Log Cache gRPC

Author: simonredfern

.env.example

@@ -43,3 +43,8 @@ PUBLIC_LOGO_WIDTH="100%"
 
 # Links for documentation and for other reasons. No default
 API_EXPLORER_URL=http://localhost:5173
+
+# OBP gRPC endpoint (used for live log-cache streaming). Server-only — the browser talks to SvelteKit's /backend/log-cache/stream SSE proxy, never directly to gRPC.
+OBP_GRPC_HOST=localhost:50051
+OBP_GRPC_AUTH_METADATA_KEY=authorization
+OBP_GRPC_AUTH_METADATA_VALUE_TEMPLATE=Bearer {token}