Remove all scrolling code and user-stopped tracking logic

- Remove scroll offset fields from HostWidgets struct
- Replace scrolling with simple "X more below" indicators in all widgets
- Remove user-stopped service tracking from agent (now uses SSH control)
- Inactive services now consistently show Status::Inactive with empty circles
- Simplify widget render methods by removing scroll parameters
- Clean up unused imports and legacy scrolling infrastructure
- Fix journalctl command to use -fu for proper log following

agent/src/collectors/systemd.rs

@@ -8,7 +8,6 @@ use tracing::debug;
 
 use super::{Collector, CollectorError};
 use crate::config::SystemdConfig;
-use crate::service_tracker::UserStoppedServiceTracker;
 
 /// Systemd collector for monitoring systemd services
 pub struct SystemdCollector {
@@ -357,34 +356,15 @@ impl SystemdCollector {
     /// 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() {
-            "active" => {
-                // If service is now active and was marked as user-stopped, clear the flag
-                if UserStoppedServiceTracker::is_service_user_stopped(service_name) {
-                    debug!("Service '{}' is now active - clearing user-stopped flag", service_name);
-                    // Note: We can't directly clear here because this is a read-only context
-                    // The agent will need to handle this differently
-                }
-                Status::Ok
-            },
+            "active" => Status::Ok,
             "inactive" | "dead" => {
-                // Check if this service was stopped by user action
-                if UserStoppedServiceTracker::is_service_user_stopped(service_name) {
-                    debug!("Service '{}' is inactive but marked as user-stopped - treating as OK", service_name);
-                    Status::Ok
-                } else {
-                    debug!("Service '{}' is inactive - treating as Inactive status", service_name);
-                    Status::Inactive
-                }
+                debug!("Service '{}' is inactive - treating as Inactive status", service_name);
+                Status::Inactive
             },
             "failed" | "error" => Status::Critical,
             "activating" | "deactivating" | "reloading" | "start" | "stop" | "restart" => {
-                // For user-stopped services that are transitioning, keep them as OK during transition
-                if UserStoppedServiceTracker::is_service_user_stopped(service_name) {
-                    debug!("Service '{}' is transitioning but was user-stopped - treating as OK", service_name);
-                    Status::Ok
-                } else {
-                    Status::Pending
-                }
+                debug!("Service '{}' is transitioning - treating as Pending", service_name);
+                Status::Pending
             },
             _ => Status::Unknown,
         }