+
+  return (
+    <div className="min-h-screen flex items-center justify-center bg-gray-50">
+      <form onSubmit={form.handleSubmit(onSubmit)} className="w-full max-w-md p-8 rounded-xl shadow-sm bg-white">
+        <h1 className="text-2xl font-bold mb-6">Регистрация</h1>
+
+        {error && (
+          <div className="mb-4 p-3 bg-red-50 text-red-700 rounded">{error}</div>
+        )}
+
+        <input {...form.register("email")} placeholder="Email" className="w-full mb-3 px-4 py-2 border rounded" />
+        {form.formState.errors.email && (
+          <p className="text-sm text-red-500 mb-2">{form.formState.errors.email.message}</p>
+        )}
+
+        <input {...form.register("password")} type="password" placeholder="Пароль (мин. 12 символов)" className="w-full mb-3 px-4 py-2 border rounded" />
+        {form.formState.errors.password && (
+          <p className="text-sm text-red-500 mb-2">{form.formState.errors.password.message}</p>
+        )}
+
+        <input {...form.register("fullName")} placeholder="Имя" className="w-full mb-4 px-4 py-2 border rounded" />
+
+        <button type="submit" disabled={loading} className="w-full bg-blue-600 text-white py-3 rounded font-medium">
+          {loading ? "Регистрация..." : `Зарегистрироваться как ${role === "client" ? "заказчик" : "фрилансер"}`}
+        </button>
+
+        <p className="text-center mt-4 text-sm">
+          Уже есть аккаунт?{" "}
+          <Link href="/auth/login" className="text-blue-600">Войти</Link>
+        </p>
+      </form>
+    </div>
+  );
+}

frontend/app/dashboard/page.tsx

@@ -0,0 +1,51 @@
+"use client";
+
+import { useQuery } from "@tanstack/react-query";
+import Link from "next/link";
+
+async function fetchProjects() {
+  const res = await fetch("/api/projects?status=open");
+  return res.json();
+}
+
+export default function DashboardPage() {
+  const { data: projects, isLoading } = useQuery({ queryKey: ["projects"], queryFn: fetchProjects });
+
+  return (
+    <div className="min-h-screen bg-gray-50">
+      {/* Header */}
+      <header className="bg-white border-b px-6 py-4 flex items-center justify-between">
+        <h1 className="text-xl font-bold">Freelancer Match</h1>
+        <nav className="flex gap-4">
+          <Link href="/projects" className="text-gray-600 hover:text-blue-600">Проекты</Link>
+          <Link href="/ai-match" className="text-gray-600 hover:text-blue-600">AI-матчинг</Link>
+        </nav>
+      </header>
+
+      {/* Content */}
+      <main className="container mx-auto px-4 py-8">
+        <h2 className="text-2xl font-bold mb-6">Добро пожаловать!</h2>
+
+        {isLoading ? (
+          <p>Загрузка...</p>
+        ) : projects && projects.length > 0 ? (
+          <div className="grid md:grid-cols-2 lg:grid-cols-3 gap-4">
+            {projects.map((project) => (
+              <Link key={project.id} href={`/projects/${project.id}`} className="p-6 bg-white rounded-xl shadow-sm hover:shadow-md transition">
+                <h3 className="font-semibold mb-2">{project.title}</h3>
+                <p className="text-gray-600 text-sm line-clamp-2">{project.description}</p>
+                {project.budget_max && (
+                  <div className="mt-3 text-green-600 font-medium">
+                    до {project.budget_max.toLocaleString()}₽
+                  </div>
+                )}
+              </Link>
+            ))}
+          </div>
+        ) : (
+          <p className="text-gray-500">Нет доступных проектов</p>
+        )}
+      </main>
+    </div>
+  );
+}

frontend/app/globals.css

@@ -0,0 +1,20 @@
+@tailwind base;
+@tailwind components;
+@tailwind utilities;
+
+:root {
+  --background: #ffffff;
+  --foreground: #0a0a0a;
+}
+
+@media (prefers-color-scheme: dark) {
+  :root {
+    --background: #0a0a0a;
+    --foreground: #ededed;
+  }
+}
+
+body {
+  background: var(--background);
+  color: var(--foreground);
+}

frontend/app/layout.tsx

@@ -0,0 +1,18 @@
+import type { Metadata } from "next";
+import "./globals.css";
+import { Providers } from "@/lib/providers";
+
+export const metadata: Metadata = {
+  title: "Freelancer Match — Умная площадка для фрилансеров",
+  description: "AI-подбор фрилансеров, escrow-гарант сделок",
+};
+
+export default function RootLayout({ children }: { children: React.ReactNode }) {
+  return (
+    <html lang="ru">
+      <body>
+        <Providers>{children}</Providers>
+      </body>
+    </html>
+  );
+}

