Move Network section below RAM in system widget

Reordered display sections in system widget:
- Network section now appears after RAM and tmpfs mounts
- Improves logical grouping by placing network info between memory and storage
- Updated to version 0.1.168

.gitea/workflows/release.yml

@@ -113,13 +113,13 @@ jobs:
           NIX_HASH="sha256-$(python3 -c "import base64, binascii; print(base64.b64encode(binascii.unhexlify('$NEW_HASH')).decode())")"
           
           # Update the NixOS configuration
-          sed -i "s|version = \"v[^\"]*\"|version = \"$VERSION\"|" hosts/services/cm-dashboard.nix
-          sed -i "s|sha256 = \"sha256-[^\"]*\"|sha256 = \"$NIX_HASH\"|" hosts/services/cm-dashboard.nix
-          
+          sed -i "s|version = \"v[^\"]*\"|version = \"$VERSION\"|" services/cm-dashboard.nix
+          sed -i "s|sha256 = \"sha256-[^\"]*\"|sha256 = \"$NIX_HASH\"|" services/cm-dashboard.nix
+
           # Commit and push changes
           git config user.name "Gitea Actions"
           git config user.email "actions@gitea.cmtec.se"
-          git add hosts/services/cm-dashboard.nix
+          git add services/cm-dashboard.nix
           git commit -m "Auto-update cm-dashboard to $VERSION
 
           - Update version to $VERSION with automated release

CLAUDE.md

@@ -304,28 +304,28 @@ exclude_fs_types = ["tmpfs", "devtmpfs", "sysfs", "proc"]
 ### Display Format
 
 ```
+Network:
+● eno1:
+  ├─ ip: 192.168.30.105
+  └─ tailscale0: 100.125.108.16
+● eno2:
+  └─ ip: 192.168.32.105
 CPU:
 ● Load: 0.23 0.21 0.13
   └─ Freq: 1048 MHz
-
 RAM:
 ● Usage: 25% 5.8GB/23.3GB
   ├─ ● /tmp: 2% 0.5GB/2GB
   └─ ● /var/tmp: 0% 0GB/1.0GB
-
 Storage:
-● mergerfs (2+1):
-  ├─ Total: ● 63% 2355.2GB/3686.4GB
-  ├─ Data Disks:
-  │  ├─ ● sdb T: 24°C W: 5%
-  │  └─ ● sdd T: 27°C W: 5%
-  ├─ Parity: ● sdc T: 24°C W: 5%
-  └─ Mount: /srv/media
-
-● nvme0n1 T: 25C W: 4%
+● 844B9A25 T: 25C W: 4%
   ├─ ● /: 55% 250.5GB/456.4GB
   └─ ● /boot: 26% 0.3GB/1.0GB
-
+● mergerfs /srv/media:
+  ├─ ● 63% 2355.2GB/3686.4GB
+  ├─ ● Data_1: WDZQ8H8D T: 28°C
+  ├─ ● Data_2: GGA04461 T: 28°C
+  └─ ● Parity: WDZS8RY0 T: 29°C
 Backup:
 ● WD-WCC7K1234567 T: 32°C W: 12%
   ├─ Last: 2h ago (12.3GB)
@@ -361,98 +361,6 @@ Keep responses concise and focused. Avoid extensive implementation summaries unl
 - ✅ "Restructure storage widget with improved layout"
 - ✅ "Update CPU thresholds to production values"
 
-## Completed Architecture Migration (v0.1.131)
-
-## ✅ COMPLETE MONITORING SYSTEM RESTORATION (v0.1.141)
-
-**🎉 SUCCESS: All Issues Fixed - Complete Functional Monitoring System**
-
-### ✅ Completed Implementation (v0.1.141)
-
-**All Major Issues Resolved:**
-```
-✅ Data Collection: Agent collects structured data correctly
-✅ Storage Display: Perfect format with correct mount points and temperature/wear
-✅ Status Evaluation: All metrics properly evaluated against thresholds  
-✅ Notifications: Working email alerts on status changes
-✅ Thresholds: All collectors using configured thresholds for status calculation
-✅ Build Information: NixOS version displayed correctly
-✅ Mount Point Consistency: Stable, sorted display order
-```
-
-### ✅ All Phases Completed Successfully
-
-#### ✅ Phase 1: Storage Display - COMPLETED
-- ✅ Use `lsblk` instead of `findmnt` (eliminated `/nix/store` bind mount issue)
-- ✅ Add `sudo smartctl` for permissions (SMART data collection working)
-- ✅ Fix NVMe SMART parsing (`Temperature:` and `Percentage Used:` fields)
-- ✅ Consistent filesystem/tmpfs sorting (no more random order swapping)
-- ✅ **VERIFIED**: Dashboard shows `● nvme0n1 T: 28°C W: 1%` correctly
-
-#### ✅ Phase 2: Status Evaluation System - COMPLETED
-- ✅ **CPU Status**: Load averages and temperature evaluated against `HysteresisThresholds`
-- ✅ **Memory Status**: Usage percentage evaluated against thresholds
-- ✅ **Storage Status**: Drive temperature, health, and filesystem usage evaluated
-- ✅ **Service Status**: Service states properly tracked and evaluated
-- ✅ **Status Fields**: All AgentData structures include status information
-- ✅ **Threshold Integration**: All collectors use their configured thresholds
-
-#### ✅ Phase 3: Notification System - COMPLETED  
-- ✅ **Status Change Detection**: Agent tracks status between collection cycles
-- ✅ **Email Notifications**: Alerts sent on degradation (OK→Warning/Critical, Warning→Critical)
-- ✅ **Notification Content**: Detailed alerts with metric values and timestamps
-- ✅ **NotificationManager Integration**: Fully restored and operational
-- ✅ **Maintenance Mode**: `/tmp/cm-maintenance` file support maintained
-
-#### ✅ Phase 4: Integration & Testing - COMPLETED
-- ✅ **AgentData Status Fields**: All structured data includes status evaluation
-- ✅ **Status Processing**: Agent applies thresholds at collection time
-- ✅ **End-to-End Flow**: Collection → Evaluation → Notification → Display
-- ✅ **Dynamic Versioning**: Agent version from `CARGO_PKG_VERSION` 
-- ✅ **Build Information**: NixOS generation display restored
-
-### ✅ Final Architecture - WORKING
-
-**Complete Operational Flow:**
-```
-Collectors → AgentData (with Status) → NotificationManager → Email Alerts
-                                    ↘                        ↗  
-                                     ZMQ → Dashboard → Perfect Display
-```
-
-**Operational Components:**
-1. ✅ **Collectors**: Populate AgentData with metrics AND status evaluation
-2. ✅ **Status Evaluation**: `HysteresisThresholds.evaluate()` applied per collector
-3. ✅ **Notifications**: Email alerts on status change detection
-4. ✅ **Display**: Correct mount points, temperature, wear, and build information
-
-### ✅ Success Criteria - ALL MET
-
-**Display Requirements:**
-- ✅ Dashboard shows `● nvme0n1 T: 28°C W: 1%` format perfectly
-- ✅ Mount points show `/` and `/boot` (not `root`/`boot`)
-- ✅ Build information shows actual NixOS version (not "unknown")
-- ✅ Consistent sorting eliminates random order changes
-
-**Monitoring Requirements:**  
-- ✅ High CPU load triggers Warning/Critical status and email alert
-- ✅ High memory usage triggers Warning/Critical status and email alert
-- ✅ High disk temperature triggers Warning/Critical status and email alert
-- ✅ Failed services trigger Warning/Critical status and email alert
-- ✅ Maintenance mode suppresses notifications as expected
-
-### 🚀 Production Ready
-
-**CM Dashboard v0.1.141 is a complete, functional infrastructure monitoring system:**
-
-- **Real-time Monitoring**: All system components with 1-second intervals
-- **Intelligent Alerting**: Email notifications on threshold violations
-- **Perfect Display**: Accurate mount points, temperatures, and system information
-- **Status-Aware**: All metrics evaluated against configurable thresholds
-- **Production Ready**: Full monitoring capabilities restored
-
-**The monitoring system is fully operational and ready for production use.**
-
 ## Implementation Rules
 
 1. **Agent Status Authority**: Agent calculates status for each metric using thresholds

Cargo.lock

@@ -279,7 +279,7 @@ checksum = "a1d728cc89cf3aee9ff92b05e62b19ee65a02b5702cff7d5a377e32c6ae29d8d"
 
 [[package]]
 name = "cm-dashboard"
-version = "0.1.148"
+version = "0.1.168"
 dependencies = [
  "anyhow",
  "chrono",
@@ -301,7 +301,7 @@ dependencies = [
 
 [[package]]
 name = "cm-dashboard-agent"
-version = "0.1.148"
+version = "0.1.168"
 dependencies = [
  "anyhow",
  "async-trait",
@@ -324,7 +324,7 @@ dependencies = [
 
 [[package]]
 name = "cm-dashboard-shared"
-version = "0.1.148"
+version = "0.1.168"
 dependencies = [
  "chrono",
  "serde",

agent/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "cm-dashboard-agent"
-version = "0.1.149"
+version = "0.1.168"
 edition = "2021"
 
 [dependencies]

agent/src/agent.rs

@@ -12,11 +12,11 @@ use crate::collectors::{
     cpu::CpuCollector,
     disk::DiskCollector,
     memory::MemoryCollector,
+    network::NetworkCollector,
     nixos::NixOSCollector,
     systemd::SystemdCollector,
 };
 use crate::notifications::NotificationManager;
-use crate::service_tracker::UserStoppedServiceTracker;
 use cm_dashboard_shared::AgentData;
 
 pub struct Agent {
@@ -25,7 +25,6 @@ pub struct Agent {
     zmq_handler: ZmqHandler,
     collectors: Vec<Box<dyn Collector>>,
     notification_manager: NotificationManager,
-    service_tracker: UserStoppedServiceTracker,
     previous_status: Option<SystemStatus>,
 }
 
@@ -79,7 +78,11 @@ impl Agent {
         if config.collectors.backup.enabled {
             collectors.push(Box::new(BackupCollector::new()));
         }
-        
+
+        if config.collectors.network.enabled {
+            collectors.push(Box::new(NetworkCollector::new(config.collectors.network.clone())));
+        }
+
         if config.collectors.nixos.enabled {
             collectors.push(Box::new(NixOSCollector::new(config.collectors.nixos.clone())));
         }
@@ -90,17 +93,12 @@ impl Agent {
         let notification_manager = NotificationManager::new(&config.notifications, &hostname)?;
         info!("Notification manager initialized");
 
-        // Initialize service tracker
-        let service_tracker = UserStoppedServiceTracker::new();
-        info!("Service tracker initialized");
-
         Ok(Self {
             hostname,
             config,
             zmq_handler,
             collectors,
             notification_manager,
-            service_tracker,
             previous_status: None,
         })
     }

agent/src/collectors/backup.rs

@@ -1,5 +1,4 @@
 use async_trait::async_trait;
-use chrono;
 use cm_dashboard_shared::{AgentData, BackupData, BackupDiskData};
 use serde::{Deserialize, Serialize};
 use std::collections::HashMap;
@@ -47,15 +46,7 @@ impl BackupCollector {
     /// Convert BackupStatusToml to BackupData and populate AgentData
     async fn populate_backup_data(&self, agent_data: &mut AgentData) -> Result<(), CollectorError> {
         if let Some(backup_status) = self.read_backup_status().await? {
-            // Parse start_time to get last_run timestamp
-            let last_run = if let Ok(parsed_time) = chrono::DateTime::parse_from_str(&backup_status.start_time, "%Y-%m-%d %H:%M:%S UTC") {
-                Some(parsed_time.timestamp() as u64)
-            } else {
-                None
-            };
-
-            // Calculate next_scheduled (if needed - may need to be provided by backup script)
-            let next_scheduled = None; // TODO: Extract from backup script if available
+            // Use raw start_time string from TOML
 
             // Extract disk information
             let repository_disk = if let Some(disk_space) = &backup_status.disk_space {
@@ -89,12 +80,11 @@ impl BackupCollector {
 
             let backup_data = BackupData {
                 status: backup_status.status,
-                last_run,
-                next_scheduled,
                 total_size_gb: Some(total_size_gb),
                 repository_health: Some("ok".to_string()), // Derive from status if needed
                 repository_disk,
                 last_backup_size_gb: None, // Not available in current TOML format
+                start_time_raw: Some(backup_status.start_time),
             };
 
             agent_data.backup = backup_data;
@@ -102,12 +92,11 @@ impl BackupCollector {
             // No backup status available - set default values
             agent_data.backup = BackupData {
                 status: "unavailable".to_string(),
-                last_run: None,
-                next_scheduled: None,
                 total_size_gb: None,
                 repository_health: None,
                 repository_disk: None,
                 last_backup_size_gb: None,
+                start_time_raw: None,
             };
         }
 

agent/src/collectors/disk.rs

@@ -19,10 +19,8 @@ pub struct DiskCollector {
 /// A physical drive with its filesystems
 #[derive(Debug, Clone)]
 struct PhysicalDrive {
-    name: String,                        // e.g., "nvme0n1", "sda" 
+    name: String,                        // e.g., "nvme0n1", "sda"
     health: String,                      // SMART health status
-    temperature_celsius: Option<f32>,    // Drive temperature
-    wear_percent: Option<f32>,           // SSD wear level
     filesystems: Vec<Filesystem>,        // mounted filesystems on this drive
 }
 
@@ -50,6 +48,7 @@ struct MergerfsPool {
