Merge branch 'bugfix/11'

bugfix(11): operate_rate must not sum a None

TODO

@@ -178,7 +178,7 @@ Content-Type: application/issue
 ID: 11
 Type: bugfix
 Title: operate_rate can sum a None (eval + resident)
-Status: in-progress
+Status: done
 Priority: medium
 Created: 2026-06-17
 Module: sekft

src/tiararodney/sekft/eval.py

@@ -80,7 +80,7 @@ def evaluate(base: str, adapter: str, scenarios_dir: Path, n: int,
     d = len(rows) or 1
     return {
         "n": len(rows),
-        "operate_rate": round(sum(t.steps > 0 and t.meta.get("clean") for t in rows) / d, 3),
+        "operate_rate": round(sum(bool(t.steps > 0 and t.meta.get("clean")) for t in rows) / d, 3),
         "terminate_rate": round(sum(t.terminal in ("exit", "panic") for t in rows) / d, 3),
         "verified_rate": round(sum(t.verified for t in rows) / d, 3),
         "clean_rate": round(sum(t.keep for t in rows) / d, 3),

src/tiararodney/sekft/resident.py

@@ -154,7 +154,7 @@ class Resident:
         d = len(rows) or 1
         m = {
             "n": len(rows),
-            "operate_rate": round(sum(t.steps > 0 and t.meta.get("clean") for t in rows) / d, 3),
+            "operate_rate": round(sum(bool(t.steps > 0 and t.meta.get("clean")) for t in rows) / d, 3),
             "terminate_rate": round(sum(t.terminal in ("exit", "panic") for t in rows) / d, 3),
             "verified_rate": round(sum(t.verified for t in rows) / d, 3),
             "clean_rate": round(sum(t.keep for t in rows) / d, 3),