Refactor code structure for improved readability and maintainability

src/yt_shorts_downloader/models/__init__.py

@@ -0,0 +1,6 @@
+from __future__ import annotations
+
+from .download import DownloadedVideo
+from .session import SessionCookie, SessionValidation
+
+__all__ = ["DownloadedVideo", "SessionCookie", "SessionValidation"]

src/yt_shorts_downloader/models/download.py

@@ -0,0 +1,10 @@
+from __future__ import annotations
+
+from dataclasses import dataclass
+
+
+@dataclass(frozen=True, slots=True)
+class DownloadedVideo:
+    filename: str
+    content: bytes
+    media_type: str = "video/mp4"

src/yt_shorts_downloader/models/session.py

@@ -0,0 +1,23 @@
+from __future__ import annotations
+
+from dataclasses import dataclass
+
+
+@dataclass(frozen=True, slots=True)
+class SessionCookie:
+    domain: str
+    include_subdomains: bool
+    path: str
+    secure: bool
+    expires: int
+    name: str
+    value: str
+
+
+@dataclass(frozen=True, slots=True)
+class SessionValidation:
+    exists: bool
+    structurally_valid: bool
+    fresh: bool
+    is_usable: bool
+    message: str