 #[derive(Debug, Clone)]
 struct PoolDrive {
     name: String,                    // Drive name
+    mount_point: String,             // e.g., "/mnt/disk1"
     temperature_celsius: Option<f32>, // Drive temperature
 }
 
@@ -75,11 +74,17 @@ impl DiskCollector {
         let mount_devices = self.get_mount_devices().await?;
         
         // Step 2: Get filesystem usage for each mount point using df
-        let filesystem_usage = self.get_filesystem_usage(&mount_devices).map_err(|e| CollectorError::Parse {
+        let mut filesystem_usage = self.get_filesystem_usage(&mount_devices).map_err(|e| CollectorError::Parse {
             value: "filesystem usage".to_string(),
             error: format!("Failed to get filesystem usage: {}", e),
         })?;
         
+        // Step 2.5: Add MergerFS mount points that weren't in lsblk output
+        self.add_mergerfs_filesystem_usage(&mut filesystem_usage).map_err(|e| CollectorError::Parse {
+            value: "mergerfs filesystem usage".to_string(),
+            error: format!("Failed to get mergerfs filesystem usage: {}", e),
+        })?;
+        
         // Step 3: Detect MergerFS pools
         let mergerfs_pools = self.detect_mergerfs_pools(&filesystem_usage).map_err(|e| CollectorError::Parse {
             value: "mergerfs pools".to_string(),
@@ -155,6 +160,30 @@ impl DiskCollector {
         Ok(filesystem_usage)
     }
 
+    /// Add filesystem usage for MergerFS mount points that aren't in lsblk
+    fn add_mergerfs_filesystem_usage(&self, filesystem_usage: &mut HashMap<String, (u64, u64)>) -> anyhow::Result<()> {
+        let mounts_content = std::fs::read_to_string("/proc/mounts")
+            .map_err(|e| anyhow::anyhow!("Failed to read /proc/mounts: {}", e))?;
+        
+        for line in mounts_content.lines() {
+            let parts: Vec<&str> = line.split_whitespace().collect();
+            if parts.len() >= 3 && parts[2] == "fuse.mergerfs" {
+                let mount_point = parts[1].to_string();
+                
+                // Only add if we don't already have usage data for this mount point
+                if !filesystem_usage.contains_key(&mount_point) {
+                    if let Ok((total, used)) = self.get_filesystem_info(&mount_point) {
+                        debug!("Added MergerFS filesystem usage for {}: {}GB total, {}GB used", 
+                            mount_point, total as f32 / (1024.0 * 1024.0 * 1024.0), used as f32 / (1024.0 * 1024.0 * 1024.0));
+                        filesystem_usage.insert(mount_point, (total, used));
+                    }
+                }
+            }
+        }
+        
+        Ok(())
+    }
+
     /// Get filesystem info for a single mount point
     fn get_filesystem_info(&self, mount_point: &str) -> Result<(u64, u64), CollectorError> {
         let output = Command::new("df")
@@ -198,16 +227,80 @@ impl DiskCollector {
     }
 
     /// Detect MergerFS pools from mount data
-    fn detect_mergerfs_pools(&self, _filesystem_usage: &HashMap<String, (u64, u64)>) -> anyhow::Result<Vec<MergerfsPool>> {
-        let pools = Vec::new();
+    fn detect_mergerfs_pools(&self, filesystem_usage: &HashMap<String, (u64, u64)>) -> anyhow::Result<Vec<MergerfsPool>> {
+        let mounts_content = std::fs::read_to_string("/proc/mounts")
+            .map_err(|e| anyhow::anyhow!("Failed to read /proc/mounts: {}", e))?;
+        let mut pools = Vec::new();
         
-        // For now, return empty pools - full mergerfs detection would require parsing /proc/mounts for fuse.mergerfs
-        // This ensures we don't break existing functionality
+        for line in mounts_content.lines() {
+            let parts: Vec<&str> = line.split_whitespace().collect();
+            if parts.len() >= 3 && parts[2] == "fuse.mergerfs" {
+                let mount_point = parts[1].to_string();
+                let device_sources = parts[0]; // e.g., "/mnt/disk1:/mnt/disk2"
+                
+                // Get pool usage
+                let (total_bytes, used_bytes) = filesystem_usage.get(&mount_point)
+                    .copied()
+                    .unwrap_or((0, 0));
+                
+                // Extract pool name from mount point (e.g., "/srv/media" -> "srv_media")
+                let pool_name = if mount_point == "/" {
+                    "root".to_string()
+                } else {
+                    mount_point.trim_start_matches('/').replace('/', "_")
+                };
+                
+                if pool_name.is_empty() {
+                    debug!("Skipping mergerfs pool with empty name: {}", mount_point);
+                    continue;
+                }
+                
+                // Parse member paths - handle both full paths and numeric references
+                let raw_paths: Vec<String> = device_sources
+                    .split(':')
+                    .map(|s| s.trim().to_string())
+                    .filter(|s| !s.is_empty())
+                    .collect();
+                
+                // Convert numeric references to actual mount points if needed
+                let member_paths = if raw_paths.iter().any(|path| !path.starts_with('/')) {
+                    // Handle numeric format like "1:2" by finding corresponding /mnt/disk* paths
+                    self.resolve_numeric_mergerfs_paths(&raw_paths)?
+                } else {
+                    // Already full paths
+                    raw_paths
+                };
+                
+                // For SnapRAID setups, include parity drives that are related to this pool's data drives
+                let mut all_member_paths = member_paths.clone();
+                let related_parity_paths = self.discover_related_parity_drives(&member_paths)?;
+                all_member_paths.extend(related_parity_paths);
+                
+                // Categorize as data vs parity drives
+                let (data_drives, parity_drives) = match self.categorize_pool_drives(&all_member_paths) {
+                    Ok(drives) => drives,
+                    Err(e) => {
+                        debug!("Failed to categorize drives for pool {}: {}. Skipping.", mount_point, e);
+                        continue;
+                    }
+                };
+                
+                pools.push(MergerfsPool {
+                    name: pool_name,
+                    mount_point,
+                    total_bytes,
+                    used_bytes,
+                    data_drives,
+                    parity_drives,
+                });
+            }
+        }
         
+        debug!("Found {} mergerfs pools", pools.len());
         Ok(pools)
     }
 
-    /// Group filesystems by physical drive (excluding mergerfs members)
+    /// Group filesystems by physical drive (excluding mergerfs members) - exact old logic
     fn group_by_physical_drive(
         &self, 
         mount_devices: &HashMap<String, String>,
@@ -216,14 +309,14 @@ impl DiskCollector {
     ) -> anyhow::Result<Vec<PhysicalDrive>> {
         let mut drive_groups: HashMap<String, Vec<Filesystem>> = HashMap::new();
         
-        // Get all mergerfs member paths to exclude them
+        // Get all mergerfs member paths to exclude them - exactly like old code
         let mut mergerfs_members = std::collections::HashSet::new();
         for pool in mergerfs_pools {
             for drive in &pool.data_drives {
-                mergerfs_members.insert(drive.name.clone());
+                mergerfs_members.insert(drive.mount_point.clone());
             }
             for drive in &pool.parity_drives {
-                mergerfs_members.insert(drive.name.clone());
+                mergerfs_members.insert(drive.mount_point.clone());
             }
         }
         
@@ -256,8 +349,6 @@ impl DiskCollector {
             let physical_drive = PhysicalDrive {
                 name: drive_name,
                 health: "UNKNOWN".to_string(), // Will be updated with SMART data
-                temperature_celsius: None,
-                wear_percent: None,
                 filesystems,
             };
             physical_drives.push(physical_drive);
@@ -342,12 +433,14 @@ impl DiskCollector {
             // Return unknown data rather than failing completely
             return Ok(SmartData {
                 health: "UNKNOWN".to_string(),
+                serial_number: None,
                 temperature_celsius: None,
                 wear_percent: None,
             });
         }
         
         let mut health = "UNKNOWN".to_string();
+        let mut serial_number = None;
         let mut temperature = None;
         let mut wear_percent = None;
 
@@ -360,8 +453,21 @@ impl DiskCollector {
                 }
             }
             
+            // Serial number parsing (both SATA and NVMe)
+            if line.contains("Serial Number:") {
+                if let Some(serial_part) = line.split("Serial Number:").nth(1) {
+                    let serial_str = serial_part.trim();
+                    if !serial_str.is_empty() {
+                        // Take first whitespace-separated token
+                        if let Some(serial) = serial_str.split_whitespace().next() {
+                            serial_number = Some(serial.to_string());
+                        }
+                    }
+                }
+            }
+            
             // Temperature parsing for different drive types
-            if line.contains("Temperature_Celsius") || line.contains("Airflow_Temperature_Cel") {
+            if line.contains("Temperature_Celsius") || line.contains("Airflow_Temperature_Cel") || line.contains("Temperature_Case") {
                 // Traditional SATA drives: attribute table format
                 if let Some(temp_str) = line.split_whitespace().nth(9) {
                     if let Ok(temp) = temp_str.parse::<f32>() {
@@ -379,7 +485,15 @@ impl DiskCollector {
             }
             
             // Wear level parsing for SSDs
-            if line.contains("Wear_Leveling_Count") || line.contains("SSD_Life_Left") {
+            if line.contains("Media_Wearout_Indicator") {
+                // Media_Wearout_Indicator stores remaining life % in column 3 (VALUE)
+                if let Some(wear_str) = line.split_whitespace().nth(3) {
+                    if let Ok(remaining) = wear_str.parse::<f32>() {
+                        wear_percent = Some(100.0 - remaining); // Convert remaining life to wear
+                    }
+                }
+            } else if line.contains("Wear_Leveling_Count") || line.contains("SSD_Life_Left") {
+                // Other wear attributes store value in column 9 (RAW_VALUE)
                 if let Some(wear_str) = line.split_whitespace().nth(9) {
                     if let Ok(wear) = wear_str.parse::<f32>() {
                         wear_percent = Some(100.0 - wear); // Convert remaining life to wear
@@ -402,6 +516,7 @@ impl DiskCollector {
 
         Ok(SmartData {
             health,
+            serial_number,
             temperature_celsius: temperature,
             wear_percent,
         })
@@ -427,6 +542,7 @@ impl DiskCollector {
 
             agent_data.system.storage.drives.push(DriveData {
                 name: drive.name.clone(),
+                serial_number: smart.and_then(|s| s.serial_number.clone()),
                 health: smart.map(|s| s.health.clone()).unwrap_or_else(|| drive.health.clone()),
                 temperature_celsius: smart.and_then(|s| s.temperature_celsius),
                 wear_percent: smart.and_then(|s| s.wear_percent),
@@ -444,28 +560,25 @@ impl DiskCollector {
     }
 
     /// Populate pools data into AgentData
-    fn populate_pools_data(&self, mergerfs_pools: &[MergerfsPool], _smart_data: &HashMap<String, SmartData>, agent_data: &mut AgentData) -> Result<(), CollectorError> {
+    fn populate_pools_data(&self, mergerfs_pools: &[MergerfsPool], smart_data: &HashMap<String, SmartData>, agent_data: &mut AgentData) -> Result<(), CollectorError> {
         for pool in mergerfs_pools {
+            // Calculate pool health and statuses based on member drive health
+            let (pool_health, health_status, usage_status, data_drive_data, parity_drive_data) = self.calculate_pool_health(pool, smart_data);
+            
             let pool_data = PoolData {
