Fix phaseflow PocketBase URL to use Nomad address

Docker containers in Nomad don't share network namespace by default.
Use NOMAD_ADDR_pocketbase interpolation instead of localhost.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

services/phaseflow.hcl

@@ -73,7 +73,7 @@ job "phaseflow" {
 
       env {
         NODE_ENV             = "production"
-        POCKETBASE_URL       = "http://localhost:8090"
+        POCKETBASE_URL       = "http://${NOMAD_ADDR_pocketbase}"
         APP_URL              = "https://phaseflow.v.paler.net"
         EMAIL_FROM           = "phaseflow@paler.net"
       }