feat(domain): support main domain

src/yatl/domains/domain.py

@@ -0,0 +1,62 @@
+from dataclasses import dataclass
+from typing import Any
+
+from yatl.domains.http import ExpectSpec, ExtractSpec, HttpRequest
+
+
+@dataclass
+class TestStep:
+    """
+    Step specification.
+
+    Attributes:
+        name: The name of the step.
+        description: The description of the step.
+        request: The request specification.
+        expect: The expectation specification.
+        extract: The extraction specification.
+        parametrize: The parametrization specification.
+        skip: Whether the step should be skipped.
+    """
+
+    name: str | None
+    description: str | None
+    request: HttpRequest | None
+    expect: ExpectSpec | None
+    extract: ExtractSpec | None
+    parametrize: list[dict] | None
+    skip: bool
+
+
+@dataclass
+class TestSpecification:
+    """
+    Test specification.
+
+    Attributes:
+        name: The name of the test.
+        base_url: The base URL for the test.
+        description: The description of the test.
+        steps: The steps of the test.
+        skip: Whether the test should be skipped.
+    """
+
+    name: str | None
+    base_url: str
+    description: str | None
+    steps: list[TestStep]
+    skip: bool
+
+
+@dataclass
+class Context:
+    """
+    Context for a test run.
+
+    Attributes:
+        variables: The variables for the test run.
+        extracted: The extracted variables for the test run.
+    """
+
+    variables: dict[str, Any]
+    extracted: dict[str, Any]