                 name: pool.name.clone(),
                 mount: pool.mount_point.clone(),
-                pool_type: "mergerfs".to_string(),
-                health: "healthy".to_string(), // TODO: Calculate based on member drives
-                usage_percent: (pool.used_bytes as f32 / pool.total_bytes as f32) * 100.0,
+                pool_type: format!("mergerfs ({}+{})", pool.data_drives.len(), pool.parity_drives.len()),
+                health: pool_health,
+                usage_percent: if pool.total_bytes > 0 {
+                    (pool.used_bytes as f32 / pool.total_bytes as f32) * 100.0
+                } else { 0.0 },
                 used_gb: pool.used_bytes as f32 / (1024.0 * 1024.0 * 1024.0),
                 total_gb: pool.total_bytes as f32 / (1024.0 * 1024.0 * 1024.0),
-                data_drives: pool.data_drives.iter().map(|d| cm_dashboard_shared::PoolDriveData {
-                    name: d.name.clone(),
-                    temperature_celsius: d.temperature_celsius,
-                    health: "unknown".to_string(),
-                    wear_percent: None,
-                }).collect(),
-                parity_drives: pool.parity_drives.iter().map(|d| cm_dashboard_shared::PoolDriveData {
-                    name: d.name.clone(),
-                    temperature_celsius: d.temperature_celsius,
-                    health: "unknown".to_string(),
-                    wear_percent: None,
-                }).collect(),
+                data_drives: data_drive_data,
+                parity_drives: parity_drive_data,
+                health_status,
+                usage_status,
             };
 
             agent_data.system.storage.pools.push(pool_data);
@@ -474,6 +587,93 @@ impl DiskCollector {
         Ok(())
     }
 
+    /// Calculate pool health based on member drive status
+    fn calculate_pool_health(&self, pool: &MergerfsPool, smart_data: &HashMap<String, SmartData>) -> (String, cm_dashboard_shared::Status, cm_dashboard_shared::Status, Vec<cm_dashboard_shared::PoolDriveData>, Vec<cm_dashboard_shared::PoolDriveData>) {
+        let mut failed_data = 0;
+        let mut failed_parity = 0;
+        
+        // Process data drives
+        let data_drive_data: Vec<cm_dashboard_shared::PoolDriveData> = pool.data_drives.iter().map(|d| {
+            let smart = smart_data.get(&d.name);
+            let health = smart.map(|s| s.health.clone()).unwrap_or_else(|| "UNKNOWN".to_string());
+            let temperature = smart.and_then(|s| s.temperature_celsius).or(d.temperature_celsius);
+            
+            if health == "FAILED" {
+                failed_data += 1;
+            }
+            
+            // Calculate drive statuses using config thresholds
+            let health_status = self.calculate_health_status(&health);
+            let temperature_status = temperature.map(|t| self.temperature_thresholds.evaluate(t)).unwrap_or(cm_dashboard_shared::Status::Unknown);
+            
+            cm_dashboard_shared::PoolDriveData {
+                name: d.name.clone(),
+                serial_number: smart.and_then(|s| s.serial_number.clone()),
+                temperature_celsius: temperature,
+                health,
+                wear_percent: smart.and_then(|s| s.wear_percent),
+                health_status,
+                temperature_status,
+            }
+        }).collect();
+        
+        // Process parity drives
+        let parity_drive_data: Vec<cm_dashboard_shared::PoolDriveData> = pool.parity_drives.iter().map(|d| {
+            let smart = smart_data.get(&d.name);
+            let health = smart.map(|s| s.health.clone()).unwrap_or_else(|| "UNKNOWN".to_string());
+            let temperature = smart.and_then(|s| s.temperature_celsius).or(d.temperature_celsius);
+            
+            if health == "FAILED" {
+                failed_parity += 1;
+            }
+            
+            // Calculate drive statuses using config thresholds
+            let health_status = self.calculate_health_status(&health);
+            let temperature_status = temperature.map(|t| self.temperature_thresholds.evaluate(t)).unwrap_or(cm_dashboard_shared::Status::Unknown);
+            
+            cm_dashboard_shared::PoolDriveData {
+                name: d.name.clone(),
+                serial_number: smart.and_then(|s| s.serial_number.clone()),
+                temperature_celsius: temperature,
+                health,
+                wear_percent: smart.and_then(|s| s.wear_percent),
+                health_status,
+                temperature_status,
+            }
+        }).collect();
+        
+        // Calculate overall pool health string and status
+        // SnapRAID logic: can tolerate up to N parity drive failures (where N = number of parity drives)
+        // If data drives fail AND we've lost parity protection, that's critical
+        let (pool_health, health_status) = if failed_data == 0 && failed_parity == 0 {
+            ("healthy".to_string(), cm_dashboard_shared::Status::Ok)
+        } else if failed_data == 0 && failed_parity > 0 {
+            // Parity failed but no data loss - degraded (reduced protection)
+            ("degraded".to_string(), cm_dashboard_shared::Status::Warning)
+        } else if failed_data == 1 && failed_parity == 0 {
+            // One data drive failed, parity intact - degraded (recoverable)
+            ("degraded".to_string(), cm_dashboard_shared::Status::Warning)
+        } else {
+            // Multiple data drives failed OR data+parity failed = data loss risk
+            ("critical".to_string(), cm_dashboard_shared::Status::Critical)
+        };
+        
+        // Calculate pool usage status using config thresholds
+        let usage_percent = if pool.total_bytes > 0 {
+            (pool.used_bytes as f32 / pool.total_bytes as f32) * 100.0
+        } else { 0.0 };
+        
+        let usage_status = if usage_percent >= self.config.usage_critical_percent {
+            cm_dashboard_shared::Status::Critical
+        } else if usage_percent >= self.config.usage_warning_percent {
+            cm_dashboard_shared::Status::Warning
+        } else {
+            cm_dashboard_shared::Status::Ok
+        };
+        
+        (pool_health, health_status, usage_status, data_drive_data, parity_drive_data)
+    }
+
     /// Calculate filesystem usage status
     fn calculate_filesystem_usage_status(&self, usage_percent: f32) -> Status {
         // Use standard filesystem warning/critical thresholds
@@ -499,6 +699,134 @@ impl DiskCollector {
             _ => Status::Unknown,
         }
     }
+
+    /// Discover parity drives that are related to the given data drives
+    fn discover_related_parity_drives(&self, data_drives: &[String]) -> anyhow::Result<Vec<String>> {
+        let mount_devices = tokio::task::block_in_place(|| {
+            tokio::runtime::Handle::current().block_on(self.get_mount_devices())
+        }).map_err(|e| anyhow::anyhow!("Failed to get mount devices: {}", e))?;
+        
+        let mut related_parity = Vec::new();
+        
+        // Find parity drives that share the same parent directory as the data drives
+        for data_path in data_drives {
+            if let Some(parent_dir) = self.get_parent_directory(data_path) {
+                // Look for parity drives in the same parent directory
+                for (mount_point, _device) in &mount_devices {
+                    if mount_point.contains("parity") && mount_point.starts_with(&parent_dir) {
+                        if !related_parity.contains(mount_point) {
+                            related_parity.push(mount_point.clone());
+                        }
+                    }
+                }
+            }
+        }
+        
+        Ok(related_parity)
+    }
+    
+    /// Get parent directory of a mount path (e.g., "/mnt/disk1" -> "/mnt")
+    fn get_parent_directory(&self, path: &str) -> Option<String> {
+        if let Some(last_slash) = path.rfind('/') {
+            if last_slash > 0 {
+                return Some(path[..last_slash].to_string());
+            }
+        }
+        None
+    }
+
+    /// Categorize pool member drives as data vs parity
+    fn categorize_pool_drives(&self, member_paths: &[String]) -> anyhow::Result<(Vec<PoolDrive>, Vec<PoolDrive>)> {
+        let mut data_drives = Vec::new();
+        let mut parity_drives = Vec::new();
+        
+        for path in member_paths {
+            let drive_info = self.get_drive_info_for_path(path)?;
+            
+            // Heuristic: if path contains "parity", it's parity
+            if path.to_lowercase().contains("parity") {
+                parity_drives.push(drive_info);
+            } else {
+                data_drives.push(drive_info);
+            }
+        }
+        
+        Ok((data_drives, parity_drives))
+    }
+
+    /// Get drive information for a mount path
+    fn get_drive_info_for_path(&self, path: &str) -> anyhow::Result<PoolDrive> {
+        // Use lsblk to find the backing device
+        let output = Command::new("lsblk")
+            .args(&["-rn", "-o", "NAME,MOUNTPOINT"])
+            .output()
+            .map_err(|e| anyhow::anyhow!("Failed to run lsblk: {}", e))?;
+            
+        let output_str = String::from_utf8_lossy(&output.stdout);
+        let mut device = String::new();
+        
+        for line in output_str.lines() {
+            let parts: Vec<&str> = line.split_whitespace().collect();
+            if parts.len() >= 2 && parts[1] == path {
+                device = parts[0].to_string();
+                break;
+            }
+        }
+        
+        if device.is_empty() {
+            return Err(anyhow::anyhow!("Could not find device for path {}", path));
+        }
+        
+        // Extract base device name (e.g., "sda1" -> "sda")
+        let base_device = self.extract_base_device(&format!("/dev/{}", device));
+        
+        // Get temperature from SMART data if available
+        let temperature = if let Ok(smart_data) = tokio::task::block_in_place(|| {
+            tokio::runtime::Handle::current().block_on(self.get_smart_data(&base_device))
+        }) {
+            smart_data.temperature_celsius
+        } else {
+            None
+        };
+        
+        Ok(PoolDrive {
+            name: base_device,
+            mount_point: path.to_string(),
+            temperature_celsius: temperature,
+        })
+    }
+
+    /// Resolve numeric mergerfs references like "1:2" to actual mount paths
+    fn resolve_numeric_mergerfs_paths(&self, numeric_refs: &[String]) -> anyhow::Result<Vec<String>> {
+        let mut resolved_paths = Vec::new();
+        
+        // Get all mount points that look like /mnt/disk* or /mnt/parity*
+        let mount_devices = tokio::task::block_in_place(|| {
+            tokio::runtime::Handle::current().block_on(self.get_mount_devices())
+        }).map_err(|e| anyhow::anyhow!("Failed to get mount devices: {}", e))?;
+        
+        let mut disk_mounts: Vec<String> = mount_devices.keys()
+            .filter(|path| path.starts_with("/mnt/disk") || path.starts_with("/mnt/parity"))
+            .cloned()
+            .collect();
+        disk_mounts.sort(); // Ensure consistent ordering
+        
+        for num_ref in numeric_refs {
+            if let Ok(index) = num_ref.parse::<usize>() {
+                // Convert 1-based index to 0-based
+                if index > 0 && index <= disk_mounts.len() {
+                    resolved_paths.push(disk_mounts[index - 1].clone());
+                }
+            }
+        }
+        
+        // Fallback: if we couldn't resolve, return the original paths
+        if resolved_paths.is_empty() {
+            resolved_paths = numeric_refs.to_vec();
+        }
+        
+        Ok(resolved_paths)
+    }
 }
 
 #[async_trait]
@@ -512,6 +840,7 @@ impl Collector for DiskCollector {
 #[derive(Debug, Clone)]
 struct SmartData {
     health: String,
+    serial_number: Option<String>,
     temperature_celsius: Option<f32>,
     wear_percent: Option<f32>,
 }

agent/src/collectors/mod.rs

@@ -7,6 +7,7 @@ pub mod cpu;
 pub mod disk;
 pub mod error;
 pub mod memory;
+pub mod network;
 pub mod nixos;
 pub mod systemd;
 

agent/src/collectors/network.rs

@@ -0,0 +1,143 @@
+use async_trait::async_trait;
+use cm_dashboard_shared::{AgentData, NetworkInterfaceData, Status};
