feat(runs): add step title column, step descriptions, and snippet logging

client/src/pages/run/RunDetailPage.tsx

@@ -115,10 +115,10 @@ export function RunDetailPage() {
   const stepColumns: TableColumn<ScenarioRunStep>[] = [
     { key: 'order', header: t('runs.step_order'), render: (s) => s.order, width: 50 },
     {
-      key: 'type',
+      key: 'title',
-      header: t('runs.step_type'),
+      header: t('runs.step_title'),
-      width: 80,
+      width: 220,
-      render: (s) => <Badge variant="neutral">{s.scenarioStep?.type ?? '–'}</Badge>,
+      render: (s) => s.scenarioStep?.title ?? <span className={styles.muted}>–</span>,
     },
     {
       key: 'status',

server/src/scenario/scenario-scheduler.service.ts

@@ -286,6 +286,8 @@ export class ScenarioSchedulerService {
       );
       const vr = this.parseValidateResult(result);
       if (!vr.success) throw new Error(vr.description ?? "Validation failed");
+      await this.passStepRun(stepRun, vr.description ?? null);
+      return;
     }
 
     await this.passStepRun(stepRun, null);
@@ -334,6 +336,8 @@ export class ScenarioSchedulerService {
       );
       const vr = this.parseValidateResult(result);
       if (!vr.success) throw new Error(vr.description ?? "Validation failed");
+      await this.passStepRun(stepRun, vr.description ?? null, execOutput);
+      return;
     }
 
     await this.passStepRun(stepRun, null, execOutput);
@@ -375,6 +379,8 @@ export class ScenarioSchedulerService {
       );
       const vr = this.parseValidateResult(result);
       if (!vr.success) throw new Error(vr.description ?? "Validation failed");
+      await this.passStepRun(stepRun, vr.description ?? null);
+      return;
     }
 
     await this.passStepRun(stepRun, null);