Fix filesystem metric parsing bounds error in dashboard

Prevent string slicing panic in extract_filesystem_metric when
parsing individual filesystem metrics. This resolves the issue
where filesystem entries show —% —GB/—GB instead of actual usage.

Cargo.lock

@@ -279,7 +279,7 @@ checksum = "a1d728cc89cf3aee9ff92b05e62b19ee65a02b5702cff7d5a377e32c6ae29d8d"
 
 [[package]]
 name = "cm-dashboard"
-version = "0.1.109"
+version = "0.1.114"
 dependencies = [
  "anyhow",
  "chrono",
@@ -301,7 +301,7 @@ dependencies = [
 
 [[package]]
 name = "cm-dashboard-agent"
-version = "0.1.109"
+version = "0.1.114"
 dependencies = [
  "anyhow",
  "async-trait",
@@ -324,7 +324,7 @@ dependencies = [
 
 [[package]]
 name = "cm-dashboard-shared"
-version = "0.1.109"
+version = "0.1.114"
 dependencies = [
  "chrono",
  "serde",

agent/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "cm-dashboard-agent"
-version = "0.1.110"
+version = "0.1.114"
 edition = "2021"
 
 [dependencies]

agent/src/collectors/disk.rs

@@ -148,8 +148,13 @@ impl DiskCollector {
         let mut filesystem_usage = HashMap::new();
         
         for mount_point in mount_devices.keys() {
-            if let Ok((total, used)) = self.get_filesystem_info(mount_point) {
+            match self.get_filesystem_info(mount_point) {
-                filesystem_usage.insert(mount_point.clone(), (total, used));
+                Ok((total, used)) => {
+                    filesystem_usage.insert(mount_point.clone(), (total, used));
+                }
+                Err(e) => {
+                    debug!("Failed to get filesystem info for {}: {}", mount_point, e);
+                }
             }
         }
         

dashboard/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "cm-dashboard"
-version = "0.1.110"
+version = "0.1.114"
 edition = "2021"
 
 [dependencies]

dashboard/src/ui/widgets/system.rs

@@ -157,7 +157,7 @@ impl SystemWidget {
         }
     }
 
-    /// Parse storage metrics into pools and drives
+    /// Parse storage metrics into pools and drives  
     fn update_storage_from_metrics(&mut self, metrics: &[&Metric]) {
         let mut pools: std::collections::HashMap<String, StoragePool> = std::collections::HashMap::new();
         
@@ -350,7 +350,9 @@ impl SystemWidget {
                 // Find the second-to-last underscore to get pool name
                 let before_suffix = &metric_name[..suffix_pos];
                 if let Some(drive_start) = before_suffix.rfind('_') {
-                    return Some(metric_name[5..drive_start].to_string()); // Skip "disk_"
+                    if drive_start > 5 {
+                        return Some(metric_name[5..drive_start].to_string()); // Skip "disk_"
+                    }
                 }
             }
             // Handle filesystem metrics: disk_{pool}_fs_{filesystem}_{metric}
@@ -389,8 +391,12 @@ impl SystemWidget {
                 
                 for suffix in known_suffixes {
                     if after_fs.ends_with(suffix) {
-                        let fs_name = after_fs[..after_fs.len() - suffix.len() - 1].to_string(); // Remove suffix + underscore
+                        // Safely calculate fs_name length
-                        return (Some(fs_name), Some(suffix.to_string()));
+                        let suffix_with_underscore = suffix.len() + 1;
+                        if after_fs.len() > suffix_with_underscore {
+                            let fs_name = after_fs[..after_fs.len() - suffix_with_underscore].to_string();
+                            return (Some(fs_name), Some(suffix.to_string()));
+                        }
                     }
                 }
             }

shared/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "cm-dashboard-shared"
-version = "0.1.110"
+version = "0.1.114"
 edition = "2021"
 
 [dependencies]