Adding Context to Chat in AI

# Selection context
Ctrl+Shift+L   # Add selected code to chat
Ctrl+L         # Add selection to new chat

# Clipboard context
Ctrl+V         # Add clipboard as context (auto-detect)
Ctrl+Shift+V   # Add clipboard to input box

# Reference operators
@              # Reference specific items
#              # Reference files
/              # Use shortcut commands

# Codebase search
Ctrl+Enter     # Search entire codebase in chat

// EXAMPLE: Multi-file context
> @file1.ts @file2.ts How do these interact?

// EXAMPLE: Codebase search
> Find all API endpoints [Ctrl+Enter]

// EXAMPLE: Reference specific function
> @calculateTotal Why does this return NaN?