chore(types): tighten E40 review collections

src/k1link/compute/e40_operator_review.py

@@ -8,7 +8,7 @@ from collections.abc import Iterator
 from contextlib import contextmanager
 from dataclasses import dataclass
 from pathlib import Path
-from typing import Final, Literal
+from typing import Final, Literal, cast
 
 from k1link.artifacts import utc_now_iso, write_json_atomic
 
@@ -229,7 +229,9 @@ class E40OperatorReviewStore:
                 substrate=substrate,
                 reviewer_id=reviewer_id,
             )
-            decisions = list(current["decisions"])  # type: ignore[arg-type]
+            decisions = list(
+                cast(list[dict[str, object]], current["decisions"])
+            )
             replay = next(
                 (
                     decision

src/k1link/web/e40_case_review_api.py

@@ -6,7 +6,7 @@ import re
 from collections.abc import Callable
 from functools import lru_cache
 from pathlib import Path
-from typing import Annotated, Any, Final, Literal
+from typing import Annotated, Any, Final, Literal, cast
 
 from fastapi import APIRouter, HTTPException, Query
 from fastapi import Path as ApiPath
@@ -428,7 +428,7 @@ def build_e40_case_review_router(
         limit: int = Query(default=48, ge=1, le=64),
     ) -> dict[str, object]:
         catalog, _ = catalog_and_source(result_id)
-        items = list(catalog["items"])  # type: ignore[arg-type]
+        items = list(cast(list[dict[str, object]], catalog["items"]))
         return {
             **catalog,
             "items": items[:limit],