+use std::process::Command;
+use tracing::debug;
+
+use super::{Collector, CollectorError};
+use crate::config::NetworkConfig;
+
+/// Network interface collector with physical/virtual classification and link status
+pub struct NetworkCollector {
+    _config: NetworkConfig,
+}
+
+impl NetworkCollector {
+    pub fn new(config: NetworkConfig) -> Self {
+        Self { _config: config }
+    }
+
+    /// Check if interface is physical (not virtual)
+    fn is_physical_interface(name: &str) -> bool {
+        // Physical interface patterns
+        matches!(
+            &name[..],
+            s if s.starts_with("eth")
+                || s.starts_with("ens")
+                || s.starts_with("enp")
+                || s.starts_with("wlan")
+                || s.starts_with("wlp")
+                || s.starts_with("eno")
+                || s.starts_with("enx")
+        )
+    }
+
+    /// Get link status for an interface
+    fn get_link_status(interface: &str) -> Status {
+        let operstate_path = format!("/sys/class/net/{}/operstate", interface);
+
+        match std::fs::read_to_string(&operstate_path) {
+            Ok(state) => {
+                let state = state.trim();
+                match state {
+                    "up" => Status::Ok,
+                    "down" => Status::Inactive,
+                    "unknown" => Status::Warning,
+                    _ => Status::Unknown,
+                }
+            }
+            Err(_) => Status::Unknown,
+        }
+    }
+
+    /// Collect network interfaces using ip command
+    async fn collect_interfaces(&self) -> Vec<NetworkInterfaceData> {
+        let mut interfaces = Vec::new();
+
+        match Command::new("ip").args(["-j", "addr"]).output() {
+            Ok(output) if output.status.success() => {
+                let json_str = String::from_utf8_lossy(&output.stdout);
+
+                if let Ok(json_data) = serde_json::from_str::<serde_json::Value>(&json_str) {
+                    if let Some(ifaces) = json_data.as_array() {
+                        for iface in ifaces {
+                            let name = iface["ifname"].as_str().unwrap_or("").to_string();
+
+                            // Skip loopback and empty names
+                            if name.is_empty() || name == "lo" {
+                                continue;
+                            }
+
+                            let mut ipv4_addresses = Vec::new();
+                            let mut ipv6_addresses = Vec::new();
+
+                            // Extract IP addresses
+                            if let Some(addr_info) = iface["addr_info"].as_array() {
+                                for addr in addr_info {
+                                    if let Some(family) = addr["family"].as_str() {
+                                        if let Some(local) = addr["local"].as_str() {
+                                            match family {
+                                                "inet" => ipv4_addresses.push(local.to_string()),
+                                                "inet6" => {
+                                                    // Skip link-local IPv6 addresses (fe80::)
+                                                    if !local.starts_with("fe80:") {
+                                                        ipv6_addresses.push(local.to_string());
+                                                    }
+                                                }
+                                                _ => {}
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+
+                            // Only add interfaces that have at least one IP address
+                            // This filters out ifb*, dummy interfaces, etc. that have no IPs
+                            if ipv4_addresses.is_empty() && ipv6_addresses.is_empty() {
+                                continue;
+                            }
+
+                            // Determine if physical and get status
+                            let is_physical = Self::is_physical_interface(&name);
+                            let link_status = if is_physical {
+                                Self::get_link_status(&name)
+                            } else {
+                                Status::Unknown  // Virtual interfaces don't have meaningful link status
+                            };
+
+                            interfaces.push(NetworkInterfaceData {
+                                name,
+                                ipv4_addresses,
+                                ipv6_addresses,
+                                is_physical,
+                                link_status,
+                                parent_interface: None,
+                            });
+                        }
+                    }
+                }
+            }
+            Err(e) => {
+                debug!("Failed to execute ip command: {}", e);
+            }
+            Ok(output) => {
+                debug!("ip command failed with status: {}", output.status);
+            }
+        }
+
+        interfaces
+    }
+}
+
+#[async_trait]
+impl Collector for NetworkCollector {
+    async fn collect_structured(&self, agent_data: &mut AgentData) -> Result<(), CollectorError> {
+        debug!("Collecting network interface data");
+
+        // Collect all network interfaces
+        let interfaces = self.collect_interfaces().await;
+
+        agent_data.system.network.interfaces = interfaces;
+
+        Ok(())
+    }
+}

agent/src/collectors/nixos.rs

@@ -5,21 +5,18 @@ use std::process::Command;
 use tracing::debug;
 
 use super::{Collector, CollectorError};
-use crate::config::NixOSConfig;
 
 /// NixOS system information collector with structured data output
-/// 
+///
 /// This collector gathers NixOS-specific information like:
 /// - System generation/build information
 /// - Version information
 /// - Agent version from Nix store path
-pub struct NixOSCollector {
-    config: NixOSConfig,
-}
+pub struct NixOSCollector;
 
 impl NixOSCollector {
-    pub fn new(config: NixOSConfig) -> Self {
-        Self { config }
+    pub fn new(_config: crate::config::NixOSConfig) -> Self {
+        Self
     }
 
     /// Collect NixOS system information and populate AgentData
@@ -83,14 +80,25 @@ impl NixOSCollector {
         std::env::var("CM_DASHBOARD_VERSION").unwrap_or_else(|_| "unknown".to_string())
     }
 
-    /// Get NixOS system generation (build) information
+    /// Get NixOS system generation (build) information from git commit
     async fn get_nixos_generation(&self) -> Option<String> {
-        match Command::new("nixos-version").output() {
-            Ok(output) => {
-                let version_str = String::from_utf8_lossy(&output.stdout);
-                Some(version_str.trim().to_string())
+        // Try to read git commit hash from file written during rebuild
+        let commit_file = "/var/lib/cm-dashboard/git-commit";
+        match fs::read_to_string(commit_file) {
+            Ok(content) => {
+                let commit_hash = content.trim();
+                if commit_hash.len() >= 7 {
+                    debug!("Found git commit hash: {}", commit_hash);
+                    Some(commit_hash.to_string())
+                } else {
+                    debug!("Git commit hash too short: {}", commit_hash);
+                    None
+                }
+            }
+            Err(e) => {
+                debug!("Failed to read git commit file {}: {}", commit_file, e);
+                None
             }
-            Err(_) => None,
         }
     }
 }

agent/src/collectors/systemd.rs

@@ -22,8 +22,6 @@ pub struct SystemdCollector {
 struct ServiceCacheState {
     /// Last collection time for performance tracking
     last_collection: Option<Instant>,
-    /// Cached service data
-    services: Vec<ServiceInfo>,
     /// Cached complete service data with sub-services
     cached_service_data: Vec<ServiceData>,
     /// Interesting services to monitor (cached after discovery)
@@ -50,20 +48,10 @@ struct ServiceStatusInfo {
     sub_state: String,
 }
 
-/// Internal service information
-#[derive(Debug, Clone)]
-struct ServiceInfo {
-    name: String,
-    status: String,           // "active", "inactive", "failed", etc.
-    memory_mb: f32,          // Memory usage in MB
-    disk_gb: f32,            // Disk usage in GB
-}
-
 impl SystemdCollector {
     pub fn new(config: SystemdConfig) -> Self {
         let state = ServiceCacheState {
             last_collection: None,
-            services: Vec::new(),
             cached_service_data: Vec::new(),
             monitored_services: Vec::new(),
             service_status_cache: std::collections::HashMap::new(),
@@ -73,7 +61,7 @@ impl SystemdCollector {
             last_nginx_check_time: None,
             nginx_check_interval_seconds: config.nginx_check_interval_seconds,
         };
-        
+
         Self {
             state: RwLock::new(state),
             config,
@@ -95,7 +83,6 @@ impl SystemdCollector {
         };
 
         // Collect service data for each monitored service
-        let mut services = Vec::new();
         let mut complete_service_data = Vec::new();
         for service_name in &monitored_services {
             match self.get_service_status(service_name) {
@@ -145,14 +132,6 @@ impl SystemdCollector {
                         }
                     }
 
-                    let service_info = ServiceInfo {
-                        name: service_name.clone(),
-                        status: active_status.clone(),
-                        memory_mb,
-                        disk_gb,
-                    };
-                    services.push(service_info);
-
                     // Create complete service data
                     let service_data = ServiceData {
                         name: service_name.clone(),
@@ -177,7 +156,6 @@ impl SystemdCollector {
         {
             let mut state = self.state.write().unwrap();
             state.last_collection = Some(start_time);
-            state.services = services;
             state.cached_service_data = complete_service_data;
         }
 
@@ -483,25 +461,6 @@ impl SystemdCollector {
         }
     }
 
-    /// Get service memory usage (if available) 
-    fn get_service_memory(&self, service: &str) -> Option<f32> {
-        let output = Command::new("systemctl")
-            .args(&["show", &format!("{}.service", service), "--property=MemoryCurrent"])
-            .output()
-            .ok()?;
-
-        let output_str = String::from_utf8(output.stdout).ok()?;
-        for line in output_str.lines() {
-            if line.starts_with("MemoryCurrent=") {
-                let memory_str = line.strip_prefix("MemoryCurrent=")?;
-                if let Ok(memory_bytes) = memory_str.parse::<u64>() {
-                    return Some(memory_bytes as f32 / (1024.0 * 1024.0)); // Convert to MB
-                }
-            }
-        }
-        None
-    }
-
     /// Calculate service status, taking user-stopped services into account
     fn calculate_service_status(&self, service_name: &str, active_status: &str) -> Status {
         match active_status.to_lowercase().as_str() {
@@ -549,7 +508,7 @@ impl SystemdCollector {
     /// Check if service collection cache should be updated
     fn should_update_cache(&self) -> bool {
         let state = self.state.read().unwrap();
-        
+
         match state.last_collection {
             None => true,
             Some(last) => {
@@ -559,16 +518,6 @@ impl SystemdCollector {
         }
     }
 
-    /// Get cached service data if available and fresh
-    fn get_cached_services(&self) -> Option<Vec<ServiceInfo>> {
-        if !self.should_update_cache() {
-            let state = self.state.read().unwrap();
-            Some(state.services.clone())
-        } else {
-            None
-        }
-    }
-
     /// Get cached complete service data with sub-services if available and fresh
     fn get_cached_complete_services(&self) -> Option<Vec<ServiceData>> {
         if !self.should_update_cache() {
@@ -807,9 +756,9 @@ impl SystemdCollector {
     fn get_docker_containers(&self) -> Vec<(String, String)> {
         let mut containers = Vec::new();
 
-        // Check if docker is available
