Function inject_memory_prompt 

pub fn inject_memory_prompt(
    system_instructions: &str,
    memory_summary: Option<&str>,
) -> String

Injects memory summary into system instructions if available.

This function appends memory context to the base system instructions, enabling the agent to maintain persistent context across conversation turns.

Arguments

• system_instructions - The base system instructions
• memory_summary - Optional memory summary from session state

Returns

System instructions with memory context injected, or original instructions if no memory