iter architect-iron-law.3: JOURNAL entry + close roadmap todo

docs/roadmap.md

@@ -106,22 +106,6 @@ work progresses.
   intra-crate links). All predate the design-md-consolidation
   milestone; treat as a one-off sweep.
   - context: JOURNAL 2026-05-10 ("Audit close: design-md-consolidation").
-- [ ] **\[todo\]** Architect-iron-law standing-grep extension —
-  the architect agent's drift review should run the four sweep
-  invariant greps on every milestone-close so DESIGN.md cannot
-  silently regrow history anchors / REVERTED narratives /
-  workflow detail / stale cross-references. Path-anchored
-  exceptions (`docs/specs/2026-05-09-*`) need an allowlist.
-  Same extension should add the **lockstep-checklist** the
-  Floats fieldtest exposed: for every new typecheck reject arm
-  on a pattern shape, verify the corresponding desugar pass does
-  not eat that shape first; for every new lowering arm in
-  `lower_app`, verify `is_static_callee` recognises it. Both
-  shipped silently-broken in the Floats milestone (B1 and the
-  iter-4.2/4.4 pull-forwards) and the architect missed them.
-  - context: JOURNAL 2026-05-10 ("Milestone close:
-    design-md-consolidation"); 2026-05-10 ("Fieldtest close:
-    Floats milestone") — B1 + architect-checklist follow-up.
 - [ ] **\[todo\]** `design_schema_drift.rs` fidelity widening —
   current test checks anchor *presence* anywhere in DESIGN.md;
   the audit found that `[high]` schema gaps in §"Data model"