chore: update standalone state hub wiring

docs/activity-core-delegation.md

@@ -24,7 +24,7 @@ events** on NATS JetStream so activity-core can react.
    POST /domain-goals/*/activate           │                      │                       │
    scripts/cleanup_stale_tasks.py          │                      │                       ▼
                                            └──────────────────────┘                 RunActivityWorkflow
-   the-custodian/state-hub                                                          (creates tasks in
+   state-hub                                                          (creates tasks in
                                                                                      issue-core, etc.)
 ```
 
@@ -147,5 +147,5 @@ curl -X POST http://127.0.0.1:8000/repos/<slug>/sync
 
 # Observe the envelope on the subscriber. Sample shape:
 # {"id":"...","type":"org.statehub.workstream.completed","version":"1.0",
-#  "timestamp":"...","publisher":"the-custodian/state-hub","attributes":{...}}
+#  "timestamp":"...","publisher":"state-hub","attributes":{...}}
 ```

docs/cron-migration.md

@@ -39,7 +39,7 @@ run them on a schedule.
 ### A. `state-hub-consistency-sweep`
 
 ```yaml
-# activity-definitions/the-custodian/state-hub-consistency-sweep.yaml
+# activity-definitions/state-hub-consistency-sweep.yaml
 id: the-custodian.state-hub-consistency-sweep
 description: |
   Sweep all registered repos: pull, reconcile workplan files ↔ DB,
@@ -60,7 +60,7 @@ rule:
 instruction:
   kind: shell
   cmd: >-
-    cd /home/worsch/the-custodian/state-hub &&
+    cd /home/worsch/state-hub &&
     .venv/bin/python scripts/consistency_check.py --remote --all --max-seconds 300
   on_failure: log_and_continue    # warn-only sweeps must not page on transient failures
 ```
@@ -75,7 +75,7 @@ Notes:
 ### B. `state-hub-stale-task-cleanup`
 
 ```yaml
-# activity-definitions/the-custodian/state-hub-stale-task-cleanup.yaml
+# activity-definitions/state-hub-stale-task-cleanup.yaml
 id: the-custodian.state-hub-stale-task-cleanup
 description: |
   Daily sweep that cancels tasks still 'todo|in_progress|blocked' inside
@@ -88,7 +88,7 @@ trigger:
 instruction:
   kind: shell
   cmd: >-
-    cd /home/worsch/the-custodian/state-hub &&
+    cd /home/worsch/state-hub &&
     .venv/bin/python scripts/cleanup_stale_tasks.py
 ```
 

docs/nats-event-subjects.md

@@ -59,13 +59,13 @@ Each message body conforms to the `EventEnvelope` schema in
   "type": "org.statehub.repo.registered",
   "version": "1.0",
   "timestamp": "2026-05-17T14:00:00Z",
-  "publisher": "the-custodian/state-hub",
+  "publisher": "state-hub",
   "attributes": { "...": "event-specific" }
 }
 ```
 
 `type` matches the subject. `publisher` is always
-`the-custodian/state-hub` for events emitted from this repo.
+`state-hub` for events emitted from this repo.
 
 ---