fix: shorten session PVC label values

src/mgr/session-pvc.ts

@@ -1,4 +1,5 @@
 import { spawn } from "node:child_process";
+import { createHash } from "node:crypto";
 import type { AgentRunStore } from "./store.js";
 import type { JsonRecord } from "../common/types.js";
 import { AgentRunError } from "../common/errors.js";
@@ -37,6 +38,7 @@ const defaultStorageClassName = "local-path";
 const defaultPvcSize = "1Gi";
 const defaultSubdir = "sessions";
 const defaultNamespace = "agentrun-v01";
+const maxKubernetesLabelValueLength = 63;
 
 export function sessionPvcNameFor(sessionId: string): string {
   const sanitized = sanitizeSessionIdForPvc(sessionId);
@@ -47,6 +49,15 @@ export function sanitizeSessionIdForPvc(sessionId: string): string {
   return sessionId.toLowerCase().replace(/[^a-z0-9-]+/gu, "-").replace(/^-+|-+$/gu, "");
 }
 
+export function sessionPvcLabelValueFor(sessionId: string): string {
+  const sanitized = sanitizeSessionIdForPvc(sessionId) || "default";
+  if (sanitized.length <= maxKubernetesLabelValueLength) return sanitized;
+  const hash = createHash("sha256").update(sessionId).digest("hex").slice(0, 12);
+  const prefixLength = maxKubernetesLabelValueLength - hash.length - 1;
+  const prefix = sanitized.slice(0, prefixLength).replace(/-+$/gu, "") || "session";
+  return `${prefix}-${hash}`;
+}
+
 function runtimeNamespace(): string {
   const value = process.env.AGENTRUN_RUNTIME_NAMESPACE?.trim();
   return value && value.length > 0 ? value : defaultNamespace;
@@ -96,7 +107,12 @@ export async function createSessionPvc(input: { store: AgentRunStore; sessionId:
   const manifest: JsonRecord = {
     apiVersion: "v1",
     kind: "PersistentVolumeClaim",
-    metadata: { name: spec.pvcName, namespace: spec.namespace, labels: { "agentrun.pikastech.local/session-id": input.sessionId, "agentrun.pikastech.local/lane": runtimeLane() } },
+    metadata: {
+      name: spec.pvcName,
+      namespace: spec.namespace,
+      labels: { "agentrun.pikastech.local/session-id": sessionPvcLabelValueFor(input.sessionId), "agentrun.pikastech.local/lane": runtimeLane() },
+      annotations: { "agentrun.pikastech.local/session-id": input.sessionId },
+    },
     spec: { accessModes: ["ReadWriteOnce"], storageClassName: spec.storageClassName, resources: { requests: { storage: spec.size } } },
   };
   const handler = resolveHandler(input.options);