add: always-exit-zero assertions to governance driver scripts

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: saratomaz

components/gov-cli/composer/governance-python/anytime_chain_progress.py

@@ -61,6 +61,7 @@ def main() -> int:
 
     # relay1 is excluded from faults, so it must keep answering tip queries.
     sdk.always(True, "relay_reachable_under_fault")
+    sdk.always(True, "chain_progress_exits_zero")
     return 0
 
 

components/gov-cli/composer/governance-python/parallel_driver_create_action.py

@@ -64,6 +64,7 @@ def main() -> int:
 
         if g.recent_stall(90):
             sdk.sometimes(True, "gov_op_under_perturbation", {"op": "create"})
+        sdk.always(True, "create_action_exits_zero")
         return 0
     finally:
         g.release_payment_addr(lock_fh)

components/gov-cli/composer/governance-python/parallel_driver_vote.py

@@ -140,6 +140,7 @@ def main() -> int:
         if g.recent_stall(90):
             sdk.sometimes(True, "gov_op_under_perturbation", {"op": "vote", "voter": kind})
 
+        sdk.always(True, "vote_exits_zero")
         print(
             f"vote submitted ({kind} {decision}; action now has {total} votes)",
             file=sys.stderr,