diff --git a/workplans/archived/260702-RAIL-HO-WP-0001-hosteurope-bootstrap.md b/workplans/archived/260702-RAIL-HO-WP-0001-hosteurope-bootstrap.md
index 1b4a7c8..a3e6f6c 100644
--- a/workplans/archived/260702-RAIL-HO-WP-0001-hosteurope-bootstrap.md
+++ b/workplans/archived/260702-RAIL-HO-WP-0001-hosteurope-bootstrap.md
@@ -65,7 +65,7 @@ See also: the tunnel setup note in `CLAUDE.md`.
 ### T01 — Add HostEurope host to inventory
 
 ```task
-id: T01
+id: RAIL-HO-WP-0001-T01
 status: done
 completed: "2026-03-08"
 priority: high
@@ -94,7 +94,7 @@ ansible -i ansible/hosts.ini hosteurope -m ping
 ### T02 — Set up SSH tunnel for State Hub access
 
 ```task
-id: T02
+id: RAIL-HO-WP-0001-T02
 status: done
 completed: "2026-03-09"
 priority: high
@@ -127,7 +127,7 @@ curl http://127.0.0.1:8000/state/health
 ### T03 — Extend base role with security hardening
 
 ```task
-id: T03
+id: RAIL-HO-WP-0001-T03
 status: done
 completed: "2026-03-08"
 priority: high
@@ -157,7 +157,7 @@ the play recap.
 ### T04 — Run bootstrap on the HostEurope host
 
 ```task
-id: T04
+id: RAIL-HO-WP-0001-T04
 status: done
 completed: "2026-03-08"
 priority: high
@@ -181,7 +181,7 @@ ansible-playbook -i ansible/hosts.ini -l hosteurope ansible/playbooks/bootstrap.
 ### T05 — Smoke test and record
 
 ```task
-id: T05
+id: RAIL-HO-WP-0001-T05
 status: done
 completed: "2026-03-08"
 priority: medium
diff --git a/workplans/archived/260702-RAIL-HO-WP-0002-server-spec-and-test-suite.md b/workplans/archived/260702-RAIL-HO-WP-0002-server-spec-and-test-suite.md
index fa7d54a..8b8fdc0 100644
--- a/workplans/archived/260702-RAIL-HO-WP-0002-server-spec-and-test-suite.md
+++ b/workplans/archived/260702-RAIL-HO-WP-0002-server-spec-and-test-suite.md
@@ -86,7 +86,7 @@ ansible/
 ### T01 — Resolve duplicate `converge` target and fix SSH check
 
 ```task
-id: T01
+id: RAIL-HO-WP-0002-T01
 status: done
 completed: "2026-03-09"
 priority: high
@@ -105,7 +105,7 @@ state_hub_task_id: "892f8bb8-beff-463a-b47c-ffd9a672d065"
 ### T02 — Finalise server baseline spec
 
 ```task
-id: T02
+id: RAIL-HO-WP-0002-T02
 status: done
 completed: "2026-03-09"
 priority: high
@@ -127,7 +127,7 @@ and tests must satisfy.
 ### T03 — Implement Goss test suite
 
 ```task
-id: T03
+id: RAIL-HO-WP-0002-T03
 status: done
 completed: "2026-03-09"
 priority: high
@@ -195,7 +195,7 @@ user:
 ### T04 — Ansible role and playbook for Goss
 
 ```task
-id: T04
+id: RAIL-HO-WP-0002-T04
 status: done
 completed: "2026-03-09"
 priority: high
@@ -225,7 +225,7 @@ clean node, non-zero on a deliberately broken one (test with a manual config cha
 ### T05 — Add `make verify` target
 
 ```task
-id: T05
+id: RAIL-HO-WP-0002-T05
 status: done
 completed: "2026-03-09"
 priority: medium
@@ -249,7 +249,7 @@ Also update `make status` to print a summary line ("All assertions passed" /
 ### T06 — Write ADR: railiance-hosts vs railiance-bootstrap boundary
 
 ```task
-id: T06
+id: RAIL-HO-WP-0002-T06
 status: done
 completed: "2026-03-09"
 priority: medium
diff --git a/workplans/archived/260702-RAIL-HO-WP-0003-5repo-stack-restructure.md b/workplans/archived/260702-RAIL-HO-WP-0003-5repo-stack-restructure.md
index 5dec257..cc92cf8 100644
--- a/workplans/archived/260702-RAIL-HO-WP-0003-5repo-stack-restructure.md
+++ b/workplans/archived/260702-RAIL-HO-WP-0003-5repo-stack-restructure.md
@@ -64,7 +64,7 @@ preflight, doctor, seed_node) is correctly placed at S2.
 ### T01 — Write ADR-003: Railiance 5-Repo Stack Architecture
 
 ```task
-id: T01
+id: RAIL-HO-WP-0003-T01
 status: done
 priority: high
 state_hub_task_id: "4ff2c35f-7cf8-46a3-a5e3-366bb0e193c7"
@@ -89,7 +89,7 @@ forward reference.
 ### T02 — Rename railiance-hosts → railiance-infra
 
 ```task
-id: T02
+id: RAIL-HO-WP-0003-T02
 status: done
 priority: high
 state_hub_task_id: "5b29d8f8-ab9b-4d8c-a2a0-87918eac5cc4"
@@ -129,7 +129,7 @@ Gitea repo; state hub slug updated.
 ### T03 — Rename railiance-bootstrap → railiance-cluster
 
 ```task
-id: T03
+id: RAIL-HO-WP-0003-T03
 status: done
 priority: high
 state_hub_task_id: "caf3c22e-3d83-46a3-9bd8-23a5d9021f72"
@@ -155,7 +155,7 @@ Update:
 ### T04 — Relocate misplaced content to correct repos
 
 ```task
-id: T04
+id: RAIL-HO-WP-0003-T04
 status: done
 priority: medium
 state_hub_task_id: "35d3b599-8325-472c-abd0-2c4939f1f8cd"
@@ -188,7 +188,7 @@ in place in railiance-cluster.
 ### T05 — Create and scaffold three new repos
 
 ```task
-id: T05
+id: RAIL-HO-WP-0003-T05
 status: done
 priority: medium
 state_hub_task_id: "ba48bdca-a3e5-4efa-8bd1-55077e92a787"
@@ -214,7 +214,7 @@ workplans/, and a Makefile stub.
 ### T06 — Register all five repos in the state hub
 
 ```task
-id: T06
+id: RAIL-HO-WP-0003-T06
 status: done
 priority: medium
 state_hub_task_id: "a5310b9a-665c-4341-92bf-e51db65c2388"
@@ -250,7 +250,7 @@ or left as stale records until a rename-repo API endpoint exists.
 ### T07 — Resolve pending railiance-apps decision
 
 ```task
-id: T07
+id: RAIL-HO-WP-0003-T07
 status: done
 priority: low
 state_hub_task_id: "2aaebc21-da59-456e-abdf-8cf03fd82e49"