implemented more safeguards and autodiscovery

src/sal/generic_linux.rs

@@ -3,10 +3,9 @@ use std::path::{Path};
 use std::fs;
 use std::time::{Duration, Instant};
 use std::sync::Mutex;
-use tracing::{debug};
 
 use crate::sal::traits::{SensorBus, ActuatorBus, EnvironmentGuard, HardwareWatchdog, PreflightAuditor, AuditStep, AuditError, SafetyStatus, EnvironmentCtx};
-use crate::sal::safety::TdpLimitMicroWatts;
+use crate::sal::safety::{TdpLimitMicroWatts, FanSpeedPercentage};
 use crate::sal::heuristic::discovery::SystemFactSheet;
 use crate::sal::heuristic::schema::HardwareDb;
 
@@ -152,6 +151,10 @@ impl ActuatorBus for GenericLinuxSal {
         } else { Ok(()) }
     }
 
+    fn set_fan_speed(&self, _speed: FanSpeedPercentage) -> Result<()> {
+        Ok(())
+    }
+
     fn set_sustained_power_limit(&self, limit: TdpLimitMicroWatts) -> Result<()> {
         let rapl_path = self.fact_sheet.rapl_paths.first().ok_or_else(|| anyhow!("No PL1 path"))?;
         fs::write(rapl_path.join("constraint_0_power_limit_uw"), limit.as_u64().to_string())?;