fix: allow paperless direct LLM access, bypass gateway JWT

- Add paperless namespace to llm-serving NetworkPolicy ingress
- Point paperless-ai CUSTOM_BASE_URL to reasoning-predictor directly
- Gateway JWT auth not yet available for service accounts
- paperless-ai-agent has llm:inference role in Authentik

k8s/apps/llm-serving/networkpolicy.yaml

@@ -52,6 +52,20 @@ spec:
           port: 8080
         - protocol: TCP
           port: 9000
+    # Allow from paperless namespace (paperless-ai auto-tagging)
+    # Bypasses gateway until service-account JWT token exchange is implemented.
+    # paperless-ai-agent has llm:inference role in Authentik.
+    - from:
+        - namespaceSelector:
+            matchLabels:
+              kubernetes.io/metadata.name: paperless
+      ports:
+        - protocol: TCP
+          port: 8080
+        - protocol: TCP
+          port: 80
+        - protocol: TCP
+          port: 8000
     # Allow intra-namespace (pod-to-pod within llm-serving)
     - from:
         - podSelector: