app: add sidecar sync commands (export, detect, import, resolve, full export/import)

crates/application/tests/processing/commands/start_job.rs

@@ -0,0 +1,35 @@
+use std::sync::Arc;
+use application::testing::InMemoryJobRepository;
+use application::processing::{StartJobCommand, StartJobHandler};
+use domain::entities::{Job, JobStatus, JobType};
+use domain::errors::DomainError;
+use domain::ports::JobRepository;
+use domain::value_objects::StructuredData;
+
+#[tokio::test]
+async fn starts_queued_job() {
+    let job_repo = Arc::new(InMemoryJobRepository::new());
+    let job = Job::new(JobType::ExtractMetadata, 5, StructuredData::new());
+    let job_id = job.job_id;
+    job_repo.save(&job).await.unwrap();
+
+    let handler = StartJobHandler::new(job_repo.clone());
+    let result = handler.execute(StartJobCommand { job_id }).await.unwrap();
+
+    assert_eq!(result.status, JobStatus::Processing);
+    assert!(result.started_at.is_some());
+}
+
+#[tokio::test]
+async fn rejects_non_queued_job() {
+    let job_repo = Arc::new(InMemoryJobRepository::new());
+    let mut job = Job::new(JobType::ExtractMetadata, 5, StructuredData::new());
+    job.start().unwrap(); // now Processing
+    let job_id = job.job_id;
+    job_repo.save(&job).await.unwrap();
+
+    let handler = StartJobHandler::new(job_repo.clone());
+    let result = handler.execute(StartJobCommand { job_id }).await;
+
+    assert!(matches!(result, Err(DomainError::Conflict(_))));
+}