Module instruction_template 

Core traits and types.

Always available regardless of feature flags. Includes:

• Agent - The fundamental trait for all agents
• Tool / Toolset - For extending agents with capabilities
• Session / State - For managing conversation context
• Event - For streaming agent responses
• AdkError / Result - Unified error handling Template-based instruction injection with session state interpolation.

Functions

inject_session_state

Injects session state and artifact values into an instruction template