Fix CI/CD issues: formatting and test compilation errors

- Run cargo fmt --all to fix formatting issues
- Fix ground_station_oisl -> oisl import in topology_test.rs
- Add missing DateTime and Duration imports in topology_test.rs
- Add missing Duration import in scheduler/src/keyhole.rs
- Remove unused HashMap import in scheduler/tests/drf_test.rs

Author: theoddden

oisl/src/mission/validator.rs

@@ -96,12 +96,8 @@ impl PlanValidator {
         let mut terminal_usage: HashMap<crate::TerminalId, usize> = HashMap::new();
 
         for reservation in &plan.link_reservations {
-            *terminal_usage
-                .entry(reservation.terminal_a)
-                .or_insert(0) += 1;
-            *terminal_usage
-                .entry(reservation.terminal_b)
-                .or_insert(0) += 1;
+            *terminal_usage.entry(reservation.terminal_a).or_insert(0) += 1;
+            *terminal_usage.entry(reservation.terminal_b).or_insert(0) += 1;
         }
 
         // Check for over-subscribed terminals

oisl/src/topology/mod.rs

@@ -25,4 +25,3 @@ pub use link_state::{ActiveLink, LinkMetrics, LinkPhase, PhaseTransition};
 pub use control_node_placement::{
     ControlNodePlacementAlgorithm, PlacementError, PlacementEvaluation,
 };
-

oisl/tests/topology_test.rs

@@ -1,9 +1,10 @@
 #[cfg(test)]
 mod tests {
-    use ground_station_oisl::topology::{
+    use chrono::{DateTime, Duration};
+    use oisl::topology::{
         GraphSnapshot, NodeState, NodeType, Position3D, TopologyForecast, Velocity3D,
     };
-    use ground_station_oisl::{NodeId, TimeWindow};
+    use oisl::{NodeId, TimeWindow};
 
     #[test]
     fn test_graph_snapshot_creation() {

scheduler/src/keyhole.rs

@@ -327,6 +327,7 @@ impl KeyholeWarning {
 #[cfg(test)]
 mod tests {
     use super::*;
+    use chrono::Duration;
 
     fn make_profile(elevations: &[f64]) -> Vec<(DateTime<Utc>, f64, f64)> {
         let start = Utc::now();

scheduler/tests/drf_test.rs

@@ -1,7 +1,5 @@
 #[cfg(test)]
 mod tests {
-    use std::collections::HashMap;
-
     use scheduler::{DominantResourceFairness, ResourceShare, ResourceType};
 
     #[test]