Refactor tests for improved consistency and readability

- Updated test cases in `test_auth_endpoints.py` to ensure consistent formatting and style.
- Enhanced `test_socket_endpoints.py` with consistent parameter formatting and improved readability.
- Cleaned up `conftest.py` by ensuring consistent parameter formatting in fixtures.
- Added comprehensive tests for API token dependencies in `test_api_token_dependencies.py`.
- Refactored `test_auth_service.py` to maintain consistent parameter formatting.
- Cleaned up `test_oauth_service.py` by removing unnecessary imports.
- Improved `test_socket_service.py` with consistent formatting and readability.
- Enhanced `test_cookies.py` by ensuring consistent formatting and readability.
- Introduced new tests for token utilities in `test_token_utils.py` to validate token generation and expiration logic.

app/schemas/auth.py

@@ -51,3 +51,29 @@ class AuthResponse(BaseModel):
 
     user: UserResponse = Field(..., description="User information")
     token: TokenResponse = Field(..., description="Authentication token")
+
+
+class ApiTokenRequest(BaseModel):
+    """Schema for API token generation request."""
+
+    expires_days: int = Field(
+        default=365,
+        ge=1,
+        le=3650,
+        description="Number of days until token expires (1-3650 days)",
+    )
+
+
+class ApiTokenResponse(BaseModel):
+    """Schema for API token response."""
+
+    api_token: str = Field(..., description="Generated API token")
+    expires_at: datetime = Field(..., description="Token expiration timestamp")
+
+
+class ApiTokenStatusResponse(BaseModel):
+    """Schema for API token status response."""
+
+    has_token: bool = Field(..., description="Whether user has an active API token")
+    expires_at: datetime | None = Field(None, description="Token expiration timestamp")
+    is_expired: bool = Field(..., description="Whether the token is expired")