diff --git a/.claude/rules/architecture.md b/.claude/rules/architecture.md
index 35f2931..2e1e3f9 100644
--- a/.claude/rules/architecture.md
+++ b/.claude/rules/architecture.md
@@ -20,7 +20,7 @@ code.
 ### External integrations
 
 - **Inter-Hub** (`https://hub.coulomb.social`) — hub rows, manifests, widgets, events
-- **State Hub** — workstream/task cache rebuilt from workplan files
+- **State Hub** — workplan/task cache rebuilt from workplan files
 - **OpenBao** — operator and runtime API key custody (`warden access --exec`)
 - **ops-warden** — SSH cert issuance and credential routing only
 
diff --git a/.claude/rules/repo-boundary.md b/.claude/rules/repo-boundary.md
index e9c3a4a..e5e61ed 100644
--- a/.claude/rules/repo-boundary.md
+++ b/.claude/rules/repo-boundary.md
@@ -3,7 +3,7 @@
 This repo owns **ops-hub** only. It does not own:
 
 - Generic Inter-Hub framework, API substrate, auth → `inter-hub/`
-- State Hub workstream/task/decision implementation → `state-hub/`
+- State Hub workplan/task/decision implementation → `state-hub/`
 - SSH CA, credential routing catalog, bootstrap SSH envelope → `ops-warden/`
 - OpenBao mounts, platform secret paths, ESO → `railiance-platform/`
 - Cluster desired state, host principals, force-command wrappers → `railiance-infra/`
diff --git a/.claude/rules/workplan-convention.md b/.claude/rules/workplan-convention.md
index 34eadf2..05faa31 100644
--- a/.claude/rules/workplan-convention.md
+++ b/.claude/rules/workplan-convention.md
@@ -46,7 +46,7 @@ fix-consistency. Do not edit or rename it.
 
 **Workplan** is the fleet term — see
 `the-custodian/canon/standards/workplan-terminology-fleet_v0.1.md`.
-**Workstream** is legacy only: some API routes (`/workstreams/`), params
+**Workplan** is legacy only: some API routes (`/workstreams/`), params
 (`workstream_id`), MCP aliases (`create_workstream`), and the frontmatter field
 above remain until `STATE-WP-0069` retires them via legacy-meter. Treat those
 identifiers as workplan IDs. Prefer `GET /workplans/` and `workplan_id` in new
diff --git a/INTENT.md b/INTENT.md
index 28c2a81..8f0fa2d 100644
--- a/INTENT.md
+++ b/INTENT.md
@@ -14,7 +14,7 @@ incidents, risks, runbooks, readiness gates, and migration waves.
 
 It exists because Railiance and HelixForge operations need a durable
 operational truth surface while the fleet transitions toward railiance01
-production. State Hub continues to own workstreams and decisions; **Core Hub**
+production. State Hub continues to own workplans and decisions; **Core Hub**
 owns the production framework API (`hub.coulomb.social` since 2026-07-03).
 Historical Haskell Inter-Hub lives in `inter-hub-haskell` (retired). `ops-hub`
 owns the operations extension behavior and posts evidence to Core Hub.
diff --git a/SCOPE.md b/SCOPE.md
index 5777e5b..b77a8f1 100644
--- a/SCOPE.md
+++ b/SCOPE.md
@@ -29,7 +29,7 @@ probes, bootstrap clients, UI/extensions, tests, and packaging belong here.
 
 - Generic Core Hub framework behavior, API substrate, authentication, or
   registry semantics.
-- State Hub workstream, task, decision, or progress implementation.
+- State Hub workplan, task, decision, or progress implementation.
 - Railiance infrastructure, cluster, platform, enablement, or app desired state.
 - Manual production DB seeding unless the operator explicitly chooses that
   fallback.