-        let output = Command::new("docker")
-            .args(&["ps", "--format", "{{.Names}},{{.Status}}"])
+        // Check if docker is available (use sudo for permissions)
+        let output = Command::new("sudo")
+            .args(&["docker", "ps", "--format", "{{.Names}},{{.Status}}"])
             .output();
 
         let output = match output {

agent/src/config/defaults.rs

@@ -1,2 +0,0 @@
-// This file is now empty - all configuration values come from config files
-// No hardcoded defaults are used

agent/src/main.rs

@@ -8,7 +8,6 @@ mod collectors;
 mod communication;
 mod config;
 mod notifications;
-mod service_tracker;
 
 use agent::Agent;
 

agent/src/service_tracker.rs

@@ -1,164 +0,0 @@
-use anyhow::Result;
-use serde::{Deserialize, Serialize};
-use std::collections::HashSet;
-use std::fs;
-use std::path::Path;
-use std::sync::{Arc, Mutex, OnceLock};
-use tracing::{debug, info, warn};
-
-/// Shared instance for global access
-static GLOBAL_TRACKER: OnceLock<Arc<Mutex<UserStoppedServiceTracker>>> = OnceLock::new();
-
-/// Tracks services that have been stopped by user action
-/// These services should be treated as OK status instead of Warning
-#[derive(Debug)]
-pub struct UserStoppedServiceTracker {
-    /// Set of services stopped by user action
-    user_stopped_services: HashSet<String>,
-    /// Path to persistent storage file
-    storage_path: String,
-}
-
-/// Serializable data structure for persistence
-#[derive(Debug, Serialize, Deserialize)]
-struct UserStoppedData {
-    services: Vec<String>,
-}
-
-impl UserStoppedServiceTracker {
-    /// Create new tracker with default storage path
-    pub fn new() -> Self {
-        Self::with_storage_path("/var/lib/cm-dashboard/user-stopped-services.json")
-    }
-
-    /// Initialize global instance (called by agent)
-    pub fn init_global() -> Result<Self> {
-        let tracker = Self::new();
-        
-        // Set global instance
-        let global_instance = Arc::new(Mutex::new(tracker));
-        if GLOBAL_TRACKER.set(global_instance).is_err() {
-            warn!("Global service tracker was already initialized");
-        }
-        
-        // Return a new instance for the agent to use
-        Ok(Self::new())
-    }
-
-    /// Check if a service is user-stopped (global access for collectors)
-    pub fn is_service_user_stopped(service_name: &str) -> bool {
-        if let Some(global) = GLOBAL_TRACKER.get() {
-            if let Ok(tracker) = global.lock() {
-                tracker.is_user_stopped(service_name)
-            } else {
-                debug!("Failed to lock global service tracker");
-                false
-            }
-        } else {
-            debug!("Global service tracker not initialized");
-            false
-        }
-    }
-
-    /// Update global tracker (called by agent when tracker state changes)
-    pub fn update_global(updated_tracker: &UserStoppedServiceTracker) {
-        if let Some(global) = GLOBAL_TRACKER.get() {
-            if let Ok(mut tracker) = global.lock() {
-                tracker.user_stopped_services = updated_tracker.user_stopped_services.clone();
-            } else {
-                debug!("Failed to lock global service tracker for update");
-            }
-        } else {
-            debug!("Global service tracker not initialized for update");
-        }
-    }
-
-    /// Create new tracker with custom storage path
-    pub fn with_storage_path<P: AsRef<Path>>(storage_path: P) -> Self {
-        let storage_path = storage_path.as_ref().to_string_lossy().to_string();
-        let mut tracker = Self {
-            user_stopped_services: HashSet::new(),
-            storage_path,
-        };
-
-        // Load existing data from storage
-        if let Err(e) = tracker.load_from_storage() {
-            warn!("Failed to load user-stopped services from storage: {}", e);
-            info!("Starting with empty user-stopped services list");
-        }
-
-        tracker
-    }
-
-
-    /// Clear user-stopped flag for a service (when user starts it)
-    pub fn clear_user_stopped(&mut self, service_name: &str) -> Result<()> {
-        if self.user_stopped_services.remove(service_name) {
-            info!("Cleared user-stopped flag for service '{}'", service_name);
-            self.save_to_storage()?;
-            debug!("Service '{}' user-stopped flag cleared and saved to storage", service_name);
-        } else {
-            debug!("Service '{}' was not marked as user-stopped", service_name);
-        }
-        Ok(())
-    }
-
-    /// Check if a service is marked as user-stopped
-    pub fn is_user_stopped(&self, service_name: &str) -> bool {
-        let is_stopped = self.user_stopped_services.contains(service_name);
-        debug!("Service '{}' user-stopped status: {}", service_name, is_stopped);
-        is_stopped
-    }
-
-
-    /// Save current state to persistent storage
-    fn save_to_storage(&self) -> Result<()> {
-        // Create parent directory if it doesn't exist
-        if let Some(parent_dir) = Path::new(&self.storage_path).parent() {
-            if !parent_dir.exists() {
-                fs::create_dir_all(parent_dir)?;
-                debug!("Created parent directory: {}", parent_dir.display());
-            }
-        }
-
-        let data = UserStoppedData {
-            services: self.user_stopped_services.iter().cloned().collect(),
-        };
-
-        let json_data = serde_json::to_string_pretty(&data)?;
-        fs::write(&self.storage_path, json_data)?;
-
-        debug!(
-            "Saved {} user-stopped services to {}",
-            data.services.len(),
-            self.storage_path
-        );
-        Ok(())
-    }
-
-    /// Load state from persistent storage
-    fn load_from_storage(&mut self) -> Result<()> {
-        if !Path::new(&self.storage_path).exists() {
-            debug!("Storage file {} does not exist, starting fresh", self.storage_path);
-            return Ok(());
-        }
-
-        let json_data = fs::read_to_string(&self.storage_path)?;
-        let data: UserStoppedData = serde_json::from_str(&json_data)?;
-
-        self.user_stopped_services = data.services.into_iter().collect();
-
-        info!(
-            "Loaded {} user-stopped services from {}",
-            self.user_stopped_services.len(),
-            self.storage_path
-        );
-
-        if !self.user_stopped_services.is_empty() {
-            debug!("User-stopped services: {:?}", self.user_stopped_services);
-        }
-
-        Ok(())
-    }
-}
-

agent_stream.log

@@ -1,1001 +0,0 @@
-warning: fields `total_services`, `backup_disk_filesystem_label`, `services_completed_count`, `services_failed_count`, and `services_disabled_count` are never read
-  --> dashboard/src/ui/widgets/backup.rs:22:5
-   |
-14 | pub struct BackupWidget {
-   |            ------------ fields in this struct
-...
-22 |     total_services: Option<i64>,
-   |     ^^^^^^^^^^^^^^
-...
-36 |     backup_disk_filesystem_label: Option<String>,
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-37 |     /// Number of completed services
-38 |     services_completed_count: Option<i64>,
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^
-39 |     /// Number of failed services
-40 |     services_failed_count: Option<i64>,
-   |     ^^^^^^^^^^^^^^^^^^^^^
-41 |     /// Number of disabled services
-42 |     services_disabled_count: Option<i64>,
-   |     ^^^^^^^^^^^^^^^^^^^^^^^
-   |
-   = note: `BackupWidget` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
-   = note: `#[warn(dead_code)]` on by default
-
-warning: field `exit_code` is never read
-  --> dashboard/src/ui/widgets/backup.rs:53:5
-   |
-50 | struct ServiceMetricData {
-   |        ----------------- field in this struct
-...
-53 |     exit_code: Option<i64>,
-   |     ^^^^^^^^^
-   |
-   = note: `ServiceMetricData` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
-
-warning: associated function `extract_service_name` is never used
-   --> dashboard/src/ui/widgets/backup.rs:115:8
-    |
- 58 | impl BackupWidget {
-    | ----------------- associated function in this implementation
-...
-115 |     fn extract_service_name(metric_name: &str) -> Option<String> {
-    |        ^^^^^^^^^^^^^^^^^^^^
-
-warning: method `update_from_metrics` is never used
-   --> dashboard/src/ui/widgets/backup.rs:157:8
-    |
-156 | impl BackupWidget {
-    | ----------------- method in this implementation
-157 |     fn update_from_metrics(&mut self, metrics: &[&Metric]) {
-    |        ^^^^^^^^^^^^^^^^^^^
-
-warning: associated function `extract_service_info` is never used
-  --> dashboard/src/ui/widgets/services.rs:50:8
-   |
-38 | impl ServicesWidget {
-   | ------------------- associated function in this implementation
-...
-50 |     fn extract_service_info(metric_name: &str) -> Option<(String, Option<String>)> {
-   |        ^^^^^^^^^^^^^^^^^^^^
-
-warning: method `update_from_metrics` is never used
-   --> dashboard/src/ui/widgets/services.rs:285:8
-    |
-284 | impl ServicesWidget {
-    | ------------------- method in this implementation
-285 |     fn update_from_metrics(&mut self, metrics: &[&Metric]) {
-    |        ^^^^^^^^^^^^^^^^^^^
-
-warning: field `health_status` is never read
-  --> dashboard/src/ui/widgets/system.rs:53:5
-   |
-43 | struct StoragePool {
-   |        ----------- field in this struct
-...
-53 |     health_status: Status, // Separate status for pool health vs usage
-   |     ^^^^^^^^^^^^^
-   |
-   = note: `StoragePool` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
-
-warning: `cm-dashboard` (bin "cm-dashboard") generated 7 warnings
-    Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
-     Running `target/debug/cm-dashboard --headless --raw-data`
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-          "total_gb": 2.0
-        }
-      ]
-    },
-    "storage": {
-      "drives": [
-        {
-          "name": "nvme0n1",
-          "health": "PASSED",
-          "temperature_celsius": 28.0,
-          "wear_percent": 1.0,
-          "filesystems": [
-            {
-              "mount": "root",
-              "usage_percent": 24.404377,
-              "used_gb": 226.51398,
-              "total_gb": 928.1695
-            },
-            {
-              "mount": "boot",
-              "usage_percent": 10.666672,
-              "used_gb": 0.10645676,
-              "total_gb": 0.9980316
-            }
-          ]
-        }
-      ],
-      "pools": []
-    }
-  },
-  "services": [
-    {
-      "name": "tailscaled",
-      "status": "active",
-      "memory_mb": 25.59375,
-      "disk_gb": 0.0,
-      "user_stopped": false
-    },
-    {
-      "name": "sshd",
-      "status": "active",
-      "memory_mb": 4.3085938,
-      "disk_gb": 0.0,
-      "user_stopped": false
-    }
-  ],
-  "backup": {
-    "status": "unknown",
-    "last_run": null,
-    "next_scheduled": null,
-    "total_size_gb": null,
-    "repository_health": null
-  }
-}
-────────────────────────────────────────────────────────────────────────────────
-RAW AGENT DATA FROM cmbox:
-{
-  "hostname": "cmbox",
-  "agent_version": "v0.1.133",
-  "timestamp": 1763936509,
-  "system": {
-    "cpu": {
-      "load_1min": 0.0,
-      "load_5min": 0.0,
-      "load_15min": 0.0,
-      "frequency_mhz": 0.0,
-      "temperature_celsius": null
-    },
-    "memory": {
-      "usage_percent": 0.0,
-      "total_gb": 0.0,
-      "used_gb": 0.0,
-      "available_gb": 0.0,
-      "swap_total_gb": 0.0,
-      "swap_used_gb": 0.0,
-      "tmpfs": []
-    },
-    "storage": {
-      "drives": [],
-      "pools": []
-    }
-  },
-  "services": [],
-  "backup": {
-    "status": "unknown",
-    "last_run": null,
-    "next_scheduled": null,
-    "total_size_gb": null,
-    "repository_health": null
-  }
-}
-────────────────────────────────────────────────────────────────────────────────
-RAW AGENT DATA FROM cmbox:
-{
-  "hostname": "cmbox",
-  "agent_version": "v0.1.133",
-  "timestamp": 1763936510,
-  "system": {
-    "cpu": {
-      "load_1min": 1.75,
-      "load_5min": 2.08,
-      "load_15min": 2.1,
-      "frequency_mhz": 3638.71,
-      "temperature_celsius": 56.0
-    },
-    "memory": {
-      "usage_percent": 27.014532,
-      "total_gb": 23.339516,
-      "used_gb": 6.3050613,
-      "available_gb": 17.034454,
-      "swap_total_gb": 14.634708,
-      "swap_used_gb": 0.17599106,
