hindsight: Phase C manifests (multi-source app wave 8, external pgvector PG, ES from 1Password, chart-native ingress)

- application.yaml: single multi-source Application (openviking pattern),
  wave 8, chart v0.9.1 via path: + $values/values.yaml
- values.yaml: postgresql.enabled=false (external), existingSecret,
  LLM env (astro-orbiter:8001, Qwen3.8-27B-Q4_K_M), native ingress
  cosmic-rewind.local.mk-labs.cloud (api /health /v1 /mcp /ext, cp /)
- externalsecret.yaml: hindsight-credentials from 1Password mk-labs/hindsight
- namespace.yaml, postgres-pvc.yaml (10Gi nfs-emporium),
  deployment-postgres.yaml (ankane/pgvector pinned by digest),
  service-postgres.yaml (hindsight-postgres:5432)

cluster/applications/hindsight/postgres-pvc.yaml

@@ -0,0 +1,24 @@
+---
+# ============================================================================
+# PersistentVolumeClaim - Hindsight external PostgreSQL data
+# Peter Parker, Phase C, t_6d47a360
+#
+# 10Gi on nfs-emporium (homelab NFS-backed storage class, firecrawl precedent).
+# RWO single-writer: matches the single-replica Recreate postgres Deployment.
+# ============================================================================
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: hindsight-postgres-data
+  namespace: hindsight
+  labels:
+    app.kubernetes.io/name: hindsight
+    app.kubernetes.io/component: database
+    app.kubernetes.io/part-of: platform-buildout
+spec:
+  accessModes:
+    - ReadWriteOnce
+  storageClassName: nfs-emporium
+  resources:
+    requests:
+      storage: 10Gi