limit_agent/
events.rs

1use serde::{Deserialize, Serialize};
2use std::collections::HashMap;
3
4/// Events emitted during agent execution.
5///
6/// These events can be used for logging, monitoring, and debugging
7/// agent behavior.
8#[derive(Debug, Clone, Serialize, Deserialize)]
9pub enum Event {
10    /// Agent is thinking/reasoning.
11    Thinking { version: u32 },
12    /// A tool is being called.
13    ToolCall {
14        version: u32,
15        name: String,
16        args: HashMap<String, serde_json::Value>,
17    },
18    /// A tool has completed with output.
19    ToolResult { version: u32, output: String },
20    /// A file has been modified.
21    FileChange {
22        version: u32,
23        path: String,
24        diff: String,
25    },
26    /// An error occurred.
27    Error { version: u32, message: String },
28    /// Agent execution completed.
29    Done { version: u32 },
30}
31
32/// Event bus for subscribing to agent lifecycle events.
33///
34/// Note: This is a placeholder for future event system implementation.
35pub struct EventBus {
36    _private: (),
37}
38
39impl EventBus {
40    /// Create a new event bus.
41    pub fn new() -> Self {
42        Self { _private: () }
43    }
44
45    /// Subscribe to events.
46    ///
47    /// Note: This is a placeholder. Full implementation coming soon.
48    pub fn subscribe<F>(&self, _callback: F)
49    where
50        F: Fn(&Event) + Send + Sync + 'static,
51    {
52        // Placeholder - full implementation will store callbacks
53    }
54}
55
56impl Default for EventBus {
57    fn default() -> Self {
58        Self::new()
59    }
60}
61
62#[cfg(test)]
63mod tests {
64    use super::*;
65
66    #[test]
67    fn test_event_serialization() {
68        let event = Event::Thinking { version: 1 };
69        let json = serde_json::to_string(&event).unwrap();
70        let deserialized: Event = serde_json::from_str(&json).unwrap();
71        assert!(matches!(deserialized, Event::Thinking { version: 1 }));
72    }
73
74    #[test]
75    fn test_event_bus_new() {
76        let bus = EventBus::new();
77        assert!(matches!(bus, EventBus { .. }));
78    }
79
80    #[test]
81    fn test_event_bus_default() {
82        let bus = EventBus::default();
83        assert!(matches!(bus, EventBus { .. }));
84    }
85
86    #[test]
87    fn test_event_bus_subscribe() {
88        let bus = EventBus::new();
89        bus.subscribe(|_event| {
90            // Callback would handle events here
91        });
92    }
93}
limit_agent/events.rs

limit_agent/
events.rs
