diff --git a/docs/implplan/SPRINT_20260307_008_Router_integrations_messaging_reregistration_stability.md b/docs-archived/implplan/SPRINT_20260307_008_Router_integrations_messaging_reregistration_stability.md
similarity index 100%
rename from docs/implplan/SPRINT_20260307_008_Router_integrations_messaging_reregistration_stability.md
rename to docs-archived/implplan/SPRINT_20260307_008_Router_integrations_messaging_reregistration_stability.md
diff --git a/src/Router/__Libraries/StellaOps.Router.Transport.Messaging/TASKS.md b/src/Router/__Libraries/StellaOps.Router.Transport.Messaging/TASKS.md
index 7b20c8179..e7457b350 100644
--- a/src/Router/__Libraries/StellaOps.Router.Transport.Messaging/TASKS.md
+++ b/src/Router/__Libraries/StellaOps.Router.Transport.Messaging/TASKS.md
@@ -4,7 +4,7 @@ Source of truth: `docs/implplan/SPRINT_20260130_002_Tools_csproj_remediation_sol
 
 | Task ID | Status | Notes |
 | --- | --- | --- |
-| RTR-MSG-002 | DONE | `docs/implplan/SPRINT_20260307_008_Router_integrations_messaging_reregistration_stability.md` - periodic HELLO re-registration now reuses the existing messaging connection/receive loop instead of minting duplicate logical connections. |
+| RTR-MSG-002 | DONE | `docs-archived/implplan/SPRINT_20260307_008_Router_integrations_messaging_reregistration_stability.md` - periodic HELLO re-registration now reuses the existing messaging connection/receive loop instead of minting duplicate logical connections. |
 | RVM-06 | DONE | Updated messaging microservice HELLO payload to include schemas/OpenAPI metadata via the new schema-aware `IMicroserviceTransport.ConnectAsync(...)` overload. |
 | REMED-05 | TODO | Remediation checklist: docs/implplan/audits/csproj-standards/remediation/checklists/src/Router/__Libraries/StellaOps.Router.Transport.Messaging/StellaOps.Router.Transport.Messaging.md. |
 | REMED-06 | DONE | SOLID review notes captured for SPRINT_20260130_002. |
diff --git a/src/Router/__Tests/StellaOps.Router.Common.Tests/TASKS.md b/src/Router/__Tests/StellaOps.Router.Common.Tests/TASKS.md
index 9c847724b..0e48cafcb 100644
--- a/src/Router/__Tests/StellaOps.Router.Common.Tests/TASKS.md
+++ b/src/Router/__Tests/StellaOps.Router.Common.Tests/TASKS.md
@@ -4,7 +4,7 @@ Source of truth: `docs/implplan/SPRINT_20260130_002_Tools_csproj_remediation_sol
 
 | Task ID | Status | Notes |
 | --- | --- | --- |
-| RTR-MSG-002 | DONE | `docs/implplan/SPRINT_20260307_008_Router_integrations_messaging_reregistration_stability.md` - deterministic transport regressions now cover HELLO re-registration reuse via the xUnit v3 runner. |
+| RTR-MSG-002 | DONE | `docs-archived/implplan/SPRINT_20260307_008_Router_integrations_messaging_reregistration_stability.md` - deterministic transport regressions now cover HELLO re-registration reuse via the xUnit v3 runner. |
 | RVM-06 | DONE | Added messaging HELLO payload coverage to verify schema/openapi metadata propagation from microservice transport client. |
 | REMED-05 | TODO | Remediation checklist: docs/implplan/audits/csproj-standards/remediation/checklists/src/Router/__Tests/StellaOps.Router.Common.Tests/StellaOps.Router.Common.Tests.md. |
 | REMED-06 | DONE | SOLID review notes captured for SPRINT_20260130_002. |
diff --git a/src/Router/__Tests/StellaOps.Router.Gateway.Tests/TASKS.md b/src/Router/__Tests/StellaOps.Router.Gateway.Tests/TASKS.md
index 3aaa96e1c..d02a54604 100644
--- a/src/Router/__Tests/StellaOps.Router.Gateway.Tests/TASKS.md
+++ b/src/Router/__Tests/StellaOps.Router.Gateway.Tests/TASKS.md
@@ -4,6 +4,6 @@ Source of truth: `docs/implplan/SPRINT_20260130_002_Tools_csproj_remediation_sol
 
 | Task ID | Status | Notes |
 | --- | --- | --- |
-| RTR-MSG-002 | DONE | `docs/implplan/SPRINT_20260307_008_Router_integrations_messaging_reregistration_stability.md` - routing-state regressions now cover stale same-instance registration replacement and endpoint index rebuilds. |
+| RTR-MSG-002 | DONE | `docs-archived/implplan/SPRINT_20260307_008_Router_integrations_messaging_reregistration_stability.md` - routing-state regressions now cover stale same-instance registration replacement and endpoint index rebuilds. |
 | REMED-05 | TODO | Remediation checklist: docs/implplan/audits/csproj-standards/remediation/checklists/src/Router/__Tests/StellaOps.Router.Gateway.Tests/StellaOps.Router.Gateway.Tests.md. |
 | REMED-06 | DONE | SOLID review notes captured for SPRINT_20260130_002. |