fix: resolve CI type annotation issues

src/requirements_to_gherkin/models.py

@@ -0,0 +1,35 @@
+from dataclasses import dataclass, field
+from typing import List
+
+
+@dataclass
+class Step:
+    type: str
+    description: str
+
+
+@dataclass
+class Scenario:
+    name: str
+    steps: List[Step] = field(default_factory=list)
+
+    def add_step(self, step: Step) -> None:
+        self.steps.append(step)
+
+
+@dataclass
+class Feature:
+    name: str
+    elements: List[Scenario] = field(default_factory=list)
+
+    def add_element(self, element: Scenario) -> None:
+        self.elements.append(element)
+
+    def to_gherkin(self) -> str:
+        lines = [f"Feature: {self.name}", ""]
+        for element in self.elements:
+            lines.append(f"  Scenario: {element.name}")
+            for step in element.steps:
+                lines.append(f"    {step.type} {step.description}")
+            lines.append("")
+        return "\n".join(lines)