diff --git a/hosts/lustro/services.yaml b/hosts/lustro/services.yaml
index 519b685..55e5b20 100644
--- a/hosts/lustro/services.yaml
+++ b/hosts/lustro/services.yaml
@@ -13,3 +13,30 @@ services:
       config_path: /opt/homelab/config/node-agent
       data_path: /opt/homelab/state
       logs_path: /opt/homelab/events
+
+  node-exporter:
+    # Keyed node-exporter (hyphen) — that is the container / world-state name
+    # on lustro; a node_exporter entry would drift as missing_service.
+    role: metrics-exporter
+    deployment_model: docker-compose
+    exposure: local-only
+    offline_required: true
+    depends_on:
+      local: []
+      external: []
+
+  piper-tts:
+    # TTS engine for the MagicMirror. No services/piper-tts dir in the repo —
+    # deployed locally on the Pi; verified running 2026-07-30 via world state
+    # (lustro/piper-tts healthy) and its service_healthy event stream
+    # (recon F20.11).
+    role: tts-engine
+    deployment_model: docker-compose
+    exposure: local-only
+    offline_required: true
+    depends_on:
+      local: []
+      external: []
+
+  # watchtower also runs on lustro (world state: lustro/watchtower) — a
+  # container auto-updater, left unmanaged deliberately; not desired state.
diff --git a/hosts/piha/services.yaml b/hosts/piha/services.yaml
index b5851f6..b5abaed 100644
--- a/hosts/piha/services.yaml
+++ b/hosts/piha/services.yaml
@@ -144,3 +144,17 @@ services:
     runtime:
       # .env (KB_DSN, LAN_BIND_IP) lives alongside the compose file; stateless, no data path
       config_path: services/kb-query
+
+  # --- Known unmanaged containers on piha (recon B5/B6, 2026-07-27) ----------
+  # ~28 running containers have no entry above and are deliberately NOT being
+  # added piecemeal — bringing them under desired state is a later stage
+  # (recon open question 5). The set: agent-system ×4 (webui,
+  # runtime-materializer, telegram-bot, redis — these STAY, decision
+  # 2026-07-28), stability-agent, paperless ×3, immich ×4, forgejo ×3,
+  # zigbee2mqtt, audiobookshelf, grafana, wikijs ×2, code-server, portainer,
+  # prometheus, homepage, actual-budget, mqtt-exporter, owntracks ×3,
+  # vaultwarden, pihole-exporter (unlabelled), fail2ban-exporter,
+  # nginxproxymanager — plus the HOST systemd mosquitto (OS package, no repo
+  # definition at all, recon C8). When adding any of these later, match the
+  # entry key to the world-state service key (supervisor does exact
+  # <host>/<name> matching) or it will drift as missing_service.
diff --git a/hosts/saturn/services.yaml b/hosts/saturn/services.yaml
new file mode 100644
index 0000000..e2d293c
--- /dev/null
+++ b/hosts/saturn/services.yaml
@@ -0,0 +1,9 @@
+host: saturn
+
+# Dev workstation and deploy orchestrator (topology roles: control,
+# development). Nothing here is monitored or remediated by the control plane:
+# no node-agent, no stability-agent, no desired services. This file exists so
+# every node in inventory/topology.yaml has an authoritative
+# hosts/<node>/services.yaml (recon F20.4) — the empty list is an explicit
+# decision, not an omission.
+services: {}
diff --git a/hosts/vps/services.yaml b/hosts/vps/services.yaml
index 186465d..ea9f4d5 100644
--- a/hosts/vps/services.yaml
+++ b/hosts/vps/services.yaml
@@ -76,3 +76,96 @@ services:
       config_path: /opt/homelab/config/gokapi
       data_path: /opt/homelab/data/gokapi
       logs_path: /opt/homelab/logs/gokapi
+
+  stability-agent:
+    role: node-watchdog          # read-only docker.sock watchdog, emits filesystem events
+    # Deploys via its own deploy-local.sh, outside the declarative pipeline
+    # (recon B7) — entry added 2026-07 truth cleanup so desired state matches
+    # what actually runs here.
+    deployment_model: docker-compose
+    exposure: local-only
+    offline_required: true
+    depends_on:
+      local: []
+      external: []
+    runtime:
+      data_path: /opt/homelab/state
+      logs_path: /opt/homelab/events
+
+  npm:
+    role: reverse-proxy          # public ingress on the VPS (separate from npm-piha)
+    deployment_model: docker-compose
+    exposure: public
+    offline_required: false
+    depends_on:
+      local: []
+      external: []
+    ports:
+      - name: http
+        container_port: 80
+        protocol: tcp
+      - name: https
+        container_port: 443
+        protocol: tcp
+    runtime:
+      # Data stays at the pre-GitOps bind mounts (CLAUDE.md data migration rule):
+      # /home/dockeruser/docker/npm/{data,letsencrypt}
+      config_path: services/npm
+
+  outline:
+    # Runs on vps but has NO services/outline dir on master (recon F20.2) — the
+    # containers predate GitOps management. Companion containers
+    # outline-postgres-1 / outline-redis-1 are visible in world state but are
+    # not separate desired-state entries.
+    role: knowledge-base
+    deployment_model: docker-compose
+    exposure: public
+    offline_required: false
+    depends_on:
+      local: []
+      external: []
+
+  joplin-server:
+    # Keyed joplin-server (not "joplin") to match the compose service name the
+    # world state tracks — an aggregate "joplin" entry would sit in
+    # missing_service drift forever. No services/joplin dir on master (recon
+    # F20.2). Companion joplin-db is tracked in world state, not desired here.
+    role: notes-sync
+    deployment_model: docker-compose
+    exposure: public
+    offline_required: false
+    depends_on:
+      local: []
+      external: []
+
+  umami:
+    # Web analytics; compose-labelled but no services/umami dir in the repo —
+    # pre-GitOps deployment (recon B5). Companion umami-db not desired here.
+    role: web-analytics
+    deployment_model: docker-compose
+    exposure: public
+    offline_required: false
+    depends_on:
+      local: []
+      external: []
+
+  # humanai-mailer / humanai-landing: hand-run containers with NO compose
+  # labels (recon B5/B7). Documented here as unmanaged so the truth map is
+  # complete. monitor: false keeps the supervisor from generating (dead-end
+  # redeploy) actions for containers the pipeline cannot manage; `unmanaged`
+  # itself is documentation only — no code reads it.
+  humanai-mailer:
+    unmanaged: true
+    monitor: false
+    role: mailer
+  humanai-landing:
+    unmanaged: true
+    monitor: false
+    role: landing-page
+
+  # ai-cluster (openclaw, codex-worker, planner-worker, service-ops-worker,
+  # redis, mosquitto): legacy stack, runs UNMANAGED on vps and is scheduled
+  # for retirement — its codex/* bus has been idle since 2026-06-09.
+  # Deliberately NO entry here: legacy is not pulled into desired state.
+  # See docs/architecture/ai-cluster-LEGACY.md and
+  # docs/architecture/RECON-multiagent-2026-07-27.md (C9).