Add type-aware backup job forms

internal/model/validate.go

@@ -74,6 +74,13 @@ func ValidateJob(j Job) error {
 			return errors.New("source requires path or workloadId")
 		}
 	}
+	if j.Type == JobDocker || j.Type == JobVM {
+		for _, source := range j.Sources {
+			if source.WorkloadID == "" {
+				return errors.New("docker and vm jobs require workload selections")
+			}
+		}
+	}
 	if j.Compression != "auto" && j.Compression != "off" && j.Compression != "max" {
 		return errors.New("compression must be auto, off, or max")
 	}

internal/model/validate_test.go

@@ -34,3 +34,14 @@ func TestRepositoryCannotBeSharedByJobs(t *testing.T) {
 		t.Fatal("shared repository accepted")
 	}
 }
+
+func TestDockerJobRequiresWorkloadSources(t *testing.T) {
+	job := Job{SchemaVersion: 1, ID: "docker-job", Name: "Docker", Type: JobDocker, RepositoryID: "repo", Sources: []Source{{Path: "/mnt/user/appdata"}}, Consistency: Consistency{Mode: "live"}, Compression: "auto"}
+	if err := ValidateJob(job); err == nil {
+		t.Fatal("docker path source accepted without workload selection")
+	}
+	job.Sources = []Source{{WorkloadID: "plex"}}
+	if err := ValidateJob(job); err != nil {
+		t.Fatalf("valid docker workload rejected: %v", err)
+	}
+}