-      "tmpfs": [
-        {
-          "mount": "/tmp",
-          "usage_percent": 15.095139,
-          "used_gb": 0.30190277,
-          "total_gb": 2.0
-        }
-      ]
-    },
-    "storage": {
-      "drives": [
-        {
-          "name": "nvme0n1",
-          "health": "PASSED",
-          "temperature_celsius": 28.0,
-          "wear_percent": 1.0,
-          "filesystems": [
-            {
-              "mount": "root",
-              "usage_percent": 24.404377,
-              "used_gb": 226.51398,
-              "total_gb": 928.1695
-            },
-            {
-              "mount": "boot",
-              "usage_percent": 10.666672,
-              "used_gb": 0.10645676,
-              "total_gb": 0.9980316
-            }
-          ]
-        }
-      ],
-      "pools": []
-    }
-  },
-  "services": [
-    {
-      "name": "tailscaled",
-      "status": "active",
-      "memory_mb": 25.59375,
-      "disk_gb": 0.0,
-      "user_stopped": false
-    },
-    {
-      "name": "sshd",
-      "status": "active",
-      "memory_mb": 4.3085938,
-      "disk_gb": 0.0,
-      "user_stopped": false
-    }
-  ],
-  "backup": {
-    "status": "unknown",
-    "last_run": null,
-    "next_scheduled": null,
-    "total_size_gb": null,
-    "repository_health": null
-  }
-}
-────────────────────────────────────────────────────────────────────────────────
-RAW AGENT DATA FROM cmbox:
-{
-  "hostname": "cmbox",
-  "agent_version": "v0.1.133",
-  "timestamp": 1763936511,
-  "system": {
-    "cpu": {
-      "load_1min": 1.75,
-      "load_5min": 2.08,
-      "load_15min": 2.1,
-      "frequency_mhz": 3638.71,
-      "temperature_celsius": 56.0
-    },
-    "memory": {
-      "usage_percent": 27.014532,
-      "total_gb": 23.339516,
-      "used_gb": 6.3050613,
-      "available_gb": 17.034454,
-      "swap_total_gb": 14.634708,
-      "swap_used_gb": 0.17599106,
-      "tmpfs": [
-        {
-          "mount": "/tmp",
-          "usage_percent": 15.095139,
-          "used_gb": 0.30190277,
-          "total_gb": 2.0
-        }
-      ]
-    },
-    "storage": {
-      "drives": [
-        {
-          "name": "nvme0n1",
-          "health": "PASSED",
-          "temperature_celsius": 28.0,
-          "wear_percent": 1.0,
-          "filesystems": [
-            {
-              "mount": "root",
-              "usage_percent": 24.404377,
-              "used_gb": 226.51398,
-              "total_gb": 928.1695
-            },
-            {
-              "mount": "boot",
-              "usage_percent": 10.666672,
-              "used_gb": 0.10645676,
-              "total_gb": 0.9980316
-            }
-          ]
-        }
-      ],
-      "pools": []
-    }
-  },
-  "services": [
-    {
-      "name": "tailscaled",
-      "status": "active",
-      "memory_mb": 25.59375,
-      "disk_gb": 0.0,
-      "user_stopped": false
-    },
-    {
-      "name": "sshd",
-      "status": "active",
-      "memory_mb": 4.3085938,
-      "disk_gb": 0.0,
-      "user_stopped": false
-    }
-  ],
-  "backup": {
-    "status": "unknown",
-    "last_run": null,
-    "next_scheduled": null,
-    "total_size_gb": null,
-    "repository_health": null
-  }
-}
-────────────────────────────────────────────────────────────────────────────────
-RAW AGENT DATA FROM cmbox:
-{
-  "hostname": "cmbox",
-  "agent_version": "v0.1.133",
-  "timestamp": 1763936512,
-  "system": {
-    "cpu": {
-      "load_1min": 1.75,
-      "load_5min": 2.08,
-      "load_15min": 2.1,
-      "frequency_mhz": 3638.71,
-      "temperature_celsius": 56.0
-    },
-    "memory": {
-      "usage_percent": 27.014532,
-      "total_gb": 23.339516,
-      "used_gb": 6.3050613,
-      "available_gb": 17.034454,
-      "swap_total_gb": 14.634708,
-      "swap_used_gb": 0.17599106,
-      "tmpfs": [
-        {
-          "mount": "/tmp",
-          "usage_percent": 15.095139,
-          "used_gb": 0.30190277,
-          "total_gb": 2.0
-        }
-      ]
-    },
-    "storage": {
-      "drives": [
-        {
-          "name": "nvme0n1",
-          "health": "PASSED",
-          "temperature_celsius": 28.0,
-          "wear_percent": 1.0,
-          "filesystems": [
-            {
-              "mount": "root",
-              "usage_percent": 24.404377,
-              "used_gb": 226.51398,
-              "total_gb": 928.1695
-            },
-            {
-              "mount": "boot",
-              "usage_percent": 10.666672,
-              "used_gb": 0.10645676,
-              "total_gb": 0.9980316
-            }
-          ]
-        }
-      ],
-      "pools": []
-    }
-  },
-  "services": [
-    {
-      "name": "tailscaled",
-      "status": "active",
-      "memory_mb": 25.59375,
-      "disk_gb": 0.0,
-      "user_stopped": false
-    },
-    {
-      "name": "sshd",
-      "status": "active",
-      "memory_mb": 4.3085938,
-      "disk_gb": 0.0,
-      "user_stopped": false
-    }
-  ],
-  "backup": {
-    "status": "unknown",
-    "last_run": null,
-    "next_scheduled": null,
-    "total_size_gb": null,
-    "repository_health": null
-  }
-}
-────────────────────────────────────────────────────────────────────────────────
-Terminated

dashboard/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "cm-dashboard"
-version = "0.1.149"
+version = "0.1.168"
 edition = "2021"
 
 [dependencies]

dashboard/src/app.rs

@@ -20,13 +20,12 @@ pub struct Dashboard {
     tui_app: Option<TuiApp>,
     terminal: Option<Terminal<CrosstermBackend<io::Stdout>>>,
     headless: bool,
-    raw_data: bool,
     initial_commands_sent: std::collections::HashSet<String>,
     config: DashboardConfig,
 }
 
 impl Dashboard {
-    pub async fn new(config_path: Option<String>, headless: bool, raw_data: bool) -> Result<Self> {
+    pub async fn new(config_path: Option<String>, headless: bool) -> Result<Self> {
         info!("Initializing dashboard");
 
         // Load configuration - try default path if not specified
@@ -120,7 +119,6 @@ impl Dashboard {
             tui_app,
             terminal,
             headless,
-            raw_data,
             initial_commands_sent: std::collections::HashSet::new(),
             config,
         })
@@ -205,13 +203,6 @@ impl Dashboard {
                             .insert(agent_data.hostname.clone());
                     }
 
-                    // Show raw data if requested (before processing)
-                    if self.raw_data {
-                        println!("RAW AGENT DATA FROM {}:", agent_data.hostname);
-                        println!("{}", serde_json::to_string_pretty(&agent_data).unwrap_or_else(|e| format!("Serialization error: {}", e)));
-                        println!("{}", "─".repeat(80));
-                    }
-
                     // Store structured data directly
                     self.metric_store.store_agent_data(agent_data);
 

dashboard/src/main.rs

@@ -51,10 +51,6 @@ struct Cli {
     /// Run in headless mode (no TUI, just logging)
     #[arg(long)]
     headless: bool,
-
-    /// Show raw agent data in headless mode
-    #[arg(long)]
-    raw_data: bool,
 }
 
 #[tokio::main]
@@ -90,7 +86,7 @@ async fn main() -> Result<()> {
     }
 
     // Create and run dashboard
-    let mut dashboard = Dashboard::new(cli.config, cli.headless, cli.raw_data).await?;
+    let mut dashboard = Dashboard::new(cli.config, cli.headless).await?;
 
     // Setup graceful shutdown
     let ctrl_c = async {

dashboard/src/ui/theme.rs

@@ -225,9 +225,6 @@ impl Layout {
     pub const LEFT_PANEL_WIDTH: u16 = 45;
     /// Right panel percentage (services)
     pub const RIGHT_PANEL_WIDTH: u16 = 55;
-    /// System vs backup split (equal)
-    pub const SYSTEM_PANEL_HEIGHT: u16 = 50;
-    pub const BACKUP_PANEL_HEIGHT: u16 = 50;
 }
 
 /// Typography system

dashboard/src/ui/widgets/cpu.rs

@@ -1 +0,0 @@
-// This file is intentionally left minimal - CPU functionality is handled by the SystemWidget

dashboard/src/ui/widgets/memory.rs

@@ -1 +0,0 @@
-// This file is intentionally left minimal - Memory functionality is handled by the SystemWidget

dashboard/src/ui/widgets/mod.rs

@@ -1,7 +1,5 @@
 use cm_dashboard_shared::AgentData;
 
-pub mod cpu;
-pub mod memory;
 pub mod services;
 pub mod system;
 

dashboard/src/ui/widgets/system.rs

@@ -8,13 +8,16 @@ use ratatui::{
 
 use crate::ui::theme::{StatusIcons, Typography};
 
-/// System widget displaying NixOS info, CPU, RAM, and Storage in unified layout
+/// System widget displaying NixOS info, Network, CPU, RAM, and Storage in unified layout
 #[derive(Clone)]
 pub struct SystemWidget {
     // NixOS information
     nixos_build: Option<String>,
     agent_hash: Option<String>,
-    
+
+    // Network interfaces
+    network_interfaces: Vec<cm_dashboard_shared::NetworkInterfaceData>,
+
     // CPU metrics
     cpu_load_1min: Option<f32>,
     cpu_load_5min: Option<f32>,
@@ -39,8 +42,7 @@ pub struct SystemWidget {
     
     // Backup metrics
     backup_status: String,
-    backup_last_run: Option<u64>,
-    backup_next_scheduled: Option<u64>,
+    backup_start_time_raw: Option<String>,
     backup_disk_serial: Option<String>,
     backup_disk_usage_percent: Option<f32>,
     backup_disk_used_gb: Option<f32>,
@@ -58,7 +60,9 @@ struct StoragePool {
     name: String,
     mount_point: String,
     pool_type: String, // "single", "mergerfs (2+1)", "RAID5 (3+1)", etc.
-    drives: Vec<StorageDrive>,
+    drives: Vec<StorageDrive>, // For physical drives
+    data_drives: Vec<StorageDrive>, // For MergerFS pools
+    parity_drives: Vec<StorageDrive>, // For MergerFS pools
     filesystems: Vec<FileSystem>, // For physical drive pools: individual filesystem children
     usage_percent: Option<f32>,
     used_gb: Option<f32>,
@@ -88,6 +92,7 @@ impl SystemWidget {
         Self {
             nixos_build: None,
             agent_hash: None,
+            network_interfaces: Vec::new(),
             cpu_load_1min: None,
             cpu_load_5min: None,
             cpu_load_15min: None,
@@ -104,8 +109,7 @@ impl SystemWidget {
             tmpfs_mounts: Vec::new(),
             storage_pools: Vec::new(),
             backup_status: "unknown".to_string(),
-            backup_last_run: None,
-            backup_next_scheduled: None,
+            backup_start_time_raw: None,
             backup_disk_serial: None,
             backup_disk_usage_percent: None,
             backup_disk_used_gb: None,
@@ -164,6 +168,9 @@ impl Widget for SystemWidget {
         // Extract build version
         self.nixos_build = agent_data.build_version.clone();
 
+        // Extract network interfaces
+        self.network_interfaces = agent_data.system.network.interfaces.clone();
+
         // Extract CPU data directly
         let cpu = &agent_data.system.cpu;
         self.cpu_load_1min = Some(cpu.load_1min);
@@ -196,8 +203,7 @@ impl Widget for SystemWidget {
         // Extract backup data
         let backup = &agent_data.backup;
         self.backup_status = backup.status.clone();
-        self.backup_last_run = backup.last_run;
-        self.backup_next_scheduled = backup.next_scheduled;
+        self.backup_start_time_raw = backup.start_time_raw.clone();
         self.backup_last_size_gb = backup.last_backup_size_gb;
 
         if let Some(disk) = &backup.repository_disk {
@@ -230,6 +236,8 @@ impl SystemWidget {
                 mount_point: drive.name.clone(),
                 pool_type: "drive".to_string(),
                 drives: Vec::new(),
+                data_drives: Vec::new(),
+                parity_drives: Vec::new(),
                 filesystems: Vec::new(),
                 usage_percent: None,
                 used_gb: None,
@@ -238,8 +246,11 @@ impl SystemWidget {
             };
 
             // Add drive info
+            let display_name = drive.serial_number.as_ref()
+                .map(|s| truncate_serial(s))
+                .unwrap_or(drive.name.clone());
             let storage_drive = StorageDrive {
-                name: drive.name.clone(),
+                name: display_name,
                 temperature: drive.temperature_celsius,
                 wear_percent: drive.wear_percent,
                 status: Status::Ok,
@@ -270,7 +281,85 @@ impl SystemWidget {
             pools.insert(drive.name.clone(), pool);
         }
 
-        // Convert pools
+        // Convert pools (MergerFS, RAID, etc.)
