vios_app 0.1.1

Small JSON vaults: Argon2id + AES-GCM, with optional AAD binding.
Documentation 
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use chrono::Utc;

#[derive(Clone, Debug)]
pub struct Percept {
    pub text: String,
}

#[derive(Clone, Debug)]
pub struct Action {
    pub intent: String,
    pub note: String,
}

#[derive(Default, Clone, Debug)]
pub struct Memory {
    ring: Vec<String>,
    cap: usize,
}
impl Memory {
    pub fn new(cap: usize) -> Self {
        Self {
            ring: Vec::with_capacity(cap),
            cap,
        }
    }
    pub fn push(&mut self, s: String) {
        if self.ring.len() >= self.cap {
            self.ring.remove(0);
        }
        self.ring.push(s);
    }
    pub fn snapshot(&self) -> Vec<String> {
        self.ring.clone()
    }
}

pub fn plan(p: &Percept, mem: &Memory) -> Action {
    let intent = if p.text.to_lowercase().contains("status") {
        "report"
    } else {
        "log"
    }
    .to_string();
    let note = format!("{} | mem_len={}", p.text.trim(), mem.ring.len());
    Action { intent, note }
}

pub fn act(a: &Action, mem: &mut Memory) -> String {
    match a.intent.as_str() {
        "report" => format!("[{}] STATUS :: {}", Utc::now().to_rfc3339(), a.note),
        _ => {
            mem.push(a.note.clone());
            format!("[{}] LOGGED", Utc::now().to_rfc3339())
        }
    }
}