forge: Q93 contract-grading + unified run_verdict in selftest_sweep (44 cells, 0 fatal)

CHECK

@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+# CHECK -- Q93 refactor of tools/selftest_sweep.py (forge: Refactor lane).
+# Exit 0 iff the committed tree passes the Q93 verifier: py_compile, static
+# Q93 markers present (run_verdict, 5-arg judge_malformed, REFUSAL_RC branch,
+# obsolete arm removed, selftest: 44 cells), --selftest 44/44 rc 0, and
+# run_verdict's printed rc matches the code it returns.
+# Repos-rooted so it runs from any working directory.
+
+set -u
+cd "$(dirname "${BASH_SOURCE[0]}")" || exit 1
+REPO_ROOT="$(pwd)"
+cd "$REPO_ROOT" || exit 1
+
+# The verifier script lives in the committed wizard-work/forge/ tree and
+# grades tools/selftest_sweep.py from the filesystem. Exit code IS the verdict.
+python3 "$REPO_ROOT/wizard-work/forge/verify_selftest_sweep_q93_refactor.py"