Update storage display format to match CLAUDE.md specification

Remove parentheses from drive temperature/wear display to match the
hierarchical format specified in documentation. Drive details now show
directly with status icons as 'nvme0n1 T: 25°C W: 4%' format.

Cargo.lock

@@ -279,7 +279,7 @@ checksum = "a1d728cc89cf3aee9ff92b05e62b19ee65a02b5702cff7d5a377e32c6ae29d8d"
 
 [[package]]
 name = "cm-dashboard"
-version = "0.1.133"
+version = "0.1.136"
 dependencies = [
  "anyhow",
  "chrono",
@@ -301,7 +301,7 @@ dependencies = [
 
 [[package]]
 name = "cm-dashboard-agent"
-version = "0.1.133"
+version = "0.1.136"
 dependencies = [
  "anyhow",
  "async-trait",
@@ -324,7 +324,7 @@ dependencies = [
 
 [[package]]
 name = "cm-dashboard-shared"
-version = "0.1.133"
+version = "0.1.136"
 dependencies = [
  "chrono",
  "serde",

agent/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "cm-dashboard-agent"
-version = "0.1.134"
+version = "0.1.137"
 edition = "2021"
 
 [dependencies]

agent/src/agent.rs

@@ -78,11 +78,10 @@ impl Agent {
             info!("Initial metric collection completed - all data cached and ready");
         }
 
-        // Separate intervals for collection, transmission, heartbeat, and email notifications
+        // Separate intervals for collection, transmission, and email notifications
         let mut collection_interval =
             interval(Duration::from_secs(self.config.collection_interval_seconds));
         let mut transmission_interval = interval(Duration::from_secs(self.config.zmq.transmission_interval_seconds));
-        let mut heartbeat_interval = interval(Duration::from_secs(self.config.zmq.heartbeat_interval_seconds));
         let mut notification_interval = interval(Duration::from_secs(self.config.notifications.aggregation_interval_seconds));
 
         loop {
@@ -99,12 +98,6 @@ impl Agent {
                         error!("Failed to broadcast metrics: {}", e);
                     }
                 }
-                _ = heartbeat_interval.tick() => {
-                    // Send standalone heartbeat for host connectivity detection
-                    if let Err(e) = self.send_heartbeat().await {
-                        error!("Failed to send heartbeat: {}", e);
-                    }
-                }
                 _ = notification_interval.tick() => {
                     // Process batched email notifications (separate from dashboard updates)
                     if let Err(e) = self.host_status_manager.process_pending_notifications(&mut self.notification_manager).await {
@@ -187,9 +180,7 @@ impl Agent {
         let version_metric = self.get_agent_version_metric();
         metrics.push(version_metric);
 
-        // Add heartbeat metric for host connectivity detection
+        // Heartbeat removed - dashboard detects connectivity via regular transmission timestamps
-        let heartbeat_metric = self.get_heartbeat_metric();
-        metrics.push(heartbeat_metric);
 
         // Check for user-stopped services that are now active and clear their flags
         self.clear_user_stopped_flags_for_active_services(&metrics);

agent/src/config/mod.rs

@@ -74,7 +74,8 @@ pub struct DiskConfig {
     pub usage_warning_percent: f32,
     /// Disk usage critical threshold (percentage)
     pub usage_critical_percent: f32,
-    /// Filesystem configurations
+    /// Filesystem configurations (optional - auto-discovery used if empty)
+    #[serde(default)]
     pub filesystems: Vec<FilesystemConfig>,
     /// SMART monitoring thresholds
     pub temperature_warning_celsius: f32,

dashboard/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "cm-dashboard"
-version = "0.1.134"
+version = "0.1.137"
 edition = "2021"
 
 [dependencies]

dashboard/src/ui/widgets/system.rs

@@ -263,7 +263,7 @@ impl SystemWidget {
                     }
                     
                     if !drive_details.is_empty() {
-                        format!("{} ({})", pool.name, drive_details.join(" "))
+                        format!("{} {}", pool.name, drive_details.join(" "))
                     } else {
                         pool.name.clone()
                     }

shared/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "cm-dashboard-shared"
-version = "0.1.134"
+version = "0.1.137"
 edition = "2021"
 
 [dependencies]