Issue reports carry only opened: the tracker holds every status, so no copy can drift

The import of slice 3 (ADR 0275) was checked against every folder: no report changed since the
commit it read, and the tracker holds each report's status, owner, fix, design amendment, replay
and closing day. The keys are removed from all 361 reports, cycle.py refuses them in any report,
and the playbooks, skills and READMEs that still pointed at them name the tracker instead.

04-ISSUES/166-a-requirement-cannot-be-optional/00-report.md

@@ -1,10 +1,5 @@
 ---
-status: open
 opened: 2026-09-30
-located-in:
-  - mesh-controller internal/catalogue (requires is a list of hard requirements)
-fixed-by:
-amended-design:
 ---
 
 # 166 — A requirement cannot be optional