Exception Hierarchy:

Added missing exceptions to utils/exceptions.py:
ResourceExhaustedError
ProcessingError
CleanupError
FileOperationError
Fixed exception imports in exceptions.py
Added proper re-exports of all exceptions
Maintained backward compatibility aliases
URL Processing:

Added pre-filtering for URLs before yt-dlp checks
Added common video platform patterns
Reduced error logging noise
Improved URL validation efficiency
Error Handling:

Added proper error types for all operations
Enhanced error messages with context
Added resource exhaustion checks
Improved error propagation
Code Organization:

Centralized exceptions in utils/exceptions.py
Proper re-exports in exceptions.py
Consistent error handling across components
Better error type hierarchy

videoarchiver/utils/exceptions.py

@@ -57,3 +57,21 @@ class DiscordAPIError(VideoArchiverError):
     def __init__(self, message: str, status_code: int = None):
         self.status_code = status_code
         super().__init__(f"Discord API Error: {message} (Status: {status_code if status_code else 'Unknown'})")
+
+class ResourceExhaustedError(VideoArchiverError):
+    """Error when system resources are exhausted"""
+    def __init__(self, message: str, resource_type: str = None):
+        self.resource_type = resource_type
+        super().__init__(f"Resource exhausted: {message} (Type: {resource_type if resource_type else 'Unknown'})")
+
+class ProcessingError(VideoArchiverError):
+    """Error during video processing"""
+    pass
+
+class CleanupError(VideoArchiverError):
+    """Error during cleanup operations"""
+    pass
+
+class FileOperationError(VideoArchiverError):
+    """Error during file operations"""
+    pass