+        for pool in &agent_data.system.storage.pools {
+            // Use agent-calculated status (combined health and usage status)
+            let pool_status = if pool.health_status == Status::Critical || pool.usage_status == Status::Critical {
+                Status::Critical
+            } else if pool.health_status == Status::Warning || pool.usage_status == Status::Warning {
+                Status::Warning
+            } else if pool.health_status == Status::Ok && pool.usage_status == Status::Ok {
+                Status::Ok
+            } else {
+                Status::Unknown
+            };
+            
+            let mut storage_pool = StoragePool {
+                name: pool.name.clone(),
+                mount_point: pool.mount.clone(),
+                pool_type: pool.pool_type.clone(),
+                drives: Vec::new(),
+                data_drives: Vec::new(),
+                parity_drives: Vec::new(),
+                filesystems: Vec::new(),
+                usage_percent: Some(pool.usage_percent),
+                used_gb: Some(pool.used_gb),
+                total_gb: Some(pool.total_gb),
+                status: pool_status,
+            };
+
+            // Add data drives - use agent-calculated status
+            for drive in &pool.data_drives {
+                // Use combined health and temperature status
+                let drive_status = if drive.health_status == Status::Critical || drive.temperature_status == Status::Critical {
+                    Status::Critical
+                } else if drive.health_status == Status::Warning || drive.temperature_status == Status::Warning {
+                    Status::Warning
+                } else if drive.health_status == Status::Ok && drive.temperature_status == Status::Ok {
+                    Status::Ok
+                } else {
+                    Status::Unknown
+                };
+
+                let display_name = drive.serial_number.as_ref()
+                    .map(|s| truncate_serial(s))
+                    .unwrap_or(drive.name.clone());
+                let storage_drive = StorageDrive {
+                    name: display_name,
+                    temperature: drive.temperature_celsius,
+                    wear_percent: drive.wear_percent,
+                    status: drive_status,
+                };
+                storage_pool.data_drives.push(storage_drive);
+            }
+
+            // Add parity drives - use agent-calculated status
+            for drive in &pool.parity_drives {
+                // Use combined health and temperature status
+                let drive_status = if drive.health_status == Status::Critical || drive.temperature_status == Status::Critical {
+                    Status::Critical
+                } else if drive.health_status == Status::Warning || drive.temperature_status == Status::Warning {
+                    Status::Warning
+                } else if drive.health_status == Status::Ok && drive.temperature_status == Status::Ok {
+                    Status::Ok
+                } else {
+                    Status::Unknown
+                };
+
+                let display_name = drive.serial_number.as_ref()
+                    .map(|s| truncate_serial(s))
+                    .unwrap_or(drive.name.clone());
+                let storage_drive = StorageDrive {
+                    name: display_name,
+                    temperature: drive.temperature_celsius,
+                    wear_percent: drive.wear_percent,
+                    status: drive_status,
+                };
+                storage_pool.parity_drives.push(storage_drive);
+            }
+
+            pools.insert(pool.name.clone(), storage_pool);
+        }
 
         // Store pools
         let mut pool_list: Vec<StoragePool> = pools.into_values().collect();
@@ -286,12 +375,8 @@ impl SystemWidget {
             // Pool header line with type and health
             let pool_label = if pool.pool_type == "drive" {
                 // For physical drives, show the drive name with temperature and wear percentage if available
-                // Look for any drive with temp/wear data (physical drives may have drives named after the pool)
-                let drive_info = pool.drives.iter()
-                    .find(|d| d.name == pool.name)
-                    .or_else(|| pool.drives.first());
-
-                if let Some(drive) = drive_info {
+                // Physical drives only have one drive entry
+                if let Some(drive) = pool.drives.first() {
                     let mut drive_details = Vec::new();
                     if let Some(temp) = drive.temperature {
                         drive_details.push(format!("T: {}°C", temp as i32));
@@ -299,18 +384,18 @@ impl SystemWidget {
                     if let Some(wear) = drive.wear_percent {
                         drive_details.push(format!("W: {}%", wear as i32));
                     }
-                    
+
                     if !drive_details.is_empty() {
-                        format!("{} {}", pool.name, drive_details.join(" "))
+                        format!("{} {}", drive.name, drive_details.join(" "))
                     } else {
-                        pool.name.clone()
+                        drive.name.clone()
                     }
                 } else {
                     pool.name.clone()
                 }
             } else {
-                // For mergerfs pools, show pool name with format
-                format!("{} ({})", pool.mount_point, pool.pool_type)
+                // For mergerfs pools, show pool type with mount point
+                format!("mergerfs {}:", pool.mount_point)
             };
 
             let pool_spans = StatusIcons::create_status_spans(pool.status.clone(), &pool_label);
@@ -339,28 +424,78 @@ impl SystemWidget {
                     lines.push(Line::from(fs_spans));
                 }
             } else {
-                // For mergerfs pools, show data drives and parity drives in tree structure
-                if !pool.drives.is_empty() {
-                    // Group drives by type based on naming conventions or show all as data drives
-                    let (data_drives, parity_drives): (Vec<_>, Vec<_>) = pool.drives.iter()
-                        .partition(|d| !d.name.contains("parity") && !d.name.starts_with("sdc"));
+                // For mergerfs pools, show structure matching CLAUDE.md format:
+                // ● mergerfs (2+1):
+                //   ├─ Total: ● 63% 2355.2GB/3686.4GB
+                //   ├─ Data Disks:
+                //   │  ├─ ● sdb T: 24°C W: 5%
+                //   │  └─ ● sdd T: 27°C W: 5%
+                //   ├─ Parity: ● sdc T: 24°C W: 5%
+                //   └─ Mount: /srv/media
+                
+                // Pool total usage
+                let total_text = format!("{:.0}% {:.1}GB/{:.1}GB",
+                    pool.usage_percent.unwrap_or(0.0),
+                    pool.used_gb.unwrap_or(0.0),
+                    pool.total_gb.unwrap_or(0.0)
+                );
+                let mut total_spans = vec![
+                    Span::styled("  ├─ ", Typography::tree()),
+                ];
+                total_spans.extend(StatusIcons::create_status_spans(Status::Ok, &total_text));
+                lines.push(Line::from(total_spans));
 
-                    if !data_drives.is_empty() {
-                        lines.push(Line::from(vec![
-                            Span::styled("  ├─ Data Disks:", Typography::secondary())
-                        ]));
-                        for (i, drive) in data_drives.iter().enumerate() {
-                            render_pool_drive(drive, i == data_drives.len() - 1 && parity_drives.is_empty(), &mut lines);
-                        }
+                // Data drives - at same level as parity
+                let has_parity = !pool.parity_drives.is_empty();
+                for (i, drive) in pool.data_drives.iter().enumerate() {
+                    let is_last_data = i == pool.data_drives.len() - 1;
+                    let mut drive_details = Vec::new();
+                    if let Some(temp) = drive.temperature {
+                        drive_details.push(format!("T: {}°C", temp as i32));
+                    }
+                    if let Some(wear) = drive.wear_percent {
+                        drive_details.push(format!("W: {}%", wear as i32));
                     }
 
-                    if !parity_drives.is_empty() {
-                        lines.push(Line::from(vec![
-                            Span::styled("  └─ Parity:", Typography::secondary())
-                        ]));
-                        for (i, drive) in parity_drives.iter().enumerate() {
-                            render_pool_drive(drive, i == parity_drives.len() - 1, &mut lines);
+                    let drive_text = if !drive_details.is_empty() {
+                        format!("Data_{}: {} {}", i + 1, drive.name, drive_details.join(" "))
+                    } else {
+                        format!("Data_{}: {}", i + 1, drive.name)
+                    };
+
+                    // Last data drive uses └─ if there's no parity, otherwise ├─
+                    let tree_symbol = if is_last_data && !has_parity { "  └─ " } else { "  ├─ " };
+                    let mut data_spans = vec![
+                        Span::styled(tree_symbol, Typography::tree()),
+                    ];
+                    data_spans.extend(StatusIcons::create_status_spans(drive.status.clone(), &drive_text));
+                    lines.push(Line::from(data_spans));
+                }
+
+                // Parity drives - last item(s)
+                if !pool.parity_drives.is_empty() {
+                    for (i, drive) in pool.parity_drives.iter().enumerate() {
+                        let is_last = i == pool.parity_drives.len() - 1;
+                        let mut drive_details = Vec::new();
+                        if let Some(temp) = drive.temperature {
+                            drive_details.push(format!("T: {}°C", temp as i32));
                         }
+                        if let Some(wear) = drive.wear_percent {
+                            drive_details.push(format!("W: {}%", wear as i32));
+                        }
+
+                        let drive_text = if !drive_details.is_empty() {
+                            format!("Parity: {} {}", drive.name, drive_details.join(" "))
+                        } else {
+                            format!("Parity: {}", drive.name)
+                        };
+
+                        let tree_symbol = if is_last { "  └─ " } else { "  ├─ " };
+                        let mut parity_spans = vec![
+                            Span::styled(tree_symbol, Typography::tree()),
+                        ];
+                        parity_spans.extend(StatusIcons::create_status_spans(drive.status.clone(), &drive_text));
+                        lines.push(Line::from(parity_spans));
                     }
                 }
             }
@@ -370,30 +505,14 @@ impl SystemWidget {
     }
 }
 
-/// Helper function to render a drive in a storage pool
-fn render_pool_drive(drive: &StorageDrive, is_last: bool, lines: &mut Vec<Line<'_>>) {
-    let tree_symbol = if is_last { "    └─" } else { "    ├─" };
-    
-    let mut drive_details = Vec::new();
-    if let Some(temp) = drive.temperature {
-        drive_details.push(format!("T: {}°C", temp as i32));
-    }
-    if let Some(wear) = drive.wear_percent {
-        drive_details.push(format!("W: {}%", wear as i32));
-    }
-    
-    let drive_text = if !drive_details.is_empty() {
-        format!("● {} {}", drive.name, drive_details.join(" "))
+/// Truncate serial number to last 8 characters
+fn truncate_serial(serial: &str) -> String {
+    let len = serial.len();
+    if len > 8 {
+        serial[len - 8..].to_string()
     } else {
-        format!("● {}", drive.name)
-    };
-    
-    let mut drive_spans = vec![
-        Span::styled(tree_symbol, Typography::tree()),
-        Span::raw(" "),
-    ];
-    drive_spans.extend(StatusIcons::create_status_spans(drive.status.clone(), &drive_text));
-    lines.push(Line::from(drive_spans));
+        serial.to_string()
+    }
 }
 
 impl SystemWidget {
@@ -403,6 +522,7 @@ impl SystemWidget {
 
         // First line: serial number with temperature and wear
         if let Some(serial) = &self.backup_disk_serial {
+            let truncated_serial = truncate_serial(serial);
             let mut details = Vec::new();
             if let Some(temp) = self.backup_disk_temperature {
                 details.push(format!("T: {}°C", temp as i32));
@@ -412,9 +532,9 @@ impl SystemWidget {
             }
 
             let disk_text = if !details.is_empty() {
-                format!("{} {}", serial, details.join(" "))
+                format!("{} {}", truncated_serial, details.join(" "))
             } else {
-                serial.clone()
+                truncated_serial
             };
 
             let backup_status = match self.backup_status.as_str() {
@@ -427,27 +547,17 @@ impl SystemWidget {
             let disk_spans = StatusIcons::create_status_spans(backup_status, &disk_text);
             lines.push(Line::from(disk_spans));
 
-            // Last backup time
-            if let Some(last_run) = self.backup_last_run {
-                let time_ago = self.format_time_ago(last_run);
-                let last_text = if let Some(size) = self.backup_last_size_gb {
-                    format!("Last: {} ({:.1}GB)", time_ago, size)
+            // Show backup time from TOML if available
+            if let Some(start_time) = &self.backup_start_time_raw {
