Struct HatInfo 

pub struct HatInfo {
    pub name: String,
    pub description: String,
    pub subscribes_to: Vec<String>,
    pub publishes: Vec<String>,
    pub instructions: String,
    pub event_receivers: HashMap<String, Vec<EventReceiver>>,
    pub disallowed_tools: Vec<String>,
}

Information about a hat for prompt generation.

Fields

name: String

description: String

subscribes_to: Vec<String>

publishes: Vec<String>

instructions: String

event_receivers: HashMap<String, Vec<EventReceiver>>

Maps each published event to the hats that receive it.

disallowed_tools: Vec<String>

Tools the hat is not allowed to use (prompt-level enforcement).

Implementations

impl HatInfo

pub fn event_publishing_guide(&self) -> Option<String>

Generates an Event Publishing Guide section showing what happens when this hat publishes events.

Returns None if the hat doesn’t publish any events.

pub fn wave_dispatch_section(&self) -> String

Generates a Wave Dispatch section when downstream hats support parallel execution.

Shows a table of wave-capable topics and usage instructions for ralph wave emit. Returns empty string if no downstream hats have concurrency > 1.