ras_agent/application/
detect_loop.rs

1use ras_llm::ChatMessage;
2
3use crate::domain::loop_detector::ActionLoopDetector;
4
5#[must_use]
6pub fn build_loop_nudge(detector: &ActionLoopDetector) -> Option<ChatMessage> {
7    let mut parts: Vec<String> = Vec::new();
8    if detector.action_loop_detected() {
9        parts.push(
10            "Heads up: the same action repeated several times. Try a different element or strategy."
11                .into(),
12        );
13    }
14    if detector.page_stagnation_detected() {
15        parts.push(
16            "Heads up: the page state has not changed for several steps. Reassess your approach."
17                .into(),
18        );
19    }
20    if parts.is_empty() {
21        return None;
22    }
23    Some(ChatMessage::system(parts.join("\n\n")))
24}
25
26#[must_use]
27pub fn build_budget_warning(step: u32, max_steps: u32) -> Option<ChatMessage> {
28    if max_steps == 0 {
29        return None;
30    }
31    let pct = (step * 100) / max_steps.max(1);
32    if pct < 75 {
33        return None;
34    }
35    let bound = if pct < 90 { 75 } else { 90 };
36    Some(ChatMessage::system(format!(
37        "You are at {pct}% of your step budget (>= {bound}%). Wrap up: call done if you have an answer, or pivot decisively."
38    )))
39}
ras_agent/application/detect_loop.rs

ras_agent/application/
detect_loop.rs
