use GoalSource instead of string for additional context

scheduler-server/src/main/java/gov/nasa/jpl/aerie/scheduler/server/models/GoalType.java

@@ -4,6 +4,6 @@
 import java.nio.file.Path;
 
 public sealed interface GoalType {
-  record EDSL(String source) implements GoalType {}
+  record EDSL(GoalSource source) implements GoalType {}
   record JAR(Path path, String args) implements GoalType {}
 }

scheduler-server/src/main/java/gov/nasa/jpl/aerie/scheduler/server/remotes/postgres/GetSchedulingGoalAction.java

@@ -10,8 +10,6 @@
 import java.sql.Connection;
 import java.sql.PreparedStatement;
 import java.sql.SQLException;
-import java.util.ArrayList;
-import java.util.List;
 import java.util.Optional;
 
 /*package-local*/ final class GetSchedulingGoalAction implements AutoCloseable {
@@ -44,7 +42,7 @@ public Optional<GoalRecord> get(final GoalId goalId) throws SQLException {
     return Optional.of(new GoalRecord(
           goalId,
           name,
-          type.equals("JAR") ? new GoalType.JAR(Path.of(path), "" /* TODO this is a property of the specification, not the goal */) : new GoalType.EDSL(definition),
+          type.equals("JAR") ? new GoalType.JAR(Path.of(path), "" /* TODO this is a property of the specification, not the goal */) : new GoalType.EDSL(new GoalSource(definition)),
           true // TODO this is not a property of the goal, but rather of the specification
       ));
   }

scheduler-server/src/main/java/gov/nasa/jpl/aerie/scheduler/server/remotes/postgres/GetSpecificationGoalsAction.java

@@ -55,7 +55,7 @@ public List<GoalRecord> get(final long specificationId) throws SQLException {
       goals.add(new GoalRecord(
             new GoalId(id, revision, Optional.of(goalInvocationId)),
             name,
-            type.equals("JAR") ? new GoalType.JAR(Path.of(path), args) : new GoalType.EDSL(definition),
+            type.equals("JAR") ? new GoalType.JAR(Path.of(path), args) : new GoalType.EDSL(new GoalSource(definition)),
             simulateAfter
       ));
     }

scheduler-worker/src/main/java/gov/nasa/jpl/aerie/scheduler/worker/services/SynchronousSchedulerAgent.java

@@ -54,6 +54,7 @@
 import gov.nasa.jpl.aerie.scheduler.server.models.ExternalProfiles;
 import gov.nasa.jpl.aerie.scheduler.server.models.GoalId;
 import gov.nasa.jpl.aerie.scheduler.server.models.GoalRecord;
+import gov.nasa.jpl.aerie.scheduler.server.models.GoalSource;
 import gov.nasa.jpl.aerie.scheduler.server.models.GoalType;
 import gov.nasa.jpl.aerie.scheduler.server.models.MerlinPlan;
 import gov.nasa.jpl.aerie.scheduler.server.models.PlanId;
@@ -361,14 +362,14 @@ private Optional<DatasetId> storeSimulationResults(
   private static SchedulingDSLCompilationService.SchedulingDSLCompilationResult<SchedulingDSL.GoalSpecifier> compileGoalDefinition(
       final MerlinDatabaseService.ReaderRole merlinDatabaseService,
       final PlanId planId,
-      final String source,
+      final GoalSource source,
       final SchedulingDSLCompilationService schedulingDSLCompilationService,
       final Collection<ResourceType> additionalResourceTypes)
   {
     return schedulingDSLCompilationService.compileSchedulingGoalDSL(
         merlinDatabaseService,
         planId,
-        source,
+        source.source(),
         additionalResourceTypes
     );
   }