feat(pi-workflow): add human-readable run labels

extensions/pi-workflow/store.ts

@@ -17,6 +17,7 @@ import type {
   WorkflowReportArtifact,
   WorkflowRun,
 } from "./domain.ts";
+import { deriveRunLabel } from "./run-label.ts";
 
 const SNAPSHOT_VERSION = 1;
 const MAX_JSON_BYTES = 4 * 1024 * 1024;
@@ -340,8 +341,9 @@ export class WorkflowStore {
 
   async saveReport(run: WorkflowRun) {
     const lines = [
-      `# pi-workflow ${run.runId}`,
+      `# pi-workflow ${deriveRunLabel(run)}`,
       "",
+      `- Run ID: ${run.runId}`,
       `- Status: ${run.status}`,
       `- Revision: ${run.revision}`,
       `- Mode: ${run.mode}`,