api(auth): add auth endpoints (setup, login, logout, status), tests, and dependency token decoding; update docs

src/server/utils/dependencies.py

@@ -17,6 +17,7 @@ except ImportError:
 
 from src.config.settings import settings
 from src.core.SeriesApp import SeriesApp
+from src.server.services.auth_service import AuthError, auth_service
 
 # Security scheme for JWT authentication
 security = HTTPBearer()
@@ -93,12 +94,22 @@ def get_current_user(
     Raises:
         HTTPException: If token is invalid or user is not authenticated
     """
-    # TODO: Implement JWT token validation
-    # This is a placeholder for authentication implementation
-    raise HTTPException(
-        status_code=status.HTTP_501_NOT_IMPLEMENTED,
-        detail="Authentication functionality not yet implemented"
-    )
+    if not credentials:
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="Missing authorization credentials",
+        )
+
+    token = credentials.credentials
+    try:
+        # Validate and decode token using the auth service
+        session = auth_service.create_session_model(token)
+        return session.dict()
+    except AuthError as e:
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail=str(e),
+        )
 
 
 def require_auth(