fix: set PD_MONGO_URI explicitly for in-cluster mongo (#143)

Co-authored-by: Junyi Hou <junyi@xtras3.tail08d22c.ts.net>
Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
fix in #138 (staging) and #140 (main).

Author: 3 people

helm-chart/templates/paperdebugger.yaml

@@ -76,6 +76,8 @@ data:
   INFERENCE_BASE_URL: "{{ .Values.inference_base_url }}"
   INFERENCE_API_KEY: "{{ .Values.inference_api_key }}"
   JWT_SIGNING_KEY: "{{ .Values.jwt_signing_key }}"
-  {{ if not .Values.mongo.in_cluster }}
+  {{- if .Values.mongo.in_cluster }}
+  PD_MONGO_URI: "mongodb://mongo.{{ .Values.namespace }}.svc.cluster.local:27017/?replicaSet=in-cluster"
+  {{- else }}
   PD_MONGO_URI: "{{ .Values.mongo.uri }}"
-  {{ end }}
+  {{- end }}