Nuevos cambios en el backend

backend/app/schemas/exam.py

@@ -125,3 +125,18 @@ class ExportResponse(BaseModel):
     template_id: uuid.UUID
     format: ExportFormat
     content: str
+
+
+class ExamHistoryItem(BaseModel):
+    id: uuid.UUID
+    title: str
+    subject: str
+    educational_level: str
+    language: str
+    question_count: int
+    export_count: int
+    last_export_at: datetime | None
+    created_at: datetime
+    updated_at: datetime
+
+    model_config = ConfigDict(from_attributes=True)

backend/app/schemas/user.py

@@ -0,0 +1,35 @@
+import uuid
+from datetime import datetime
+
+from pydantic import BaseModel, ConfigDict, EmailStr, Field
+
+
+class UserRegister(BaseModel):
+    email: EmailStr
+    password: str = Field(min_length=8, max_length=128)
+    full_name: str | None = Field(default=None, max_length=200)
+
+
+class UserLogin(BaseModel):
+    email: EmailStr
+    password: str = Field(min_length=1, max_length=128)
+
+
+class UserRead(BaseModel):
+    id: uuid.UUID
+    email: EmailStr
+    full_name: str | None
+    created_at: datetime
+
+    model_config = ConfigDict(from_attributes=True)
+
+
+class GoogleLoginRequest(BaseModel):
+    """ID token obtenido en el frontend con Google Identity Services (Sign in with Google)."""
+
+    id_token: str = Field(min_length=10, max_length=8_000)
+
+
+class TokenResponse(BaseModel):
+    access_token: str
+    token_type: str = "bearer"