diff --git a/agent/activity_tracking.py b/agent/activity_tracking.py
index 93a2866eda..72acb63203 100644
--- a/agent/activity_tracking.py
+++ b/agent/activity_tracking.py
@@ -7,6 +7,7 @@ import logging
 import os
 import threading
 import time
+from contextlib import suppress
 from typing import Optional
 
 from agent.session_activity import ActivityProvenance
@@ -64,16 +65,14 @@ class ActivityTrackingMixin:
             # itself at the final mutation edge.
             self._turn_liveness_abort_claim = None
         if os.environ.get("HERMES_KANBAN_TASK"):
-            try:
+            # Never let the bridge break the loop; this guard covers import-time failures.
+            with suppress(Exception):
                 from tools.kanban_tools import (
                     heartbeat_current_worker_from_env, inject_new_comments_from_env
                 )
                 heartbeat_current_worker_from_env()
                 # Fold new operator notes into the running turn (OUT-OF-BAND steer).
                 inject_new_comments_from_env(self)
-            except Exception:
-                # Never let the bridge break the loop; this guard covers import-time failures.
-                pass
         if force_persist:
             reset_session_activity_persist_window(self)
         self._persist_session_activity_if_due()
@@ -128,7 +127,5 @@ class ActivityTrackingMixin:
         clear = getattr(session_db, "clear_session_activity_labels", None)
         if not callable(clear):
             return
-        try:
+        with suppress(Exception):  # never let durable cleanup I/O break turn teardown
             clear(session_id)
-        except Exception:
-            pass  # Never let durable cleanup I/O break turn teardown.
diff --git a/agent/api_request_hooks.py b/agent/api_request_hooks.py
index e57cdc7011..24630dd1c3 100644
--- a/agent/api_request_hooks.py
+++ b/agent/api_request_hooks.py
@@ -6,6 +6,7 @@ Extracted from ``run_agent.py``; every method resolves through ``AIAgent``'s MRO
 import json
 import os
 import time
+from contextlib import suppress
 from types import SimpleNamespace
 from typing import Any, Dict, Optional
 
@@ -99,24 +100,18 @@ class ApiRequestHooksMixin:
             if len(seq) > max_sequence:
                 out.append({"_truncated_items": len(seq) - max_sequence})
             return out
-        try:
+        with suppress(Exception):
             if hasattr(value, "model_dump"):
                 return recurse(_model_dump(value))
-        except Exception:
-            pass
-        try:
+        with suppress(Exception):
             from dataclasses import asdict, is_dataclass
             if is_dataclass(value):
                 return recurse(asdict(value))
-        except Exception:
-            pass
         if isinstance(value, SimpleNamespace):
             return recurse(vars(value))
         if hasattr(value, "__dict__"):
-            try:
+            with suppress(Exception):
                 return recurse({k: v for k, v in vars(value).items() if not str(k).startswith("_")})
-            except Exception:
-                pass
         return str(value)[:max_string]
 
     @classmethod
@@ -171,9 +166,8 @@ class ApiRequestHooksMixin:
         reason: Optional[str] = None,
     ) -> None:
         # Lazy module import (not from-import) so tests can replace lifecycle dispatch at this call site.
-        try:
+        with suppress(Exception):
             from hermes_cli import lifecycle as _lifecycle
-
             if not _lifecycle.has_hook("api_request_error"):
                 return
             ended_at = time.time()
@@ -200,5 +194,3 @@ class ApiRequestHooksMixin:
                 error={"type": error_type, "message": error_message},
                 request=self._api_request_payload_for_hook(api_kwargs),
             )
-        except Exception:
-            pass