docs: capture PD future-state architecture

docs/servers/NOMAD.md

@@ -12,6 +12,11 @@ Offline survival/knowledge server and game server host.
 - **Motherboard:** ASRock H97M Pro4
 - **UPS:** None
 
+## Planned long-term role
+- Keep NOMAD intentionally separate from PD's production stack.
+- Continue to host Project NOMAD, game services, and the backup Technitium resolver.
+- Accept only small bounded helper workloads; do not let it drift into being a second general-purpose production host.
+
 ## Storage
 | Device | Size | Mount | Purpose |
 |--------|------|-------|---------|

docs/servers/PLAUSIBLEDENABILITY.md

@@ -2,6 +2,8 @@
 
 Primary Docker host running all production workloads.
 
+> Planned direction: this host remains bare-metal TrueNAS Scale and becomes the long-term primary production platform after the HL15 Beast rebuild. See `docs/planning/PD_FUTURE_STATE_ARCHITECTURE.md`.
+
 ## Specs
 - **OS:** TrueNAS Scale 25.10.2.1
 - **CPU:** Ryzen 9 3950X
@@ -76,3 +78,12 @@ Current light-tier notes:
 ## Pending
 - Add Pangolin resource + DNS for `ai.paccoco.com`
 - Install fresh editor
+
+## Planned future role
+- Primary NAS after Serenity retirement
+- Primary production Docker/app host
+- Primary shared database host
+- Primary media / automation / identity / monitoring host
+- Primary Technitium source node
+- Future home of qBittorrent + ARR after storage ownership moves local to PD
+- Acceptable host for tightly segmented cybersecurity VMs, but not an unrestricted lab/free-for-all hypervisor

docs/servers/ROCINANTE.md

@@ -2,6 +2,8 @@
 
 Heavy AI inference server.
 
+> Planned direction: Rocinante becomes optional if the upgraded PD build receives the 4090. If PD does not get the 4090, Rocinante remains the heavy-inference specialist.
+
 ## Hardware
 
 | Component | Details |

docs/servers/SERENITY.md

@@ -1,6 +1,6 @@
 # Serenity
 
-NAS, media ingestion, and CPU-based AI inference.
+Current NAS, media-ingestion, and CPU-based AI helper host. Planned to retire after the upgraded PD build absorbs its storage role.
 
 ## Hardware
 
@@ -68,3 +68,9 @@ Serenity hosts the secondary backup Technitium node on `10.5.30.10`.
 
 - No GPU; reranker uses CPU-only TEI image
 - Tailscale active — reachable at `100.94.87.79` from any Tailscale node
+
+## Planned future role
+
+- Transitional only; do not design new long-term dependencies around Serenity.
+- Near-term it continues to host storage locality, reranker, and the backup Technitium node.
+- Once PD directly owns the storage, qBittorrent/ARR locality should move to PD and Serenity should be drained and retired.