docs: record TPSC router import seam

docs/hub-core-extraction-boundary.md

@@ -97,6 +97,9 @@ Current implementation status:
 - 2026-06-07: T08 policy router import completed. State Hub now mounts the
   hub-core policy router factory with local path validation plus read/write
   callbacks, proving non-DB routers can move behind callback seams.
+- 2026-06-07: T08 TPSC router import completed. State Hub now mounts the
+  hub-core TPSC router factory with State Hub's own repo and TPSC models
+  injected, extending the host-model seam to a multi-model router.
 
 ## Extract Now
 
@@ -205,7 +208,6 @@ to import it:
 ## Next Step
 
 Continue T08 by applying host-model injection or callback seams to the next
-lowest-risk generic routers. Repos, domains, TPSC, progress, and capability
-requests each need a small dependency-injection review before replacement. Do
-not rename State Hub to dev-hub until T05-T08 prove the shared package
-boundary.
+lowest-risk generic routers. Repos, domains, progress, and capability requests
+each need a small dependency-injection review before replacement. Do not rename
+State Hub to dev-hub until T05-T08 prove the shared package boundary.

workplans/CUST-WP-0025-fos-hub-bootstrap.md

@@ -294,6 +294,13 @@ callbacks local. Verification: hub-core `pytest` passed with 17 tests; State
 Hub policy/import/MCP/core-router focused tests passed when split to avoid live
 API test-DB contention.
 
+Implementation slice 6 (2026-06-07): added host-model injection to
+`hub_core.routers.tpsc.create_tpsc_router`, then replaced State Hub's local
+`api.routers.tpsc` implementation with the hub-core factory while injecting
+State Hub's own repo and TPSC models. Verification: hub-core `pytest` passed
+with 18 tests; State Hub TPSC/import/MCP focused tests passed with 17 tests and
+core-router tests passed with 54 tests.
+
 ### T09 — Rename MCP server state-hub to dev-hub
 
 ```task