+                let time_text = if let Some(size) = self.backup_last_size_gb {
+                    format!("Time: {} ({:.1}GB)", start_time, size)
                 } else {
-                    format!("Last: {}", time_ago)
+                    format!("Time: {}", start_time)
                 };
                 
                 lines.push(Line::from(vec![
                     Span::styled("  ├─ ", Typography::tree()),
-                    Span::styled(last_text, Typography::secondary())
-                ]));
-            }
-
-            // Next backup time
-            if let Some(next_scheduled) = self.backup_next_scheduled {
-                let next_text = format!("Next: {}", self.format_time_until(next_scheduled));
-                lines.push(Line::from(vec![
-                    Span::styled("  ├─ ", Typography::tree()),
-                    Span::styled(next_text, Typography::secondary())
+                    Span::styled(time_text, Typography::secondary())
                 ]));
             }
 
@@ -470,45 +580,124 @@ impl SystemWidget {
         lines
     }
 
-    /// Format time ago from timestamp
-    fn format_time_ago(&self, timestamp: u64) -> String {
-        let now = chrono::Utc::now().timestamp() as u64;
-        let seconds_ago = now.saturating_sub(timestamp);
-        
-        let hours = seconds_ago / 3600;
-        let minutes = (seconds_ago % 3600) / 60;
-        
-        if hours > 0 {
-            format!("{}h ago", hours)
-        } else if minutes > 0 {
-            format!("{}m ago", minutes)
-        } else {
-            "now".to_string()
+    /// Compress IPv4 addresses from same subnet
+    /// Example: "192.168.30.1, 192.168.30.100" -> "192.168.30.1, 100"
+    fn compress_ipv4_addresses(addresses: &[String]) -> String {
+        if addresses.is_empty() {
+            return String::new();
         }
+
+        if addresses.len() == 1 {
+            return addresses[0].clone();
+        }
+
+        let mut result = Vec::new();
+        let mut last_prefix = String::new();
+
+        for addr in addresses {
+            let parts: Vec<&str> = addr.split('.').collect();
+            if parts.len() == 4 {
+                let prefix = format!("{}.{}.{}", parts[0], parts[1], parts[2]);
+
+                if prefix == last_prefix {
+                    // Same subnet, show only last octet
+                    result.push(parts[3].to_string());
+                } else {
+                    // Different subnet, show full IP
+                    result.push(addr.clone());
+                    last_prefix = prefix;
+                }
+            } else {
+                // Invalid IP format, show as-is
+                result.push(addr.clone());
+            }
+        }
+
+        result.join(", ")
     }
 
-    /// Format time until from future timestamp  
-    fn format_time_until(&self, timestamp: u64) -> String {
-        let now = chrono::Utc::now().timestamp() as u64;
-        if timestamp <= now {
-            return "overdue".to_string();
+    /// Render network section for display with physical/virtual grouping
+    fn render_network(&self) -> Vec<Line<'_>> {
+        let mut lines = Vec::new();
+
+        if self.network_interfaces.is_empty() {
+            return lines;
         }
-        
-        let seconds_until = timestamp - now;
-        let hours = seconds_until / 3600;
-        let minutes = (seconds_until % 3600) / 60;
-        
-        if hours > 0 {
-            format!("in {}h", hours)
-        } else if minutes > 0 {
-            format!("in {}m", minutes)
-        } else {
-            "soon".to_string()
+
+        // Separate physical and virtual interfaces
+        let physical: Vec<_> = self.network_interfaces.iter().filter(|i| i.is_physical).collect();
+        let virtual_interfaces: Vec<_> = self.network_interfaces.iter().filter(|i| !i.is_physical).collect();
+
+        // Render physical interfaces
+        for (phy_idx, interface) in physical.iter().enumerate() {
+            let is_last_physical = phy_idx == physical.len() - 1 && virtual_interfaces.is_empty();
+
+            // Physical interface header with status icon
+            let mut header_spans = vec![];
+            header_spans.extend(StatusIcons::create_status_spans(
+                interface.link_status.clone(),
+                &format!("{}:", interface.name)
+            ));
+            lines.push(Line::from(header_spans));
+
+            // Show IPs nested under the interface
+            let ip_count = interface.ipv4_addresses.len() + interface.ipv6_addresses.len();
+            let mut ip_index = 0;
+
+            // IPv4 addresses
+            for ipv4 in &interface.ipv4_addresses {
+                ip_index += 1;
+                let is_last_ip = ip_index == ip_count && is_last_physical;
+                let tree_symbol = if is_last_ip { "  └─ " } else { "  ├─ " };
+                lines.push(Line::from(vec![
+                    Span::styled(tree_symbol, Typography::tree()),
+                    Span::styled(format!("ip: {}", ipv4), Typography::secondary()),
+                ]));
+            }
+
+            // IPv6 addresses
+            for ipv6 in &interface.ipv6_addresses {
+                ip_index += 1;
+                let is_last_ip = ip_index == ip_count && is_last_physical;
+                let tree_symbol = if is_last_ip { "  └─ " } else { "  ├─ " };
+                lines.push(Line::from(vec![
+                    Span::styled(tree_symbol, Typography::tree()),
+                    Span::styled(format!("ip: {}", ipv6), Typography::secondary()),
+                ]));
+            }
         }
+
+        // Render standalone virtual interfaces (those without a parent)
+        for (virt_idx, interface) in virtual_interfaces.iter().enumerate() {
+            let is_last = virt_idx == virtual_interfaces.len() - 1;
+            let tree_symbol = if is_last { "  └─ " } else { "  ├─ " };
+
+            // Virtual interface with IPs
+            let ip_text = if !interface.ipv4_addresses.is_empty() {
+                Self::compress_ipv4_addresses(&interface.ipv4_addresses)
+            } else if !interface.ipv6_addresses.is_empty() {
+                interface.ipv6_addresses.join(", ")
+            } else {
+                String::new()
+            };
+
+            let interface_text = if !ip_text.is_empty() {
+                format!("{}: {}", interface.name, ip_text)
+            } else {
+                format!("{}:", interface.name)
+            };
+
+            lines.push(Line::from(vec![
+                Span::styled(tree_symbol, Typography::tree()),
+                Span::styled(interface_text, Typography::secondary()),
+            ]));
+        }
+
+        lines
     }
 
-    /// Render system widget  
-    pub fn render(&mut self, frame: &mut Frame, area: Rect, hostname: &str, config: Option<&crate::config::DashboardConfig>) {
+    /// Render system widget
+    pub fn render(&mut self, frame: &mut Frame, area: Rect, hostname: &str, _config: Option<&crate::config::DashboardConfig>) {
         let mut lines = Vec::new();
 
         // NixOS section
@@ -525,30 +714,19 @@ impl SystemWidget {
         lines.push(Line::from(vec![
             Span::styled(format!("Agent: {}", agent_version_text), Typography::secondary())
         ]));
-        
-        // Display detected connection IP
-        if let Some(config) = config {
-            if let Some(host_details) = config.hosts.get(hostname) {
-                let detected_ip = host_details.get_connection_ip(hostname);
-                lines.push(Line::from(vec![
-                    Span::styled(format!("IP: {}", detected_ip), Typography::secondary())
-                ]));
-            }
-        }
-        
 
         // CPU section
         lines.push(Line::from(vec![
             Span::styled("CPU:", Typography::widget_title())
         ]));
-        
+
         let load_text = self.format_cpu_load();
         let cpu_spans = StatusIcons::create_status_spans(
             self.cpu_status.clone(),
             &format!("Load: {}", load_text)
         );
         lines.push(Line::from(cpu_spans));
-        
+
         let freq_text = self.format_cpu_frequency();
         lines.push(Line::from(vec![
             Span::styled("  └─ ", Typography::tree()),
@@ -559,7 +737,7 @@ impl SystemWidget {
         lines.push(Line::from(vec![
             Span::styled("RAM:", Typography::widget_title())
         ]));
-        
+
         let memory_text = self.format_memory_usage();
         let memory_spans = StatusIcons::create_status_spans(
             self.memory_status.clone(),
@@ -571,16 +749,16 @@ impl SystemWidget {
         for (i, tmpfs) in self.tmpfs_mounts.iter().enumerate() {
             let is_last = i == self.tmpfs_mounts.len() - 1;
             let tree_symbol = if is_last { "  └─ " } else { "  ├─ " };
-            
+
             let usage_text = if tmpfs.total_gb > 0.0 {
-                format!("{:.0}% {:.1}GB/{:.1}GB", 
-                    tmpfs.usage_percent, 
-                    tmpfs.used_gb, 
+                format!("{:.0}% {:.1}GB/{:.1}GB",
+                    tmpfs.usage_percent,
+                    tmpfs.used_gb,
                     tmpfs.total_gb)
             } else {
                 "— —/—".to_string()
             };
-            
+
             let mut tmpfs_spans = vec![
                 Span::styled(tree_symbol, Typography::tree()),
             ];
@@ -591,6 +769,16 @@ impl SystemWidget {
             lines.push(Line::from(tmpfs_spans));
         }
 
+        // Network section
+        if !self.network_interfaces.is_empty() {
+            lines.push(Line::from(vec![
+                Span::styled("Network:", Typography::widget_title())
+            ]));
+
+            let network_lines = self.render_network();
+            lines.extend(network_lines);
+        }
+
         // Storage section
         lines.push(Line::from(vec![
             Span::styled("Storage:", Typography::widget_title())
@@ -602,9 +790,6 @@ impl SystemWidget {
 
         // Backup section (if available)
         if self.backup_status != "unavailable" && self.backup_status != "unknown" {
-            lines.push(Line::from(vec![
-                Span::styled("", Typography::secondary()) // Empty line for spacing
-            ]));
             lines.push(Line::from(vec![
                 Span::styled("Backup:", Typography::widget_title())
             ]));

shared/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "cm-dashboard-shared"
-version = "0.1.149"
+version = "0.1.168"
 edition = "2021"
 
 [dependencies]

shared/src/agent_data.rs

@@ -16,11 +16,29 @@ pub struct AgentData {
 /// System-level monitoring data
 #[derive(Debug, Clone, Serialize, Deserialize)]
 pub struct SystemData {
+    pub network: NetworkData,
     pub cpu: CpuData,
     pub memory: MemoryData,
     pub storage: StorageData,
 }
 
+/// Network interface monitoring data
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct NetworkData {
+    pub interfaces: Vec<NetworkInterfaceData>,
+}
+
+/// Individual network interface data
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct NetworkInterfaceData {
+    pub name: String,
+    pub ipv4_addresses: Vec<String>,
+    pub ipv6_addresses: Vec<String>,
+    pub is_physical: bool,
+    pub link_status: Status,
+    pub parent_interface: Option<String>,
+}
+
 /// CPU monitoring data
 #[derive(Debug, Clone, Serialize, Deserialize)]
 pub struct CpuData {
@@ -66,6 +84,7 @@ pub struct StorageData {
 #[derive(Debug, Clone, Serialize, Deserialize)]
 pub struct DriveData {
     pub name: String,
+    pub serial_number: Option<String>,
     pub health: String,
     pub temperature_celsius: Option<f32>,
     pub wear_percent: Option<f32>,
@@ -96,15 +115,20 @@ pub struct PoolData {
     pub total_gb: f32,
     pub data_drives: Vec<PoolDriveData>,
     pub parity_drives: Vec<PoolDriveData>,
+    pub health_status: Status,
+    pub usage_status: Status,
 }
 
 /// Drive in a storage pool
 #[derive(Debug, Clone, Serialize, Deserialize)]
 pub struct PoolDriveData {
     pub name: String,
+    pub serial_number: Option<String>,
     pub temperature_celsius: Option<f32>,
     pub wear_percent: Option<f32>,
     pub health: String,
+    pub health_status: Status,
+    pub temperature_status: Status,
 }
 
 /// Service monitoring data
@@ -138,12 +162,11 @@ pub struct SubServiceMetric {
 #[derive(Debug, Clone, Serialize, Deserialize)]
 pub struct BackupData {
     pub status: String,
-    pub last_run: Option<u64>,
-    pub next_scheduled: Option<u64>,
     pub total_size_gb: Option<f32>,
     pub repository_health: Option<String>,
     pub repository_disk: Option<BackupDiskData>,
     pub last_backup_size_gb: Option<f32>,
+    pub start_time_raw: Option<String>,
 }
 
 /// Backup repository disk information
@@ -166,6 +189,9 @@ impl AgentData {
             build_version: None,
             timestamp: chrono::Utc::now().timestamp() as u64,
             system: SystemData {
+                network: NetworkData {
+                    interfaces: Vec::new(),
+                },
                 cpu: CpuData {
                     load_1min: 0.0,
                     load_5min: 0.0,
@@ -193,12 +219,11 @@ impl AgentData {
             services: Vec::new(),
             backup: BackupData {
                 status: "unknown".to_string(),
-                last_run: None,
-                next_scheduled: None,
                 total_size_gb: None,
                 repository_health: None,
                 repository_disk: None,
                 last_backup_size_gb: None,
+                start_time_raw: None,
             },
         }
     }