WrapToolFunction dynamically, at runtime, converts the input function to a "WrappedToolFunction" that can be used as part of Tool.WrappedToolFunction - i.e., a function of type: func(context.Context []byte) (interface{}, error).

AgentStep represents a single step in an agent's execution.

Capabilities represents what features an LLM provider supports.

Message represents a single message in a conversation with multimodal support.

Tool represents a function that an AI agent can use.

ToolCall represents a specific tool invocation request.

ToolResult contains the output of a tool execution.

StopCondition is a function that determines if the agent should stop.

For timestamps, source info, etc.