Fix

src/ui/dashboard/model.rs

@@ -1,4 +1,5 @@
 use crate::core::models::{UnifiedData, UnifiedMonitorData};
+use crate::data::heartbeat::model::HeartbeatEntry;
 use crate::i18n::t;
 
 #[derive(Debug, Clone, PartialEq)]
@@ -17,6 +18,7 @@ pub struct MonitorViewState {
     pub response_time: String,
     pub uptime_24h: String,
     pub last_check: String,
+    pub status_history: Vec<MonitorStatus>,
 }
 
 #[derive(Debug, Clone)]
@@ -45,6 +47,8 @@ impl DashboardViewState {
         let mut monitors = Vec::new();
 
         for monitor in data.monitors {
+            let status_history = get_status_history(&monitor.heartbeats);
+
             let status = match monitor.heartbeats.last().map(|h| h.status) {
                 Some(1) => MonitorStatus::Up,
                 Some(0) => MonitorStatus::Down,
@@ -77,6 +81,7 @@ impl DashboardViewState {
                 response_time,
                 uptime_24h,
                 last_check,
+                status_history,
             });
         }
 
@@ -96,3 +101,23 @@ impl DashboardViewState {
         self.monitors.get(self.selected_index)
     }
 }
+
+fn get_status_history(heartbeats: &[HeartbeatEntry]) -> Vec<MonitorStatus> {
+    let mut history = heartbeats
+        .iter()
+        .rev()
+        .take(100)
+        .map(|h| match h.status {
+            0 => MonitorStatus::Down,
+            1 => MonitorStatus::Up,
+            _ => MonitorStatus::Unknown,
+        })
+        .collect::<Vec<_>>();
+
+    while history.len() < 100 {
+        history.push(MonitorStatus::Unknown);
+    }
+
+    history.reverse();
+    history
+}