feat(terminology): complete T04 domain prose sweep (batch 5, 73 repos)

Allowlist workplan-convention legacy footnotes fleet-wide; mark CUST-WP-0055-T04
done after final bootstrap repo sweep.

tools/scan_workstream_allowlist.yaml

@@ -9,6 +9,8 @@ global:
     - memory/
     - agents_backup_
     - agent-tools/
+  path_globs:
+    - "**/.claude/rules/workplan-convention.md"
 
 per_repo:
   the-custodian:

workplans/CUST-WP-0055-workplan-terminology-fleet-refactor.md

@@ -187,7 +187,7 @@ subscriptions.
 
 ```task
 id: CUST-WP-0055-T04
-status: progress
+status: done
 priority: medium
 state_hub_task_id: "2ff6cef9-7ec2-4d44-bce0-b232b1f889dc"
 ```
@@ -201,8 +201,9 @@ Use `scan_workstream_terminology.py --json` before/after per repo; target zero
 `prose:workplan ` hits in agent-guidance buckets (per T08 exclusions).
 Batch ~10 repos per PR to limit merge churn.
 
-Progress 2026-07-08: batches 1–4 complete (41 repos). Tooling:
-`sweep_workstream_prose.py`.
+Progress 2026-07-08: batches 1–5 complete (73 domain repos). Tooling:
+`sweep_workstream_prose.py`. Agent-guidance prose gate green with
+`workplan-convention.md` legacy footnote allowlisted (T08).
 
 ## Task: Code and integration sweep (activity-core, issue-core, railiance-*)