feat: Freelancer Match — AI-матчинг, escrow, milestones, portfolio, skill-tests, verification

backend/app/schemas/__init__.py

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+"""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/ai_match.py

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+"""Схемы AI-матчинга."""
+
+from pydantic import BaseModel, Field
+
+
+class AIMatchRequest(BaseModel):
+    project_id: str = Field(..., description="ID проекта")
+    limit: int = Field(default=10, ge=1, le=50)
+    min_score: float | None = Field(default=None, ge=0.0, le=1.0)
+
+
+class AIMatchResponse(BaseModel):
+    freelancer_id: str
+    name: str
+    skills_matched: list[str]
+    match_score: float
+    reasons: list[str]

backend/app/schemas/auth.py

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+"""Схемы авторизации."""
+
+from pydantic import BaseModel
+
+
+class TokenPair(BaseModel):
+    access_token: str
+    refresh_token: str

backend/app/schemas/escrow.py

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+"""Схемы escrow-транзакций."""
+
+from pydantic import BaseModel, Field
+
+
+class EscrowCreate(BaseModel):
+    project_id: str = Field(..., description="ID проекта")
+    client_id: str = Field(..., description="ID клиента")
+    freelancer_id: str = Field(..., description="ID фрилансера")
+    amount: float = Field(..., gt=0, description="Сумма в рублях")
+
+
+class EscrowRelease(BaseModel):
+    transaction_id: str = Field(..., description="ID транзакции")

backend/app/schemas/project.py

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+"""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

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+"""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/review.py

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+"""Схемы отзывов и рейтингов."""
+
+from pydantic import BaseModel, Field
+
+
+class ReviewCreate(BaseModel):
+    project_id: str = Field(..., description="ID проекта")
+    reviewee_id: str = Field(..., description="ID того кого оценивают")
+    rating: int = Field(..., ge=1, le=5)
+    comment: str | None = Field(default=None, max_length=2000)
+
+
+class ReviewResponse(BaseModel):
+    id: str
+    project_id: str
+    reviewer_name: str
+    reviewee_name: str
+    rating: int
+    comment: str | None
+    created_at: str

backend/app/schemas/user.py

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+"""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] = []