docs: workplan-first agent guidance prose (CUST-WP-0055 T04)

.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

README.md

@@ -130,7 +130,7 @@ Useful slash commands:
 ```text
 /help                         show shell commands
 /explain                      show last turn context, risk, history, hub, hints
-/hub                          show State Hub workstreams and inbox orientation
+/hub                          show State Hub workplans and inbox orientation
 /hub log "summary"            post a progress note after confirmation
 /inbox                        show unread State Hub messages
 /export-session               write a redacted JSON session summary
@@ -294,6 +294,6 @@ MIT (see LICENSE).
 ## Workplan & coordination
 
 - Workplan: `workplans/CYA-WP-0001-console-native-mvp.md`
-- State Hub workstream: `repo-integration-can-you-assist`
+- State Hub workplan: `repo-integration-can-you-assist`
 - Operator reminder after changes: `cd ~/state-hub && make fix-consistency REPO=can-you-assist`