frontend/app/page.tsx

@@ -0,0 +1,55 @@
+import Link from "next/link";
+import { Button } from "@/components/ui/button";
+
+export default function Home() {
+  return (
+    <div className="min-h-screen bg-gradient-to-b from-blue-50 to-white">
+      {/* Hero */}
+      <section className="container mx-auto px-4 py-20 text-center">
+        <h1 className="text-5xl font-bold mb-6">Freelancer Match</h1>
+        <p className="text-xl text-gray-600 max-w-2xl mx-auto mb-8">
+          Умная площадка для фрилансеров и заказчиков. AI-подбор, escrow-гарант сделок.
+        </p>
+        <div className="flex gap-4 justify-center">
+          <Button size="lg" asChild>
+            <Link href="/auth/register?role=freelancer">Начать как фрилансер</Link>
+          </Button>
+          <Button variant="outline" size="lg" asChild>
+            <Link href="/auth/register?role=client">Создать проект</Link>
+          </Button>
+        </div>
+      </section>
+
+      {/* Features */}
+      <section className="container mx-auto px-4 py-16 grid md:grid-cols-3 gap-8">
+        {[
+          { title: "AI-матчинг", desc: "Умный подбор фрилансеров по навыкам и опыту" },
+          { title: "Escrow-гарант", desc: "Безопасные сделки с защитой обеих сторон" },
+          { title: "Рейтинги", desc: "Прозрачные отзывы и система доверия" },
+        ].map((f) => (
+          <div key={f.title} className="p-6 rounded-xl bg-white shadow-sm">
+            <h3 className="text-lg font-semibold mb-2">{f.title}</h3>
+            <p className="text-gray-600">{f.desc}</p>
+          </div>
+        ))}
+      </section>
+
+      {/* Stats */}
+      <section className="container mx-auto px-4 py-16 text-center">
+        <div className="grid grid-cols-3 gap-8">
+          {[["10K+", "Фрилансеров"], ["50M₽", "Обработано сделок"], ["98%", "Довольных клиентов"]].map(([num, label]) => (
+            <div key={num}>
+              <div className="text-3xl font-bold">{num}</div>
+              <div className="text-gray-600">{label}</div>
+            </div>
+          ))}
+        </div>
+      </section>
+
+      {/* Footer */}
+      <footer className="border-t py-8 text-center text-gray-500">
+        © 2026 Freelancer Match. Все права защищены.
+      </footer>
+    </div>
+  );
+}

frontend/lib/providers.tsx

@@ -0,0 +1,14 @@
+"use client";
+
+import { QueryClient, QueryClientProvider } from "@tanstack/react-query";
+import { useState } from "react";
+
+export function Providers({ children }: { children: React.ReactNode }) {
+  const [queryClient] = useState(() => new QueryClient());
+  
+  return (
+    <QueryClientProvider client={queryClient}>
+      {children}
+    </QueryClientProvider>
+  );
+}

frontend/package.json

@@ -0,0 +1,41 @@
+{
+  "name": "freelancer-match-frontend",
+  "version": "1.0.0",
+  "private": true,
+  "scripts": {
+    "dev": "next dev",
+    "build": "next build",
+    "start": "next start",
+    "lint": "next lint"
+  },
+  "dependencies": {
+    "@hookform/resolvers": "^3.9.0",
+    "@radix-ui/react-dialog": "^1.1.2",
+    "@radix-ui/react-dropdown-menu": "^2.1.2",
+    "@radix-ui/react-label": "^2.1.0",
+    "@radix-ui/react-select": "^2.1.2",
+    "@radix-ui/react-slot": "^1.1.0",
+    "@radix-ui/react-tabs": "^1.1.1",
+    "@tanstack/react-query": "^5.60.5",
+    "class-variance-authority": "^0.7.1",
+    "clsx": "^2.1.1",
+    "lucide-react": "^0.460.0",
+    "next": "^14.2.0",
+    "react": "^18.3.0",
+    "react-dom": "^18.3.0",
+    "react-hook-form": "^7.53.2",
+    "tailwind-merge": "^2.6.0",
+    "zod": "^3.23.8",
+    "zustand": "^4.5.5"
+  },
+  "devDependencies": {
+    "@types/node": "^20.17.0",
+    "@types/react": "^18.3.0",
+    "@types/react-dom": "^18.3.0",
+    "autoprefixer": "^10.4.20",
+    "eslint": "^8.57.0",
+    "postcss": "^8.4.49",
+    "tailwindcss": "^3.4.15",
+    "typescript": "^5.6.0"
+  }
+}